From f6f5a102701fd902fce1566420469859c32a98e8 Mon Sep 17 00:00:00 2001
From: Gareth <ge@kageds.com>
Date: Tue, 3 Dec 2024 11:15:43 +0000
Subject: [PATCH 01/11] Day 03

---
 2024/gareth/day03/day03.go      | 49 +++++++++++++++++++++++++++++++++
 2024/gareth/day03/day03_test.go | 17 ++++++++++++
 2024/gareth/day03/input.txt     |  6 ++++
 2024/gareth/main.go             |  8 +++---
 4 files changed, 76 insertions(+), 4 deletions(-)
 create mode 100644 2024/gareth/day03/day03.go
 create mode 100644 2024/gareth/day03/day03_test.go
 create mode 100644 2024/gareth/day03/input.txt

diff --git a/2024/gareth/day03/day03.go b/2024/gareth/day03/day03.go
new file mode 100644
index 0000000..52e36bf
--- /dev/null
+++ b/2024/gareth/day03/day03.go
@@ -0,0 +1,49 @@
+package day03
+
+import (
+	"regexp"
+	"strconv"
+)
+
+func Part1(input string) int {
+	total := 0
+
+	regex := regexp.MustCompile(`mul\((\d+),(\d+)\)`)
+	matches := regex.FindAllStringSubmatch(input, -1)
+
+	for _, match := range matches {
+		if len(match) == 3 {
+			x, _ := strconv.Atoi(match[1])
+			y, _ := strconv.Atoi(match[2])
+			total += x * y
+		}
+	}
+	return total
+}
+
+func Part2(input string) int {
+	total := 0
+	isEnabled := true
+
+	mulRegex := regexp.MustCompile(`mul\((\d+),(\d+)\)`)
+	doRegex := regexp.MustCompile(`do\(\)`)
+	dontRegex := regexp.MustCompile(`don't\(\)`)
+
+	tokenizeRegex := regexp.MustCompile(`(mul\(\d+,\d+\)|do\(\)|don't\(\))`)
+	tokens := tokenizeRegex.FindAllString(input, -1)
+
+	for _, token := range tokens {
+		if doRegex.MatchString(token) {
+			isEnabled = true
+		} else if dontRegex.MatchString(token) {
+			isEnabled = false
+		} else if mulRegex.MatchString(token) && isEnabled {
+			mulMatch := mulRegex.FindStringSubmatch(token)
+			x, _ := strconv.Atoi(mulMatch[1])
+			y, _ := strconv.Atoi(mulMatch[2])
+			total += x * y
+		}
+	}
+
+	return total
+}
diff --git a/2024/gareth/day03/day03_test.go b/2024/gareth/day03/day03_test.go
new file mode 100644
index 0000000..4ae2e98
--- /dev/null
+++ b/2024/gareth/day03/day03_test.go
@@ -0,0 +1,17 @@
+package day03
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))`)
+	assert.Equal(t, 161, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))`)
+	assert.Equal(t, 48, r)
+}
diff --git a/2024/gareth/day03/input.txt b/2024/gareth/day03/input.txt
new file mode 100644
index 0000000..b468808
--- /dev/null
+++ b/2024/gareth/day03/input.txt
@@ -0,0 +1,6 @@
+-:-]what()(+/mul(957,396)?mul(550,844)%+why())-? #}from()mul(488,628)%} ~**mul(770,931)$~mul(791,733)<{mul(985,350)<#why()don't()what()select()$what())]what()who()mul(327,185))<^^mul(542,68)#?who()<from()';^how()mul(619,952)/where(){(!);'@,mul(551,161)select()>when()do()from()mul(51,291)[where()!{]/}'@?mul(233,511)@what()]mul(311,967))&who()how()mul(839,578)^who()]}mul(266,735){mul(176,670)mul(154,710)*select()](':^,mul(531,801)# *why()why()mul(30,325)~,where();select()select()}-/when()mul(512,729)+where();[mul(720,339)[~*when()mul(722,867)!);{+mul(582,286)^:)what()@mul(604,485) (who()why()who()from()[mul(128,295)how()?!%~~<what()mul(156,267)'how(689,161):where()mul(206,221) mul(835,81);] %mul(562,798)^{%where()mul(38,166)#!what()mul(185,550)^! ?,+;}}mul(685,101)select()mul(316,869)>[~}{[&;mul(548,186))(%];mul(841,290)when()where()'?mul(646,803)mul(553,782)how()when()-mul(569,604)@ ++:/%why()]select()mul(257,598)#mul(897,819)how()what()from()how()]when()~/!}mul(856,271)+&why(){}why()>who()mul(373,408)-who()^&%>';,when()mul(54,88)what()!mul(663,711)$#(?;^from()mul(898,810)when()from()%@mul(776,102)why()mul(303,842)!/,%<^;mul(840,791){[@mul(909,714)don't()>who()why()from(545,686)%~mul(483,956)^'why()from()where()$>*:mul(931,649) mul(800,313)):mul(31,69)mul(549,670)$;mul(327,976)@who()^mul(627,907)/[@what(925,706) ;^who()!mul(629,813)when(){$&where(){#mul(504,147)?mul(222,429)#who()*/!select()<what()mul(310,934)])^/$]mul(917,911)-%how()?[;,mul(823,273)*[~select()/select()~%mul(703,815)what()where()?what():'?[who()mul(966,52)how()&-~(%[(^mul(913,694)mul(190,570),&<%'from()where()what(979,309):+mul(662,926)/<!when()'select(),/&*mul(655,410) how()}mul(386,934)where()[mul(159,595)@']from()when()#?@mul(356,559)&)>?$ mul(439,336)?from()*select()*}when()]who()mul(148,356)(who()+mul(271,905)mul(564,172)@?(~mul(628,470)#} mul(301,170)?@,^don't();&:^&how(605,264))(what()'mul(896,108),$mul(413,431):<>where();how()>!}when()do()!}/&:when()>mul(754,737)~:#:* mul(962,620)}mul(26,490)!~,mul(450,234){/]who() <;{mul(938,932)?--#%};}mul(140,314)(-}/,[mul(202,839)^why()-!},mul(459,716),mul(600,932)}when()]who()}who())&mul(752,142$mul(174,573)mul(231,182)from()mul(308,661)what()} mul(178,99)&^*[(mul(858,730)~}from()^mul(17,545)what()~{~*^what(90,714)how(),mul(63,969)-]mul(364,49);mul(130,598<:&why()select(879,794)mul(46,169)>&how()%mul(564,506)/what(255,868)mul(415,375)':@who()mul(525,772)<$mul(277,787)[~mul(314,321)'&@$^%mul(741,325)?(%#;*mul(459,703)why()~what()mul(250,38)what()<-$)when()%(don't()mul(296 ',mul(673,933)?#<@who()from()^?mul(831,912)?/*mul(407,853)mul(119what()why()>mul(816,762) how()<}~from()how()/@:mul(792,799)()@?%:$:mul(289,264)
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+mul[!-,why()(?mul(770,624)~:mul(197,580){{(%mul(678,337)what()mul(951,457)'<#mul(679,253)?do()who();&  who()select()mul(105,231)+{&!when()who()how()!')mul(262,609)):,{'from()/?@}don't()*:mul(471,462):([(@;from()mul(734,965)/&/where()mul(885,324)why(){>/#<:mul(390,818)!mul(684,730)*>>{[!what()what()mul(824,893)mul(801,597/why()!when()how() '>from()%mul(165,825)who(837,795)?? why(187,949)mul(703,551) when()'mul(759,898)select()#$$  where()where()mul(694,292)%(who()%#}mul(884,767)^<mul(900,512)^what(862,782)%*}mul(484,385)]where()where()mul(593@{what()?{{@&who()^*mul(511,975)+%from(193,630)@-~how()/<mul(161,30)mul(462,217)mul(283,656)when()mul(733,613)what()^what()why()/where()what()^!mul(777,858)^select()mul(732,203)how()<mul(574,457)select()where()$who()when()~where()#}mul(525,448)*mul(5,230)mul(347,280)<from()#what()mul(613,165)@who(609,769)@~/,%#;*mul(298,242)what()+~when():($-(mul(118,981)mul(72,529)$^~select(306,809),!/(mul(864,257))what()-?mul(308,631)? //*&,/!don't())>:$mul(945,214) where()how(837,748)(mul(537,489)(%{mul(594,245)who()from()from()%}!)])why()mul(832,704)^~mul(902,18)how()what()who()/#'-#mul(345}who()when()?]&^mul(873,161)^mul(81,518)]$mul(875,700)how()where()(mul(735,369)/-< why()@>mul(703,274)-<mul(949,449)what()+(>from()when()**,)mul(204,896)]+mul(28,596);why()#select()'#]mul(774,171< why() !from()mul(29,711)mul(28,600)}when()!@(^why()~{mul(555,761)%}do()from()-mul(139,179){how()'?mul(294,354)}where()mul(317,957)]select()#;where() where()^@from()mul(461,831)~who(75,120)%who()@-&;,)mul(563,131)mul(607,401)select())from())&,mul(26,412)select(726,797)&)how()@select()mul(416,615)(what()select()!()<<what()who(299,911)mul(628,777){mul(712,971)(*]what()from()<>#;&mul(921,158)>- mul(245,598)select()what()*({mul(468,522)]^select(574,638)]@};do()from(799,930)%who()#:[how()mul(413,674)[how()*mul(327,432)%?@'mul(486,644)}~>-mul(637,16)how(254,818){%where()#where()who():who()mul(431,749)$$where(228,303)<!why(109,819) ]mul(693,21) where(396,89)[mul(60,538){mul(738,595))-&why()how()why()(mul(698,770))*>,%+&mul(593,337)}#:where(){why()[+&!mul(520,180)^mul(723,959)mul(492,739){/?mul(327,463)?-select()-<,mul(102,950)!#do()@when()-when()},select()/mul(274,979/from())who()(~)!^$mul(78,739)why()@{~mul(819~?~+]>@mul(824,208)}mul(338,41)where() &*;;&what()mul(888,646)from(),$:-who(263,596)!!-from()mul(396,204)>{)>{?(%{mul(885,937);!what()&%!<mul(178,507)mul(833,974)^mul(842,332)>from()}mul(207,417)(<;what()mul(187,893)((&&}&why()*)-mul(589,985)^how(310,10)when(),]:mul(989,534)$where()mul(552,604;(!;select(){){where()#mul(152,511)+/$!;+/<+]mul@select()::when()who()how()!what()mul(446,994)from()<}what()select()'why(244,102)+<select()mul(516,369)]&mul(707,483):@}%?what()from()don't()mul(407,712)$:{&:,,,?mul(112,3)-~- what()>)%}who()mul(693,903)?*/}select()mul(282,115)[];why(){mul(925,276)how()&{what()&$when()&-!mul(191,385)*)mul(446,703)[>what()?*}what()^who()*mul(997,718)!>$)@,^*)mul(788,724)from()#&]~/<,)how()mul(181,531)[(why()[mul(409,206)what(604,231) when()why(921,229)]>where()//mul(199,96)when()why()#!/usr/bin/perl~%>~ &:mul(239,884)
+what())[$^+why()mul(118,89)mul(689,203)#,,what()what()mul(633,394)from();~from()!where()*?@mul(568,753)/[+when()?%:mul(828,475)what()don't()-;@ mul(509,544)[when()};<+'(mul(235,757)<+:%select():mul(241,373)$mulselect() (%where()where()]-)mul(306,62)from()what()mul(285,414)!*&&>who()#mul(543,866)/~select()[+don't()/><why()from() ~#mul(983,515)#mul(731,258)mul(894,831){>)where()!when(),'mul(701,189)/';!:]+how(902,507)-^mul(847,104)mul(883,112){'~}&mul(697,190)what()%![!<where()@why(319,27)select()mul(468,827)/mul(914,407@ where(661,684)mul(850,467);don't(){what()##*%mul(175,88)>(why()@^where()who()mul(843,4)%what()&-%mul(945,389)#<)select()mul(690,755):mul(774,780)}mul(940,623)%where() ?where()(}^!mul(34,627)mul(479,281)#}>what(157,964)select(){how()why()<don't()(*>+who(640,716),mul(117,249)mul(395,14)-]( ~(how()-mul(220,860)+^mul(765,74)select(),$who()<mul(685,855)!what()where()why()#{,-;mul(302+^(who()]from()~<?where():mul(383,623)::~(>,@mul(639,551);(mul(26,80)why(480,988)^why():? <[mul(672,116@mul(316,879)}mul(498,582)  @,:{'why(589,887)mul(39;]mul(855,31)^from()?mul(93,510)mulwho(){@-what()<where()~select()mul(225,679) 'mul(305,662)/:,mul(887,727)?:~:&/select()#:<mul(755,830)^#}+@)how()?^mul(14,79)-mul(433,926)what()'mul(458,711)>from();where()from()~:(mul(688,799)~when()>from()-select()who()~<mul(71,560)( who()? +#^who()[mul(70,477)}>#+{ >mul(275,916)#?-mul(359,865)where(441,672)'}what()[from()when()<>who()mul(909,227)$:!'mul(330,478)!?[;(+#what(919,466)&/mul(73,181)[{how()mul(403,182);mul(249,968):!from()?!{#-mul(661,975)!-;}'mul(999,285)select(565,140)+>@,$:from(47,825)~!mul(599,436))<when(603,518)@mul(567,365)?(}}where()<{:who()?mul(755,613) <*who()mul(448,608)$$mul(507,887)mulwhen()]when()^$+@();+mul(846,707)]mul(932,511)who()}}where()#mul(122,316)#>+ [>%!mul(959,617)mul(5,150)where()@;&mul(630,775)<select(686,710)who()/';[*%select()mul(859,837)'mul(451,3)(when()($/+mul(499,794){]mul(194,78)from()'?don't();mul(47,314){who()~/]mul(526,464)why(666,133)#}/;]:mul(223,721)how()><&-:;mul(114,820[don't()when()#how()mul(976,290;+-from()where()]mul(338,47)when()what()where()%]mul*who() #+what()mul(679,324)mul(859,321)%'mul(446,297),#select();<mul(797,938)who()mul(531,845)}*select()@{mul(661,677)/)'*mul(837,800)<who()select()<]}<@mul(844,594))when()where():'mul(75,307)mul(676,67)(]what()<select()?mul(851,92)+&)mul(683,41)?<,/:~'mul(179where()from()~<mul(674,897)/!how(529,298) *[}from(),mul(362,131)}! % $mul(168,955)mul(517,218)[(,mul(740,567)}~[)$@from(),do();]mul%/%]why()mul(777,920)what()what()$;<what()mul(307,462)-+from()what()/$select()select()do()<select()&from()why()why()&mul(522,562))<how()-!+when(413,672)&)mul(621~(?select()<*-why()mul(372,852)}]~mul(668,335)mul(512,514){%mul(873,547)[*(mul(887,814)]>';from()mul(206,301)why()-'mul(87,734)<where()+:mul(844,819){#^^mul(130,409)[('@what() ;mul(916,629)@@who()-?}mul(320,288)what()?mul(184,677)[@#select()+::-select(929,36)/mul(329,568)
+{^mul(75)<:from(){select()select()mul(833,211):[-'mul(702when()who(21,237)+)&!>mul(735,118)] {/what()*@^what()where()mul(685,883)when()what()mul(91,84)}]<select()why(795,767)@why()]}$mul(711,291)select()--+<*who()mul(898,469^how()>-~where(){when(374,912)$do()>~,' how()mul(67,939),)&~@where()(mul(923,997)~,*$when()[from()from()mul(699,705)~/when()+}mul(214,775)'%mul(715,142)-;mul(290,853)from()$why()what()select()-@-mul(682,729)+^$}, !mul(197,39)mul(269,573)@^mul(819,945)/select()-do()%$~'#select() 'mul(64,956)[who()*who()@,)>+}mul(519,356);*/%>why()[[)mul(184,666)what()mul(892,160)+*&where(764,214)--]?(>mul(996,338)>when()what()]))&?mul(865,864))?@[::when()>what()>mul(218,296)&)%:<?mul(903,712),+mul(102,86)' ^,[>[~why()how(416,393)mul(118,100)from()select()#: $mul(7,742)how()&~how()>who()^mul(667,218)?/mul(218,898)!:$from()>mul(746,995)(+select()] when()}mul(971,429), !,&mul(505,165):!-)?-how()from()%mul(921,456)@mul(491,404)#how()-mul(284,834)#?(mul(667,960)]where():how()what(963,920)% what()don't())mul(236,336) why()why()select()where()^mul(33,901)mul(253,866)<#>$]%-mul(216,512),)from()what()what(464,183)where()select()@'}mul(98,640)' :)what()$%~#/mul(283,893)(mul(520,959)#^?{>@*when()when()]mul(80,420)where()mul(751,106)when()when()! how()mul(148,813)@><^[mul(740,246) how()where()!!/mul(242,262) who()who()%,mul(308(#/when()$mul(359,332)from()why()from()~$$^where()@mul(270,445)why()}%mul(623,449)where()how()?& />mul(759,849)-} (mul(84,200),$;who()[!mul(934,76)(@^:where()why()/'mul(650,46)[mul(105,265):)when()+ &'what()^mul(334,290)] $what()/mul(930,226,>^!%don't()mul(243,460){'#/what()+/mul(437,684)mul(501,579)/mul(243,174)mul(988( +<#where(206,306)where()[,from()mul(331,170)(?^~}#mul(940,949)>(,*+mul(925,961)^*from()select()^--^)(mul(994,182)+'+mul(153,816)~<!?[mul(31,276)don't()how():/!*] !^~mul(404,438)from()<]?)})>&mul(260,998)~:],],who()why(348,109)why()<don't()]#?)select()<<where(999,395)mul(342,366);what()select()~&~mul(120,353)when()]mul(198,41)][;(]:select()-[mul(947,937)$$when()-{mul(672,675);/!mul(14,647)>who()when(290,863)why(735,89)!from()@ >#mul(205,831)'$ %'mul(981,644)!<mul(100,956):{#select()#*mul(168,493)who()-%)#;{don't()^]who()~~ *mul(47,958)mul(130,976)how()~how()?what();mul(983who()(why()/)},]*:/mul(374,969)>#,*>mul(910,535))[who()#mul(220,934)how(271,592)-,*$,+mul(11,63)mul(783,580)^&*}~<mul(677,425))select()when()/how()mul(181,298)??why()how()&/mul(670,720)/@!when()where()#mul(403,306)]from()(from()why()*why()don't()^~from()[select()who()select()mul(516,37)what())}-*>(;from(){mul(21,444$what(274,202)<where(),}mul(706,78);select(275,134)]{&}why())@mul(302,87)[@[who()!when())mul(196,98)mul(918,675):,>how()mul(293,78)mul(189,814)#{}why(80,738)}from()mul(456,691)*@{(,[%mul(916,89)how())(]@mul(524,412)];:(mul(374,851)where()[mul(473,999)select()$what()}don't();];(}mul(327,69)%&+;:/what()don't()-%,'()mul(377,536)mul(31,322))@what()^select()mul(719,58)$why()~&what()']}mul(39,890)(+<#who(){how()!<mul(559,894);-&what()from()#$do()mul(256,3)where()^how()when()$:<what() mul(664^-from()}mul(469,922)from()>mul(299,824)(]](+mul(205,11)
+{mul(602,646)!% ^mul(384,953)do()&&:]<<select()#<mul(766,701)&@(what()who()+>mul(228,736){({}don't()-when()@*>-mul(278,494))/&<mul(596,290)select()when()),{ ~mul(563,584)mul(351,221)how():#where()[{%what(128,820)[ mul(754,363)!{)how()&''from()mul(388,712)?;'>?><(select()mul(916,219)select(),:{(<*mul(360,209)why();~}where()-(,mul~when()when()!where()@:;:#/do()select()select()!,how(972,480)~-how()who()mul(726,867):>mul(549,954)](how(802,821)select()how()[+^mul(535#select()}why()[what()]why()*{#mul(72,525)mul(809,41who()!~where(82,230)}mul(961,563)}who()what(417,588)<how()mul(756,106)!)when() [mul(733,591)how()[why(),<+@,mul(889,603)when()when()mul(60,212)mul(955,930)]~&)/!}-}&mul(206,66)where(882,366)~/<{mul(745,261)'<where()<why();select()(how()mul(74,146)where():~who()what()>&*mul}{,+?%^[when(34,108)who()mul(71,111)$+,}#~-<mul(265,932)]$what();^mul(775,136)mul(192,60)how(){)mul(212,476<who()?mul(264,266)[,^&/how(215,234)mul(447,79)!!+;,who()@{mul(897,924)^what()-%((don't()mul(259,393)who()when(956,639)&where()]@{,mul(637,712)%(mul#'select()!~<+<do(),#&<:% -{)mul(914,330)when()-)?@]{where(240,411)*select()mul(191,984),%?-what()+{mul(623,7)+mul(899,145)</why()select()what()<{~mul(849,743)!where() mul(43,318)when()!~$)mul(607,51)!?<mul(123,500)<]how()!what(){(mul(380,536),mul(367,657)~{,why()?-*$mul(589,520)(#mul(568,853)!-how()'^what()}'^mul(924,205),};'/^!!@mul(765,625)*!+where()[@select()-~do()!!,who()+%mul(369,495)()/mul(530,282)mul(148,870)]*where()mul(668,764)%who()how()how()&![who()mul(678,727)>^]@ when(){:@mul(545,335) &how()from()<:mul(958,59)$ (what()mul(886,155)how()&+mul(525,132)<&}who(502,340)select()when()#^mul(339,398)who(),(how())@@how()$$mul(831,852)when()don't()>mul(935,45) select(930,598)!:select()mul(693,62)(mul(681,508)how()^@*;)mul(235,731)who(468,32)#~>don't()#:what()where()when()~<who()-/mul(137,827)!who()!why()mul(806,939)from()mul(492,899)why()^),who()]#from()$ mul(384,731)>~^>@#{mul(2,62)mul(866,617),>% mul(806,586)how():{/mul(669,407)!/mul(457,522)mul(40,474)>)]select()who()}mul(451,794)]#mul(115,471)~mul(331,456)@^who(){#when()mul(672,70)where()who())(#how()what()!mul(438,748)-/mul(605,224)mul(46,34)~?'</'$#how()&mul(278,426) mul(710,864)mul(296,109);mul(481,73)&<,]mul(650,979) mul(575,478)how()$@%#;mul(319,368)][select()where()/ /,:when()mul(399,630)from()mul(9,26)~'do()mul(953,316)%''%{>mul(650,523)?mul(871,731)?%from(966,980)>when()mul(790,779) from()#$:,'mul(428,763)@# why()mul(724,6)select() ,mul(208,11)why()how()mul(287,562)$[:select()},?mul(531,36)/mul(12,351)#$+,:#:$when():mul(941,380)-[from()!)?-select()mul(102,544)when();~{select()~^;-do() ]who()from(),<who()]/>mul(959,599)>why()/,<%-,!mul(517,558)%])$mul(945,968)mul(854,265)?<when()mul(98,913)<&&}]+mul(830,92)where()]why(132,949)why()from()when()'when();{mul(615,131)(,;}^~!mul(973,226)how()^}){}mul(45,238) where()#)'!~ <
\ No newline at end of file
diff --git a/2024/gareth/main.go b/2024/gareth/main.go
index b08d01b..2193377 100644
--- a/2024/gareth/main.go
+++ b/2024/gareth/main.go
@@ -1,13 +1,13 @@
 package main
 
 import (
-	"aoc2024/day02"
+	"aoc2024/day03"
 	"fmt"
 	"os"
 )
 
 func main() {
-	data, _ := os.ReadFile("day02/input.txt")
-	fmt.Printf("part 1: %d\n", day02.Part1(string(data)))
-	fmt.Printf("part 2: %d\n", day02.Part2(string(data)))
+	data, _ := os.ReadFile("day03/input.txt")
+	fmt.Printf("part 1: %d\n", day03.Part1(string(data)))
+	fmt.Printf("part 2: %d\n", day03.Part2(string(data)))
 }

From 235999524b0668f585273a6f4bdde5c935a0fbf4 Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Wed, 4 Dec 2024 09:03:27 +0000
Subject: [PATCH 02/11] day4

---
 2024/go/day04/day04.go         |  59 ++++++++++++++
 2024/go/day04/day04_test.go    |  35 +++++++++
 2024/go/day04/input.txt        | 140 +++++++++++++++++++++++++++++++++
 2024/go/main.go                |   7 +-
 2024/go/utils/inputs/inputs.go |  15 +++-
 5 files changed, 253 insertions(+), 3 deletions(-)
 create mode 100644 2024/go/day04/day04.go
 create mode 100644 2024/go/day04/day04_test.go
 create mode 100644 2024/go/day04/input.txt

diff --git a/2024/go/day04/day04.go b/2024/go/day04/day04.go
new file mode 100644
index 0000000..ecc8ec5
--- /dev/null
+++ b/2024/go/day04/day04.go
@@ -0,0 +1,59 @@
+package day04
+
+import (
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+)
+
+func Part1(input string) int {
+	val := 0
+	grid := inputs.ToGrid2D(input, "\n", "", '.', func(c string) rune { return rune(c[0])})
+	directions := [][]int{{0,1},{0,-1},{1,0},{-1,0},{-1,1},{1,1},{-1,-1},{1,-1}}
+	for j := 0; j < grid.SizeY(); j++ {
+		for i := 0; i < grid.SizeX(); i++ {
+			if  !checkChar(i, j, grid, 'X') { continue }			
+			for _, dir := range directions {
+				x := i + dir[0]
+				y := j + dir[1]
+				if !checkChar(x, y, grid, 'M') { continue }
+				x = x + dir[0]
+				y = y + dir[1]				
+				if !checkChar(x, y, grid, 'A') { continue }
+				x = x + dir[0]
+				y = y + dir[1]				
+				if !checkChar(x, y, grid, 'S') { continue }
+				val++
+			}
+		}
+	}
+	return val
+}
+
+func Part2(input string) int {
+	val := 0
+	grid := inputs.ToGrid2D(input, "\n", "", '.', func(c string) rune { return rune(c[0])})
+	dir1 := [][]int{{-1,1},{1,-1},}
+	dir2 := [][]int{{1,1},{-1,-1}}
+	for j := 0; j < grid.SizeY(); j++ {
+		for i := 0; i < grid.SizeX(); i++ {
+			if !checkChar(i, j, grid, 'A') { continue }
+			if 
+			(checkChar(i + dir1[0][0], j + dir1[0][1], grid, 'M') && checkChar(i + dir1[1][0], j +  dir1[1][1], grid, 'S') ||
+			checkChar(i + dir1[0][0], j +  dir1[0][1], grid, 'S') && checkChar(i + dir1[1][0], j +  dir1[1][1], grid, 'M')) &&
+			(checkChar(i + dir2[0][0], j + dir2[0][1], grid, 'M') && checkChar(i + dir2[1][0], j +  dir2[1][1], grid, 'S') ||
+			checkChar(i + dir2[0][0], j +  dir2[0][1], grid, 'S') && checkChar(i + dir2[1][0], j +  dir2[1][1], grid, 'M') ) {
+				val++ 
+			}
+		}
+	}
+	return val}
+
+func checkChar(x int, y int, grid *grid2d.Grid[rune], c rune) bool {
+	if x < 0 || x >= grid.SizeX() || y < 0 || y >= grid.SizeY() {
+		return false
+	}
+	if grid.Get(x, y) == c {
+		return true
+	}
+	return false
+}
\ No newline at end of file
diff --git a/2024/go/day04/day04_test.go b/2024/go/day04/day04_test.go
new file mode 100644
index 0000000..b9c47e8
--- /dev/null
+++ b/2024/go/day04/day04_test.go
@@ -0,0 +1,35 @@
+package day04
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`MMMSXXMASM
+MSAMXMSMSA
+AMXSXMAAMM
+MSAMASMSMX
+XMASAMXAMM
+XXAMMXXAMA
+SMSMSASXSS
+SAXAMASAAA
+MAMMMXMMMM
+MXMXAXMASX`)
+	require.Equal(t, 18, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`MMMSXXMASM
+MSAMXMSMSA
+AMXSXMAAMM
+MSAMASMSMX
+XMASAMXAMM
+XXAMMXXAMA
+SMSMSASXSS
+SAXAMASAAA
+MAMMMXMMMM
+MXMXAXMASX`)
+	require.Equal(t, 9, r)
+}
diff --git a/2024/go/day04/input.txt b/2024/go/day04/input.txt
new file mode 100644
index 0000000..6eccfd7
--- /dev/null
+++ b/2024/go/day04/input.txt
@@ -0,0 +1,140 @@
+MSAMXXMASXSXMMSASXMASMXMASXSXSSMSSSMMMSSSSMSAMXASAMXXAXMSMMMAXMAMSAMXAMXMXXMXMASMXSAXMXMAMXSXSXXMSSXMSSMMSSMMMMXSXAXMXMAMMASMSXSXSSXMSSMSSMM
+MSASASAAXSMAMMSAMXSXXMAMXSASAAAASMSASAASAAAMMMSXXMMMSMMXAAASMMMMSAMXSAXASMMSSMMXAXXMSSXXMSMMASMXMASXAAXAAAAAAMAASXSAMAXSMSMMASAXAXAAAAAMAAAS
+ASAMASMMMASXMAMAMXXAXSMSAMAMMMMMMAMMMMXXMMMMSASXXMAXAASXSSMSASAMXMSAMXSASAMAASAMXMAAAMXMASAMAMXMMASMMMSMMSSMMMMMSAAASMSMAAMSAMAMXMXMMXSMXXMM
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+SXMAXMMASXMMMXMAAAXAAMAMAXXAAAMSXMMSAXMASMSASMSSMSASMSMMXSAXMSMAAAXAMAMAMAXMAAMAAAAMSMSAMMAMXSAXMAXMAMSXSASMSSSMAMAMAAASMXMXSXAAAMASAAAXXMXM
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diff --git a/2024/go/main.go b/2024/go/main.go
index 3c8c20d..46934c6 100644
--- a/2024/go/main.go
+++ b/2024/go/main.go
@@ -10,6 +10,8 @@ import (
 	"adventofcode2024/day01"
 	"adventofcode2024/day02"
 	"adventofcode2024/day03"
+	"adventofcode2024/day04"
+
 )
 // Usage: go run main.go <NN>
 // assumes input is in day<NN>/input.txt
@@ -27,6 +29,9 @@ func main() {
 	case 3:
 		fmt.Printf("part 1: %d\n", day03.Part1(utils.Readfile(d)))
 		fmt.Printf("part 2: %d\n", day03.Part2(utils.Readfile(d)))
+	case 4:
+		fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
 	default:
 		panic(fmt.Errorf("no such day: %d", d))
 	}
@@ -34,7 +39,7 @@ func main() {
 
 // Reads day from os.Args.
 func day() int {
-	latest := 2
+	latest := 3
 	if len(os.Args) == 1 {
 		return latest
 	}
diff --git a/2024/go/utils/inputs/inputs.go b/2024/go/utils/inputs/inputs.go
index d67a30b..cf7457c 100644
--- a/2024/go/utils/inputs/inputs.go
+++ b/2024/go/utils/inputs/inputs.go
@@ -19,9 +19,20 @@ func ToInts(input string, sep string) []int {
 }
 
 func ToGrid2D[T any](input, rowSep, colSep string, empty T, conv func(string) T) *grid2d.Grid[T] {
-	lines := strings.Split(input, rowSep)
 
-	grid := grid2d.NewGrid(len(lines[0]) - strings.Count(lines[0], colSep), len(lines), empty)
+	var width int
+	
+	lines := strings.Split(input, rowSep)
+	
+	if colSep == "" {
+        // If no colSep, width is the length of each line
+        width = len(lines[0])
+    } else {
+        // Use colSep to determine the width of the grid
+        width = len(strings.Split(lines[0], colSep))
+    }
+
+	grid := grid2d.NewGrid(width, len(lines), empty)
 	for y, line := range lines {
 		for x, v := range strings.Split(line, colSep) {
 			grid.Set(x, y, conv(v))

From 88938a86272fc99213bee03f7341cc65110f1ca2 Mon Sep 17 00:00:00 2001
From: Gareth <ge@kageds.com>
Date: Thu, 5 Dec 2024 13:39:33 +0000
Subject: [PATCH 03/11] Day05

---
 2024/gareth/day05/day05.go      |  134 +++
 2024/gareth/day05/day05_test.go |   71 ++
 2024/gareth/day05/input.txt     | 1377 +++++++++++++++++++++++++++++++
 2024/gareth/main.go             |    8 +-
 4 files changed, 1586 insertions(+), 4 deletions(-)
 create mode 100644 2024/gareth/day05/day05.go
 create mode 100644 2024/gareth/day05/day05_test.go
 create mode 100644 2024/gareth/day05/input.txt

diff --git a/2024/gareth/day05/day05.go b/2024/gareth/day05/day05.go
new file mode 100644
index 0000000..3c3b9eb
--- /dev/null
+++ b/2024/gareth/day05/day05.go
@@ -0,0 +1,134 @@
+package day05
+
+import (
+	"strconv"
+	"strings"
+)
+
+type Rule struct {
+	X, Y int
+}
+
+func ParseInput(input string) ([]Rule, [][]int) {
+	sections := strings.Split(input, "\n\n")
+
+	ruleLines := strings.Split(strings.TrimSpace(sections[0]), "\n")
+	var rules []Rule
+	for _, ruleLine := range ruleLines {
+		parts := strings.Split(ruleLine, "|")
+		x, _ := strconv.Atoi(parts[0])
+		y, _ := strconv.Atoi(parts[1])
+		rules = append(rules, Rule{X: x, Y: y})
+	}
+
+	updateLines := strings.Split(strings.TrimSpace(sections[1]), "\n")
+	var updates [][]int
+	for _, updateLine := range updateLines {
+		parts := strings.Split(updateLine, ",")
+		var update []int
+		for _, part := range parts {
+			page, _ := strconv.Atoi(part)
+			update = append(update, page)
+		}
+		updates = append(updates, update)
+	}
+
+	return rules, updates
+}
+
+func ValidateUpdate(update []int, rules []Rule) bool {
+	indexMap := make(map[int]int)
+	for i, page := range update {
+		indexMap[page] = i
+	}
+
+	for _, rule := range rules {
+		pageX, indexX := indexMap[rule.X]
+		pageY, indexY := indexMap[rule.Y]
+		if indexX && indexY && pageX > pageY {
+			return false
+		}
+	}
+
+	return true
+}
+
+func FindMiddle(update []int) int {
+	n := len(update)
+	return update[n/2]
+}
+
+func SortUpdate(update []int, rules []Rule) []int {
+	depen := make(map[int][]int)
+	for _, rule := range rules {
+		depen[rule.Y] = append(depen[rule.Y], rule.X)
+	}
+
+	visited := make(map[int]bool)
+	var sorted []int
+
+	for _, page := range update {
+		if !visited[page] {
+			sorted = Visit(page, depen, visited, update, sorted)
+		}
+	}
+
+	return sorted
+}
+
+func Visit(page int, depen map[int][]int, visited map[int]bool, update []int, sorted []int) []int {
+	if visited[page] {
+		return sorted
+	}
+	visited[page] = true
+
+	for _, d := range depen[page] {
+		if contains(update, d) {
+			sorted = Visit(d, depen, visited, update, sorted)
+		}
+	}
+
+	sorted = append(sorted, page)
+	return sorted
+}
+
+func contains(slice []int, element int) bool {
+	for _, item := range slice {
+		if item == element {
+			return true
+		}
+	}
+	return false
+}
+
+func Part1(input string) int {
+	rules, updates := ParseInput(input)
+	total := 0
+
+	for _, update := range updates {
+		if ValidateUpdate(update, rules) {
+			total += FindMiddle(update)
+		}
+	}
+
+	return total
+}
+
+func Part2(input string) int {
+	rules, updates := ParseInput(input)
+	var invalidUpdates [][]int
+	total := 0
+
+	for _, update := range updates {
+		if !ValidateUpdate(update, rules) {
+			invalidUpdates = append(invalidUpdates, update)
+		}
+	}
+
+	for _, update := range invalidUpdates {
+		sortedUpdate := SortUpdate(update, rules)
+		total += FindMiddle(sortedUpdate)
+	}
+
+	return total
+}
diff --git a/2024/gareth/day05/day05_test.go b/2024/gareth/day05/day05_test.go
new file mode 100644
index 0000000..374349b
--- /dev/null
+++ b/2024/gareth/day05/day05_test.go
@@ -0,0 +1,71 @@
+package day05
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`47|53
+97|13
+97|61
+97|47
+75|29
+61|13
+75|53
+29|13
+97|29
+53|29
+61|53
+97|53
+61|29
+47|13
+75|47
+97|75
+47|61
+75|61
+47|29
+75|13
+53|13
+
+75,47,61,53,29
+97,61,53,29,13
+75,29,13
+75,97,47,61,53
+61,13,29
+97,13,75,29,47`)
+	assert.Equal(t, 143, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`47|53
+97|13
+97|61
+97|47
+75|29
+61|13
+75|53
+29|13
+97|29
+53|29
+61|53
+97|53
+61|29
+47|13
+75|47
+97|75
+47|61
+75|61
+47|29
+75|13
+53|13
+
+75,47,61,53,29
+97,61,53,29,13
+75,29,13
+75,97,47,61,53
+61,13,29
+97,13,75,29,47`)
+	assert.Equal(t, 123, r)
+}
diff --git a/2024/gareth/day05/input.txt b/2024/gareth/day05/input.txt
new file mode 100644
index 0000000..05006d9
--- /dev/null
+++ b/2024/gareth/day05/input.txt
@@ -0,0 +1,1377 @@
+99|31
+26|21
+26|69
+69|35
+69|75
+69|95
+59|58
+59|73
+59|87
+59|94
+82|72
+82|99
+82|62
+82|91
+82|49
+65|73
+65|86
+65|59
+65|69
+65|37
+65|11
+49|71
+49|69
+49|66
+49|16
+49|31
+49|29
+49|13
+18|37
+18|27
+18|86
+18|57
+18|17
+18|14
+18|91
+18|12
+72|37
+72|66
+72|39
+72|49
+72|21
+72|11
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+72|16
+67|81
+67|12
+67|82
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+67|53
+67|76
+67|72
+67|37
+67|27
+11|81
+11|35
+11|94
+11|97
+11|39
+11|24
+11|15
+11|75
+11|67
+11|82
+11|17
+16|82
+16|95
+16|45
+16|17
+16|67
+16|46
+16|18
+16|85
+16|94
+16|39
+16|91
+16|15
+35|49
+35|57
+35|45
+35|78
+35|36
+35|91
+35|59
+35|12
+35|37
+35|86
+35|72
+35|62
+35|99
+87|71
+87|73
+87|95
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+87|81
+87|94
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+87|67
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+87|24
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+53|13
+53|78
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+53|54
+53|16
+53|93
+53|73
+53|21
+53|11
+53|94
+53|49
+53|59
+53|66
+53|97
+53|39
+46|24
+46|18
+46|36
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+67,45,35,46,15,16,82,71,85,17,18,94,58,54,91
+46,58,95,15,94,24,54,71,29,35,18,45,17,91,27,62,36
+31,65,59,69,26,76,12,77,17,91,86,57,37,85,13
+65,86,35,78,27,85,59,99,76,91,14
+36,57,76,72,53,49,13,31,69,87,66,21,16
+75,93,91,95,46,94,16,24,54,67,35,39,58,85,45,73,18,82,97,29,71,81,17
+26,12,59,13,69,16,46
+24,93,59,94,49,31,66
+94,24,54,93,71,29,67,81,35,18,45,85,17,91,27,62,36,57,65,76,86,14,72
+14,72,37,59,13,78,77,69,11,16,46,58,95
+86,69,66,78,21,49,87,27,76,37,36,72,65,57,26
+72,26,16,73,46,95,15
+97,91,54,17,35,82,62,18,58,94,57,39,95,29,93
+45,62,36,57,37
+54,78,69,75,58,46,21,24,53
+53,62,57,13,17,14,65,49,12,36,86,18,26,59,76,91,77,45,78
+37,53,59,78,77,31,87,16,75,73,15,39,97,94,24
+94,24,54,93,67,17,27,36,14
+73,46,58,97,54,29,35
+91,62,65,72,12,37,69
+58,69,59,16,78,77,12,73,37,97,13,87,39,21,99,11,75
+62,36,65,86,12,99,37,53,31,87,21
+15,97,24,54,93,71,29,81,82,35,18,45,85,17,27,36,57,65,76
+76,86,14,26,12,99,37,59,49,78,77,31,69,66,21,11,16,73,46
+49,13,78,69,66,11,16,46,58,97,94,93,71
+24,54,73,91,58,15,97,29,17,62,95,93,82,67,81,85,46
+73,46,58,95,15,39,24,54,29,67,81,35,18,45,17,27,62
+91,27,36,12,37,49,78,31,66
+95,66,15,75,78,99,58,26,39,77,16,46,11
+67,82,35,45,85,17,62,65,76,86,14,72,37,53,59
+35,18,45,85,17,91,27,36,57,76,86,72,26,12,99,37,53,49,13
+82,35,18,45,85,17,91,27,62,36,57,65,76,86,14,72,12,99,37,53,59,49,13
+53,59,49,13,77,31,87,66,11,16,75,46,58,95,39,97,94,24,54
+27,62,36,57,76,86,14,72,26,12,37,49,13,78,77,31,87,66,21
+72,26,49,13,87,75,73
+16,75,73,39,54,71,29,35,18,45,17
+97,94,71,29,67,35,27,62,14
+57,65,76,86,14,26,12,99,37,53,49,13,77,69,87,16,75
+78,77,31,69,87,66,11,16,75,73,46,58,95,15,94,24,54,93,71,29,67
+57,86,72,26,12,49,77,69,87,66,75
+78,77,31,69,87,66,11,75,73,46,58,15,97,94,24,71,29
+77,87,66,21,75,95,97,24,81
+59,13,78,77,31,69,87,66,75,95,39,97,24,54,93
+77,31,69,87,66,21,11,16,75,73,46,58,95,15,39,94,24,54,93,71,29,67,81
+14,72,26,99,13,78,77,31,87,16,75,46,95
+27,62,36,57,65,76,86,14,72,26,12,99,37,59,49,13,78,77,31,69,87,66,21
+69,87,66,21,11,16,75,73,46,58,39,94,24,93,71,29,67,81,35
+76,37,53,13,31,66,21,11,46
+59,76,62,26,67,27,36
+65,69,37,59,86,26,27,78,13,36,31,21,77,99,62,14,72
+66,37,58,13,78,95,12,69,39,53,46,75,26,31,99,73,16
+81,67,14,18,82,85,91,27,26,72,36,65,24,17,29,57,62,86,93,76,71
+14,72,12,99,37,53,59,49,78,77,31,69,87,66,21,11,75,73,46,58,95
+49,13,78,77,31,69,66,21,11,16,75,73,46,58,95,15,39,97,94,24,54,93,71
+13,78,69,66,73,95,94,24,54,93,71
+14,53,57,86,37,49,17,62,85,26,72,27,91
+39,97,94,24,54,93,71,29,67,81,82,35,18,45,85,17,91,27,62,36,57,65,76
+97,16,71,29,94,35,69,66,46,39,24,67,95
+82,35,18,45,85,17,91,27,62,36,57,65,76,86,14,72,12,99,37,53,59,49,13
+65,14,26,99,53,13,78,77,11,16,73
+82,46,71,94,81,93,67,62,36,54,17,29,91
+29,67,81,82,35,18,45,85,17,91,27,62,36,57,65,76,86,14,72,26,12,37,53
+21,75,73,93,54,94,97,87,66
+11,21,35,46,16,87,67,66,95,18,97,81,82
+81,82,35,18,45,17,91,27,62,36,57,65,76,14,72,12,99,37,53,59,49
+26,37,71,76,35,62,91,57,67,65,86,18,99
+31,16,75,73,58,93,67
+46,75,21,15,66,87,39,73,94,59,99,13,31,58,16,77,49
+85,81,17,76,71,86,57,72,27,62,67,26,36,18,14,91,12
+69,16,54,71,95
+94,82,27,71,85,46,45,15,93,18,54,39,97,91,95,81,29,24,62
+26,37,53,59,49,13,78,87,66,21,16,75,73,58,95,15,39
+66,16,58,95,39,97,54,71,45
+37,53,49,77,31,69,87,66,21,46,58,94,24
+35,75,73,54,15,66,69,67,39
+21,75,73,58,95,15,39,97,94,54,93,71,67,81,35,45,85
+69,87,21,16,93,71,29,67,81,82,35
+18,85,91,62,36,57,86,14,26,12,53,13,77
+18,36,12,77,78,86,59
+13,77,69,75,73,46,95,94,24,54,71
+29,67,18,85,17,91,27,62,65,76,86,26,53
+87,65,11,57,53,21,13,49,12,86,76
+91,57,29,27,12,81,67,93,26,65,36,76,18,17,14,85,62,35,71,54,72
+54,93,81,45,85,17,91,27,62,36,76,14,72,26,12
+66,21,39,93,71,67,35
+59,27,26,14,76,72,37,35,62,65,12,78,13
+94,24,66,93,39,59,16,97,11,15,31
+26,12,53,49,13,78,77,31,66,21,11,95,39
+17,86,14,72,12,49,13,78,77,69,87
+67,35,93,87,15,58,97,16,21,69,81,46,11,29,75,94,71,54,82
+78,77,86,49,13,12,87,72,53,16,69,21,99,36,76,59,14,31,57,65,11
+21,16,75,73,46,58,95,39,97,54,93,71,82,35,18,45,85
+45,57,37,14,59,17,36,78,35,12,13,62,18,91,76,53,86,72,49,26,85
+54,93,85,27,57,76,72,26,12
+95,15,97,94,24,71,29,35,18,91,27
+37,36,86,27,62
+31,69,87,66,21,11,75,73,46,58,95,94,24,71,67,81,82
+45,91,82,17,36,58,71,81,39,18,54,15,27
+59,27,36,87,99,12,49,31,77,72,76,78,53,62,69,17,26,91,57
\ No newline at end of file
diff --git a/2024/gareth/main.go b/2024/gareth/main.go
index 2193377..fc2a0f4 100644
--- a/2024/gareth/main.go
+++ b/2024/gareth/main.go
@@ -1,13 +1,13 @@
 package main
 
 import (
-	"aoc2024/day03"
+	"aoc2024/day05"
 	"fmt"
 	"os"
 )
 
 func main() {
-	data, _ := os.ReadFile("day03/input.txt")
-	fmt.Printf("part 1: %d\n", day03.Part1(string(data)))
-	fmt.Printf("part 2: %d\n", day03.Part2(string(data)))
+	data, _ := os.ReadFile("day05/input.txt")
+	fmt.Printf("part 1: %d\n", day05.Part1(string(data)))
+	fmt.Printf("part 2: %d\n", day05.Part2(string(data)))
 }

From 360ae5edbd82a25d897565f1fcce1879b2a2609d Mon Sep 17 00:00:00 2001
From: Gareth <ge@kageds.com>
Date: Fri, 6 Dec 2024 16:56:58 +0000
Subject: [PATCH 04/11] Day06

---
 2024/gareth/day06/day06.go      | 142 ++++++++++++++++++++++++++++++++
 2024/gareth/day06/day06_test.go |  35 ++++++++
 2024/gareth/day06/input.txt     | 130 +++++++++++++++++++++++++++++
 2024/gareth/main.go             |  12 ++-
 4 files changed, 315 insertions(+), 4 deletions(-)
 create mode 100644 2024/gareth/day06/day06.go
 create mode 100644 2024/gareth/day06/day06_test.go
 create mode 100644 2024/gareth/day06/input.txt

diff --git a/2024/gareth/day06/day06.go b/2024/gareth/day06/day06.go
new file mode 100644
index 0000000..08e95bc
--- /dev/null
+++ b/2024/gareth/day06/day06.go
@@ -0,0 +1,142 @@
+package day06
+
+import (
+	"strings"
+)
+
+type Point struct {
+	x         int
+	y         int
+	direction int
+}
+
+const (
+	Up    = 0
+	Right = 1
+	Down  = 2
+	Left  = 3
+)
+
+var rows, cols int
+
+var moves = []Point{
+	{-1, 0, Up},
+	{0, 1, Up},
+	{1, 0, Up},
+	{0, -1, Up},
+}
+
+func Part1(input string) int {
+	grid, start, direction := ParseInput(input)
+	total := PredictPath(grid, start, direction)
+	return total
+}
+
+func Part2(input string) int {
+	grid, start, direction := ParseInput(input)
+	total := FindLoopingPositions(grid, start, direction)
+	return total
+}
+
+func ParseInput(input string) ([][]rune, Point, int) {
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+	rows = len(lines)
+	cols = len(lines[0])
+	grid := make([][]rune, rows)
+
+	var start Point
+	var direction int
+
+	for i := 0; i < rows; i++ {
+		grid[i] = []rune(lines[i])
+		for j, char := range lines[i] {
+			if char == '^' {
+				start = Point{i, j, Up}
+				direction = Up
+			} else if char == '>' {
+				start = Point{i, j, Right}
+				direction = Right
+			} else if char == 'v' {
+				start = Point{i, j, Down}
+				direction = Down
+			} else if char == '<' {
+				start = Point{i, j, Left}
+				direction = Left
+			}
+		}
+	}
+
+	return grid, start, direction
+}
+
+func PredictPath(grid [][]rune, start Point, direction int) int {
+	visited := make(map[Point]bool)
+	current := start
+
+	visited[current] = true
+
+	// do while
+	for {
+		next := Point{current.x + moves[direction].x, current.y + moves[direction].y, Up}
+
+		if next.x < 0 || next.x >= rows || next.y < 0 || next.y >= cols {
+			break
+		}
+
+		if grid[next.x][next.y] == '#' {
+			direction = (direction + 1) % 4
+		} else {
+			current = next
+			visited[current] = true
+		}
+	}
+
+	return len(visited)
+}
+
+func FindLoopingPositions(grid [][]rune, start Point, direction int) int {
+	possiblePositions := 0
+
+	for i := 0; i < rows; i++ {
+		for j := 0; j < cols; j++ {
+			if grid[i][j] != '.' || (i == start.x && j == start.y) {
+				continue
+			}
+
+			grid[i][j] = '#'
+			if IsLooping(grid, start, direction) {
+				possiblePositions++
+			}
+			grid[i][j] = '.'
+		}
+	}
+
+	return possiblePositions
+}
+
+func IsLooping(grid [][]rune, start Point, direction int) bool {
+	visited := make(map[Point]int)
+	current := start
+
+	step := 0
+	for {
+		step++
+		next := Point{current.x + moves[direction].x, current.y + moves[direction].y, direction}
+
+		if next.x < 0 || next.x >= rows || next.y < 0 || next.y >= cols {
+			return false
+		}
+
+		if grid[next.x][next.y] == '#' {
+			direction = (direction + 1) % 4
+		} else {
+			current = next
+
+			if visitStep, ok := visited[current]; ok && step-visitStep > 4 {
+				return true
+			}
+
+			visited[current] = step
+		}
+	}
+}
diff --git a/2024/gareth/day06/day06_test.go b/2024/gareth/day06/day06_test.go
new file mode 100644
index 0000000..f4a30da
--- /dev/null
+++ b/2024/gareth/day06/day06_test.go
@@ -0,0 +1,35 @@
+package day06
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`....#.....
+.........#
+..........
+..#.......
+.......#..
+..........
+.#..^.....
+........#.
+#.........
+......#...`)
+	assert.Equal(t, 41, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`....#.....
+.........#
+..........
+..#.......
+.......#..
+..........
+.#..^.....
+........#.
+#.........
+......#...`)
+	assert.Equal(t, 6, r)
+}
diff --git a/2024/gareth/day06/input.txt b/2024/gareth/day06/input.txt
new file mode 100644
index 0000000..b2491bc
--- /dev/null
+++ b/2024/gareth/day06/input.txt
@@ -0,0 +1,130 @@
+#.............#.#...........................................................#..........#...........................#..........#...
+............#......................#.......#..#.........#...................##....................................................
+..............#...........#..#.......#.........#.#...........................#................................#......#............
+.....#......................................#......#..#...................#....................#......................#...........
+...#............................#................................#................................................................
+..........#..................#.....#......................................................#.......................................
+..#........#.......#.#...............................................................#......#.................................#...
+.#....#................#................#.....#...................#...............................................#..#............
+.......................................................................................#...#.#....#........##......#........#.#.##
+............................................#.................#.....................#..........................#..................
+....#..........##......................#.................................................................................#........
+......#.............##.........#.......#.........#.......#.............#...#.......#..............................................
+.#............................................................................#..........#....#...................................
+...#..#....#..............................#...........................................................................#...........
+.............#....................................................................................................................
+................................#..................##...................................#...............................#......#..
+..........#.........#.................#..........###...........................................#............#...#.................
+.............#....................................#.......#.#.#............#............................................#.........
+......#.#..............................................................................................#.........................#
+...#...#.........#.........#..#......#................##.................#........................................................
+.................................#......................#........#................#........................#......................
+.......................##..............#................#................#..............................#.........................
+.......#...#.....#.....##........................#..................##.....#......................................................
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+.........................#...............#....#..............#.......#...............#.#.................#.................#......
+...........................................................#....#..................................#..............................
+..........................#.................................................#............................##....#..................
+.................#...#.........................................................#........................#.....#..#................
+.........................#....#................................................#...#.....................#....#...........#.......
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+.......#.......#...#..#..........#.......................................#.............#......#...................................
+...............#............#..................#.................................................................................#
+.......#...........#.......................##.....#.........#...........#...................#......#.........#.............##....#
+...................#.........................#......#..........................................#..........#.........#......#......
+.....#............#..............#...#......#....................#.............#..................................................
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+........#..#.#...................#.......................................................................#.............#..#.#...#.
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+............................................#..#...............##........#..........#.......................................#....#
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+.#...........#...................................................#...........................................#................#.#.
+............#...............................#........#...........#..........#...........#.#..............#........................
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+.#.......................#.#...........#..................................#.......................................................
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+.................#.......................................................#................................................#.......
+..#...........................##.#.............#..#............................................#.......................#.#........
+..#......#.........................................................................#.......................#......................
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+..........#.................#...........#.......#.........................#...#.......#...........................................
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+...............#.........#..............#.....................................................#...................#...............
+......#.................#............#......#...................#..#.........................#........................#........#..
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+..........#..........#........................#.............##....................................................................
+....#................................................#.......................#................#...............#...................
+.................#....................................................#......#....................................................
+.#........#.......................................................................................................................
+......##..................#....#......#.................#....................#.....................#..#...........#...............
+#...#...#...#..............#........#.......................#.#..........#...............................#......#.................
+#...#...................#.............#........#..........#...............................................................#...#...
+..#................................#...#.........................#...................#......#.....................................
+...#...###..........#............#...............................................................#..........#.....................
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+..#......................#..#...#................................#......#.......#.....#..................#.........#..............
+....##......#.......................................................#..............................................#..............
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+#.....#.....#......................#....................#........................................#...........#...........#......#.
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+..........#..............##...............#..........................................................#......#......#......#....#..
+.............#..............#..#......#........#..#......##.......................#...........#.......#...........................
+......................#.......................................#.......#..#.....................................#.........#...##...
+...........................#...........................#......#....#.............................#.............................#..
+..................#............................#....#........##.........................#..............#.............#............
+.......#....................#.....#........#.......#.#...#...............#.....#.#.........................#.......#.#............
+.....#.........#.......#..........#.................#..#...#..................................................##..................
+................#........................................................#........................................................
+....##......#........#..................#.........................#...................................#...#...................#...
+..............#....................#.......#.......................#.............#......#..............#..........................
+...........................#..............#.....#............#.....................#........#....#.......................#........
+........#..##................#.....#.#..............#..............................#........................#.........#...........
+.........................................................#...........................##..........#........#.##....................
\ No newline at end of file
diff --git a/2024/gareth/main.go b/2024/gareth/main.go
index fc2a0f4..7c66f1b 100644
--- a/2024/gareth/main.go
+++ b/2024/gareth/main.go
@@ -1,13 +1,17 @@
 package main
 
 import (
-	"aoc2024/day05"
+	"aoc2024/day06"
 	"fmt"
 	"os"
+	"time"
 )
 
 func main() {
-	data, _ := os.ReadFile("day05/input.txt")
-	fmt.Printf("part 1: %d\n", day05.Part1(string(data)))
-	fmt.Printf("part 2: %d\n", day05.Part2(string(data)))
+	start := time.Now()
+	data, _ := os.ReadFile("day06/input.txt")
+	fmt.Printf("part 1: %d\n", day06.Part1(string(data)))
+	fmt.Printf("part 2: %d\n", day06.Part2(string(data)))
+	elapsed := time.Since(start)
+	fmt.Printf("Execution time: %s\n", elapsed)
 }

From 616618c7e2ec53023619eb4eb342b0bd7c23fe8a Mon Sep 17 00:00:00 2001
From: Gareth <ge@kageds.com>
Date: Wed, 4 Dec 2024 14:00:00 +0000
Subject: [PATCH 05/11] Day04

---
 2024/gareth/day04/day04.go      |  91 +++++++++++++++++++++
 2024/gareth/day04/day04_test.go |  35 ++++++++
 2024/gareth/day04/input.txt     | 140 ++++++++++++++++++++++++++++++++
 2024/gareth/main.go             |   8 +-
 4 files changed, 270 insertions(+), 4 deletions(-)
 create mode 100644 2024/gareth/day04/day04.go
 create mode 100644 2024/gareth/day04/day04_test.go
 create mode 100644 2024/gareth/day04/input.txt

diff --git a/2024/gareth/day04/day04.go b/2024/gareth/day04/day04.go
new file mode 100644
index 0000000..143a575
--- /dev/null
+++ b/2024/gareth/day04/day04.go
@@ -0,0 +1,91 @@
+package day04
+
+import (
+	"strings"
+)
+
+var directions = [8][2]int{
+	{0, 1},
+	{0, -1},
+	{1, 0},
+	{-1, 0},
+	{1, 1},
+	{1, -1},
+	{-1, 1},
+	{-1, -1},
+}
+
+func Part1(input string) int {
+	grid := parseInput(input)
+	return countXMAS(grid)
+}
+
+func Part2(input string) int {
+	grid := parseInput(input)
+	return countXMASPatterns(grid)
+}
+
+func parseInput(input string) [][]rune {
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+	grid := make([][]rune, len(lines))
+	for i, line := range lines {
+		grid[i] = []rune(line)
+	}
+	return grid
+}
+
+func countXMAS(grid [][]rune) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	target := "XMAS"
+	total := 0
+
+	for r := 0; r < rows; r++ {
+		for c := 0; c < cols; c++ {
+			for _, d := range directions {
+				dr, dc := d[0], d[1]
+				found := true
+
+				for k := 0; k < len(target); k++ {
+					nr := r + k*dr
+					nc := c + k*dc
+					if nr < 0 || nr >= rows || nc < 0 || nc >= cols || grid[nr][nc] != rune(target[k]) {
+						found = false
+						break
+					}
+				}
+
+				if found {
+					total++
+				}
+			}
+		}
+	}
+	return total
+}
+
+func countXMASPatterns(grid [][]rune) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	total := 0
+
+	for r := 1; r < rows-1; r++ {
+		for c := 1; c < cols-1; c++ {
+
+			topLeft := grid[r-1][c-1]
+			topRight := grid[r-1][c+1]
+			center := grid[r][c]
+			bottomLeft := grid[r+1][c-1]
+			bottomRight := grid[r+1][c+1]
+
+			if center == 'A' && ((topLeft == 'S' && topRight == 'S' && bottomLeft == 'M' && bottomRight == 'M') ||
+				(topLeft == 'S' && topRight == 'M' && bottomLeft == 'S' && bottomRight == 'M') ||
+				(topLeft == 'M' && topRight == 'M' && bottomLeft == 'S' && bottomRight == 'S') ||
+				(topLeft == 'M' && topRight == 'S' && bottomLeft == 'M' && bottomRight == 'S')) {
+				total++
+			}
+		}
+	}
+
+	return total
+}
diff --git a/2024/gareth/day04/day04_test.go b/2024/gareth/day04/day04_test.go
new file mode 100644
index 0000000..2ab9462
--- /dev/null
+++ b/2024/gareth/day04/day04_test.go
@@ -0,0 +1,35 @@
+package day04
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`MMMSXXMASM
+MSAMXMSMSA
+AMXSXMAAMM
+MSAMASMSMX
+XMASAMXAMM
+XXAMMXXAMA
+SMSMSASXSS
+SAXAMASAAA
+MAMMMXMMMM
+MXMXAXMASX`)
+	assert.Equal(t, 18, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`MMMSXXMASM
+MSAMXMSMSA
+AMXSXMAAMM
+MSAMASMSMX
+XMASAMXAMM
+XXAMMXXAMA
+SMSMSASXSS
+SAXAMASAAA
+MAMMMXMMMM
+MXMXAXMASX`)
+	assert.Equal(t, 9, r)
+}
diff --git a/2024/gareth/day04/input.txt b/2024/gareth/day04/input.txt
new file mode 100644
index 0000000..42fdeef
--- /dev/null
+++ b/2024/gareth/day04/input.txt
@@ -0,0 +1,140 @@
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\ No newline at end of file
diff --git a/2024/gareth/main.go b/2024/gareth/main.go
index 7c66f1b..99d93ff 100644
--- a/2024/gareth/main.go
+++ b/2024/gareth/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"aoc2024/day06"
+	"aoc2024/day04"
 	"fmt"
 	"os"
 	"time"
@@ -9,9 +9,9 @@ import (
 
 func main() {
 	start := time.Now()
-	data, _ := os.ReadFile("day06/input.txt")
-	fmt.Printf("part 1: %d\n", day06.Part1(string(data)))
-	fmt.Printf("part 2: %d\n", day06.Part2(string(data)))
+	data, _ := os.ReadFile("day04/input.txt")
+	fmt.Printf("part 1: %d\n", day04.Part1(string(data)))
+	fmt.Printf("part 2: %d\n", day04.Part2(string(data)))
 	elapsed := time.Since(start)
 	fmt.Printf("Execution time: %s\n", elapsed)
 }

From 19c4afdc98e33e4cce9e8fb880023b33ee8c7cd1 Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Sun, 8 Dec 2024 20:48:48 +0000
Subject: [PATCH 06/11] days

---
 2024/go/day06/day06.go      | 291 ++++++++++++
 2024/go/day06/day06_test.go |  35 ++
 2024/go/day06/input.txt     | 130 ++++++
 2024/go/day07/day07.go      | 140 ++++++
 2024/go/day07/day07_test.go |  47 ++
 2024/go/day07/input.txt     | 850 ++++++++++++++++++++++++++++++++++++
 2024/go/day08/day08.go      | 168 +++++++
 2024/go/day08/day08_test.go |  39 ++
 2024/go/day08/input.txt     |  50 +++
 2024/go/go.mod              |   2 +-
 2024/go/main.go             |  22 +-
 11 files changed, 1770 insertions(+), 4 deletions(-)
 create mode 100644 2024/go/day06/day06.go
 create mode 100644 2024/go/day06/day06_test.go
 create mode 100644 2024/go/day06/input.txt
 create mode 100644 2024/go/day07/day07.go
 create mode 100644 2024/go/day07/day07_test.go
 create mode 100644 2024/go/day07/input.txt
 create mode 100644 2024/go/day08/day08.go
 create mode 100644 2024/go/day08/day08_test.go
 create mode 100644 2024/go/day08/input.txt

diff --git a/2024/go/day06/day06.go b/2024/go/day06/day06.go
new file mode 100644
index 0000000..d0388f4
--- /dev/null
+++ b/2024/go/day06/day06.go
@@ -0,0 +1,291 @@
+package day06
+
+import (
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+	_ "strings"
+)
+
+type Direction int
+
+const (
+	_ Direction = iota
+	Up
+	Down
+	Left
+	Right
+)
+
+type Pos struct {
+	x int
+	y int
+}
+type Loc struct {
+	dir   Direction
+	pos   Pos
+	count int
+}
+
+type Point struct {
+	dirs    []Direction
+	display string
+}
+
+func (d Direction) String() string {
+	return [...]string{"-", "Up", "Down", "Left", "Right"}[d]
+}
+
+func (l Loc) String() string {
+	return fmt.Sprintf("Direction: %s, Position: %d %d", l.dir, l.pos.x, l.pos.y)
+}
+
+func Part1(input string) int {
+	var loc Loc
+	grid := inputs.ToGrid2D(input, "\n", "", "", func(c string) string { return c })
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y) == "^" {
+				loc = Loc{dir: Up, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y) == "v" {
+				loc = Loc{dir: Down, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y) == ">" {
+				loc = Loc{dir: Right, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y) == "<" {
+				loc = Loc{dir: Left, pos: Pos{x: x, y: y}}
+			}
+		}
+	}
+	fmt.Println(grid.Matrix())
+	fmt.Printf("%v\n", loc)
+	grid.Set(loc.pos.x, loc.pos.y, "X")
+	loc.count = 1
+	move1(&loc, grid)
+	return loc.count
+}
+
+func Part2(input string) int {
+	var loc Loc
+	grid := inputs.ToGrid2D(input, "\n", "", Point{}, func(c string) Point { return Point{dirs: make([]Direction, 1), display: c} })
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y).display == "^" {
+				loc = Loc{dir: Up, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y).display == "v" {
+				loc = Loc{dir: Down, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y).display == ">" {
+				loc = Loc{dir: Right, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y).display == "<" {
+				loc = Loc{dir: Left, pos: Pos{x: x, y: y}}
+			}
+		}
+	}
+	fmt.Println(grid.Matrix())
+	fmt.Printf("%v\n", loc)
+	point := grid.Get(loc.pos.x, loc.pos.y)
+	grid.Set(loc.pos.x, loc.pos.y, Point{dirs: append(point.dirs, Up), display: "X"})
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			grid = inputs.ToGrid2D(input, "\n", "", Point{}, func(c string) Point { return Point{dirs: make([]Direction, 1), display: c} })
+			p := grid.Get(x, y)
+			if p.display == "." {
+				grid.Set(x, y, Point{dirs: p.dirs, display: "#"})
+				l := loc
+				if isLoop(&l, grid) {
+					loc.count++
+				}
+				grid.Set(x, y, Point{dirs: p.dirs, display: "."})
+			}
+		}
+	}
+	return loc.count
+}
+
+func isLoop(loc *Loc, grid *grid2d.Grid[Point]) bool {
+	for {
+		_, _, err := move2(loc, grid)
+		if err != nil { return false }
+		if contains(loc.dir, grid.Get(loc.pos.x, loc.pos.y)) {
+			return true
+		} else {
+			p := grid.Get(loc.pos.x, loc.pos.y)
+			grid.Set(loc.pos.x, loc.pos.y, Point{dirs: append(p.dirs, loc.dir), display: "X"})
+		}
+	}
+}
+
+func Part2b(input string) int {
+	var loc Loc
+	grid := inputs.ToGrid2D(input, "\n", "", Point{}, func(c string) Point { return Point{dirs: make([]Direction, 1), display: c} })
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y).display == "^" {
+				loc = Loc{dir: Up, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y).display == "v" {
+				loc = Loc{dir: Down, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y).display == ">" {
+				loc = Loc{dir: Right, pos: Pos{x: x, y: y}}
+			}
+			if grid.Get(x, y).display == "<" {
+				loc = Loc{dir: Left, pos: Pos{x: x, y: y}}
+			}
+		}
+	}
+	fmt.Println(grid.Matrix())
+	fmt.Printf("%v\n", loc)
+	point := grid.Get(loc.pos.x, loc.pos.y)
+	grid.Set(loc.pos.x, loc.pos.y, Point{dirs: append(point.dirs, Up), display: "X"})
+	loc.count = 0
+	for {
+		_, _, err := move2(&loc, grid)
+		if err != nil {
+			break
+		}
+		if contains(loc.dir, grid.Get(loc.pos.x, loc.pos.y)) {
+			loc.count++
+			break
+		}
+	}
+	return loc.count
+}
+
+func move1(loc *Loc, grid *grid2d.Grid[string]) int {
+	return -1
+}
+
+func move2(loc *Loc, grid *grid2d.Grid[Point]) (int, int, error) {
+	x, y, err := doMove(loc, grid)
+	if err != nil {
+		return x, y, err
+	}
+	if x == loc.pos.x && y == loc.pos.y {
+		move2(loc, grid)
+	}
+	return x, y, nil
+}
+
+func canBlock(loc *Loc, point Point) bool {
+	val := false
+	switch loc.dir {
+	case Up:
+		if contains(Right, point) {
+			val = true
+		}
+	case Down:
+		if contains(Left, point) {
+			val = true
+		}
+	case Left:
+		if contains(Up, point) {
+			val = true
+		}
+	case Right:
+		if contains(Down, point) {
+			val = true
+		}
+	}
+	return val
+}
+
+func contains(v Direction, point Point) bool {
+	for _, d := range point.dirs {
+		if d == v {
+			return true
+		}
+	}
+	return false
+}
+
+func checkMove(loc *Loc, grid *grid2d.Grid[string]) bool {
+	switch loc.dir {
+	case Down:
+		if loc.pos.y+1 >= grid.SizeY() {
+			return false
+		}
+		if grid.Get(loc.pos.x, loc.pos.y+1) == "#" {
+			loc.dir = Left
+		} else {
+			loc.pos.y++
+		}
+	case Up:
+		if loc.pos.y-1 < 0 {
+			return false
+		}
+		if grid.Get(loc.pos.x, loc.pos.y-1) == "#" {
+			loc.dir = Right
+		} else {
+			loc.pos.y--
+		}
+	case Left:
+		if loc.pos.x-1 < 0 {
+			return false
+		}
+		if grid.Get(loc.pos.x-1, loc.pos.y) == "#" {
+			loc.dir = Up
+		} else {
+			loc.pos.x--
+		}
+	case Right:
+		if loc.pos.x+1 >= grid.SizeX() {
+			return false
+		}
+		if grid.Get(loc.pos.x+1, loc.pos.y) == "#" {
+			loc.dir = Down
+		} else {
+			loc.pos.x++
+		}
+	}
+	return true
+}
+
+func doMove(loc *Loc, grid *grid2d.Grid[Point]) (int, int, error) {
+	x := loc.pos.x
+	y := loc.pos.y
+	switch loc.dir {
+	case Down:
+		if loc.pos.y+1 >= grid.SizeY() {
+			return x, y, fmt.Errorf("outside")
+		}
+		if grid.Get(loc.pos.x, loc.pos.y+1).display == "#" {
+			loc.dir = Left
+		} else {
+			loc.pos.y++
+		}
+	case Up:
+		if loc.pos.y-1 < 0 {
+			return x, y, fmt.Errorf("outside")
+		}
+		if grid.Get(loc.pos.x, loc.pos.y-1).display == "#" {
+			loc.dir = Right
+		} else {
+			loc.pos.y--
+		}
+	case Left:
+		if loc.pos.x-1 < 0 {
+			return x, y, fmt.Errorf("outside")
+		}
+		if grid.Get(loc.pos.x-1, loc.pos.y).display == "#" {
+			loc.dir = Up
+		} else {
+			loc.pos.x--
+		}
+	case Right:
+		if loc.pos.x+1 >= grid.SizeX() {
+			return x, y, fmt.Errorf("outside")
+		}
+		if grid.Get(loc.pos.x+1, loc.pos.y).display == "#" {
+			loc.dir = Down
+		} else {
+			loc.pos.x++
+		}
+	}
+	return x, y, nil
+}
diff --git a/2024/go/day06/day06_test.go b/2024/go/day06/day06_test.go
new file mode 100644
index 0000000..8d3a4c3
--- /dev/null
+++ b/2024/go/day06/day06_test.go
@@ -0,0 +1,35 @@
+package day06
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`....#.....
+.........#
+..........
+..#.......
+.......#..
+..........
+.#..^.....
+........#.
+#.........
+......#...`)
+	require.Equal(t, 41, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`....#.....
+.........#
+..........
+..#.......
+.......#..
+..........
+.#..^.....
+........#.
+#.........
+......#...`)
+	require.Equal(t, 6, r)
+}
diff --git a/2024/go/day06/input.txt b/2024/go/day06/input.txt
new file mode 100644
index 0000000..86fc58b
--- /dev/null
+++ b/2024/go/day06/input.txt
@@ -0,0 +1,130 @@
+...#..................#...................#......................#..............................#.............................#...
+....#.......................#........#.#..............##...........#.....#..........#..........................#..................
+.............#........................................................................#.........#.#..#..#..........#..............
+..........#.......#..........#..................#........##...................#..............#....................................
+....................#..........................................................#..#.....................................#.........
+....#............................#..............................................#.....................#..........##....#..........
+.......#.............#......................................................................#.............#.........#.............
+....###......................#....#...........#.....#................................#..........................#.................
+..........#..#...........#..#........................................................#.....#...........#................#.........
+..#....#......#....#....#...................................................................#.....................................
+....................#............#............................................#......#....#...............................#.......
+..........#.......#.........#.......#.............................................................................................
+.......#...#.......................................#...................#..........................................................
+.......#........#............................#.....#.......#..............................................#..................#...#
+.....................#.................................#................#...#...............#.....#.#..........................#..
+.....#..........................................#......................#.............##..............................#........#...
+.....#......#.........................#..........................#..........................................................#..#..
+.#......#.............#......#.................................................#.....#...................##......#................
+.............................................................................##...................................................
+........................................#.......................................#........#.............................#.#.......#
+...........#.....................................#.............................#......#......#..#....................#..#.........
+.............................................#.......................#..................##....#.....#.............................
+........................#..............................................................#..........................................
+#..............#.........................#........#...#...............#..............#..................#....................##...
+...#...#.............................#.......#................................................#........................#....#.....
+.....#.........................#..#.......................#..........#.....................#..................#.#.....#...........
+..................#........#..#.......#...................................................................................#....#..
+..#...#...............................................#.#..#........................................................#....#......#.
+...............#...............#..........................#............................#..........#.............#.................
+............#.....#........#.........................................................#........#........#.....#........#......#....
+............................#.........#....#........#.....#...#.............#.................................#...................
+........#..................#....#..........................................................#.#.#..................................
+....................................................................................................................#.............
+#............#.............#..................#......................................................................#............
+...............................#....#..........#...........##........................................................#.........#.#
+................#.........................................#.................................................#........#............
+..............................................#............#................#........#........................#...................
+..................#.........#..........................#.............#...............#............#....................#..........
+........................#...#...............................................#..............#.....#.....................#..........
+...........#.......................................#..............................#..................#....#...##..................
+#...............#..................#...............................#...............................#.....................#........
+.............#...............................................................##...................................................
+.................#.............#.......................#...#............#.#....#................................#...........#.....
+#......#......#..................................##.................#.#...............................#...........................
+.#...............#..........#...............................................#...#..........#..........#...........................
+.....................................#............................#....#.............................................#...#........
+......#...#.............#.#....................#.........#..........##.................................#..........#..........#....
+.............................#..................#....#..............##.......................#.#.....#........#...................
+.................................................#.#......................................................#................#......
+......................................#..........................................#......#.........................................
+#....................#...........................................................#..................#.............................
+.....#.........#...................................................#....#.#....#.#.........#......................................
+........#..........#......#.............#................................#.....#................#.................................
+...........#................................#...........#..........#......#.............#........................#................
+.......#...............#....................#..#................................................#.................................
+.....................#.........#..#............#..........#...........#...........#...............................#...............
+................#...#........#...........#..........................................................#..#...................#......
+.........................................................#.....................#...#......................#.#....................#
+................#......#....#.#..............#............#.......................................................................
+..........#.....................................#......................................................................#..........
+#......................................#.......#.....##..#.....................#.........#.......#................................
+........#...#..............#....................#................................#..............................................#.
+.##............................................................................#......#................................#..........
+.#........................#..............#..............................................#........#.....#.......#..................
+#......................................#.....................#...................................................................#
+............................#.....#.....#............#...............#...#.......#.........#......................................
+.#.........................#.......................#.........#.......#.................#............................#..#..........
+.............................................................................................................#........##..........
+...........#...#...#.#................#.....................................#........#............................................
+......#.......................#..........#.......#................................................................#...............
+........#....#........#..................#....##.....#............#..............................#...........#...........#..#.....
+..................................#...............................................................................#...............
+.....................#.#.......................#....................................#.............................................
+........................................................................................#.........#.................#.........#...
+..........................#..........#....#..........................................#.......................#............#.#.....
+...............................................#.#....#...............................#...................#......................#
+.....#...........#........#.#.......#.............................#..................#............................................
+...............#.........................................................#....................#.................#.............#...
+#....................................##..........#................................................................#...............
+...............#.................#...#..............#......................................................#..............#.......
+...................#......#.............................................#......................................................#.#
+..#.............#.......#......#....#..#..#.......................................................................................
+.........#....................................................#.....................................#..............#..............
+..............#..............#................................................................#.......................#...........
+..........................#.................#.......................................................##...................#.#......
+...............#..#...................................................................................................#.......###.
+...#.....................#..#........#..........#..................................................................##.............
+.................#.......................................###..............#.........................#.............................
+...#.....................................................#.......#..........................#................#..#.................
+...................................................#..................#.........................................................#.
+.....#.............#...................#...................#.....................................#................................
+.....................#.........................#......#...........................................................................
+...........#...............#......#.....##...#...#.............................................#........#.#...............#...#...
+..............#..............##...........#.......................#..#.^..........................................................
+...................#..............................................................................................................
+..................#.......#..........#.......#..................#..........#...................................#..................
+..............................................................................................#..................................#
+......................................................#................#......................#...................................
+..............#.........#..............................#.....................#......................#.............................
+#................#.........#................#.............................#......................#..#...#..............#..........
+.#..#........#................#...............#..................#........#.....................#............#........#...........
+.....................................................#.#.........#......................#.............................#........#..
+......................#.....................#..#......#..........................#............................#......#............
+......................#.........................#..#..................................#.......................#..............#....
+..........................#..................#.............#......................................................#...............
+..........................#....#........................................#..#...#....#.................#...........................
+.......#...........#.......................#............##........#....................................................#..........
+#..........................................................................#...........#..........................................
+............................................................#.................#..#........................................##......
+..#...............................................#....#.................................................##.....#...##.....#......
+...#.....##..............................#.........................................................#............#.................
+.....#....##............................#....##..........#...#....................................................................
+..................................................#..........................#.........##.......#.......................#.........
+.........#.....#..........#........#........................#.##..#............#.......................................#..........
+.....#...............#.......#..........#.#..........#.....................#.....................................#.....#..........
+....#......#............................................................................................##...#.#.#.........#......
+...........#........................#.....#....................#..................#.#........#....................................
+....................................................#................#.#................................................#.........
+..........#..............#.......................#.................#...................................#.............#.#......##..
+................##......................................................#.................#.......#.#....................#........
+................#......................................................#.............##...............#.....#......#.......#......
+..............................#............................#..........#...........#...............................................
+.......#.............#....................................................................#..............................#.#......
+...#.....................#.#...............................................................#...#..#....#..........................
+....#.........##......#..............................................................................#..................#.........
+....#..........................................#......#...................#........##............#................................
+..#.......#......#............#........#...#.#...........................#.......#................................................
+..........................#...#....................#...............#...#......#.#...#...#...............#.#.#.....................
+....##.#....................................................................#...#.....##........................#.##..............
+.............................................#....................................................................................
diff --git a/2024/go/day07/day07.go b/2024/go/day07/day07.go
new file mode 100644
index 0000000..6f4c336
--- /dev/null
+++ b/2024/go/day07/day07.go
@@ -0,0 +1,140 @@
+package day07
+
+import (
+	"adventofcode2024/utils"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type Op int
+
+const (
+	Add Op = iota
+	Mul
+	Conc
+)
+
+func Part1(input string) int {
+	val := 0
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		parts := strings.Split(line, ":")
+		result := utils.MustAtoi(parts[0])
+		numStrings := strings.Fields(parts[1])
+		var numbers []int
+		for _, numStr := range numStrings {
+			num := utils.MustAtoi(numStr)
+			numbers = append(numbers, num)
+		}
+		bitmask := 1 << (len(numbers) - 1)
+		for i := 0; i < bitmask; i++ {
+			calc := 0
+			switch isNthBitSet(i, 0) {
+			case true:
+				calc = numbers[0] + numbers[1]
+			case false:
+				calc = numbers[0] * numbers[1]
+			}
+
+			for n := 1; n < len(numbers)-1; n++ {
+				switch isNthBitSet(i, n) {
+				case true:
+					calc = calc + numbers[n+1]
+				case false:
+					calc = calc * numbers[n+1]
+				}
+			}
+			if calc == result {
+				fmt.Printf("result: %v numbers:%v  count: %d\n", result, numbers, bitmask)
+				val += result
+				break
+			}
+		}
+	}
+	return val
+}
+
+func Part2(input string) int {
+	val := 0
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		parts := strings.Split(line, ":")
+		result := utils.MustAtoi(parts[0])
+		numStrings := strings.Fields(parts[1])
+		var numbers []int
+		for _, numStr := range numStrings {
+			num := utils.MustAtoi(numStr)
+			numbers = append(numbers, num)
+		}
+		operations := []Op{Add, Mul, Conc}
+		results := [][]Op{}
+		generatePermutations(operations, len(numbers)-1, []Op{}, &results)
+		for _, op := range results {
+			calc := 0
+			switch op[0] {
+			case Add:
+				calc = numbers[0] + numbers[1]
+			case Mul:
+				calc = numbers[0] * numbers[1]
+			case Conc:
+				calc = concat(numbers[0], numbers[1])
+			}
+
+			for n := 1; n < len(numbers)-1; n++ {
+				switch op[n] {
+				case Add:
+					calc = calc + numbers[n+1]
+				case Mul:
+					calc = calc * numbers[n+1]
+				case Conc:
+					calc = concat(calc, numbers[n+1])
+				}
+			}
+			if calc == result {
+				fmt.Printf("result: %v numbers:%v\n", result, numbers)
+				val += result
+				break
+			}
+		}
+	}
+	return val
+}
+
+func isNthBitSet(num, n int) bool {
+	return num&(1<<n) != 0
+}
+
+func getOp(row, col int) Op {
+	vals := []Op{Add, Mul, Conc}
+	// Column 0 cycles as row / 3
+	if col == 0 {
+		return vals[row/3]
+	}
+	// Column 1 cycles as row % 3
+	return vals[row%3]
+}
+
+// Recursive function to generate permutations
+func generatePermutations(ops []Op, n int, prefix []Op, results *[][]Op) {
+	if n == 0 {
+		// Append a copy of the current prefix to the results
+		*results = append(*results, append([]Op{}, prefix...))
+		return
+	}
+
+	// Iterate over all operations and build the combinations
+	for _, op := range ops {
+		generatePermutations(ops, n-1, append(prefix, op), results)
+	}
+}
+
+func concat(a, b int) int {
+	aStr := strconv.Itoa(a)
+	bStr := strconv.Itoa(b)
+
+	concatStr := aStr + bStr
+
+	result, _ := strconv.Atoi(concatStr)
+	return result
+}
diff --git a/2024/go/day07/day07_test.go b/2024/go/day07/day07_test.go
new file mode 100644
index 0000000..28aea85
--- /dev/null
+++ b/2024/go/day07/day07_test.go
@@ -0,0 +1,47 @@
+package day07
+
+import (
+	"testing"
+	"github.com/stretchr/testify/require"
+	"fmt"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`190: 10 19
+3267: 81 40 27
+83: 17 5
+156: 15 6
+7290: 6 8 6 15
+161011: 16 10 13
+192: 17 8 14
+21037: 9 7 18 13
+292: 11 6 16 20`)
+	require.Equal(t, 3749, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`190: 10 19
+3267: 81 40 27
+83: 17 5
+156: 15 6
+7290: 6 8 6 15
+161011: 16 10 13
+192: 17 8 14
+21037: 9 7 18 13
+292: 11 6 16 20`)
+	require.Equal(t, 11387, r)
+}
+
+func TestGetOp(t *testing.T) {
+	operations := []Op{Add, Mul, Conc} // Define the operations
+    X := 3 // Define the number of positions (columns)
+
+    // Start the recursive generation with an empty prefix
+	results := [][]Op{}
+    generatePermutations(operations, X, []Op{}, &results)
+	for _, op := range results {
+		fmt.Printf("%v\n", op)
+	}
+	r := Add
+	require.Equal(t, Add, r)
+}
\ No newline at end of file
diff --git a/2024/go/day07/input.txt b/2024/go/day07/input.txt
new file mode 100644
index 0000000..333492b
--- /dev/null
+++ b/2024/go/day07/input.txt
@@ -0,0 +1,850 @@
+16183610: 62 7 96 8 6 8 52 3 3 47
+408936528: 5 1 5 1 9 2 2 8 7 1 725 63
+20378697464: 101 893 487 2 6 4
+376576: 4 9 235 57 1 3 6 722 8
+431880008: 18 66 276 5 295 4 5 7 1
+379520346363: 858 95 723 8 92 7 9 2
+18243750: 76 24 3 750
+7302: 806 446 391 791 3
+18879037: 7 75 1 94 217 37
+3887037856: 805 64 71 7 9 856
+120267: 3 48 937 659 3 69
+757199: 86 2 69 7 7 8 80 5 8 743
+5835692: 349 65 110 8 1 8 35 4
+9693533: 560 33 54 523 251
+1691420808: 33 720 4 76 84 66
+27537: 5 2 2 4 296 73 89
+3099946535: 7 330 5 245 9 4 5 3 7 3 5
+2430252: 58 1 3 9 47 71 5 19 418
+379232792: 789 98 6 71 6 8 535 8 2
+11690268: 2 92 3 2 83 72 1 3 1 6 8 4
+65091: 225 4 895 1 9 6 5 6 81
+230263117372: 405 38 568 727 7 372
+1071440: 6 4 614 67 30 4 7 1 229
+60445800: 3 7 9 9 9 683 27 8 4 4
+6834722563: 95 43 29 182 9 317
+449482: 98 1 458 99 85
+381868494: 74 992 18 289 78
+42075: 86 3 28 14 38 18 225
+105275: 13 751 755 4 91
+1258023882: 4 79 534 502 61 3 3 9
+766505: 7 87 21 4 4 7 83 5
+4569436040: 355 7 6 3 4 7 8 753 4 29
+182512: 4 1 7 1 6 66 38 8 6 112
+238680: 9 42 36 65 2
+81450600: 235 52 86 6 275 2
+20684471: 2 989 98 2 4 237 3 7 59
+79521192: 48 98 9 91 5 15 29 18
+604195918: 756 74 12 2 9 52 7 8
+43646875223: 62 28 8 5 6 8 730 3 2 3
+24683153283: 5 12 2 2 462 2 72 24 3
+13641: 21 664 2 3 655 5 61
+23364264: 35 5 9 43 39 2 520 8 33
+1352375279: 9 21 54 9 84 61 527
+122558095823: 51 58 4 676 99 6 3 7 2 9
+9153847: 912 3 1 38 47
+623510: 25 63 6 30 892 86 2 5
+100277100: 352 773 45 20 90 22
+19779196416: 7 239 64 716 2 129
+5982828: 86 3 644 9 2 271 66 4
+1287462: 3 25 68 2 93 15 6 22
+11178753676: 9 9 69 3 7 2 4 8 2 6 8 8
+38798: 3 314 4 4 71 38
+15055: 1 43 7 52 3
+58769: 813 2 4 4 3 1 1 8 3 47 7 5
+716958509: 2 343 612 33 69 5
+1675: 1 28 41 19 467
+39178: 3 873 40 3 1 9
+708235: 340 13 9 2 50 385
+61112: 7 52 2 107 5
+9420: 2 9 5 70 4 13 2 468 8
+23543454: 8 478 2 87 242
+35262945144: 26 81 91 441 184
+357858: 68 4 6 9 92 7 9 92 54
+2718246046: 1 85 4 95 53 7 7 5 6 2 2 6
+575: 519 2 49 3 2
+1180: 172 18 58 44 888
+1206891306: 2 9 1 67 80 9 1 2 9 8 5 3
+1968096: 6 5 545 39 7 5 2 21 6 6 4
+74504: 744 97 7
+452256: 8 355 5 796 81 168
+418262248: 541 1 482 802 2
+152402250369: 4 87 8 8 6 319 65 369
+123797905: 9 7 550 577 1 7 2 5 3 5 7
+3129360: 73 1 7 5 62 59 20
+13030160: 58 9 4 748 65
+3758143: 7 80 6 44 6 7 1 4 17 9 4
+1058: 521 534 3
+6027582: 8 55 704 838 2
+55923132: 971 9 7 137 1 6
+42362711: 423 614 8 71 440
+74875: 89 83 85 4 57 94
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diff --git a/2024/go/day08/day08.go b/2024/go/day08/day08.go
new file mode 100644
index 0000000..1b07ad5
--- /dev/null
+++ b/2024/go/day08/day08.go
@@ -0,0 +1,168 @@
+package day08
+
+import (
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+)
+
+type loc struct {
+	x int
+	y int
+}
+
+type pt struct {
+	display   rune
+	antinodes int
+	paired    map[loc]pt
+	visited   map[rune]bool
+}
+
+func Part1(input string) int {
+	grid := inputs.ToGrid2D(input, "\n", "", pt{display: '.'}, func(c string) pt { return pt{display: rune(c[0]), paired: make(map[loc]pt), visited: make(map[rune]bool)} })
+	for x1 := 0; x1 < grid.SizeX(); x1++ {
+		for y1 := 0; y1 < grid.SizeY(); y1++ {
+			pt1 := grid.Get(x1, y1)
+			if pt1.display != '.' {
+				for x2 := 0; x2 < grid.SizeX(); x2++ {
+					for y2 := 0; y2 < grid.SizeY(); y2++ {
+						pt2 := grid.Get(x2, y2)
+						if x1 != x2 && y1 != y2 && pt1.display == pt2.display && !isPaired(x1, y1, pt1, pt2) {
+							pt1.paired[loc{x: x2, y: y2}] = pt2
+							pt2.paired[loc{x: x1, y: y1}] = pt1
+						}
+					}
+				}
+			}
+		}
+	}
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			pt1 := grid.Get(x, y)
+			if pt1.display != '.' {
+				for ploc := range pt1.paired {
+					addAntiNodes(x, y, ploc.x, ploc.y, grid)
+				}
+			}
+		}
+	}
+	antinodes := 0
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			pt := grid.Get(x, y)
+			if pt.antinodes > 0 {
+				antinodes++
+			}
+		}
+	}
+	return antinodes
+}
+
+func Part2(input string) int {
+	grid := inputs.ToGrid2D(input, "\n", "", pt{display: '.'}, func(c string) pt { return pt{display: rune(c[0]), paired: make(map[loc]pt), visited: make(map[rune]bool)}})
+	for x1 := 0; x1 < grid.SizeX(); x1++ {
+		for y1 := 0; y1 < grid.SizeY(); y1++ {
+			pt1 := grid.Get(x1, y1)
+			if pt1.display != '.' {
+				for x2 := 0; x2 < grid.SizeX(); x2++ {
+					for y2 := 0; y2 < grid.SizeY(); y2++ {
+						pt2 := grid.Get(x2, y2)
+						if x1 != x2 && y1 != y2 && pt1.display == pt2.display && !isPaired(x1, y1, pt1, pt2) {
+							pt1.paired[loc{x: x2, y: y2}] = pt2
+							pt2.paired[loc{x: x1, y: y1}] = pt1
+							pt1.antinodes++
+							pt2.antinodes++
+							grid.Set(x1, y1, pt1)
+							grid.Set(x2, y2, pt2)
+						}
+					}
+				}
+			}
+		}
+	}
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			pt1 := grid.Get(x, y)
+			if pt1.display != '.' {
+				for ploc := range pt1.paired {
+					addAntiNodes_p2(pt1.display, x, y, ploc.x, ploc.y, grid)
+				}
+			}
+		}
+	}
+	antinodes := 0
+	fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			pt := grid.Get(x, y)
+			if pt.antinodes > 0 {
+				antinodes++
+			} else {
+				if pt.display != '.' { antinodes++ }
+			}
+		}
+	}
+	return antinodes
+}
+
+func formatter(p pt, x int, y int) string {
+	if p.antinodes > 0 { 
+		return "#"
+	}
+	return "."
+}
+
+func isPaired(x int, y int, p1 pt, pt2 pt) bool {
+	return p1.paired[loc{x: x, y: y}].display == pt2.display
+}
+
+func addAntiNodes(x1 int, y1 int, x2 int, y2 int, grid *grid2d.Grid[pt]) {
+	px1, py1, px2, py2 := offsetPoints(x1, y1, x2, y2)
+
+	if px1 < 0 || px1 >= grid.SizeX() || py1 < 0 || py1 >= grid.SizeY() {
+		return
+	}
+	pt1 := grid.Get(px1, py1)
+	pt1.antinodes++
+	grid.Set(px1, py1, pt1)
+	if px2 < 0 || px2 >= grid.SizeX() || py2 < 0 || py2 >= grid.SizeY() {
+		return
+	}
+	pt2 := grid.Get(px2, py2)
+	pt2.antinodes++
+	grid.Set(px2, py2, pt2)
+}
+
+func addAntiNodes_p2(frequency rune, x1 int, y1 int, x2 int, y2 int, grid *grid2d.Grid[pt]) {
+	px1, py1, px2, py2 := offsetPoints(x1, y1, x2, y2)
+	if !(px1 < 0 || px1 >= grid.SizeX() || py1 < 0 || py1 >= grid.SizeY()) {
+		pt1 := grid.Get(px1, py1)
+		if !pt1.visited[frequency] {
+			pt1.antinodes++
+			pt1.visited[frequency] = true
+			grid.Set(px1, py1, pt1)
+			addAntiNodes_p2(frequency, x1, y1, px1, py1, grid)
+		}
+	}
+	if !(px2 < 0 || px2 >= grid.SizeX() || py2 < 0 || py2 >= grid.SizeY()) {
+		pt2 := grid.Get(px2, py2)
+		if !pt2.visited[frequency] {
+			pt2.antinodes++
+			pt2.visited[frequency] = true
+			grid.Set(px2, py2, pt2)
+			addAntiNodes_p2(frequency, x2, y2, px2, py2, grid)
+		}
+	}
+}
+
+// Function to calculate two points symmetrically placed above and below the line
+func offsetPoints(x1, y1, x2, y2 int) (int, int, int, int) {
+	dx := x1 - x2
+	dy := y1 - y2
+
+	p1x := x1 + dx
+	p1y := y1 + dy
+	p2x := x2 - dx
+	p2y := y2 - dy
+	return p1x, p1y, p2x, p2y
+}
diff --git a/2024/go/day08/day08_test.go b/2024/go/day08/day08_test.go
new file mode 100644
index 0000000..7ed15be
--- /dev/null
+++ b/2024/go/day08/day08_test.go
@@ -0,0 +1,39 @@
+package day08
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`............
+........0...
+.....0......
+.......0....
+....0.......
+......A.....
+............
+............
+........A...
+.........A..
+............
+............`)
+	require.Equal(t, 14, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`............
+........0...
+.....0......
+.......0....
+....0.......
+......A.....
+............
+............
+........A...
+.........A..
+............
+............`)
+	require.Equal(t, 34, r)
+}
diff --git a/2024/go/day08/input.txt b/2024/go/day08/input.txt
new file mode 100644
index 0000000..701cc7a
--- /dev/null
+++ b/2024/go/day08/input.txt
@@ -0,0 +1,50 @@
+.....y..........................p................r
+........I.........................................
+......................4.s.........................
+..........4.......................................
+....y.............................................
+......................................p.........r.
+..........0..s......N..................1.....p....
+..y........4.......................p..............
+...............0..................................
+..............0....t....N....h....................
+.............N....................................
+......j...................s............H...l..O...
+..........q.................H................O....
+..f...e.qj.....y...0..............................
+...........t..........................k..Q..r.....
+.........6................Q..s...x......W.........
+....2..b...e....t..4.........c.....xW.j...........
+...e....................w................1.....O..
+..e..j..5...........................c.............
+.........B..2...............MK................H...
+...2......b...g..X...q..........h...............O.
+...q...2..........m....k...i...............QV.x...
+...................i.........W.k.............HQ...
+........b...X...............D..........c...N......
+................................l..........h.....I
+.m...........g......l.......c.............3......V
+....X.......m........g...V.K...7......F.d.........
+.........b.X...U..........................C.......
+.....................l..............o.1....C......
+............u.............K..............3...d....
+......................i.T....f................V...
+..............................1.k.................
+.B.....E......9..m....K..5.M......................
+...P...............M...95....o..i........I........
+...............................S......3......wI...
+.....EP...........9........5..T.R.................
+.P..........v..9......f.............R.Co..w3......
+..........h...SG..v.E...7..f.T....................
+..........6..........L.................Y.......d..
+..........B...............U........D..............
+....B................U.....8..M....n...J..........
+.........................L................Fw......
+....L6E.P.................7.UG....J.....Y.D.......
+........t........v...SJ........n..d...............
+......................8v.....uG...................
+..................L.....n.........................
+...............T..............n......D............
+..............o.........8................J.Y.R....
+..................S...............u....F.......R..
+........6..............u.....7.8..........Y..F....
diff --git a/2024/go/go.mod b/2024/go/go.mod
index d7d05a2..1ff1c1b 100644
--- a/2024/go/go.mod
+++ b/2024/go/go.mod
@@ -7,6 +7,6 @@ require golang.org/x/exp v0.0.0-20221208152030-732eee02a75a
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/stretchr/testify v1.10.0 // indirect
+	github.com/stretchr/testify v1.10.0 // direct
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/2024/go/main.go b/2024/go/main.go
index 46934c6..0c51cbd 100644
--- a/2024/go/main.go
+++ b/2024/go/main.go
@@ -10,8 +10,11 @@ import (
 	"adventofcode2024/day01"
 	"adventofcode2024/day02"
 	"adventofcode2024/day03"
-	"adventofcode2024/day04"
-
+	"adventofcode2024/day04"	
+	"adventofcode2024/day05"
+	"adventofcode2024/day06"
+	"adventofcode2024/day07"
+	"adventofcode2024/day08"
 )
 // Usage: go run main.go <NN>
 // assumes input is in day<NN>/input.txt
@@ -32,6 +35,19 @@ func main() {
 	case 4:
 		fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
 		fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
+	case 5:
+		fmt.Printf("part 1: %d\n", day05.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day05.Part2(utils.Readfile(d)))
+	case 6:
+		fmt.Printf("part 1: %d\n", day06.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day06.Part2(utils.Readfile(d)))	
+	case 7:
+		fmt.Printf("part 1: %d\n", day07.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day07.Part2(utils.Readfile(d)))	
+	case 8:
+			fmt.Printf("part 1: %d\n", day08.Part1(utils.Readfile(d)))
+			fmt.Printf("part 2: %d\n", day08.Part2(utils.Readfile(d)))
+
 	default:
 		panic(fmt.Errorf("no such day: %d", d))
 	}
@@ -39,7 +55,7 @@ func main() {
 
 // Reads day from os.Args.
 func day() int {
-	latest := 3
+	latest := 7
 	if len(os.Args) == 1 {
 		return latest
 	}

From f8c29be7ef5db1a48a0b32187bff3552f5e3b8bc Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Mon, 9 Dec 2024 16:46:10 +0000
Subject: [PATCH 07/11] day9

---
 2024/go/day09/day09.go      | 117 ++++++++++++++++++++++++++++++++++++
 2024/go/day09/day09_test.go |  17 ++++++
 2024/go/day09/input.txt     |   1 +
 3 files changed, 135 insertions(+)
 create mode 100644 2024/go/day09/day09.go
 create mode 100644 2024/go/day09/day09_test.go
 create mode 100644 2024/go/day09/input.txt

diff --git a/2024/go/day09/day09.go b/2024/go/day09/day09.go
new file mode 100644
index 0000000..64ddd3d
--- /dev/null
+++ b/2024/go/day09/day09.go
@@ -0,0 +1,117 @@
+package day09
+
+import (
+	"adventofcode2024/utils"
+	"fmt"
+)
+
+func Part1(input string) int {
+	disk := []int{}
+	file_id := 0
+	for i := 0; i <= len(input); i++ {
+		for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
+			disk = append(disk, file_id)
+		}
+		i++
+		if i < len(input) {
+			for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
+				disk = append(disk, -1)
+			}
+		}
+		file_id++
+	}
+	
+	printDisk(disk)
+
+	for i:=len(disk)-1;i>0;i--{
+		if disk[i] != -1 {
+			id := disk[i]
+			disk[i] = -1
+			for j:=0;j<=len(disk);j++ {
+				if disk[j] == -1 {
+					disk[j] = id
+					break
+				}
+			}
+		}
+	}
+	printDisk(disk)
+
+	checksum := 0
+	for i:=0;i<len(disk);i++ {
+		if disk[i] != -1 {
+			checksum += i * disk[i]
+		}
+	}
+	return checksum
+}
+
+func Part2(input string) int {
+	disk := []int{}
+	file_id := 0
+	for i := 0; i <= len(input); i++ {
+		for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
+			disk = append(disk, file_id)
+		}
+		i++
+		if i < len(input) {
+			for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
+				disk = append(disk, -1)
+			}
+		}
+		file_id++
+	}
+	
+	printDisk(disk)
+
+	for i:=len(disk)-1;i>0;i--{
+		size := 0
+		if disk[i] != -1 {
+			id := disk[i]
+			for {
+				if i-size > 0 && disk[i-size] == id {
+					size++
+				} else {
+					break
+				}
+			}
+			free := 0
+			j := 0
+			found := false
+			for ;j<i && free < size;j++{
+				if disk[j] != -1 { 
+					free = 0
+					continue 
+				}
+				free++
+				if free == size { found = true }
+			}
+			if found {
+				for k:=0;k<size;k++ {
+					disk[i-k] = -1
+					disk[j-size+k] = id
+				}
+//				printDisk(disk)
+			}
+			i -= (size -1)
+			
+		}
+	}
+	printDisk(disk)
+
+	checksum := 0
+	for i:=0;i<len(disk);i++ {
+		if disk[i] != -1 {
+			checksum += i * disk[i]
+		}
+	}
+	return checksum}
+
+func printDisk(disk []int) {
+	for _, x := range disk {
+		if x == -1 {fmt.Print(".")} else {
+			fmt.Printf("%d", x)
+		}
+	}
+	fmt.Print("\n")
+}
\ No newline at end of file
diff --git a/2024/go/day09/day09_test.go b/2024/go/day09/day09_test.go
new file mode 100644
index 0000000..6ae64f0
--- /dev/null
+++ b/2024/go/day09/day09_test.go
@@ -0,0 +1,17 @@
+package day09
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1("2333133121414131402")
+	require.Equal(t,1928, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2("2333133121414131402")
+	require.Equal(t, 2858, r)
+}
diff --git a/2024/go/day09/input.txt b/2024/go/day09/input.txt
new file mode 100644
index 0000000..f726d07
--- /dev/null
+++ b/2024/go/day09/input.txt
@@ -0,0 +1 @@
+4799935813741734388396718272884368753489109116876896165195936891424450717191685132736126746750181960476552308839526828877147316844591649931720174496953068926139549112138231984842811415641461958532623088186536549482634914941471443590487076967598272945344710168085756021694840122715643211898823847295639938588023236490875264961515963010539974484426312296399661724683521454379827969494425769938668791924282023247854667627548935142166144772223966647568715449558137691234646538573120213038196423161366271449969776278896883569239834325385665157232296614384158525144322477962869187698847752462518152262316586615815478732633402362553083693387972449919194417286355138552962432873193276699449912097249914217288968952645832261629109382209693222072413851528963602229572164949186213210205740221712796369198977681779985082549419578351125392875062539438541868944256199850785265318171623040646929578531593761738073908280888896342178797851883757316042962284599223411425502255336286174646145916845582666468187398557628805256419947877630292028185137857129884348837461621681284691504413213298702085294733285669808526445510351560224737195595134563194248837262463727345690969650879585528814493888354317686519581318878272505321585269628156997849639475496672844686933689916127981661853547945766347792445174104923661743871039847358256367521969133151786597123654283649199559742217827833197133518667494452146453117127847944431473361893637971849848195216562924324372472767947155237194657379826159306258794528612652442353196417139473787217492654785186293044388973942352693268336786728935237378176659281676537960725271198858373264235189319522882679679411998149172060146175416031697130148061579273218944882550842222548292125556802458298531727348151257747598557063898515493488164091804884365875945073704020762154627085746211714789577098473273698831415452596819641233513889416062829749592756242097516136196193637827617054278441475665932673783668741793853785107953653225588915259056673096475529127092952425838325478767102644393496767190487183707537549373833466332969258470907386606836313691356140855891595943905454588210342199409641774094549877501564119779386989908134911398335219348971529198394844698281543556309797286639979654807336624255487948803170299247535657587661102931374682457661597510628255891849325147377974625367311492953952843256913320544691932385152737342060817957773319284720839447814597555736227185314055819063968242567219803945428614178924984078318970376688871178158891387599951514395931602854931566834198334145843019291764674986331868555559112297667281814486162034252796743848644928524918159241185115967673826449573153674043206355352141355931748018688095714493675046412671543763217429175174545456885032626782561361722129469637514257893337744241947972632331806853798050626662883317501659922222998753135188833438604895993929158184865242932259827639721648137061316696489527272468814333788687685143978776193889717564585662876312882295672586614373282860293276763752971210254019416146944019629414359250429654158463261931917643918755387045266170854630438369538661861345637283471881731539467255496726484816916097882872747086482990662431397431655674638029584771194351657252721828362561959487671863783522829548574637387358999257668481429675825222831357316610258592864060915595811161375041147456353053108955915239966278477738623899773297164810341385496523768226438018649370617314779868152093634167847586259785414411387075304281932944855980942589693471283334872059539998626681496286504995386791205330492032641028789544189290112926404379671842858458418454246368387033811810603095315099802156257929921059719830871237901761678324832016374653233317439627906093259970525870205442832173721839304183746233173255651411828947411238371248986663207463563024938677949948285230624379247832422526252255809137738021675663999946168426855986838776775725767396314159974948157771399882927385504287516057782836439691269488315033239261406790769961405637775431657140507391942382702223497584402488106342516476352840426486732169555519926248879861902422846031862756387789144945553611638144705727373232715737945116906993969829973382983524981087456185881731278490665160677738404320568292653782216119352943455097722841251956246518528530533728464128817277149641979112702923251417812055264049434159325411926957171722473128888944117111415112206175744171251213204431298452978250963686576995531720948175673847985084949629715786228443336717607047995944545817201861577391588784446374177896131883486815268196718692928218481571286345153645809030433885315752843717902682707277505770979257771310192681698938427537877479454839844280314153313348578578628878826148258193645825816075492264916660136759608446943387985139719090851517622023218927159990844950355147591157627464344324291490798890573030631170593452173499536061996670538788986166687981781292493775839944295347686991365848746165496434902135346757783673798353651568956080907633335942645083515524501447256719231093188056752230632923128437175477247059195051281689984474686260603075941251478585441670468425633834336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

From 29387606b007e804dca6b9130128f040db770dc6 Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Mon, 13 Jan 2025 18:44:06 +0000
Subject: [PATCH 08/11] updates

---
 2024/go/day10/day10.go           |  103 +
 2024/go/day10/day10_test.go      |   31 +
 2024/go/day10/input.txt          |   56 +
 2024/go/day11/day11.go           |   76 +
 2024/go/day11/day11_test.go      |   17 +
 2024/go/day11/input.txt          |    1 +
 2024/go/day12/day12.go           |  146 +
 2024/go/day12/day12_test.go      |   29 +
 2024/go/day12/input.txt          |  140 +
 2024/go/day13/day13.go           |   58 +
 2024/go/day13/day13_test.go      |   45 +
 2024/go/day13/input.txt          | 1279 ++++++
 2024/go/day14/day14.go           |  149 +
 2024/go/day14/day14_test.go      |  527 +++
 2024/go/day14/input.txt          |  500 +++
 2024/go/day15/day15.go           |  119 +
 2024/go/day15/day15_test.go      |   57 +
 2024/go/day15/input.txt          |   71 +
 2024/go/day16/day16.go           |  225 +
 2024/go/day16/day16_test.go      |   47 +
 2024/go/day16/input.txt          |  141 +
 2024/go/day17/day17.go           |   91 +
 2024/go/day17/day17_test.go      |   25 +
 2024/go/day17/input.txt          |    5 +
 2024/go/day18/day18.go           |  126 +
 2024/go/day18/day18_test.go      | 6915 ++++++++++++++++++++++++++++++
 2024/go/day18/input.txt          | 3450 +++++++++++++++
 2024/go/day19/day19.go           |   87 +
 2024/go/day19/day19_test.go      |   42 +
 2024/go/day19/input.txt          |  402 ++
 2024/go/go.mod                   |    8 +-
 2024/go/go.sum                   |   11 +-
 2024/go/main.go                  |   77 +-
 2024/go/utils/dijkstra/graph.go  |  242 ++
 2024/go/utils/dijkstra/object.go |   35 +
 2024/go/utils/dijkstra/queue.go  |   65 +
 36 files changed, 15386 insertions(+), 12 deletions(-)
 create mode 100644 2024/go/day10/day10.go
 create mode 100644 2024/go/day10/day10_test.go
 create mode 100644 2024/go/day10/input.txt
 create mode 100644 2024/go/day11/day11.go
 create mode 100644 2024/go/day11/day11_test.go
 create mode 100644 2024/go/day11/input.txt
 create mode 100644 2024/go/day12/day12.go
 create mode 100644 2024/go/day12/day12_test.go
 create mode 100644 2024/go/day12/input.txt
 create mode 100644 2024/go/day13/day13.go
 create mode 100644 2024/go/day13/day13_test.go
 create mode 100644 2024/go/day13/input.txt
 create mode 100644 2024/go/day14/day14.go
 create mode 100644 2024/go/day14/day14_test.go
 create mode 100644 2024/go/day14/input.txt
 create mode 100644 2024/go/day15/day15.go
 create mode 100644 2024/go/day15/day15_test.go
 create mode 100644 2024/go/day15/input.txt
 create mode 100644 2024/go/day16/day16.go
 create mode 100644 2024/go/day16/day16_test.go
 create mode 100644 2024/go/day16/input.txt
 create mode 100644 2024/go/day17/day17.go
 create mode 100644 2024/go/day17/day17_test.go
 create mode 100644 2024/go/day17/input.txt
 create mode 100644 2024/go/day18/day18.go
 create mode 100644 2024/go/day18/day18_test.go
 create mode 100644 2024/go/day18/input.txt
 create mode 100644 2024/go/day19/day19.go
 create mode 100644 2024/go/day19/day19_test.go
 create mode 100644 2024/go/day19/input.txt
 create mode 100644 2024/go/utils/dijkstra/graph.go
 create mode 100644 2024/go/utils/dijkstra/object.go
 create mode 100644 2024/go/utils/dijkstra/queue.go

diff --git a/2024/go/day10/day10.go b/2024/go/day10/day10.go
new file mode 100644
index 0000000..b52a587
--- /dev/null
+++ b/2024/go/day10/day10.go
@@ -0,0 +1,103 @@
+package day10
+
+import (
+	"adventofcode2024/utils"
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+)
+
+type Position struct {
+	height int
+	summit bool
+}
+
+func Part1(input string) int {
+	score := 0
+	i := 0
+	grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			position := grid.Get(x, y)
+			if position.height != 0 {
+				continue
+			}
+			wipe_summit(grid)
+			score += getScore(x, y, 0, 0, grid)
+			fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
+			i++
+		}
+	}
+	return score
+}
+
+func Part2(input string) int {
+	score := 0
+	i := 0
+	grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			position := grid.Get(x, y)
+			if position.height != 0 {
+				continue
+			}
+			wipe_summit(grid)
+			score += getScore2(x, y, 0, 0, grid)
+			fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
+			i++
+		}
+	}
+	return score
+}
+
+func formatter(p Position, x int, y int) string {
+	return fmt.Sprintf("%v", p.height)
+}
+
+func wipe_summit(grid *grid2d.Grid[Position]) {
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			pos := grid.Get(x, y)
+			if pos.height == 9 && pos.summit {
+				pos.summit = false
+				grid.Set(x, y, pos)
+			}
+		}
+	}
+}
+
+func getScore(x, y, level, score int, grid *grid2d.Grid[Position]) int {
+	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
+	for _, dir := range directions {
+		x1 := x + dir[0]
+		y1 := y + dir[1]
+		nposition := grid.Get(x1, y1)
+		if level == 8 && nposition.height == 9 {
+			score++
+		}
+		if nposition.height != level+1 {
+			continue
+		}
+		score = getScore(x1, y1, nposition.height, score, grid)
+	}
+	return score
+}
+
+func getScore2(x, y, level, score int, grid *grid2d.Grid[Position]) int {
+	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
+	for _, dir := range directions {
+		x1 := x + dir[0]
+		y1 := y + dir[1]
+		nposition := grid.Get(x1, y1)
+		if level == 8 && nposition.height == 9 {
+			score++
+		}
+		if nposition.height != level+1 {
+			continue
+		}
+		score = getScore2(x1, y1, nposition.height, score, grid)
+	}
+	return score
+}
diff --git a/2024/go/day10/day10_test.go b/2024/go/day10/day10_test.go
new file mode 100644
index 0000000..5b8f7a2
--- /dev/null
+++ b/2024/go/day10/day10_test.go
@@ -0,0 +1,31 @@
+package day10
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732`)
+	require.Equal(t, 36, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732`)
+	require.Equal(t, 81, r)
+}
diff --git a/2024/go/day10/input.txt b/2024/go/day10/input.txt
new file mode 100644
index 0000000..df5bfc9
--- /dev/null
+++ b/2024/go/day10/input.txt
@@ -0,0 +1,56 @@
+43217654309879876104563234589896761012345656543098901001
+34108903212368123233472105676787851299856567832187812652
+45677814301457014312986345589876940387765678943046543743
+56789325100876525800345276430105432456566589858956769821
+65438456912963436901236187621234501223455410767349874430
+74321067803451107898547093412012982016764323101210143561
+89412210987430210789698892102123673107895214589723652678
+78601521856521345678721743089034543212345605679854781789
+66789430545678934505430654898745672212236765434765690878
+55676545038943213216765989601654981300129870121012345969
+46543216127657804389834808762347690456789983498141456452
+65454307233456934870126712354878765565210012507230987321
+54567898332110125961015645403969234674323215616546576010
+65658983021001876854324106912452128789321308723455678901
+76543212137892965348933217832141089873410419678964987652
+89862901236543501267018363101033210565566566569873788543
+89871876544345652106529854892123521454479877654012699830
+78100703454278743212434763763014672343287778943210581021
+65210212565189858906763212654985785650198961212101432010
+54321056876012567875898708783476698763267890303215678321
+87012567988703489874345679692676543294986725456574329478
+96543498589876530365210189501987650187675216987687610569
+01234567651010921234501076401236501010564307678596789876
+10389830532329854376542345321545692323403018789455430965
+21456721013456765289031234980098783410912129670320121054
+92505432565421010109120345671107654567823451061210120123
+87615443478302341018750134543234541050765962552121234984
+34322342189219650129665234789432132021894873443010965673
+45451056077828743234574343276543032134703210523457876532
+51069987456943104545987650167898749865612309610765454101
+32678678345652210698092156756547056764303458779890363232
+43010589232781306787183045876532178965210569888211274321
+56923432101090458989254234923421369878934678898302989430
+87889211078764567876360143010030450767125986567401276589
+96676305669653478985478652102141341458076803456564345676
+45435434734522780340349760123456232349883712678178737894
+80127821821011091211299854354987101016792103549069016323
+92346940910329654304587121267807652345013401232108925412
+81055432101458765643671010871018947654324589543987432101
+76567789023467010782532346965425638945695678654986540012
+05498654110567821891047897212334721032786014345678901098
+12387013223489932346156598101549889821012823216765212387
+03456323016576542345692367210678710701296954907854323456
+12345465437895431016781450123467623654387867878985401501
+21089870124326528701670101874345634565676541045621032012
+32189210065017019632543210965236730120545632456734548743
+43498349876298903545450143050159821321234012349895699654
+34567658389101232123469052101567634489234510106786789985
+99876501276788943016578769872498105672105621215021058876
+87035432365897654107689898763343234321678789334134567655
+70129641034781089898791099854232145690569245493254321567
+63238701123654178718982387763156056781410126787655010498
+54345652321073265001073456012047189872328901098546710327
+34568543434589874132569895145438976987437812361239891210
+21879654898678013203456701236327805456546521450967890123
+30968745467654320112345210987610112345545430567856543234
diff --git a/2024/go/day11/day11.go b/2024/go/day11/day11.go
new file mode 100644
index 0000000..c040fb0
--- /dev/null
+++ b/2024/go/day11/day11.go
@@ -0,0 +1,76 @@
+package day11
+
+import (
+	"adventofcode2024/utils"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+func Part1(input string) int {
+	stones := strings.Fields(input)
+	for i := 0; i < 25; i++ {
+		n_stones := []string{}
+		for _, stone := range stones {
+			switch {
+			case stone == "0":
+				n_stones = append(n_stones, "1")
+			case len(stone)%2 == 0:
+				d1 := strconv.Itoa(utils.MustAtoi(stone[0 : len(stone)/2]))
+				d2 := strconv.Itoa(utils.MustAtoi(stone[len(stone)/2:]))
+				n_stones = append(n_stones, d1)
+				n_stones = append(n_stones, d2)
+
+			default:
+				n_stones = append(n_stones, fmt.Sprintf("%d", utils.MustAtoi(stone)*2024))
+			}
+		}
+		stones = n_stones
+	}
+	return len(stones)
+}
+
+func Part2(input string) int {
+	stones := strings.Fields(input)
+	smap := make(map[string]int)
+	smap2 := make(map[string]int)
+
+	for _, stone := range stones {
+		smap[stone] = 1
+	}
+	for i:=0;i<75;i++ {
+		for k, v := range smap {
+			switch {
+			case k == "0":
+				smap2["1"] = smap2["1"] + v
+			case len(k)%2 == 0:
+				d1 := strconv.Itoa(utils.MustAtoi(k[0 : len(k)/2]))
+				d2 := strconv.Itoa(utils.MustAtoi(k[len(k)/2:]))
+				smap2[d1] += v
+				smap2[d2] += v
+			default:
+				k2 := fmt.Sprintf("%d", utils.MustAtoi(k)*2024)
+				smap2[k2] += v
+			}
+		}
+		smap = CopyMap(smap2)
+		smap2 = make(map[string]int)
+	}
+	count := 0
+	for _, v := range smap {
+		count += v
+	}
+	return count
+}
+
+func CopyMap(original map[string]int) map[string]int {
+    // Create a new map to hold the copy
+    copied := make(map[string]int)
+    
+    // Copy each key-value pair from the original map to the new map
+    for key, value := range original {
+        copied[key] = value
+    }
+    
+    return copied
+}
diff --git a/2024/go/day11/day11_test.go b/2024/go/day11/day11_test.go
new file mode 100644
index 0000000..ed2a8c3
--- /dev/null
+++ b/2024/go/day11/day11_test.go
@@ -0,0 +1,17 @@
+package day11
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1("125 17")
+	require.Equal(t, 55312, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2("125 17")
+	require.Equal(t, 55312, r)
+}
diff --git a/2024/go/day11/input.txt b/2024/go/day11/input.txt
new file mode 100644
index 0000000..c42d5d7
--- /dev/null
+++ b/2024/go/day11/input.txt
@@ -0,0 +1 @@
+3 386358 86195 85 1267 3752457 0 741
diff --git a/2024/go/day12/day12.go b/2024/go/day12/day12.go
new file mode 100644
index 0000000..447d522
--- /dev/null
+++ b/2024/go/day12/day12.go
@@ -0,0 +1,146 @@
+package day12
+
+import (
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+
+)
+
+type Plot struct {
+	crop    string
+	visited bool
+	region  int
+	x		int
+	y 		int
+}
+
+type Region struct {
+	plots      []Plot
+	crop       string
+	id         int
+	area       int
+	perimteter int
+	sides      int
+}
+
+func Part1(input string) int {
+	var val int
+	region_id := 0
+	regions := make(map[int]Region)
+	grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			var region Region
+			plot := grid.Get(x, y)
+			if plot.visited {
+				continue
+			}
+
+			region_id++
+			region = Region{id: region_id, area: 1, crop: plot.crop, sides: 4}
+			plot.region = region_id
+			plot.visited = true
+			plot.x = x
+			plot.y = y
+			grid.Set(x, y, plot)
+			region.plots = append(region.plots, plot)
+			regions[region_id] = region
+
+			try_neighours(grid, &region, x, y)
+			regions[region.id] = region
+		}
+	}
+	for _, region := range regions {
+		val += region.area * region.perimteter
+	}
+	return val
+}
+
+func Part2(input string) int {
+	var val int
+	region_id := 0
+	regions := make(map[int]Region)
+	grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			var region Region
+			plot := grid.Get(x, y)
+			if plot.visited {
+				continue
+			}
+
+			region_id++
+			region = Region{id: region_id, area: 1, crop: plot.crop}
+			plot.region = region_id
+			plot.visited = true
+			plot.x = x
+			plot.y = y
+			grid.Set(x, y, plot)
+			region.plots = append(region.plots, plot)
+			regions[region_id] = region
+
+			try_neighours(grid, &region, x, y)
+			regions[region.id] = region
+		}
+	}
+	for _, region := range regions {
+		val += region.area * get_sides(grid, region)
+	}
+	return val
+}
+
+func formatter(p Plot, x int, y int) string {
+	return fmt.Sprintf("%v", p.crop)
+}
+
+func try_neighours(grid *grid2d.Grid[Plot], region *Region, x int, y int) {
+
+	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
+	plot := grid.Get(x, y)
+	perimeters := 0
+
+	for _, dir := range directions {
+		x1 := x + dir[0]
+		y1 := y + dir[1]
+		nplot := grid.Get(x1, y1)
+
+		if nplot.crop == plot.crop {
+			if !nplot.visited {
+				region.area++
+				nplot.visited = true
+				nplot.region = plot.region
+				nplot.x = x1
+				nplot.y = y1
+				grid.Set(x1, y1, nplot)
+				region.plots = append(region.plots, nplot)
+				try_neighours(grid, region, x1, y1)
+			}
+		} else {
+			perimeters++
+		}
+	}
+}
+
+func get_sides(grid *grid2d.Grid[Plot], region Region) int {
+	sides := 0	
+	corners := [][][]int{{{-1, 0}, {0, -1}, {-1, -1}},
+					     {{+1, 0}, {0, -1}, {+1, -1}},
+					     {{-1, 0}, {0, +1}, {-1, +1}},
+					     {{+1, 0}, {0, +1}, {+1, +1}}}
+	for _, plot := range region.plots {
+		for _, o_corners := range corners {
+				c1 := grid.Get(plot.x + o_corners[0][0], plot.y + o_corners[0][1])
+				c2 := grid.Get(plot.x + o_corners[1][0], plot.y + o_corners[1][1])
+				c3 := grid.Get(plot.x + o_corners[2][0], plot.y + o_corners[2][1])
+				if c1.crop != region.crop && c2.crop != region.crop {
+					sides++
+				} else if c1.crop == region.crop && c2.crop == region.crop && c3.crop != region.crop {
+					sides++
+				}
+		}
+	}
+	return sides
+}
\ No newline at end of file
diff --git a/2024/go/day12/day12_test.go b/2024/go/day12/day12_test.go
new file mode 100644
index 0000000..1602d7c
--- /dev/null
+++ b/2024/go/day12/day12_test.go
@@ -0,0 +1,29 @@
+package day12
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`RRRRIICCFF
+RRRRIICCCF
+VVRRRCCFFF
+VVRCCCJFFF
+VVVVCJJCFE
+VVIVCCJJEE
+VVIIICJJEE
+MIIIIIJJEE
+MIIISIJEEE
+MMMISSJEEE`)
+	require.Equal(t, 1930, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`AAAA
+BBCD
+BBCC
+EEEC`)
+	require.Equal(t, 80, r)
+}
diff --git a/2024/go/day12/input.txt b/2024/go/day12/input.txt
new file mode 100644
index 0000000..d0b3daa
--- /dev/null
+++ b/2024/go/day12/input.txt
@@ -0,0 +1,140 @@
+UUUUUUUUUUUUUUUUUUUDQQQQQQQOOOOOHHSSSSSYYYYYYYYGGGGNNNNNNNNTTTTTTTTTTTTTTDDDDDDDDDDDDDDDDDDNNNCCNJJJJOOHHHDDDDDDDDDDDDDDDDDDXXMBBBBMMCCCCCCC
+UUUKUUUUUUUUUUUUUDDDDDDDQQQOOOOOOOOOSSSSSYYYYYYYYGGGGGNNNNTTTTTTTTTTTTTTTTTTTTDDDDDDIIDDDNNNNNCCNJJJOOOHDDDDDDDDDDXDDDDDDDMMMXMMMMMMMMCCCCCC
+UUUKKUUUUUUWUUUUUUDDDDDDDDDROOOOOOOWWSSSSYYYYYYYGGGGGGGQNTTTTTTTTTTTTTTTTTTTTTDDDDDDDIDIINNNNLNNNNOOOOODDDDDDDDDDXXDDDDDDDMMMMMMMMMMMMCCCCCC
+UUKKUUKKXUUUUUUUUDDDDDDDDDDDDOOOOOOOOYSSSSSYYYYYGGGGGGQQNNTTTTTTTTTTTTTTTTTTTTDDDDDIDIIIINNNNNNNNNNOOOODDDDDDDXDDXXDDDDDDDMMMMMMMMMMMMMMCCCC
+UUKKUKKKXXUQQQQUUDDDDDDDDDDDDOOOOOOOOYYYYYYYYYYYGGGGGQQIINTTTTITTTTTTTTTTTTTTTTDDDIIIIIIIINNNNNNNNNOOODDDDDDDDXXXXXXDDDDDMMMMMMMMMMMMFFFFCCC
+UKKKKKKKXKAWWWWWDDDDDDDDDDDDDOOOOUUOYYYYYYYYYYYYGGGGQQQQIIDITIIIITTTTTTTTTTTTTDDDDIIIIIIINNNNNNNNLLLLODDDDDDXXXXXXXXDXDDDMMMMMMMMMMMMFFFFCCC
+KKKKKKKKKKKWWWWKDPPDDDDDDDWWWOOOOOUUYYYYYYYYYYYYYGRQQQQQIIIIIIIIITTTTTTTTTTTDDDDDDIIIIIIIIINNNNNNNLLLLLDDDDDXXXXXXXXXXDDDDDMMMMMMMMMMFFFCCCC
+KKKKKKKKKKWWWWWWDDDDDDDDDSWWWOWOOOOUYYAYYYYYYYYYYYQQQQQIIIIIIIIOIITTTTTTTTTTDDDDIIIIIIIIIIINNNNNLNNNLLLDDDDDDXXXXIXYDDDDDDDMMMMMMMMMMFFFCFCC
+KKKKKKKKWWWWWWWWSSDSDDDDDSSWWWWOOOOUYYAYYYYYYYYYYQQQQQQIIIIIIIIIITTTTTTTTTTDDDIIIIIIIIIIIINNNNNNLLLLLLLDDDDDDXXXXIXYDDDQDDDMMMMMMMUMFFFFFFFC
+KKKKKKKWWWWWWWWWSSSSDSDSSSSWWWWWOOOUYYYYYYYYYYYYYYQQQQIIIIIIIIIIIIIXXXXXTTTTDIIIIIIIIIIIKINNLNNNLLLLZLLLLDDVDXXXXXYYDDQQDDTMMYYYMMUUUFFFFFCC
+KKKKKKKKWWWWWWWWWWSSSSSSSSSSWWWWWWOUYPPPPPYYYYYYQQPQQQQAIIIIIIIIISSXXXXXXXTTDIIIIIIIIIIIIIIILLLLLLLLZZLLLDDDXXXXXXXYYDXXXYMMMYYYYMPUUFFFFFFC
+KKKKKKKKWWWWWWWWWWBBBBSSSSSWWWWWWWSSPPPPWWWWWWAYPPPPQAAAAITTIIIIIXXXXXXXUTTXXXIIIIIIIIIIIIIOLLLLLLLLZZLLLLLLLLXXXXYYXXXXXXXXRPPPPPPPPPFFCCFC
+KKKKKKDWWWWWWWWWWWDDBBBSSSSWWWWWWWWSSPPPPWWWWWWWPPPPPAAAAIIIIIIIIXXXXXXXXXDXXIIIIIIIIIIIIIIOLLLLLLLZZZZZZLLLLNXNNXNYYYXXXXXXPPPPPPPPPPFFCCCC
+KKKKKKWWWWWWWWWWWWBBBBBBBSSSWWWWWWWSSSSPPWWWWWWWPPPPPAAAAAAIIIIIIIXXUUUUUUXXXXIIIIIIIIIIIIIILLLLLLLZZZZZZZLLLNNNNNNYYYXXXXXXPPPPPPPPPPCFCCCC
+KTKQQKWWWWWWWWWWBWBBBBBBBSBSWWWWWSSSSSPPPWWWWWWWWPPPPPPAAFAIIYYYUUUUUUUUUUUXXXQQQIIIXXXXXXXXXXLLLLLZZZZZZZZZLNNNNNNYYXXXXXXXPPPPPPPPPPCCCCCC
+QQKAQQWWWWWWWWWWBWBBBBBBBBBSWWWSSSSSSSSPPWWWWWWWPPPPPPPPPPYYYYYYUUUUUUUUUUUQXQQQQQQIXXXXXXXXXXLZLLEZZZZZZZZZLNNPNNNYYXXXXXPXPPPPPPPPPPPCCCCC
+QQQQQQQWWWWWWWWWBBBBBBBBBBVWWWDDSSSSSSSSSPWWWPPPPPPPPPPPPPYYYYYYUUUUUUUUUUUUUUUUQQIIXXXXXXXXXXLZZZZZZZZZZZZLLUUUUUUUUXXXXXPPPPPPPPPPPPCCCCCC
+QQQQQQQQWWWWWWWWBBBBMMMBBBMWWWDSSSSSSSSSSPPPPPPPPPPPPPPPYYYYYYYBYYXXXXXUUUUUUUUUOIIIIZZZZZLLLZZZZZZZZZZZZZZZZIIIIUUUUUXPPXPPPPPPPPPPYYCCCCCC
+QQQQQQQQQWWZZZWMMMMMMMMMBMMWWDDSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYXXXXXXUUUUUUUUUOOIIIZZZZLLLLLZZZZZFFFFFFFFFHHHIUUUUUPPPPPPPYPPYPPPYYYCCCCCC
+QQQQQQLQQQWWZZZMMMMMMMMMMMHHWSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYYXXXXXXXUUUUUUUUUOIIIIIZLLLLLLZZZZZZFFFFFFFFFHHHIUMUUUPPPPPPPYYYYYYYYYYYCCCYC
+QQQQQLLQLLZZZZMMMMMMMMMMMMMMWSSSSSSSSSSSPPPPPPPPPBYPPPYYYYYYYYYYYYXXXXXUUUUUUUUUIIIIIIIILLZZZZZZZZZFFFFFFFFFHHFFFFQUULLPPPPPQYYYYYRYYYYYYYYY
+QQQLLLLLLLLZZZMMMMMMMMMMMMMMNMSSSSSSSSSSVVPPPPPPBBYYYYYYYYYYYYYYYYYXXXXUUUUUUUUUOIIIIILLLLZZZZZZZZZFFFFFFFFFFFFFFFFUUMMPPPPPYYYYYYYYYYYYYYAA
+QQQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSSSVVPPPBBBBBBYYYGGGGGGGGGYYYYYYYYUUUUUUUUUIIIIILLLLZZZZZZZZZZFFFFFFFFFFFFFFFFMMMOPPPPGYYYYYYYYYYYYYYYA
+QQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSRRSVVVVVVBBBBBYYYGGGGGGGGGYYYYYYYXUUUUUUUUUIIIIILLLLLZZZZZZZZZZZHHZZHHFFFFFFFFMMMMMPPPYYYYYYYYYYYYYYYYY
+QQLLLLLLLLLZZZMMMMMMMMMMMMMMMSSSSSSRRRRSVVVVVBBBBBBBYYGGGGGGGGGYYYYYYEEUUUUUUUUUIIIIILLLLLBZZZZZZZZZZHHHHHHFFFFFFFFMMMMMMPIIYYYYYYYYYYYYYYYY
+QQQLLLLLLZZZZZZMMMMMMMMMMMMMFSSSSSSRRRRRRVVVVVVVVBBYGGGGGGGGGGGYYXYYYEEEEEEEEEEEIEIILLLLLLZZZZZZZZZZZZHHHHHFFFFFFFFMMMMMMPPIIYYYYYYYYYUUYYYU
+QQQQQQGLLLLPPPMMMMMMMMMMMMMMMSRSSSRRRRRRVVVVVVVVBBBQGGGGGGGGGGGGGGYXXXEEEEEEEEEEEEELLLLLHZZZZZZZZZZZXZHHHHHFFFFFFFFMMMMIIIIIYYYYYYYYYYUUUUYU
+QQQQQQQQQLKPPPPIIMMMMMMMMMUUUURRSRRRURRRVVVVVVVVVBQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJEELLLHHHHHHHHHZZDDZZZHHHHHFFFFFFFFQMMMQQIIIIYUUUUYYYYUUUUUU
+JJQQQTQQQKKKPPPPPQQMUUMUUUUUURRRSRUUURRRUUUVVVUVVVQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJJJLLHHTTHHHHHHYYYDDDZHHHHHFFFFFFFFQMMMQQQQQUUUUUUUUUUUUUUUU
+JJJJQTTQKKKPPPPPPQQQUUUUUUUCURRRRRRUUURRUUUVUUUUVVQQGGGGGGGGGGGGGGXXXXZEEEEEEEEEJJJJJHTTTTHHHHHHYDDDDHHHHHHMMQQQHQQQQMQQQQQUUUUUUUUUUUUUUUUU
+JJJJJTTTPKKPPPPPPPQUUUUUUUUUUURRRRRRUUUUUUUVUUUUUVVQGGGGGGGGGGGGGGXXXXZEZZZZEEEJJJJJTTTTTTTTHHHHYYYMMHHHMHHMMMQQQQQQQQQQQQQUUUUUUUUUUUVUUUUU
+JJJJJTTPPPPPPPPPPPPUUUUUUUUUURRRRRRUUUUUUUUUUUUUUVVUGGGGGGGGGGGGGGXXRRZZZZZZEEDDDJJTTTTTTTTHHHHHYMMMMHMHMMMMMMMQLLLQLQQQQQQUUUUUUUUUVUVVUUUU
+JJJJJJJPPPPPPPPPPPUUUUUUUUUUURRRRPRRRUUUUUUUUUUUUVVUGGGGGGGGGGGGGGZRRRRRRRDDDDDDDJJJZTTTTTTTHHYYYYMMMMMHHMMMMMLLLLLLLLQQSQQSSUUUUBBBVVVVVUUU
+JJJJJBBPPPPPPPPPPPUUUUUUUUUUUURRRPPCCUUUUUUUUUUUUUUUGGGGGGGGGGGGZZRRRRRRRBDDDDDDDJJJTTTTTTTTYHYYYYYYUMMMHMMMMLLLLLLLLLLLSSSSUUUUBVVVVVVZVUUU
+JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURRPPPCCGUUUUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRYDDDDDDJJTTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLSSSSSSUUUBVVVVVVVVVUU
+JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURUPPPCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDJTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLLSSSSSSSSSEEEEVVVVVVVU
+JJJJBBBBQQQPPPPPPPUUUUUUUUUUUUUUPPCCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDTTTTTTTTTTYYYYYYYOYMMMMMMMMMMMMMLLLLLLSSSSSSEEUEEEVEEVQQVQ
+JJJJJBBBBQQQPPPPUUUUUUUUUUUUUUPPPPCCCCCCCCCFFUUUUUUUQGGGGGGEEKKKKZZRRRRRRRRRDDDDHDTTTTTTTTTTTTYYYYYYYMMMMMMMMMMMMMMMSSSSSSSSSSEEEEEEEEQQQQQQ
+JJJJBBBBBQQQQQPPUHHWUUUUUUUUUUPPPPCCCCCCCCCFFUUEUUMUQGGGGGGEEEKKKZRRRRRRRRRRRHDDHDDDTTBTTTTTTTYYYYYYYYMMMMMMMMMMMMSSSSSSSSSSSEEEEEEEEEEQQQQQ
+JJHBBBBBQQQQQPPPPHHWWUUUUUUUUPPPPPCCCCCCCCCCAUUEUUUUQGGGGGGEKKKKPRRRRRRRRRRRRHHHHHDTTTTTNTTTTTTTXYYAAYYMMMMMMMMMMMGGSGGGOOOSOOOEEEEEEEEEQQQQ
+JHHHBBBBQQQQQPPPPHHWWUUUWWWUPPPPPPPPCCCCCCAAAAAEEEUUUGGGGGGCKKKKKKKRRRRRRRRRRHHHHHDTWWTTNNNTTTXXXYAAAAMMMMMMMMMMMGGGGGGJOOOOOOEEEEEEEEEEQQQE
+HHHHBBBUQQQQQPPPPWHWWWUWWWWUPPPPPPPPPPCCCCAAAAAEEEEEEGGGGGGCKKKKKKKRRRRRRRRRGGHHHHHHWWNNNNNNTXXXXXXAAAAAMMMMMMMMGGGGGGJJOOOOOOEEEEEEEEEEEQEE
+HHHHHBBBBQQQPPPPWWWWWWWWWWWWWPPPPPPPPPCCCAAAAAEEEEEECCCCCCCCKKKUKKRRRRRRRRRRRGHHHHHWWDDDNNNNTTXNNNNVAAAAAMWMMMMMGGGGGGJJOOOODEEEEEEEEEEEEEEE
+HHHHHHHHUQQUPPPPWWBWWWWWWWWWWPPPPPPPPPCCAAAAAAAEEEEECCCCCCCCCKKKKRRRRRRRREKKKKKDHHHWDDDDNNNNNNNNNNNNNAAAAAMMMMPMMEGGGEOOOOOOEEEEEEEEEEEEEEEE
+HHHHUHHHUQQUUPPPSUUWWWWWWWWWWPPPPPPPPPPCJPBAATTTTTEEEERRCCCCRRKKKKRRRRRRRRKKKKKKNHHWDDDDDNNNNNNNNFFNNAAAAAAAAMPMEEGGGEOOOOOOVVVEEEEEEEEEEEEE
+HHHHUUUUUUUUUUVVUUWWWWWWWWWWWPPPPPPPPPPPPPAATTTTTTEEEERRUCCCCRKKKKKKRRRKKKKKKDDJDDDWDDDDDNNNNNNNNNNNAAAAAAAAAMMAEEEGGEEOOOOOOVVSESSSSEEEEEEE
+HHHHHUUUUUUUUUUUUUWWWWWWWWWWWPPPPPLTTPPPPPPTTTTTTTTTEERRRCCCCRRKKKKKRRKKKKKKKDDDDDDDDDDDDDDNNNNNNNNNAAAAAAAAMMAAEEEEGEEEEEOOVVSSSSSSSEEEEEEE
+HHHHHHHHHUUUUUUUUUWWWWWWWWWWLLLLLLLTTPPPPPPTTTTTTTTTEERRPCERRRRRKKKKKKKKKKKMKLDDDEDDDBBBBBBBNNNNNNNNNAAAAAAAAAAAAAEEEEEEEEOOVVSSSSSSSSSSEGGE
+HHHHHHHUUUUUUUUUXUWWWWWWWWWWLLLLLLLTTTPPPTTTTTTTTTTTERRRRRRRRRRRRKKKKKKKKMKMLLLDDDDDDBBBBBBBNNNNNNANAAAAAAAAAAAAAAEEEEEEEEEESSFSSSSSSSSSESGG
+HHHHHHHUUUUUUUUXXXXWWWWWWLLLLLLLLLTTTTTTTTQTTTTTTTTTTRRRRRRRRRRRKKMMKKKKKMMMMMLLDDDDDBBBBBBBNNNNNNNAAAAAAAAAAAAAAAKKEEEEEEEESSSSSSSSSSSSSSGG
+HHHHHUUUUUUUUUUXXXXXWWWXLLLLLLLLLLTTTTTQQQQTTTTTTTTTTTRRRRRRRRRRRKMMMKKKKMMMMMMDDDDDDBBBBBBBNNNNNNNNNAAAAAAAAAKKKKKKEEEEEEEEESSSSSSSSSQSNQGG
+HHHKKUUUUKUUUWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQTQQQTTTTTTRRRRRRRRRRRRMMMMKKKKMMMMMMDDDDDDBBBBBBBDNNNNNNNBBBBBBBAAAAKKKKKKKEEEEEEEESSSSSSSSQQQQGG
+HHHHKKLKAKKUWWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQQQQTTTTTTTRRRRRRRRRRRRMMMMMKMMMMMMMMQQDDDDBBBBBBBNNNNNNNNBBBBBBBAAAAKKKKKKEEEEEEEESSSSSSSSSQGQQGG
+HHHHHKKKKKKUWWWWWXXXXXXXXLLLLLLLLLQVQQQQQQQQQQQTTTTTRRRRRRRRRRRNNMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBNABBBBBBBAAAAKKKKKKEEEEEENEESSSSSSQSQQQQGQ
+HHHHKKKKKKKRWWWWWWXXXXXXXLLLLLLIILIQQQQQQQQQQQQQTTTTRRRRRRRRRRRNMMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAKKKKKKEEEENNNNSSSSSSSQQQQQQQQ
+HMHHKKKKKKKRWWWWWXXXXXXXXLLLLLLIIIIQQQQQQQQQQQQQTTTRRRGRRRRRRRRNMMMMMMMMMMMMMMZQZZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAAAKKKKEEENNNNNSSSNSSSQQQQQQQQ
+MMKKKKKKKKKWWWWWWXXXXXXXXLLLLLLLLIIIQQQQQQQQQQQQQQTRRRRKKRRRRRNNMMMMMMMMMMMMBBZZZZZZDBBBBBBBBBBBBBBBBBBBBBBAAIIAKKKKKKKENNNNNNNSNSSUUQQQQQQQ
+NMMMMKKKKKKWWWWWWWXXXXXLLLLLLLLLLLLIIQQQQQQQQQQQQEEERRIIKRRRRNNNMMMMMMMMMMMMMBZZZZZZZBBBBBBBBBBBBBBBBBBBBBBNIIIKKKKKKKKKKNNNNNNNNSUUQVQQQQQQ
+MMMKKKKKKKKWWWWWWXXXXXXXXRRRRJXXXLIIQQAQQQQQQQQQQEEEEEIIIIINNNNNNMMMMMMMMMMMBBZZZZZZZDSSBBBBBBBBBBBBBBBNNNEEIIIKKKKKIKKNNNNNNNNNNNQQQQQQQQQQ
+MFMIFFKKKKKKWWWWWWXXXXXXRRRRJJJXXQQQQQQQQQQQQQQQQEEEEEEEIINNNNNNNNNNMMMMMMMBBBBBZZZZZDZZBBBBBBBBBBBBBBBNNNIIIIIKKKIKIINNNNNNNNNNNQQQQQQQQQQQ
+FFBIFFFKKKKKWWWWWWXXXXXXWWRRRJJXXXXQQQQQQQQQQQQQQEEEEEIIIINNNNNNNNNNNMMMMMMMBBBCBZZZZZZZBBBBBBBBBBBNNNNNNIIIIIIIIIIIIINNNNNNNNNNNNNQQQQQQQQQ
+FFBBBFFFFKKKYWWWXXXXXXVWWWRRRJXXXXXXXQQQQIQQQUQQUUEUEEIIIIIIINNINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBIINNNNIIIIIIIIIIIIIIINNNNNNNNNNNNNHQQQQQQ
+FBBBBFFFFFFFFWWWXXXXXXXWWWRWWXXXXXXDDPPPQQUUUUUQUUUUIIIIIIIIIIIINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBINNNNNIIIEIIIIIIIIIIIINNNNNWNNNNNNHQZQQQQ
+BBBBBFFFFFFFEEEQXXXXXXXXWWWWWXWXXXXDDPPZZUUUUUUUUUUUIIIIIIIIIIIINNNNNNMBBBBBBBBBBBBZZZZZZZBBBBBBBBBIIIIEEEEEEIIIIIIIIIIIWWWWWUWWNWNNNNQZZDDD
+BBBBBFFFFFEEEEEQXNNXXXWWWWWWWWWWXDDDDQQUUUUUUUUUUUHBIIIIIIIIIIIBNNNNNNBBBBBBBBBBBBZZZZZZZZBBBBBBBBBIIIIIEEEEEIIIIIIIIIIIWWWWUWWWWWNNNNNZDDDD
+BBBBBBFFFFFEEEEEENNNNWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBIIIIIIIIIIIBNNNNNBBBBBBBBBBBBDBBZZZZZZBBBBBBBBBIIIIEEEEEEEEEIIIIIIIWWWWWWWWWWWNNNZZZDDDD
+BBBBBBBEFFFEEEEEENENNNWWWWXXXXXXXXXXDDDDDDDDUUUUBBBBBIIIIIIIILBBBNBNNNNBBBBBBBBBBBBZZZZZZZBBBBBIIIIIIEEEEEEEEEEEIIIIIIIWWWWWWWWWWWZZZZZZDDDD
+BBBBBBEEEYEEEEEELEEENNWWWWXXXXXXXXXXDDDDDDUUUUUUUBBBBIIIIIIIIIBBBBBBBBBBBBBBBBBBBBBBZZZZZZHHHUUUIIIIIENEEEEEEEEEIIIIMMMWWWWWWWWWWWZZZZZZZZDD
+BBBBBBBEEEEEEEEEEEEENWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBBIIIIIEIIBBBBBBBTTBBBBBBBBBBBBBZZZZZZZHUUUUUUUIIEEEEEEEEEEEEEMMMMMMMWWWWXXXXXWZZIJZZZZDZ
+BBBBBBBBBEEEEEEEEEEEELXXXXXXXXXXXXXXDDDDDDUUUUUUUBTUBIIIIIIIBBBBBBBBTBBBBBBBBBBBBBZZZZZZZZUUUUUUUUIIIELEEEEEEEEEEMMMLWWMWXXXXXXXXXZIIIIIZZDZ
+BBBBBBBBBEEEEEEEEEEEEEXXXXXXXXXXXXXXDRRDZAUUUUUUUUUUUNNNNIMBBBBBBBBBBBBBBBBBBBBOOBZZZZZZZZZUUUUUUUUUEEEEEEEEEEEEEMMMLLWWWXXXXXXXXXZIIPIZZZZZ
+BBBBBBBBBBEEEEEEEEEEEWXXXXXXXXXXXXXXDRRDAAAUUUUUUUUMMMNMNNMBBBBBBBBBBBRNBBBBBVNOZZZZZZZZUUUUUUUUUUUUUEEEEEEEELELLMMLLLWWWXXXXXXXXXZIIIIIIZZZ
+BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAARAUUUUUUUMMMMMMMMBBBBBBBBBBBRNNBBNNNNOOZZZNNZUUUUUUUUUUUUUUUUEEEEEELLLLMLLLLWWWXXXXXXXXXZIIIIIIZZZ
+BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAAAAAUUUUUUMMMMMMMMBBBBBBBBBBRRNNNNNNNNOONZZNNZUUUUUUUUUUUUUZEEEEEEEELLLLLLLLVWWWXXXXXXXXXIIIIIIIIIZ
+BBBBBBLLLLLLLLXXEEEVEKXXXXXXXXXXXXXXWVVVVVVAAAAUUUUMMMMMMMMBBMBBBBBBBBRNNNNNNNNNNNNNNUUUUUUUUUUUUUUUEEEEEEEEELLLLLLLLLLLWXXXXXXXXXIIIJZZZZZZ
+BBBBBBLLLLLLLGLLEEEEEKXXXXXZZZZZZZWWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBNNNNNNNNNNINNNNUUUUUUUUUUUUUUJEEEEEEEELLLLLLLLLLLWWXXXXXXXXXJJJJJJJZZZ
+BBBBBBLLLLLLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBBNNNNNNNNNNNNNNUUUUUUUUUUUUVVICCELEEEELLLLLLLLLLDDWXXXXXXXXXWWJJJJZZZZ
+BLLLLLLLOOOLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVVURRUFRMMMMMMMMMBBBBBBBBNNNNNNVKKNNNNNNNNNNNUUUUIVVVVVICCCEEEEELLLLLLLLLDDDDXXXXXXXXXJJJJJJJZZZ
+BLLLLLLLOOOLLLLLLLLLLLCZZZXXXXXXXXXZVVVVVVVVVVRRRRRRRRMMMMMMMIIIBBBBBBBBVVVVVKYNNNNNNNNNNNUIIIIVVVIIIIEEEEELLLLLLLLLLDDDDDDXXXJJJJJJJJJJJZZZ
+BLLLLLLLOOOLLLLLLLLLLLLLZZXXXXXXXXXZVVVVVVVVVRRRRRRRRRRRTTTIIIIIIIBBBYYVFVVVVVYYNNNNNNNINNNIIIIVVIIIIEEEEEEEELVLLLLGLLDDDDDXXXJJJJJJJJJJJJJZ
+LLLLLLLLOOOLLLLLLLLLLLLNZZXXXXXXXXXZVVVVVVVVRRRRRRRRRRRRRRRNIIIIIBBBBYYVVVVVYYYYYYNNNNNIIIBIIIIVIIIIIBEEEDDKELVVDLLLLDDDDDDDDDJJJJJJJJJJJJJZ
+LLLLLLLLOOOLLLLLLLLLLALNZZXXXXXXXXXZVVVVVVVVKRRRRRRRRRRRRRRRRIIIIBBBBBYYYYVVYYYYYYNNNIIDIIIIIIIIIIIIIIDREDVDEVVVDLLDLDDDDDDDDJJJJJJJJJJJJJJJ
+LLLLLLLLOOOLLLLBBBLLAAZZZZZZZZZZZZZMVVVVVVVRRRRRRRRRRRRRRXRRIIIIIIIIBYYYYYVVYYYYYYNNNIIIIIIIIIIIIIIIIIDDDDDDDVVDDDDDDDDDDDQDDDJJJJJJJJJJTJJC
+LLLLLLLLOOOLLLBBBBLLLAAAAAMZZZZMZZMMMVVVVVVRCCCRRRRRRRRRRRRRIIIIIKKYYYYYYYYYYYYYYYYYNNIIIIIIIIIIIIIIIIDDDDDDDVDDDDDDDDDDDQQDDDJJJJJJJJJTTTJC
+LLLLLLLLOOOLLLLBBBLQLAAAAAMMMZZMZMMMVVVVVVVRCCCCCRRRRRRIIIRRRIIIIKKYYYYYYYYYYYYYYYYYYIIIIIIIIIIIIIIISIDDDDDDDVVDDDDDDDDDQQQDQQGJJJJJJJJGGGCC
+LLLLLLLLOOOLLLBBBBBBAAAAAAMMMMMMMMMMMVVVVVVCCCCCCRRRRRRIIIIIIIIIIIKYYYYYYYYYYYYYYYOOOIIIIIIIIIIIIIIIGIDDDDDDDDDDDDWWQQQQQQQQQQGJTJJWWWWGGGCC
+LLLLLLLLOOOLLLBBBBBBAAAAAAAMMMMMMMMMXXVVVVVCCCCCCCEEERJJJIIIIIIIIKKKKYYYYYYYYYYIIIIIIIIIIIIIIIIIIIIGGGDDDDDDDDDDIWWGQQQQQQQQTTJJTTGGGGWGGGGC
+TLLLLLLLLLLLLLBBBBBBBAAAAAAMMMMMMMMXXXVVXVVCCCCCCCEEEEAAAAAIIIIIIKKKKYYYYYYYYYYIIIIIIIGIIIIIIIIIIFGGGGDDDDDDDSDWWWGGQQQQQQQQTTTTTGGGGGGGGCCC
+TLLLLLLLLLLLLLCBBBBBBBACAAAMMMMMMMMXXXXXXXCCCCCCCCEEECAUUUUUUIIIIKKKYYYYYYYYYIIIIIIIIIGIIIIIIFFFFFGGGGDDDDDDSSSSWWWGGQQQQQQQTTTTGGGGGGGGGCCC
+ZLLLLLLEELLLLLBBBBBBBUCCCMMMMMMMMMMMXXXXXCCCCIIIIIIIIIIUUUUUUHIIKKKKYYYYYYYYYYGXIIIIIIGIIIIIIGGFFFGGGGGDDDDDSSSSSGGGGGQQQQQTTTTGGGGGGGGCCCCC
+ZZLLLZZLLLLLLLBBBSBBBBBCMMMMMMMMMMXXXXXXXXCCCIIIIIIIIIIUUUUUUHIIIIKKJYYYYYYYYGGGIIIIIGGGGIIIQGGFGGGGGGGSSSSSSSSSSSSGGQQQQQTTQTTTTGGGGGGCCCCC
+ZZZEZZZZZLLRLLCCKCBBCCCCMMMMMMMMMMMXXXXXXXCCCIIIIIIIIIIUUUUUUHHHIIKKJYYYGGAGGGGGGFGIWGGGGIIGGGGGSSSSSSSSSSSSSSSSSSGGGQQQQQQQQQTTGGGGGGGCCCCC
+ZZZZZZZZZZLLLLSCCCCCCCCCCMNNMMMMMEEXXXXXXXXCCIIIIIIIIIIUUUUUUHQHHHJJJJJYGGGGGGGGGFGGGGGGGGGGGGGGSSSSSSSSSSSSSSSSSWWWGWQQQQQQQQQTGGGGGGCCCCCC
+ZZZZZZZZSSLLLSSSCCCCCCCCMMNMMMMMMMMXXXXXXCCCTIIIIIIIIIIUUUUUUHQHHJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSSSSSSWWWWWWWWWQWQQQQWQTTGGGGGGGGCCCC
+ZZZZZZZZSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXCXXCIIIIIIIIIIQQQQQQQQQAJJJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSWWWWWWWWWWQWWWQQGGGGGGGGGCCCC
+ZZZZZZZSSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXXXXXIIIIIIIIIIIIQQQQQQAAEAJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGDDDSSSSSSSSWWWWWWWWWWWWQQQQQGOGGGGGGCCQC
+ZZZZZZZZSTTTSSSSSCCCCCCCMMMMMMMMMMXXXXXXXXXXXXXWWIIIWAIIIQQAPQQAAAAAJJJJGGGGGGMGGGGGGGGGGGGGGGGGGGGGDDDDSSSSSSSAWHWHWWWWWWWQQQQQGGGQQGGGGCQQ
+ZZZZZZZZZTTTSSSTSSCCHCCMMMMMMEMMMAXXXXXXXXXXXXWWWIIIIIIIIIAAPPPAAAAAJJJMGGGGGGMMMGGGGGGGGGBBGGGEGGGGDDBDSSSSSSSHHHHHWWWWYWWQQQQQQQQQQQQGQQQQ
+ZZZZZZZOZTTTTTTTTSCCHCHMMMEEEEEMAAXXXXXXXXXXXXWIIIIIIIIIIIAUAPAAAAAAJJJMGGGMMGMMMGGGGGGGGGGGGGEEGGGGSSSSSSSSSSSHHHHHWWWYYQQQQQQQQQQQQQQQQQQX
+ZZZZZZZOZZTTTTTTTTTHHHHHMEEEEEEEEAAXXGXJXXXXXXWIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHWHHHHQQQQQQQQQQQQQQQQQ
+ZZZZZOOOTTTTTTTTTTTTTTEHEEEEEEEEAAXXXXXJXCXXXIIIIIIIIIIIIIAAAAAAAAAAMMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHHHHHHQQQQQQQQQQQQQQQQQ
+ZZZZZOOOTTTTTTTTTTTTTTEEEEEEEEEEEAXXAAAJACCCCIIIIIIIIIIIIIAAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGGGGEEEEEEESSSSSSSSSSSHHHHHHHHHHHHQKKQQQQQQQQQQQQQQ
+OOOOOOOOOOTTTTTTTTTTTUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIFAAAAAAAAAAAMMMMMMMMMMMGGGGGGUGGGEGEEEEEEESSSSSSSSHHHHHHHHHHHHHHHHKKKKQQQQQQQQQQQQ
+OOOOOOOOOOTTTTTTTTTTUUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGEEEEEEEEEEESSSSSSSSXXHHHHHHHHHHHHHHKKKQQQQQQQQHQQQQ
+OOOOOOOOOOOTTTTTTTTTCCCESSSSSSSZEAAAAAAAEEECCSIIIIIIIIIISSAAAAAAAAAAMMMMMMMMMMMMMMGGGGOOEEEEEEEEEEEESSSSSSSSXXXHHHHHHHHHQHHHHKNPPIQQQQQHQHHH
+OOOOOOOOOOTTTTTTTTTTCCCCSSSSSSSEEEAAAACEEEESSSIIIIIIIIIISSAAAMMAAAAAMMMMMMMMMMMMMMXXGGJEEEEEEEEEEEXBSSSSSSSSXXXXHHHHHHHQQHHKKKNNPIIIQIIHHHHH
+OOOYYYYYOOTTTTTTTTTTBCCCSSSSSSSEHHHAAAEEEEESSSIIIIIIIIIITGGAMMMAAAMMMMMMMMMMMMVVVMXXXJJJJEEEEEEEEEXXSSSSSSSSXXXXXHHHHHHHHHKKKKKNNIIIIIIHHHHH
+OOYYYYYYOTTTTTTTTTUTCCCCSSSSSSSEHHHAAAEEEEEESSIIIIIIIIIITGGAMMMAAAAAMDMMMMMMMMVVXXXXXJJJJEEEEERRREXXSSSSSSSSXXXXXHHTHTKKHHKKKKKNNTIIIIIHHHHH
+OOYYYYYYOYTTTTTTTCUCCCCCSSSSSSSYYHIIIIIEEEEESSIIIIIIIIIITTTTMMMMAAADDDDMMMMMMMVVVVXXXJJJJJEEEERRRXXXBBBXXXXXXXXXHHHTTTTKKKKKKKNNNTIIIIIIHHHH
+YYYYYYYYYYTTTTTTTCCCCCCCSSSSSSSYYHIIIIIIEEEEESSSSSSSSSTTTTTJTYYYAADDDDDDVVMVVVVVVVJJJJJJJJEEEEERRXXXBBXXXXXXXXXXGGGTTTTTKKKNNNNNIIIIIIIIIHHH
+YYYYYYYYYYYYTTTYYYCCCCCCSSSSSSSSSPIIIIIEEEEEESSSSSSSTSTTTTTTTTYYYADDDDDDVVVVVVVVVVJJJJJJJJEEEERRRXXXXXXXXXXXVXVVVVGTTTUTKNNNNNNNIIIIIIIIIHHH
+YYYYYYYYIIYYYYYYYCCCCCCCCCSSSSSSSIIIIIIIEEEEEEESSSSSTTTTTTTTTTTYYYDDDDDDVVVVVVVVVVVVVJJJJJEEERRRRRRXXXXXXXXXVVVVVGGTTTTMNNNNNNNNIIIIIIIIIHHH
+YYYYYYYYHHHHHHYYYYCCCCCCCCSSSSSSSIIIIIIEEEEESESSSSSSTJTTTTTTTTYYYYYDDDDDDVVVVVVVVVVJJJJJJJEEERRRRRRRRXXXXXXXVVVVVVVVATTNNNNNNNNNIIIIIIIIHHHH
+YYYYYYYYYHHHHHHYYYCCCCCCCCSSSSSSSIIIIIGEEEEESSSSSSSSSYTTYTYYYYYYYYYDDDDDDDDVVVVVVVVJVVVVJEEERRRRRRRRRXRRXXXXVVVVVVVVAAAANNNNNNNNNIIIIIIIIHHH
+YYYYYYYDYHHHHHYYYYCCCCCCCCSSSSSSSIIIGGGEEEEEESSSSSSSSYYYYYYYYYDDDYYYDDDDSDDDVVVVVVVVVVVVVEEERRRRRRRRRRRRXXXXVVVVVVVVAAAANNNNNNNNNNIIIIUUIIHH
+YYYYYYYYHHHHHYYYYYCCCCCCCCSSSSSSSIIIIIIIPEEEEESSSSSYYYYYYYYYYYDDDDSSDSSSSVVVVVVVVVVVVVVVEEEERRRRRRRRRREEXXXVVNVVVVVVAAAANNNNNNNNNNIIIUUUUUHH
+SYSSSSYYHHHHHHYYYYCCCYCHCCSSSSSSSSSSSIHPPEEEEEEESSSYYYYYYYYDDYDDDDSSSSSSSSSVVVVVVVVVVVMMMMMMKMRRRRRRRRTEXXXXTVVVVVVAAAAAANNNNNNNNNNUIUUUUUUH
+SYSSSSYYHHHHHHYYYYYYCYIHHCSSSSSSSSSSSHHHHEEEEEESSSSAYYYYYYYDDDDDDDFSSSSSSSSSVVVVSVVMMMMMMMMMKMMRRRRRRTTEETTTTTTVVVAAAAAAANNNNNNNNNNUUUUUUUUU
+SSSSSSSSSHHHHHYYYYYYYYYHHHHSSSSSSSSSSHHHHEEEEEEAASSSHYYYYYYDDDDDFFFSSSSSSSSSSVVVSVVMMMMMMMMMMMMRTRRRRTTTTTTTTTTVAAAAAAAAANNNNNNNNNNUUUUUUUMU
+SSSSSSSHHHHHHHHHYYYYYYYYHHHSSSSHHIIIHHHHEEEEEAAAAASHHHHSYYYDDDFFFFSSSSSSSSSSSSSSSVVMMMMMMMMMMMAATRRRTTTTTTTTTTUVAAAAAAAANNNNNNNNNNNUUUUUUUUF
+SSASSSSSSHHHNHHHZZJJYTYHHHHHHHHHHHIIHHHHHHEEEAAAAAAATHXXXYYADDFFFFSSRSSSSSSSSSSSVVVMMMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUNNNNNUNUUUUUUUBBBF
+SSASSSSSSHHHHJHZZJJJYYYHHHHHHHHHHHHHHHHHHHGEEAAAAAAAAXXXXYYAAAAAAAASASSSSSSSSSSSSSVVMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUUNNUNUUUUUUUUUBBBBB
+SAAAASSSSBHHVJHHJJJJYYHHHHHHHYYHHHHHHHHHHHGAAAAAAAAAAXXXXXYYAAAAAAAAAAASSSSSSSSSVVVMMMMMMMMMMAATTTTDTTTTTTTTTTTAAAAAAAAAUUUUUNUUUUUUUUBBBBBB
+SAAAAASBBBBJJJJHJJJJYYHHHHHHYYYYYHHHHHHHHAAAAAAAAAAAAXKXXXIRAAAAAAAAASSSSSGASSSSVVVTMMMMMMMMAAAATTMDTTTTTTTXZTTAAAAAAVAAVVUUUUUXUXUUUUUHHBBH
+AAAAAASSSBJJJJJJJJJHHHHHHHHYYYYYYYYYHHHHHAAAAAAAAAAAAXXXNIIRRAAAAAAAAAAAASSAASSSSVTTMSMMMMMMMAAATTMMMMTTTXTXXTXAAAAAAVVVVEUUUUUXXXUUUUUUHHHH
+AAAAAJRJJJJJJJJJJJJHHHHHHHYYYYYYYYYYHHHHHAAAAAAAAAAAAJIIIIIRAAAAAAAAAAAAAASAAATSRVTTMMMMMMMXXXAAATPMMMKXXXXXXXXXAAAAAVVVVUUUUUXXXXXXXUUUHHHH
+AAAAARRTTJAAJJJJJJJJHHHHHHHYYYYYYYYYHHHAAAAAAAAAAAAAAJIIIIIIIIIAAAAAAAAAAAAAATTTVVTTMMMGMZZXXXXAAMMMMXXXXXXXXXXXAAAVVVVVVUUUUXXXXXXXXXHHHHHH
+AAAAARRRJJAJJJJJJJJJHHHUUUUUYYYYYYYYYYEAAAAAAAAAAAAAAAYYIIIIIIIIAAAAAAAAAAAAAATTTTTTWMMMMZZXXXAAAAMMMXXXXXXXXXXXAAAVVVVVVUVVUXXXXXXXXXXHHHHH
+AAAAAAARJAAJJJJJJJJJMPPUUUUUYYYYYYYYYYAAAAAAAAAAAAAAAAAAIIIIIIIAAAAAAAAAAAAAAATTTTTWWDDDMXXXXXXXAAAXXXXXXXXXXXXXAAVVVVVVVVVVUXXXXXXXXHHHHHHH
+AAAAAARRRAAAJJJJJJJJPPPUUUUUYYYYYYYYYYAANNAAAAAAAAAAAIAIIIIIIIIAAISAIIIAAAATAATWWTWWWWDDXXXXXXXXXXXXXXXXXXXXXKKKAAVVVVVVVVVVUXXXXXXXXHHHHHHH
+AAAAAGGRRAAAAAJJPPPJJPPUUUUUYYYYYYYYYYYOOOOROSSAAAIAAIIIIIIIIFIIAIIIIIIAAOOOAATTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKAAKVVVVVVVVVVVTXXXXXIIXXHHHHH
+AAAAAGGGRRRAAAAAAPPPPPPPPPYYYYYYYYYYYYOOOOOOOSSSSAGGGGGIIIIIFFIIIIIIIIAAOOOOOOTTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKKKKKKVVVVVVVVVVXXXXXXXEXXHHHH
+AAAAAGGARAAAAAAPPPPPPPPPPPPPYYYYYYOYYYOOOOOOOSSSSGGGGGIIIIIIIFIIIIIIIIAAOOOOOOOOWWWWWWIIXHXXXXXXXXXXXXXXXXXXXXKVVVVVVVVVVVVVVVXXXXXXXEXXHHHH
+AAAAAGGAAAAAAAAPPPPPPPPPPPPPPPYYOOOOOYOOOOOOOOOSSGGGGGGIIIIIIIIIIIIIIIOOOOOOHHHHWWWWWWIIXHXXXXXXXXXLXXXXXXXXXXXZZVVVVVVVVVVVVVVXXXXXXXXXHHHH
+AAAGGGAAAAAAAAPPPPPPNNNPPPPPPPPPPOOOOOOOOOOOOOCGGGGGGGGGIIIIIIIIIIIIIIIQIOOOHHHHHWWWWWWIJHHXXXXXXXXXXXXXXXXXXHXZZVVVVVVVVVVVVVVXXXXXYYXXHHHH
+GAAGGGGAAAAAAAAAPJJNNNNPNPPPPPPPNOOOOOOOOOOOOOCGGGGGGGGGGGIIIIIIIIIIIIIIIOHHHHHHHWIWIIIIJHHXXXXXXXXXXXXXXXZZXXZZZVVVVVVVVVVVVVVYXYYYYYYYEEHH
+GGGGGGGGAAAAAAAAAJJNNNNNNPPPPPPPPOOOOOOOOOOUOOOGGGGGGGGGGINIIIIIIIIIIIIIIIIHHHHHHHIIIIJJJHHXXXXXXJXXXXXXXXXZZZZZVVVVVSSSZVVZVVVYYYYYYEEEEHHH
+GGGGGGGGGAAAAAAAAJJNNNNNNPPPPPPPPPPOOOOOOOOUUUGGGGGGGGGGGIIIIIIIIIIIIIIIIHHHHHHHHIIIIIIJJJHXXXXXXXWXXFXXXXZZZZZZVZZVVVVVZZZZZVYYYYEYYEEAEHHH
+GGGGGGGGAAAAAAAAAAJNNNNNNNPNPPPPXXXOOOOOOOOOUUGGGGGGGGGGGGIIIIIIIIIIIIHHIIHHHHHHHHHIIIIJJJHXXXXXXXWXFFFXXXXZZZZZZZZZZZVZZZZZZZYYYYEEEEEEHHHH
+GGGGGGGGGGGAAAJJJJJNNNNNNNNNPPPXXXXOOXXOOOOOGGGGGGGGGGGGGGGGIIIIIIIIIIIHHHHHHHHHHHHHHHHHHHHHXXXXXXXXXFFFFXXZZZZZZZZZZZZZZZZZZZZZYYEEEEEHHHHH
diff --git a/2024/go/day13/day13.go b/2024/go/day13/day13.go
new file mode 100644
index 0000000..5f90897
--- /dev/null
+++ b/2024/go/day13/day13.go
@@ -0,0 +1,58 @@
+package day13
+
+import (
+	"adventofcode2024/utils"
+	_ "adventofcode2024/utils/grid2d"
+	_ "adventofcode2024/utils/inputs"
+	"regexp"
+	_ "fmt"
+	"strings"
+)
+
+func Part1(input string) int {
+	val := 0
+	machines := strings.Split(input, "\n\n")
+	pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
+	re := regexp.MustCompile(pattern)
+	for _, machine := range machines {
+		matches := re.FindStringSubmatch(machine)
+		a := utils.MustAtoi(matches[1])
+		b := utils.MustAtoi(matches[2])
+		c := utils.MustAtoi(matches[3])
+		d := utils.MustAtoi(matches[4])
+		X := utils.MustAtoi(matches[5])
+		Y := utils.MustAtoi(matches[6])
+//		fmt.Println(matches)
+		B := (Y*a - X*b)/(a*d - c*b)
+		A := (X - c*B)/a
+//		fmt.Printf("A: %d B: %d\n", A, B)
+		if (A*a + B*c == X && A*b + B*d == Y) {
+			val += A*3 + B
+		}
+	}
+	return val
+}
+
+func Part2(input string) int {
+	val := 0
+	machines := strings.Split(input, "\n\n")
+	pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
+	re := regexp.MustCompile(pattern)
+	for _, machine := range machines {
+		matches := re.FindStringSubmatch(machine)
+		a := utils.MustAtoi(matches[1])
+		b := utils.MustAtoi(matches[2])
+		c := utils.MustAtoi(matches[3])
+		d := utils.MustAtoi(matches[4])
+		X := utils.MustAtoi(matches[5]) + 10000000000000
+		Y := utils.MustAtoi(matches[6]) + 10000000000000
+//		fmt.Println(matches)
+		B := (Y*a - X*b)/(a*d - c*b)
+		A := (X - c*B)/a
+//		fmt.Printf("A: %d B: %d\n", A, B)
+		if (A*a + B*c == X && A*b + B*d == Y) {
+			val += A*3 + B
+		}
+	}
+	return val
+}
\ No newline at end of file
diff --git a/2024/go/day13/day13_test.go b/2024/go/day13/day13_test.go
new file mode 100644
index 0000000..5778833
--- /dev/null
+++ b/2024/go/day13/day13_test.go
@@ -0,0 +1,45 @@
+package day13
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279`)
+	require.Equal(t, 480, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279`)
+	require.Equal(t, 480, r)
+}
diff --git a/2024/go/day13/input.txt b/2024/go/day13/input.txt
new file mode 100644
index 0000000..3b53baf
--- /dev/null
+++ b/2024/go/day13/input.txt
@@ -0,0 +1,1279 @@
+Button A: X+17, Y+68
+Button B: X+62, Y+15
+Prize: X=4507, Y=17764
+
+Button A: X+19, Y+95
+Button B: X+59, Y+23
+Prize: X=6550, Y=10174
+
+Button A: X+20, Y+58
+Button B: X+60, Y+11
+Prize: X=3140, Y=4691
+
+Button A: X+92, Y+31
+Button B: X+49, Y+87
+Prize: X=6599, Y=2717
+
+Button A: X+46, Y+72
+Button B: X+29, Y+12
+Prize: X=18754, Y=13304
+
+Button A: X+42, Y+33
+Button B: X+19, Y+81
+Prize: X=3531, Y=6144
+
+Button A: X+80, Y+13
+Button B: X+20, Y+75
+Prize: X=1860, Y=3818
+
+Button A: X+79, Y+14
+Button B: X+56, Y+66
+Prize: X=6740, Y=3830
+
+Button A: X+18, Y+85
+Button B: X+70, Y+36
+Prize: X=5358, Y=5861
+
+Button A: X+42, Y+44
+Button B: X+52, Y+14
+Prize: X=6310, Y=4870
+
+Button A: X+56, Y+90
+Button B: X+88, Y+41
+Prize: X=9208, Y=8572
+
+Button A: X+95, Y+67
+Button B: X+13, Y+71
+Prize: X=3065, Y=6799
+
+Button A: X+70, Y+22
+Button B: X+13, Y+57
+Prize: X=17469, Y=5153
+
+Button A: X+36, Y+65
+Button B: X+79, Y+27
+Prize: X=5764, Y=4394
+
+Button A: X+20, Y+46
+Button B: X+67, Y+29
+Prize: X=4637, Y=10139
+
+Button A: X+47, Y+72
+Button B: X+42, Y+20
+Prize: X=1495, Y=10984
+
+Button A: X+37, Y+96
+Button B: X+70, Y+53
+Prize: X=3563, Y=6029
+
+Button A: X+20, Y+59
+Button B: X+62, Y+13
+Prize: X=5550, Y=18133
+
+Button A: X+16, Y+52
+Button B: X+70, Y+61
+Prize: X=2400, Y=5136
+
+Button A: X+70, Y+32
+Button B: X+22, Y+53
+Prize: X=320, Y=18668
+
+Button A: X+47, Y+78
+Button B: X+78, Y+17
+Prize: X=6317, Y=6323
+
+Button A: X+48, Y+33
+Button B: X+20, Y+89
+Prize: X=4296, Y=7017
+
+Button A: X+17, Y+53
+Button B: X+43, Y+14
+Prize: X=19634, Y=5590
+
+Button A: X+41, Y+95
+Button B: X+78, Y+30
+Prize: X=6816, Y=6900
+
+Button A: X+14, Y+75
+Button B: X+65, Y+12
+Prize: X=10103, Y=12239
+
+Button A: X+84, Y+69
+Button B: X+23, Y+95
+Prize: X=6178, Y=11620
+
+Button A: X+57, Y+88
+Button B: X+70, Y+33
+Prize: X=4926, Y=6479
+
+Button A: X+84, Y+34
+Button B: X+29, Y+78
+Prize: X=6138, Y=2882
+
+Button A: X+32, Y+60
+Button B: X+62, Y+29
+Prize: X=13264, Y=10848
+
+Button A: X+81, Y+69
+Button B: X+13, Y+61
+Prize: X=7893, Y=11217
+
+Button A: X+98, Y+12
+Button B: X+85, Y+85
+Prize: X=8352, Y=3708
+
+Button A: X+22, Y+91
+Button B: X+73, Y+39
+Prize: X=1457, Y=4186
+
+Button A: X+38, Y+56
+Button B: X+97, Y+16
+Prize: X=9339, Y=3480
+
+Button A: X+46, Y+13
+Button B: X+36, Y+71
+Prize: X=14918, Y=17793
+
+Button A: X+27, Y+74
+Button B: X+64, Y+13
+Prize: X=11637, Y=3584
+
+Button A: X+18, Y+58
+Button B: X+35, Y+16
+Prize: X=13544, Y=2948
+
+Button A: X+32, Y+99
+Button B: X+99, Y+16
+Prize: X=7159, Y=4441
+
+Button A: X+86, Y+49
+Button B: X+12, Y+49
+Prize: X=13188, Y=6269
+
+Button A: X+19, Y+72
+Button B: X+37, Y+27
+Prize: X=1001, Y=3114
+
+Button A: X+80, Y+39
+Button B: X+36, Y+55
+Prize: X=3848, Y=4797
+
+Button A: X+32, Y+77
+Button B: X+82, Y+21
+Prize: X=4120, Y=4977
+
+Button A: X+41, Y+64
+Button B: X+41, Y+16
+Prize: X=1829, Y=5360
+
+Button A: X+67, Y+45
+Button B: X+13, Y+29
+Prize: X=19806, Y=5416
+
+Button A: X+84, Y+13
+Button B: X+37, Y+55
+Prize: X=2852, Y=3792
+
+Button A: X+70, Y+37
+Button B: X+21, Y+52
+Prize: X=8089, Y=10953
+
+Button A: X+16, Y+57
+Button B: X+81, Y+38
+Prize: X=18875, Y=17714
+
+Button A: X+91, Y+87
+Button B: X+24, Y+97
+Prize: X=3019, Y=5182
+
+Button A: X+48, Y+60
+Button B: X+75, Y+17
+Prize: X=3267, Y=937
+
+Button A: X+78, Y+26
+Button B: X+54, Y+95
+Prize: X=10638, Y=9706
+
+Button A: X+21, Y+90
+Button B: X+65, Y+18
+Prize: X=5264, Y=4320
+
+Button A: X+14, Y+58
+Button B: X+41, Y+33
+Prize: X=931, Y=983
+
+Button A: X+22, Y+45
+Button B: X+55, Y+23
+Prize: X=18987, Y=18336
+
+Button A: X+24, Y+61
+Button B: X+75, Y+29
+Prize: X=5127, Y=5758
+
+Button A: X+49, Y+84
+Button B: X+38, Y+11
+Prize: X=3463, Y=3446
+
+Button A: X+32, Y+75
+Button B: X+54, Y+11
+Prize: X=10780, Y=933
+
+Button A: X+18, Y+84
+Button B: X+75, Y+31
+Prize: X=2577, Y=2137
+
+Button A: X+16, Y+53
+Button B: X+66, Y+24
+Prize: X=12502, Y=7650
+
+Button A: X+46, Y+75
+Button B: X+46, Y+20
+Prize: X=7598, Y=5780
+
+Button A: X+97, Y+57
+Button B: X+40, Y+75
+Prize: X=6896, Y=6936
+
+Button A: X+87, Y+49
+Button B: X+17, Y+61
+Prize: X=2245, Y=5687
+
+Button A: X+89, Y+43
+Button B: X+38, Y+88
+Prize: X=8665, Y=7181
+
+Button A: X+39, Y+94
+Button B: X+34, Y+26
+Prize: X=2237, Y=5112
+
+Button A: X+57, Y+12
+Button B: X+40, Y+71
+Prize: X=5110, Y=6395
+
+Button A: X+92, Y+13
+Button B: X+29, Y+88
+Prize: X=6278, Y=4411
+
+Button A: X+94, Y+81
+Button B: X+13, Y+64
+Prize: X=3211, Y=5882
+
+Button A: X+49, Y+34
+Button B: X+14, Y+65
+Prize: X=1939, Y=3778
+
+Button A: X+32, Y+73
+Button B: X+50, Y+12
+Prize: X=12774, Y=12247
+
+Button A: X+34, Y+97
+Button B: X+78, Y+59
+Prize: X=1364, Y=1602
+
+Button A: X+13, Y+44
+Button B: X+70, Y+41
+Prize: X=13681, Y=7491
+
+Button A: X+72, Y+44
+Button B: X+13, Y+56
+Prize: X=1078, Y=1716
+
+Button A: X+56, Y+30
+Button B: X+27, Y+58
+Prize: X=3425, Y=5100
+
+Button A: X+99, Y+18
+Button B: X+40, Y+83
+Prize: X=9389, Y=6175
+
+Button A: X+44, Y+14
+Button B: X+17, Y+66
+Prize: X=7836, Y=16974
+
+Button A: X+16, Y+58
+Button B: X+79, Y+29
+Prize: X=1201, Y=18041
+
+Button A: X+60, Y+19
+Button B: X+52, Y+73
+Prize: X=5560, Y=5718
+
+Button A: X+13, Y+51
+Button B: X+69, Y+26
+Prize: X=7423, Y=7244
+
+Button A: X+40, Y+14
+Button B: X+42, Y+60
+Prize: X=6320, Y=5836
+
+Button A: X+73, Y+29
+Button B: X+20, Y+54
+Prize: X=12274, Y=12544
+
+Button A: X+12, Y+64
+Button B: X+89, Y+95
+Prize: X=8072, Y=9640
+
+Button A: X+26, Y+49
+Button B: X+70, Y+26
+Prize: X=2276, Y=3442
+
+Button A: X+68, Y+47
+Button B: X+29, Y+69
+Prize: X=7480, Y=8499
+
+Button A: X+13, Y+28
+Button B: X+86, Y+21
+Prize: X=1826, Y=1141
+
+Button A: X+97, Y+85
+Button B: X+25, Y+88
+Prize: X=5021, Y=6647
+
+Button A: X+24, Y+50
+Button B: X+85, Y+17
+Prize: X=1952, Y=2786
+
+Button A: X+21, Y+71
+Button B: X+59, Y+21
+Prize: X=18503, Y=12693
+
+Button A: X+94, Y+58
+Button B: X+42, Y+85
+Prize: X=12332, Y=12395
+
+Button A: X+93, Y+49
+Button B: X+13, Y+40
+Prize: X=9332, Y=7370
+
+Button A: X+58, Y+44
+Button B: X+32, Y+84
+Prize: X=6696, Y=10216
+
+Button A: X+18, Y+77
+Button B: X+56, Y+51
+Prize: X=2952, Y=5840
+
+Button A: X+13, Y+76
+Button B: X+46, Y+11
+Prize: X=14558, Y=6711
+
+Button A: X+46, Y+20
+Button B: X+45, Y+70
+Prize: X=6149, Y=5750
+
+Button A: X+92, Y+39
+Button B: X+54, Y+97
+Prize: X=10056, Y=10488
+
+Button A: X+25, Y+48
+Button B: X+80, Y+50
+Prize: X=2260, Y=1542
+
+Button A: X+12, Y+52
+Button B: X+39, Y+20
+Prize: X=2225, Y=10452
+
+Button A: X+25, Y+62
+Button B: X+42, Y+15
+Prize: X=2596, Y=12552
+
+Button A: X+11, Y+39
+Button B: X+67, Y+17
+Prize: X=2192, Y=12338
+
+Button A: X+90, Y+59
+Button B: X+19, Y+57
+Prize: X=5277, Y=7602
+
+Button A: X+50, Y+34
+Button B: X+33, Y+80
+Prize: X=1245, Y=1710
+
+Button A: X+11, Y+63
+Button B: X+83, Y+12
+Prize: X=4173, Y=15554
+
+Button A: X+52, Y+97
+Button B: X+91, Y+13
+Prize: X=13091, Y=10469
+
+Button A: X+23, Y+57
+Button B: X+69, Y+36
+Prize: X=8771, Y=6614
+
+Button A: X+21, Y+40
+Button B: X+67, Y+40
+Prize: X=15512, Y=5120
+
+Button A: X+20, Y+47
+Button B: X+66, Y+22
+Prize: X=9426, Y=16922
+
+Button A: X+15, Y+37
+Button B: X+49, Y+14
+Prize: X=2334, Y=3915
+
+Button A: X+25, Y+51
+Button B: X+44, Y+17
+Prize: X=4718, Y=4386
+
+Button A: X+77, Y+30
+Button B: X+16, Y+78
+Prize: X=7755, Y=7758
+
+Button A: X+55, Y+87
+Button B: X+64, Y+15
+Prize: X=10939, Y=9456
+
+Button A: X+64, Y+17
+Button B: X+24, Y+78
+Prize: X=312, Y=3577
+
+Button A: X+15, Y+68
+Button B: X+73, Y+12
+Prize: X=708, Y=6800
+
+Button A: X+71, Y+66
+Button B: X+12, Y+42
+Prize: X=7143, Y=8028
+
+Button A: X+70, Y+24
+Button B: X+22, Y+66
+Prize: X=1930, Y=10706
+
+Button A: X+52, Y+28
+Button B: X+29, Y+47
+Prize: X=19597, Y=3007
+
+Button A: X+11, Y+24
+Button B: X+51, Y+24
+Prize: X=2230, Y=1200
+
+Button A: X+23, Y+80
+Button B: X+55, Y+15
+Prize: X=2251, Y=1130
+
+Button A: X+20, Y+42
+Button B: X+75, Y+48
+Prize: X=15760, Y=14762
+
+Button A: X+63, Y+12
+Button B: X+32, Y+77
+Prize: X=1622, Y=1319
+
+Button A: X+11, Y+20
+Button B: X+54, Y+22
+Prize: X=10462, Y=1050
+
+Button A: X+24, Y+72
+Button B: X+53, Y+12
+Prize: X=5360, Y=10304
+
+Button A: X+99, Y+52
+Button B: X+12, Y+52
+Prize: X=8937, Y=5928
+
+Button A: X+62, Y+25
+Button B: X+57, Y+95
+Prize: X=10249, Y=10110
+
+Button A: X+40, Y+99
+Button B: X+91, Y+13
+Prize: X=3050, Y=1182
+
+Button A: X+26, Y+60
+Button B: X+71, Y+38
+Prize: X=9324, Y=9448
+
+Button A: X+60, Y+88
+Button B: X+73, Y+32
+Prize: X=8559, Y=7824
+
+Button A: X+59, Y+21
+Button B: X+59, Y+75
+Prize: X=4602, Y=2070
+
+Button A: X+14, Y+48
+Button B: X+47, Y+19
+Prize: X=4601, Y=3977
+
+Button A: X+64, Y+22
+Button B: X+29, Y+65
+Prize: X=12970, Y=19186
+
+Button A: X+28, Y+19
+Button B: X+18, Y+43
+Prize: X=2002, Y=2005
+
+Button A: X+24, Y+17
+Button B: X+12, Y+30
+Prize: X=14612, Y=12593
+
+Button A: X+34, Y+54
+Button B: X+88, Y+12
+Prize: X=9576, Y=2688
+
+Button A: X+22, Y+35
+Button B: X+51, Y+17
+Prize: X=6367, Y=4806
+
+Button A: X+28, Y+53
+Button B: X+91, Y+44
+Prize: X=5194, Y=3932
+
+Button A: X+31, Y+11
+Button B: X+30, Y+69
+Prize: X=14791, Y=1482
+
+Button A: X+46, Y+94
+Button B: X+26, Y+17
+Prize: X=3028, Y=3514
+
+Button A: X+79, Y+29
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+Prize: X=2007, Y=4300
+
+Button A: X+86, Y+16
+Button B: X+31, Y+75
+Prize: X=7780, Y=5186
+
+Button A: X+21, Y+59
+Button B: X+89, Y+41
+Prize: X=2578, Y=3062
+
+Button A: X+62, Y+13
+Button B: X+34, Y+86
+Prize: X=5006, Y=6334
+
+Button A: X+75, Y+86
+Button B: X+80, Y+11
+Prize: X=6665, Y=1749
+
+Button A: X+20, Y+55
+Button B: X+59, Y+47
+Prize: X=2643, Y=3004
diff --git a/2024/go/day14/day14.go b/2024/go/day14/day14.go
new file mode 100644
index 0000000..2ed2ef6
--- /dev/null
+++ b/2024/go/day14/day14.go
@@ -0,0 +1,149 @@
+package day14
+
+import (
+	"adventofcode2024/utils"
+	grid "adventofcode2024/utils/grid2d"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+type Robot struct {
+	velocity [2]int
+}
+
+const SIZE_X = 101
+const SIZE_Y = 103
+
+func Part1(input string) int {
+	grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
+	pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
+	re := regexp.MustCompile(pattern)
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		matches := re.FindStringSubmatch(line)
+		fmt.Println(matches)
+		x := utils.MustAtoi(matches[1])
+		y := utils.MustAtoi(matches[2])
+		x1 := utils.MustAtoi(matches[3])
+		y1 := utils.MustAtoi(matches[4])
+		robots := grid.Get(x, y)
+		grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
+	}
+	fmt.Println(grid.StringWithFormatter(formatter))
+	ng := ticks(grid, 100)
+	fmt.Println(ng.StringWithFormatter(formatter))
+	
+	return get_saftey(ng)
+}
+
+func Part2(input string) int {
+	min_safe := 240096000
+	min_i := 0
+	max_safe := 0
+	max_i := 0
+	grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
+	pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
+	re := regexp.MustCompile(pattern)
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		matches := re.FindStringSubmatch(line)
+		fmt.Println(matches)
+		x := utils.MustAtoi(matches[1])
+		y := utils.MustAtoi(matches[2])
+		x1 := utils.MustAtoi(matches[3])
+		y1 := utils.MustAtoi(matches[4])
+		robots := grid.Get(x, y)
+		grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
+	}
+	fmt.Println(grid.StringWithFormatter(formatter))
+	max_safe = get_saftey(grid)
+	for i:=0;i<7380;i++ {
+		ng := ticks(grid, 1)
+		safe := get_saftey(ng)
+		if safe > max_safe {
+			max_safe = safe
+			max_i = i
+		}
+		if safe < min_safe {
+			min_safe = safe
+			min_i = i
+		}
+		grid = ng
+	}
+	for i:=7380;i<7390;i++{
+		ng := ticks(grid, 1)
+		fmt.Println(ng.StringWithFormatter(formatter))
+		grid = ng
+	}
+	fmt.Println(grid.StringWithFormatter(formatter))
+	fmt.Printf("max_safe: %d max_i: %d min_safe: %d min_i:%d", max_safe, max_i, min_safe, min_i)
+	return get_saftey(grid)
+}
+
+func formatter(robots []Robot, x int, y int) string {
+	if len(robots) == 0 {
+		return " "
+	}
+	return "*"
+}
+
+func ticks(g *grid.Grid[[]Robot], seconds int) *grid.Grid[[]Robot] {
+	ng := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
+	for y := 0; y < g.SizeY(); y++ {
+		for x := 0; x < g.SizeX(); x++ {
+			for _, robot := range g.Get(x, y) {
+				nx := x + ((robot.velocity[0] * seconds) % SIZE_X)
+				if nx < 0 {
+					nx = g.SizeX() + nx
+				}
+				if nx >= g.SizeX() {
+					nx = nx - g.SizeX()
+				}
+				ny := y + ((robot.velocity[1] * seconds) % SIZE_Y)
+				if ny < 0 {
+					ny = g.SizeY() + ny
+				}
+				if ny >= g.SizeY() {
+					ny = ny - g.SizeY()
+				}
+				robots := ng.Get(nx, ny)
+				ng.Set(nx, ny, append(robots, robot))
+			}
+		}
+	}
+	return ng
+}
+
+func get_saftey(grid *grid.Grid[[]Robot]) int {
+	robots := 0
+	val := 1
+	for y := 0; y < grid.SizeY()/2; y++ {
+		for x := 0; x < grid.SizeX()/2; x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	robots = 0
+	for y := 0; y < grid.SizeY()/2; y++ {
+		for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	robots = 0
+	for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
+		for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	robots = 0
+	for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX()/2; x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	return val
+}
\ No newline at end of file
diff --git a/2024/go/day14/day14_test.go b/2024/go/day14/day14_test.go
new file mode 100644
index 0000000..791e1d9
--- /dev/null
+++ b/2024/go/day14/day14_test.go
@@ -0,0 +1,527 @@
+package day14
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`p=0,4 v=3,-3
+p=6,3 v=-1,-3
+p=10,3 v=-1,2
+p=2,0 v=2,-1
+p=0,0 v=1,3
+p=3,0 v=-2,-2
+p=7,6 v=-1,-3
+p=3,0 v=-1,-2
+p=9,3 v=2,3
+p=7,3 v=-1,2
+p=2,4 v=2,-3
+p=9,5 v=-3,-3`)
+	require.Equal(t, 12, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`p=80,75 v=69,72
+p=88,10 v=-28,-23
+p=79,61 v=79,59
+p=37,102 v=92,-43
+p=12,22 v=-5,-95
+p=60,13 v=-30,-42
+p=3,59 v=-96,-88
+p=85,33 v=-43,-41
+p=44,14 v=63,45
+p=6,6 v=-34,-86
+p=47,102 v=12,42
+p=36,88 v=-88,-93
+p=78,27 v=-18,52
+p=96,64 v=-62,-34
+p=49,99 v=-78,-15
+p=57,31 v=-80,21
+p=25,57 v=8,-84
+p=69,20 v=81,61
+p=80,5 v=-11,-30
+p=2,35 v=-85,77
+p=9,12 v=-4,36
+p=37,68 v=12,-69
+p=47,88 v=-8,-90
+p=72,68 v=59,-86
+p=55,38 v=-68,-94
+p=60,58 v=41,37
+p=76,87 v=-1,-18
+p=89,9 v=38,92
+p=100,67 v=17,-53
+p=83,73 v=80,32
+p=77,19 v=-54,-20
+p=10,86 v=-65,36
+p=13,88 v=-64,-84
+p=50,29 v=-17,-29
+p=79,38 v=89,-57
+p=55,57 v=-68,22
+p=71,82 v=-80,52
+p=37,83 v=-68,-43
+p=25,5 v=81,-22
+p=83,54 v=-32,-75
+p=27,95 v=-77,-55
+p=70,97 v=-72,-4
+p=3,84 v=-60,-60
+p=16,29 v=-35,99
+p=39,39 v=37,-38
+p=76,94 v=90,60
+p=18,21 v=-86,-26
+p=22,84 v=-16,66
+p=45,83 v=-40,-43
+p=35,52 v=54,3
+p=30,21 v=14,36
+p=69,61 v=69,-66
+p=52,22 v=-28,33
+p=9,21 v=-85,-73
+p=87,32 v=79,52
+p=28,85 v=-35,85
+p=32,58 v=-49,89
+p=22,75 v=85,44
+p=45,19 v=-88,61
+p=97,59 v=98,-75
+p=70,81 v=82,7
+p=97,102 v=-23,-8
+p=92,68 v=89,72
+p=24,42 v=-63,-97
+p=21,64 v=-45,-47
+p=58,3 v=-69,51
+p=33,68 v=19,-20
+p=27,6 v=-89,-21
+p=28,81 v=-67,-8
+p=59,83 v=-66,-82
+p=3,14 v=-3,-1
+p=19,65 v=15,-25
+p=57,37 v=53,-29
+p=36,84 v=-4,-84
+p=55,96 v=82,-21
+p=68,101 v=51,51
+p=68,8 v=-90,-30
+p=78,51 v=-51,-63
+p=4,55 v=-63,97
+p=100,60 v=76,-13
+p=7,91 v=-96,-73
+p=97,17 v=-54,33
+p=85,60 v=69,-3
+p=20,39 v=96,-85
+p=24,12 v=86,-84
+p=34,7 v=-7,-36
+p=30,69 v=-67,97
+p=65,17 v=20,33
+p=39,101 v=-7,-83
+p=38,51 v=-90,-4
+p=99,61 v=-13,59
+p=30,1 v=-67,-96
+p=1,89 v=-85,-83
+p=8,1 v=68,4
+p=89,89 v=-52,85
+p=81,5 v=-55,71
+p=99,60 v=-94,-72
+p=68,70 v=-10,78
+p=81,18 v=89,-95
+p=47,61 v=-39,56
+p=91,71 v=85,59
+p=28,66 v=44,-28
+p=10,64 v=-59,-4
+p=84,10 v=-32,-11
+p=29,52 v=-37,34
+p=78,43 v=-92,12
+p=85,3 v=-71,4
+p=37,85 v=-46,-84
+p=56,21 v=21,-32
+p=17,17 v=15,17
+p=26,87 v=45,-93
+p=57,21 v=-6,40
+p=95,48 v=-33,59
+p=38,59 v=65,-72
+p=59,85 v=-50,-99
+p=17,21 v=86,-45
+p=53,3 v=-28,-46
+p=1,40 v=-54,-91
+p=61,13 v=-40,83
+p=33,35 v=-72,-96
+p=40,14 v=33,-8
+p=29,89 v=53,-59
+p=74,0 v=-22,-42
+p=12,32 v=-65,-4
+p=82,89 v=-12,20
+p=35,71 v=-40,20
+p=14,5 v=95,83
+p=46,44 v=39,92
+p=25,54 v=-66,-47
+p=91,78 v=64,53
+p=14,9 v=25,67
+p=39,29 v=-29,8
+p=20,100 v=95,51
+p=59,41 v=92,-82
+p=15,92 v=93,-73
+p=42,93 v=3,-86
+p=82,93 v=-21,-96
+p=50,9 v=12,-39
+p=81,22 v=-13,99
+p=72,81 v=-51,-93
+p=88,19 v=-72,-14
+p=8,93 v=-85,-15
+p=54,2 v=61,8
+p=44,81 v=66,41
+p=78,10 v=90,8
+p=19,53 v=68,4
+p=80,43 v=9,46
+p=11,38 v=-66,88
+p=31,3 v=4,-2
+p=49,28 v=-74,21
+p=27,15 v=54,-88
+p=96,87 v=-50,-67
+p=94,94 v=-5,-97
+p=16,89 v=73,23
+p=93,32 v=-53,93
+p=47,17 v=-29,92
+p=10,78 v=16,35
+p=55,33 v=-60,-17
+p=55,73 v=-68,-22
+p=100,62 v=17,-69
+p=67,91 v=-49,45
+p=68,53 v=-42,-41
+p=35,73 v=54,47
+p=20,63 v=-85,-12
+p=23,16 v=-87,33
+p=70,55 v=50,-16
+p=92,6 v=41,-59
+p=9,97 v=-37,47
+p=48,48 v=42,40
+p=96,37 v=-90,32
+p=66,13 v=-60,91
+p=62,46 v=-50,18
+p=11,15 v=98,77
+p=42,78 v=1,47
+p=10,40 v=15,-48
+p=88,44 v=7,-75
+p=27,53 v=-70,-9
+p=21,7 v=-56,96
+p=92,81 v=-22,69
+p=57,65 v=92,-34
+p=85,63 v=77,11
+p=92,2 v=-30,21
+p=59,16 v=73,-70
+p=16,11 v=86,-89
+p=82,16 v=80,-36
+p=41,30 v=-49,19
+p=13,6 v=14,73
+p=67,99 v=-91,51
+p=37,20 v=-65,-37
+p=85,16 v=99,-14
+p=1,39 v=-44,56
+p=37,29 v=74,5
+p=44,51 v=-18,93
+p=43,9 v=-55,-84
+p=5,10 v=-65,26
+p=51,90 v=-59,-96
+p=55,98 v=-9,23
+p=0,94 v=88,-49
+p=91,43 v=-14,-72
+p=93,43 v=-69,-94
+p=84,100 v=-12,54
+p=23,46 v=85,78
+p=79,37 v=39,-10
+p=1,23 v=99,-79
+p=73,50 v=-51,84
+p=78,58 v=-31,-16
+p=75,44 v=69,71
+p=27,5 v=-87,14
+p=95,91 v=-33,63
+p=22,94 v=-5,-37
+p=36,11 v=-5,-60
+p=18,3 v=-64,-27
+p=44,14 v=24,-92
+p=96,40 v=65,-92
+p=47,1 v=84,25
+p=93,22 v=68,-48
+p=14,32 v=-24,37
+p=99,17 v=78,-89
+p=53,36 v=10,58
+p=44,44 v=-78,-60
+p=15,28 v=-96,-20
+p=96,61 v=-81,-45
+p=58,87 v=-9,7
+p=20,43 v=84,-22
+p=50,42 v=-18,68
+p=74,23 v=-12,42
+p=12,57 v=-94,-94
+p=49,49 v=-89,40
+p=47,98 v=-67,-8
+p=84,17 v=-62,11
+p=31,6 v=-57,-42
+p=28,67 v=66,-81
+p=0,3 v=-88,-13
+p=51,76 v=82,76
+p=67,81 v=87,-14
+p=84,78 v=39,41
+p=39,74 v=72,35
+p=30,10 v=64,-77
+p=10,31 v=11,-4
+p=6,90 v=-4,76
+p=90,24 v=-2,-23
+p=8,39 v=-57,-27
+p=31,69 v=93,-25
+p=79,38 v=39,-35
+p=69,31 v=70,30
+p=1,16 v=7,73
+p=46,9 v=-99,-70
+p=53,16 v=-94,-84
+p=32,60 v=33,-69
+p=62,22 v=-99,-4
+p=66,3 v=98,20
+p=4,76 v=46,-75
+p=50,71 v=-90,22
+p=57,12 v=31,-15
+p=59,84 v=-50,-65
+p=33,0 v=76,-48
+p=58,76 v=-30,44
+p=6,69 v=6,35
+p=74,91 v=-61,-43
+p=36,92 v=-58,60
+p=2,78 v=-48,-98
+p=43,91 v=53,76
+p=34,101 v=-77,79
+p=40,44 v=-68,28
+p=71,64 v=47,-48
+p=54,7 v=84,15
+p=54,75 v=-60,-31
+p=14,40 v=86,12
+p=80,29 v=-92,-26
+p=8,47 v=-33,-69
+p=2,41 v=12,-9
+p=39,60 v=-38,59
+p=13,22 v=86,-20
+p=25,12 v=-57,11
+p=60,47 v=96,96
+p=50,51 v=-48,-82
+p=85,40 v=89,74
+p=99,4 v=-94,-21
+p=75,7 v=29,-73
+p=28,58 v=-80,24
+p=46,94 v=-9,56
+p=24,65 v=-76,62
+p=50,2 v=-20,70
+p=85,55 v=-5,66
+p=38,11 v=43,36
+p=53,54 v=53,24
+p=18,45 v=65,96
+p=94,22 v=16,80
+p=79,28 v=75,-69
+p=30,38 v=-15,-29
+p=5,23 v=-4,49
+p=8,98 v=96,-99
+p=7,60 v=-14,47
+p=96,17 v=88,-73
+p=48,23 v=-41,35
+p=17,31 v=-26,-23
+p=13,52 v=66,37
+p=58,19 v=41,55
+p=25,9 v=-77,-89
+p=3,92 v=55,-80
+p=74,95 v=20,-77
+p=26,70 v=43,72
+p=54,4 v=96,-18
+p=63,8 v=-97,49
+p=23,51 v=87,-75
+p=24,18 v=85,36
+p=8,52 v=6,-13
+p=97,50 v=17,-72
+p=47,66 v=-25,6
+p=38,78 v=3,-93
+p=62,6 v=5,77
+p=56,74 v=-70,-6
+p=94,99 v=9,34
+p=19,92 v=-18,26
+p=35,54 v=-47,-69
+p=92,8 v=-13,42
+p=47,86 v=12,-90
+p=12,83 v=-68,2
+p=0,18 v=-75,-89
+p=11,99 v=-99,14
+p=88,20 v=62,21
+p=27,53 v=53,-47
+p=17,44 v=-5,-91
+p=57,10 v=66,-65
+p=66,95 v=-71,-12
+p=38,21 v=23,95
+p=68,69 v=-31,35
+p=87,71 v=50,72
+p=98,12 v=47,33
+p=94,21 v=66,51
+p=53,97 v=-16,-93
+p=59,35 v=6,39
+p=12,88 v=-86,88
+p=85,16 v=39,8
+p=38,85 v=35,80
+p=44,9 v=-48,11
+p=71,18 v=-82,39
+p=85,14 v=-74,-73
+p=88,22 v=-42,36
+p=8,6 v=-58,38
+p=21,58 v=-66,9
+p=25,17 v=-68,95
+p=89,16 v=-34,-86
+p=33,54 v=64,-88
+p=57,8 v=54,51
+p=40,18 v=-98,58
+p=91,22 v=-34,-53
+p=75,81 v=-70,26
+p=89,70 v=-2,69
+p=62,6 v=-1,-92
+p=78,24 v=-82,-42
+p=47,7 v=-75,83
+p=86,8 v=-63,95
+p=80,64 v=-36,-79
+p=69,95 v=-30,29
+p=46,86 v=85,20
+p=76,35 v=-82,-51
+p=33,15 v=-17,55
+p=40,58 v=-2,-11
+p=76,31 v=39,2
+p=46,82 v=-15,-45
+p=14,53 v=36,-16
+p=98,66 v=68,-3
+p=83,38 v=35,-87
+p=41,9 v=53,70
+p=35,33 v=-68,-68
+p=53,66 v=62,97
+p=75,80 v=49,-62
+p=66,70 v=-50,47
+p=78,80 v=7,64
+p=82,16 v=85,-81
+p=58,25 v=11,-70
+p=36,72 v=33,72
+p=66,92 v=-91,10
+p=24,52 v=-98,22
+p=74,7 v=-36,-79
+p=46,26 v=-61,-90
+p=52,24 v=53,-88
+p=92,26 v=31,78
+p=60,52 v=80,-81
+p=82,78 v=-81,-49
+p=10,3 v=-15,-55
+p=91,31 v=99,77
+p=75,50 v=-91,40
+p=49,71 v=93,91
+p=1,94 v=-54,54
+p=96,50 v=39,18
+p=0,3 v=-53,33
+p=34,9 v=-17,-8
+p=96,28 v=68,-63
+p=25,4 v=66,21
+p=94,74 v=82,-89
+p=47,66 v=-17,87
+p=58,23 v=63,83
+p=13,82 v=-74,75
+p=29,85 v=40,79
+p=57,7 v=50,83
+p=7,88 v=-37,-16
+p=81,61 v=-10,34
+p=6,32 v=33,-60
+p=63,7 v=1,98
+p=59,29 v=-31,-85
+p=85,91 v=19,-18
+p=22,39 v=21,90
+p=25,13 v=75,89
+p=14,100 v=-27,30
+p=33,6 v=97,-53
+p=84,83 v=-22,38
+p=100,69 v=77,-38
+p=2,67 v=-14,-25
+p=71,71 v=-53,73
+p=9,43 v=-52,98
+p=55,76 v=-60,94
+p=49,91 v=-35,-95
+p=77,68 v=26,12
+p=41,91 v=-17,-15
+p=1,69 v=-44,72
+p=32,61 v=4,59
+p=94,12 v=-33,30
+p=1,35 v=96,49
+p=72,64 v=-61,-53
+p=76,93 v=38,-37
+p=97,9 v=33,61
+p=60,32 v=80,18
+p=16,68 v=15,-29
+p=99,72 v=66,44
+p=99,18 v=56,99
+p=42,11 v=-88,11
+p=57,69 v=-2,-2
+p=39,57 v=26,-51
+p=34,15 v=73,42
+p=56,55 v=-61,-75
+p=89,1 v=67,-27
+p=21,100 v=5,70
+p=85,11 v=-35,63
+p=16,35 v=47,-63
+p=98,0 v=93,-2
+p=51,89 v=-9,85
+p=50,32 v=84,-42
+p=29,63 v=78,-76
+p=92,86 v=89,10
+p=27,11 v=-77,51
+p=65,21 v=-59,68
+p=84,68 v=20,-50
+p=19,2 v=-24,-36
+p=25,78 v=25,-85
+p=90,92 v=59,-87
+p=70,100 v=10,-52
+p=48,78 v=3,54
+p=85,81 v=30,44
+p=53,65 v=41,-67
+p=13,95 v=82,-29
+p=5,19 v=95,75
+p=37,96 v=-68,26
+p=83,16 v=-5,-9
+p=31,17 v=4,-20
+p=83,34 v=-83,-76
+p=50,88 v=93,-5
+p=66,36 v=-30,58
+p=11,29 v=-44,83
+p=31,31 v=-77,-51
+p=26,85 v=14,-18
+p=8,76 v=65,69
+p=60,70 v=-40,47
+p=69,70 v=22,64
+p=85,53 v=18,12
+p=97,93 v=-58,-57
+p=52,83 v=92,-9
+p=20,92 v=30,50
+p=88,73 v=32,3
+p=83,16 v=-42,-14
+p=57,89 v=-29,20
+p=50,19 v=73,8
+p=8,101 v=-94,-68
+p=12,77 v=-4,-84
+p=63,28 v=-84,91
+p=46,25 v=13,-95
+p=93,21 v=88,-26
+p=10,54 v=-24,72
+p=69,16 v=-92,-30
+p=26,68 v=21,97
+p=56,30 v=-90,-51
+p=62,69 v=-1,-50
+p=7,6 v=55,-39
+p=63,78 v=76,92
+p=57,55 v=-51,-19
+p=70,62 v=18,37
+p=88,26 v=-61,82
+p=80,50 v=-73,99
+p=40,1 v=-78,86
+p=35,85 v=81,-12
+p=17,74 v=56,47
+p=36,99 v=64,-15
+p=56,18 v=-29,-14
+p=42,44 v=-18,46
+p=84,4 v=-63,-2
+p=97,75 v=27,-62
+p=47,71 v=54,-50
+p=26,101 v=-67,-83
+p=30,74 v=-57,66`)
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day14/input.txt b/2024/go/day14/input.txt
new file mode 100644
index 0000000..179e1e7
--- /dev/null
+++ b/2024/go/day14/input.txt
@@ -0,0 +1,500 @@
+p=80,75 v=69,72
+p=88,10 v=-28,-23
+p=79,61 v=79,59
+p=37,102 v=92,-43
+p=12,22 v=-5,-95
+p=60,13 v=-30,-42
+p=3,59 v=-96,-88
+p=85,33 v=-43,-41
+p=44,14 v=63,45
+p=6,6 v=-34,-86
+p=47,102 v=12,42
+p=36,88 v=-88,-93
+p=78,27 v=-18,52
+p=96,64 v=-62,-34
+p=49,99 v=-78,-15
+p=57,31 v=-80,21
+p=25,57 v=8,-84
+p=69,20 v=81,61
+p=80,5 v=-11,-30
+p=2,35 v=-85,77
+p=9,12 v=-4,36
+p=37,68 v=12,-69
+p=47,88 v=-8,-90
+p=72,68 v=59,-86
+p=55,38 v=-68,-94
+p=60,58 v=41,37
+p=76,87 v=-1,-18
+p=89,9 v=38,92
+p=100,67 v=17,-53
+p=83,73 v=80,32
+p=77,19 v=-54,-20
+p=10,86 v=-65,36
+p=13,88 v=-64,-84
+p=50,29 v=-17,-29
+p=79,38 v=89,-57
+p=55,57 v=-68,22
+p=71,82 v=-80,52
+p=37,83 v=-68,-43
+p=25,5 v=81,-22
+p=83,54 v=-32,-75
+p=27,95 v=-77,-55
+p=70,97 v=-72,-4
+p=3,84 v=-60,-60
+p=16,29 v=-35,99
+p=39,39 v=37,-38
+p=76,94 v=90,60
+p=18,21 v=-86,-26
+p=22,84 v=-16,66
+p=45,83 v=-40,-43
+p=35,52 v=54,3
+p=30,21 v=14,36
+p=69,61 v=69,-66
+p=52,22 v=-28,33
+p=9,21 v=-85,-73
+p=87,32 v=79,52
+p=28,85 v=-35,85
+p=32,58 v=-49,89
+p=22,75 v=85,44
+p=45,19 v=-88,61
+p=97,59 v=98,-75
+p=70,81 v=82,7
+p=97,102 v=-23,-8
+p=92,68 v=89,72
+p=24,42 v=-63,-97
+p=21,64 v=-45,-47
+p=58,3 v=-69,51
+p=33,68 v=19,-20
+p=27,6 v=-89,-21
+p=28,81 v=-67,-8
+p=59,83 v=-66,-82
+p=3,14 v=-3,-1
+p=19,65 v=15,-25
+p=57,37 v=53,-29
+p=36,84 v=-4,-84
+p=55,96 v=82,-21
+p=68,101 v=51,51
+p=68,8 v=-90,-30
+p=78,51 v=-51,-63
+p=4,55 v=-63,97
+p=100,60 v=76,-13
+p=7,91 v=-96,-73
+p=97,17 v=-54,33
+p=85,60 v=69,-3
+p=20,39 v=96,-85
+p=24,12 v=86,-84
+p=34,7 v=-7,-36
+p=30,69 v=-67,97
+p=65,17 v=20,33
+p=39,101 v=-7,-83
+p=38,51 v=-90,-4
+p=99,61 v=-13,59
+p=30,1 v=-67,-96
+p=1,89 v=-85,-83
+p=8,1 v=68,4
+p=89,89 v=-52,85
+p=81,5 v=-55,71
+p=99,60 v=-94,-72
+p=68,70 v=-10,78
+p=81,18 v=89,-95
+p=47,61 v=-39,56
+p=91,71 v=85,59
+p=28,66 v=44,-28
+p=10,64 v=-59,-4
+p=84,10 v=-32,-11
+p=29,52 v=-37,34
+p=78,43 v=-92,12
+p=85,3 v=-71,4
+p=37,85 v=-46,-84
+p=56,21 v=21,-32
+p=17,17 v=15,17
+p=26,87 v=45,-93
+p=57,21 v=-6,40
+p=95,48 v=-33,59
+p=38,59 v=65,-72
+p=59,85 v=-50,-99
+p=17,21 v=86,-45
+p=53,3 v=-28,-46
+p=1,40 v=-54,-91
+p=61,13 v=-40,83
+p=33,35 v=-72,-96
+p=40,14 v=33,-8
+p=29,89 v=53,-59
+p=74,0 v=-22,-42
+p=12,32 v=-65,-4
+p=82,89 v=-12,20
+p=35,71 v=-40,20
+p=14,5 v=95,83
+p=46,44 v=39,92
+p=25,54 v=-66,-47
+p=91,78 v=64,53
+p=14,9 v=25,67
+p=39,29 v=-29,8
+p=20,100 v=95,51
+p=59,41 v=92,-82
+p=15,92 v=93,-73
+p=42,93 v=3,-86
+p=82,93 v=-21,-96
+p=50,9 v=12,-39
+p=81,22 v=-13,99
+p=72,81 v=-51,-93
+p=88,19 v=-72,-14
+p=8,93 v=-85,-15
+p=54,2 v=61,8
+p=44,81 v=66,41
+p=78,10 v=90,8
+p=19,53 v=68,4
+p=80,43 v=9,46
+p=11,38 v=-66,88
+p=31,3 v=4,-2
+p=49,28 v=-74,21
+p=27,15 v=54,-88
+p=96,87 v=-50,-67
+p=94,94 v=-5,-97
+p=16,89 v=73,23
+p=93,32 v=-53,93
+p=47,17 v=-29,92
+p=10,78 v=16,35
+p=55,33 v=-60,-17
+p=55,73 v=-68,-22
+p=100,62 v=17,-69
+p=67,91 v=-49,45
+p=68,53 v=-42,-41
+p=35,73 v=54,47
+p=20,63 v=-85,-12
+p=23,16 v=-87,33
+p=70,55 v=50,-16
+p=92,6 v=41,-59
+p=9,97 v=-37,47
+p=48,48 v=42,40
+p=96,37 v=-90,32
+p=66,13 v=-60,91
+p=62,46 v=-50,18
+p=11,15 v=98,77
+p=42,78 v=1,47
+p=10,40 v=15,-48
+p=88,44 v=7,-75
+p=27,53 v=-70,-9
+p=21,7 v=-56,96
+p=92,81 v=-22,69
+p=57,65 v=92,-34
+p=85,63 v=77,11
+p=92,2 v=-30,21
+p=59,16 v=73,-70
+p=16,11 v=86,-89
+p=82,16 v=80,-36
+p=41,30 v=-49,19
+p=13,6 v=14,73
+p=67,99 v=-91,51
+p=37,20 v=-65,-37
+p=85,16 v=99,-14
+p=1,39 v=-44,56
+p=37,29 v=74,5
+p=44,51 v=-18,93
+p=43,9 v=-55,-84
+p=5,10 v=-65,26
+p=51,90 v=-59,-96
+p=55,98 v=-9,23
+p=0,94 v=88,-49
+p=91,43 v=-14,-72
+p=93,43 v=-69,-94
+p=84,100 v=-12,54
+p=23,46 v=85,78
+p=79,37 v=39,-10
+p=1,23 v=99,-79
+p=73,50 v=-51,84
+p=78,58 v=-31,-16
+p=75,44 v=69,71
+p=27,5 v=-87,14
+p=95,91 v=-33,63
+p=22,94 v=-5,-37
+p=36,11 v=-5,-60
+p=18,3 v=-64,-27
+p=44,14 v=24,-92
+p=96,40 v=65,-92
+p=47,1 v=84,25
+p=93,22 v=68,-48
+p=14,32 v=-24,37
+p=99,17 v=78,-89
+p=53,36 v=10,58
+p=44,44 v=-78,-60
+p=15,28 v=-96,-20
+p=96,61 v=-81,-45
+p=58,87 v=-9,7
+p=20,43 v=84,-22
+p=50,42 v=-18,68
+p=74,23 v=-12,42
+p=12,57 v=-94,-94
+p=49,49 v=-89,40
+p=47,98 v=-67,-8
+p=84,17 v=-62,11
+p=31,6 v=-57,-42
+p=28,67 v=66,-81
+p=0,3 v=-88,-13
+p=51,76 v=82,76
+p=67,81 v=87,-14
+p=84,78 v=39,41
+p=39,74 v=72,35
+p=30,10 v=64,-77
+p=10,31 v=11,-4
+p=6,90 v=-4,76
+p=90,24 v=-2,-23
+p=8,39 v=-57,-27
+p=31,69 v=93,-25
+p=79,38 v=39,-35
+p=69,31 v=70,30
+p=1,16 v=7,73
+p=46,9 v=-99,-70
+p=53,16 v=-94,-84
+p=32,60 v=33,-69
+p=62,22 v=-99,-4
+p=66,3 v=98,20
+p=4,76 v=46,-75
+p=50,71 v=-90,22
+p=57,12 v=31,-15
+p=59,84 v=-50,-65
+p=33,0 v=76,-48
+p=58,76 v=-30,44
+p=6,69 v=6,35
+p=74,91 v=-61,-43
+p=36,92 v=-58,60
+p=2,78 v=-48,-98
+p=43,91 v=53,76
+p=34,101 v=-77,79
+p=40,44 v=-68,28
+p=71,64 v=47,-48
+p=54,7 v=84,15
+p=54,75 v=-60,-31
+p=14,40 v=86,12
+p=80,29 v=-92,-26
+p=8,47 v=-33,-69
+p=2,41 v=12,-9
+p=39,60 v=-38,59
+p=13,22 v=86,-20
+p=25,12 v=-57,11
+p=60,47 v=96,96
+p=50,51 v=-48,-82
+p=85,40 v=89,74
+p=99,4 v=-94,-21
+p=75,7 v=29,-73
+p=28,58 v=-80,24
+p=46,94 v=-9,56
+p=24,65 v=-76,62
+p=50,2 v=-20,70
+p=85,55 v=-5,66
+p=38,11 v=43,36
+p=53,54 v=53,24
+p=18,45 v=65,96
+p=94,22 v=16,80
+p=79,28 v=75,-69
+p=30,38 v=-15,-29
+p=5,23 v=-4,49
+p=8,98 v=96,-99
+p=7,60 v=-14,47
+p=96,17 v=88,-73
+p=48,23 v=-41,35
+p=17,31 v=-26,-23
+p=13,52 v=66,37
+p=58,19 v=41,55
+p=25,9 v=-77,-89
+p=3,92 v=55,-80
+p=74,95 v=20,-77
+p=26,70 v=43,72
+p=54,4 v=96,-18
+p=63,8 v=-97,49
+p=23,51 v=87,-75
+p=24,18 v=85,36
+p=8,52 v=6,-13
+p=97,50 v=17,-72
+p=47,66 v=-25,6
+p=38,78 v=3,-93
+p=62,6 v=5,77
+p=56,74 v=-70,-6
+p=94,99 v=9,34
+p=19,92 v=-18,26
+p=35,54 v=-47,-69
+p=92,8 v=-13,42
+p=47,86 v=12,-90
+p=12,83 v=-68,2
+p=0,18 v=-75,-89
+p=11,99 v=-99,14
+p=88,20 v=62,21
+p=27,53 v=53,-47
+p=17,44 v=-5,-91
+p=57,10 v=66,-65
+p=66,95 v=-71,-12
+p=38,21 v=23,95
+p=68,69 v=-31,35
+p=87,71 v=50,72
+p=98,12 v=47,33
+p=94,21 v=66,51
+p=53,97 v=-16,-93
+p=59,35 v=6,39
+p=12,88 v=-86,88
+p=85,16 v=39,8
+p=38,85 v=35,80
+p=44,9 v=-48,11
+p=71,18 v=-82,39
+p=85,14 v=-74,-73
+p=88,22 v=-42,36
+p=8,6 v=-58,38
+p=21,58 v=-66,9
+p=25,17 v=-68,95
+p=89,16 v=-34,-86
+p=33,54 v=64,-88
+p=57,8 v=54,51
+p=40,18 v=-98,58
+p=91,22 v=-34,-53
+p=75,81 v=-70,26
+p=89,70 v=-2,69
+p=62,6 v=-1,-92
+p=78,24 v=-82,-42
+p=47,7 v=-75,83
+p=86,8 v=-63,95
+p=80,64 v=-36,-79
+p=69,95 v=-30,29
+p=46,86 v=85,20
+p=76,35 v=-82,-51
+p=33,15 v=-17,55
+p=40,58 v=-2,-11
+p=76,31 v=39,2
+p=46,82 v=-15,-45
+p=14,53 v=36,-16
+p=98,66 v=68,-3
+p=83,38 v=35,-87
+p=41,9 v=53,70
+p=35,33 v=-68,-68
+p=53,66 v=62,97
+p=75,80 v=49,-62
+p=66,70 v=-50,47
+p=78,80 v=7,64
+p=82,16 v=85,-81
+p=58,25 v=11,-70
+p=36,72 v=33,72
+p=66,92 v=-91,10
+p=24,52 v=-98,22
+p=74,7 v=-36,-79
+p=46,26 v=-61,-90
+p=52,24 v=53,-88
+p=92,26 v=31,78
+p=60,52 v=80,-81
+p=82,78 v=-81,-49
+p=10,3 v=-15,-55
+p=91,31 v=99,77
+p=75,50 v=-91,40
+p=49,71 v=93,91
+p=1,94 v=-54,54
+p=96,50 v=39,18
+p=0,3 v=-53,33
+p=34,9 v=-17,-8
+p=96,28 v=68,-63
+p=25,4 v=66,21
+p=94,74 v=82,-89
+p=47,66 v=-17,87
+p=58,23 v=63,83
+p=13,82 v=-74,75
+p=29,85 v=40,79
+p=57,7 v=50,83
+p=7,88 v=-37,-16
+p=81,61 v=-10,34
+p=6,32 v=33,-60
+p=63,7 v=1,98
+p=59,29 v=-31,-85
+p=85,91 v=19,-18
+p=22,39 v=21,90
+p=25,13 v=75,89
+p=14,100 v=-27,30
+p=33,6 v=97,-53
+p=84,83 v=-22,38
+p=100,69 v=77,-38
+p=2,67 v=-14,-25
+p=71,71 v=-53,73
+p=9,43 v=-52,98
+p=55,76 v=-60,94
+p=49,91 v=-35,-95
+p=77,68 v=26,12
+p=41,91 v=-17,-15
+p=1,69 v=-44,72
+p=32,61 v=4,59
+p=94,12 v=-33,30
+p=1,35 v=96,49
+p=72,64 v=-61,-53
+p=76,93 v=38,-37
+p=97,9 v=33,61
+p=60,32 v=80,18
+p=16,68 v=15,-29
+p=99,72 v=66,44
+p=99,18 v=56,99
+p=42,11 v=-88,11
+p=57,69 v=-2,-2
+p=39,57 v=26,-51
+p=34,15 v=73,42
+p=56,55 v=-61,-75
+p=89,1 v=67,-27
+p=21,100 v=5,70
+p=85,11 v=-35,63
+p=16,35 v=47,-63
+p=98,0 v=93,-2
+p=51,89 v=-9,85
+p=50,32 v=84,-42
+p=29,63 v=78,-76
+p=92,86 v=89,10
+p=27,11 v=-77,51
+p=65,21 v=-59,68
+p=84,68 v=20,-50
+p=19,2 v=-24,-36
+p=25,78 v=25,-85
+p=90,92 v=59,-87
+p=70,100 v=10,-52
+p=48,78 v=3,54
+p=85,81 v=30,44
+p=53,65 v=41,-67
+p=13,95 v=82,-29
+p=5,19 v=95,75
+p=37,96 v=-68,26
+p=83,16 v=-5,-9
+p=31,17 v=4,-20
+p=83,34 v=-83,-76
+p=50,88 v=93,-5
+p=66,36 v=-30,58
+p=11,29 v=-44,83
+p=31,31 v=-77,-51
+p=26,85 v=14,-18
+p=8,76 v=65,69
+p=60,70 v=-40,47
+p=69,70 v=22,64
+p=85,53 v=18,12
+p=97,93 v=-58,-57
+p=52,83 v=92,-9
+p=20,92 v=30,50
+p=88,73 v=32,3
+p=83,16 v=-42,-14
+p=57,89 v=-29,20
+p=50,19 v=73,8
+p=8,101 v=-94,-68
+p=12,77 v=-4,-84
+p=63,28 v=-84,91
+p=46,25 v=13,-95
+p=93,21 v=88,-26
+p=10,54 v=-24,72
+p=69,16 v=-92,-30
+p=26,68 v=21,97
+p=56,30 v=-90,-51
+p=62,69 v=-1,-50
+p=7,6 v=55,-39
+p=63,78 v=76,92
+p=57,55 v=-51,-19
+p=70,62 v=18,37
+p=88,26 v=-61,82
+p=80,50 v=-73,99
+p=40,1 v=-78,86
+p=35,85 v=81,-12
+p=17,74 v=56,47
+p=36,99 v=64,-15
+p=56,18 v=-29,-14
+p=42,44 v=-18,46
+p=84,4 v=-63,-2
+p=97,75 v=27,-62
+p=47,71 v=54,-50
+p=26,101 v=-67,-83
+p=30,74 v=-57,66
diff --git a/2024/go/day15/day15.go b/2024/go/day15/day15.go
new file mode 100644
index 0000000..349865b
--- /dev/null
+++ b/2024/go/day15/day15.go
@@ -0,0 +1,119 @@
+package day15
+
+import (
+	_ "adventofcode2024/utils"
+	_ "adventofcode2024/utils/grid2d"
+	_ "adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+	_ "regexp"
+	"strings"
+
+	_ "github.com/deckarep/golang-set/v2"
+)
+
+type Loc struct {
+	x int
+	y int
+}
+
+type Queue struct {
+	elements []Loc
+}
+
+// Push adds an element to the end of the queue
+func (q *Queue) Push(value Loc) {
+	q.elements = append(q.elements, value)
+}
+
+// Pop removes an element from the front of the queue
+func (q *Queue) Pop() (Loc, bool) {
+	if len(q.elements) == 0 {
+		return Loc{}, false // Return zero and false if the queue is empty
+	}
+	value := q.elements[0]
+	q.elements = q.elements[1:] // Remove the first element
+	return value, true
+}
+
+// IsEmpty checks if the queue is empty
+func (q *Queue) IsEmpty() bool {
+	return len(q.elements) == 0
+}
+
+func Part1(input string) int {
+	var val int
+	var rloc Loc
+	in := strings.Split(input, "\n\n")
+	dirs := map[rune][2]int{
+		'<': {-1, 0},
+		'>': {1, 0},
+		'^': {0, -1},
+		'v': {0, 1},
+	}
+	grid := inputs.ToGrid2D(in[0], "\n", "", ',', func(c string) rune { return rune(c[0]) })
+	directions := strings.ReplaceAll(in[1], "\n", "")
+	fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
+	fmt.Printf("%v\n", directions)
+	found := false
+	for x := 0; x < grid.SizeX(); x++ {
+		if found {
+			break
+		}
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y) == '@' {
+				rloc = Loc{x: x, y: y}
+				found = true
+				break
+			}
+		}
+	}
+	fmt.Printf("Robot: %v\n", rloc)
+	for _, dir := range directions {
+		q := &Queue{}
+		x := rloc.x
+		y := rloc.y
+	Loop:
+		for {
+			x += dirs[dir][0]
+			y += dirs[dir][1]
+			switch grid.Get(x, y) {
+			case 'O':
+				q.Push(Loc{x: x, y: y})
+			case '.':
+				for !q.IsEmpty() {
+					grid.Set(x, y, 'O')
+					loc, _ := q.Pop()
+					fmt.Printf("%d,%d\n", loc.x, loc.y)
+					//					grid.Set(loc.x, loc.y, 'O')
+					x -= dirs[dir][0]
+					y -= dirs[dir][1]
+				}
+				grid.Set(rloc.x, rloc.y, '.')
+				rloc.x = x
+				rloc.y = y
+				grid.Set(rloc.x, rloc.y, '@')
+				break Loop
+			case '#':
+				break Loop
+			}
+		}
+		//		fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
+	}
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y) == 'O' {
+				val += (100 * y) + x
+			}
+		}
+	}
+	return val
+}
+
+func Part2(input string) int {
+	return 0
+}
+
+func formatter(p rune, x int, y int) string {
+	return string(p)
+}
diff --git a/2024/go/day15/day15_test.go b/2024/go/day15/day15_test.go
new file mode 100644
index 0000000..3abc33f
--- /dev/null
+++ b/2024/go/day15/day15_test.go
@@ -0,0 +1,57 @@
+package day15
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`##########
+#..O..O.O#
+#......O.#
+#.OO..O.O#
+#..O@..O.#
+#O#..O...#
+#O..O..O.#
+#.OO.O.OO#
+#....O...#
+##########
+
+<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
+vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
+><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
+<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
+^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
+^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
+>^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
+<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
+^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
+v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
+	require.Equal(t, 10092, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`##########
+#..O..O.O#
+#......O.#
+#.OO..O.O#
+#..O@..O.#
+#O#..O...#
+#O..O..O.#
+#.OO.O.OO#
+#....O...#
+##########
+
+<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
+vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
+><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
+<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
+^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
+^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
+>^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
+<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
+^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
+v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day15/input.txt b/2024/go/day15/input.txt
new file mode 100644
index 0000000..923444c
--- /dev/null
+++ b/2024/go/day15/input.txt
@@ -0,0 +1,71 @@
+##################################################
+#...O.#..O....##O..OO.#O..#.#.......OO...#O.#OO..#
+#O#..OO...O..O.O.....O.O.O....OO#.....O#.O.OO..O.#
+#........O....#...O......O.OO...#..O.O.#O#....O..#
+#..O.OO..O..O.#..O.O.OO.O...O...O......#O.....O..#
+#..OO.....O.OO.O#.......O.........O.....O.O.O....#
+#.O.#.O.O#......OO........O.O.....OO..O.O.O.#.#O.#
+#........#.....#.##O....O.O..OOO.......OOO.#O....#
+#.O#.#...OO.....#.......O...O...#O.O.......OO..OO#
+#.O...O..#O...#O..O.........O.O..OO..O.......O.OO#
+#O.O......O.OO..O.O.......O.OO#O.##...#....#O.O.O#
+#.O...O.OO.O....O..O.O...O...#.O....OO..O.O#O#OO.#
+#.....O.O..#O.....O.O..##O.O#OO...O...O.O.O......#
+##..O...O..OO.O.O.O..OO........#.##.........O.O..#
+#..O...O.OO..OOO.O...#..#.........#.O....OO......#
+#O....OOO.OO...O##.O.OO..O.O.....O.O.OOO....O.O.O#
+#O.O..OO.O..OO............O....O....O..OO...OO..##
+#.O...O.O.O.....O..O.O...O.#.......OOO...........#
+#O.O...O.....#..O..#O...O.O.O....O#...#.###.....O#
+#.O...O.O..#O.#.OO.......O.OO.O...O...........O..#
+##O.#O....O.#............O..O..O.....O..O..OO....#
+##..#.OO.O.OO.#.O....O...#........#........O.O...#
+#..O.OO...O....#..OO.O...........OOOO#..OO#O.....#
+#OO.O#...#..#...O#........O.OOO...OO....#O.OO#OOO#
+#...OOO............#O.#.@...O.....O#.#.O...O..O..#
+#...O...OO.#..O......O..............#OOO......OOO#
+#..#OO...O.#O......O..OO.O#...O....OO..O...O.O#O.#
+#.#.##...#O........#.O.....#O#.O.OO..OOO..#..O...#
+#.#....#...O..O#O..OOO.....#....#......O...O...#.#
+#....O....O......O.O.O..........O.O..O.O......O..#
+#.#OO#O.OO............O##.##O.O#.O...O#.........O#
+##.O.#..........#......#OOOO.OO.#.O.O.O.....O..#.#
+#O.....#OO.....O..............#...O.O..O.....OO#.#
+#O.O.O..O#OO.O.O....O..O......O..O........OO.....#
+##O....O...............................#.O.....O##
+##..O...#...O.........O#...#O...O.OO......OO.O..O#
+#O..OO.....OOOO.#......O.#OO..O.O...O.O...O.O.O#.#
+#..O.....O.O........O.....O.....O#....OO##OOO..#O#
+#O..##....OOO..O#.O....O.#...O.....O.O.O......O.O#
+#..OO.#O.......O.OO.O#O.O.....O.....OO..OO.OOOO..#
+#.#.#OO.O..O.O........O#.#...#..O.O.O.#.O..OO.O.O#
+#..O#.OO.O.#.....O...O..OO#..O...O.O#...O.....#.O#
+#.OO.OO....O.O..O..#OO.....#......#.#OO..#.#O.O#.#
+#...O....#..#......O....O..O#O...O....OO.......O.#
+#.#.....O#.......O..O..#O.OOOO..........O.O......#
+#.O.O.....OO.O.O.O..#O.O.O..O.OO....O....##.....##
+#O..#.OOO##....O.O..OOOO.O...O..O#..........O....#
+##.O##...O.O.....O.O#...O.........#...........OOO#
+#O#O.....#..O.OOO...O..OO.....OOO............#O..#
+##################################################
+
+^^<^>^^<<^v>^><^^^<v<v^>^^<><^v>v<^vv>^v<^>>v>^vv<<vv>>>>>>v^>v>^>^v<^v^<v^<^v>>^^>v<<>>^v^<v<v>v<v<v^<>>^>v^>^^^<^<v<v<<<v<^vv>^v>>v<v^>><vvv>^>v<^^vvv<>vvv<^v<>v><><^^<>v^^<^><v^><>>^^>v^<v>>^<><<^><<>v>>vvv<^^v^v^><vv>>v^^><v^<<^v>^vv<^<^<^<><>>>^><vv>>^<v^<><><^v<^<^v<^^>^<><<^<<^vv^^v<vv^^>^<^<v^v^^<v^>^v<vvv^vv<^^<^^>v>>^v>^v><v^^^v>^<^<v<^>>^><>^v<>v>^^^<^vv^^<^v<vv>><^^^v<<>>>^<^^>^<v>v>><v^v<<<v>^<vv<^<v^>^<^<v^<>^><v<>^>><<^><vv>>vv<>v^<vvv^<v><v^vv>^<<><vvv>^<><>^^v<^v<<>vv><^>><^<<v<^>^>>^^>v<^>v^>^<vv><v><<^^^^v^<>^>^v^^v<v^<v>v<><<<v>vv^v><vv^>>>v>>>>><v<vvvv<<^v>^v>^<><<<><>v<vv<v><>^vv>v<>^v^<>>v<v>>>v^>^<vv^^<v<^<^>vv^vvv^^<<>vv>^>^v>>v^^vv<^v>^^vv<>^v>^>v^^<>^^><vvvvvv<^^>^^v<>^^^<^^<>^>^v><v><<>>^<>>v>>^><^>v<v><>v^v<v><>^<<>>v>^v<vv><>^v<^>^^v>v>>^<^^^<<vvv><<v><<>vvv^v><<v^vv><^^^v^^^>v><<^^v>vv^v><v>^>^v<>>vv<<^v<v><>v><^><>>^vv><>><<vv^v<^^>><<>>v>><><vv>v^^<^<v<<^vv^<^^<v^<vv<<v<>v<>^<^<^>v^^^>>v<^^<^^^>^^>^>^>^^<><vvv>v>v<vv<^v<^>vv^<vv>v^>^<^<>v>^^>v<^>v>v>><>
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+^>vv>^^>v^>>^<vv^>><>>^<>v><<>v>v^^^>>v>>vv^^<<<>v^^<vvvv<>v<v><<>v<vv^^>>>^<>^v<<v>^<v^vv<^vvv>^^<><^<<>^<>>v^vv<v>v^<v<^^v<<><vv<^^<^<<v<^>v<v>^<v<^^v><^<v<<v<^^<v^<^>>v^<^^<<^^<<^v<><^v^^v^v^v^^>v^><^>vv>>^><^<<v<>v>v>><>^<vv<<^^>v>^<v><vv^v>^<^>>v^<v<><<>v<<v^v>v^>v<v^^<^^>v>vv^><vv>v^vvv^<>^v<v<<^<>><<vv<><<>v^vv>vv<><v^v>^><^<><^v>>v<<^^^><^>^<>v^^v^^><^^>>v^^<>v>><<vv^^v^>>v<<v<v<<^><<vv>^^^^^<<><>^vv^<><<>v>>>^><<<v>^<><>^^v^vv>>v^vvv<>><><><v<<v>^vv^v>^<^<^v>>>><^>>v>^v><<>^^<>^v^<>vv^<^<vv^vv><>^<<>v><^<^^<v<^<v^^v<>^^>^<>^^^^<^^>v<<<<v^>v>v>>^vv>vv<v^vv>v^>v^vv>v^>vv<v^>^v<>>>vv>^>>^^^>><^^v^^<^^>vv<^v>v^vv<<vv^<<vv^^<><^<v^>^<>^vv<<v^^v>^vv>vv<v><><v<>>^<<><v<v>^<<v><>v<v<^<^vv^^<^<><<>v<>v^^<>vv>^^>^vv^v<v^v^^>>^<>v^v^>vv^^^>^>><>v><>>>v>>>v>v^v^v>v<^>^<^^>v<>>^><<v^>^^<^^<^v^v>vv<v>v<^vv<v^<<v><^<<v^v^^^vv>><>^<<v^<>v^>vv^^<vv^^^^>^>^>^>><<^>>^<v>v^>v^^^v<^^^<^>>v^v<>^<><<v<v<vvv^^<^<>v><^^v^<^>>^^v^>>^<<v<<^<<v><<>v<^^^^<<^<v<>^v^^^^^>vv^>>v<^><<<v<<^<v><><v^v<vv>v^<>v>^
+^<v>^<<>^<^<<<>v^^v>v>>^^^^^^<><^^<<^^v<>^^<v^v><^>^v><v<^^^>>>><><<<^^v^<><<<><<v><^v<<^v>vvv>><^>^>^><^>^>>>v^<v><<<<<vvvv^v>^>>v^><^<vv<^>^vv>vv<^>><^^v^^vv<>^^v<>^<v>>>^^vv^^>>v^>>><<vv>v<^v^vvv>vvv>^v>^^^<><>v>v<v<>><<><^v>>>^<<^vv^^>>^<^^v^>v^<><<^>v>^v^<<><><>v^>>>v>><<^^v^vv^v<><<v^vv^>^vvvv^>^><><v^<^^^v^vv<<v>>>>v^>>^vvv^<><^v>vv<>^><><^>v>vvvv>^^><v>vvv<v>><^>^v>>^>v>^v<>>>>^^>^>v>^<vvv^^<vv<>^>^^>>><^<^^v<v<^v<^^v^>^^^^>^v>v<<v>v^vvv>><v>v^<^v^v<^v^v<^<<>^v^<>>v>v>^^<v<>vv>^v<v>><v><>^^<v><<<>v<>v>v><<<<^vv>^>>v><<v<vv<<>v<^v>v<<>><<>^><<^>>vvvv^<^v^^>>vv>><^vv<^^^>>>v^>^v>vvvv^>>v^><<^<^>^>^<v<>>v><v<><><<<^<^vv^<<<>^<<^^<<>v<>><<<>>>>^>v><vv<^>^^><><v>^><<v>v>^><vv^v<>^v<^v^v>^<^v^^><<<>v>>v^vv>^^^^v><^>><><<<v^^^<<<^<v^>^^<>vv^v^<><v>^>^<>v<^^<vv<^>>>>^>^><v<vv^^>><v><<<><^>>^v<v<^v^^vv<<v^<^<>><<>vv>><<>v^^>v>vv<^<v<^<<vv>v<^>v^v<v^<<v<v<v<^>>>^v<><<<>^v<v>^<><^v<<<v<v<<^<^^<^^>vv>>^>^>^>>v>^<^v<<<>^v^v>^<vv^v<^^^v>v<>v>v>><^<<<v>><>v^^^v^<<vv<<><^v>>><^^^v>vv>v<>v<>^^>
+>^^<^v>v<<^<v><>^^>^<>v<v^v>v>v^>^<^v^<v^<v>^>^>vv^<>><<>^v>^><vv^<<^>v^v<^^^>v<>v>><v><vv>><vv>vvv<>^^^vv<^v<^v^<^<>>v<>^<vv<>><vv<^<><<<vvvv>^<^><^<<v<v^vv>vv^>><vv^<><<<vv^<>>>^vv>v<v^v<v^<<>v^^>v^^vv<>><>^vv^<vv>>v>>^^<^^v<v<<>^>^^v<>^<vv^vvv^<<^^v^><<<<^v^^v><v<>>v^^v>^^<^<^>>v^v>^<<v<<>^v<>>^vvv<<v^^^v^v>^vv>^<<<>^^^<^^<v<<<>^vv^^^<>^^v>>><v>><<v^v>^>v<v<<^v<v^v>vv<^><>^<><>^^<v>>>^<<^>^^<>vv^vv<>v<<v>^>vvv><^<^v><v^>vv<^^^>v>>vv<>><^^<v>v^^vv>^<<^<<^>v^>v^<>^<>v^v<v^vv<><>v><^><v^<<>>^<v>^<><>>v^vv^<v<>^<^>v<>>>^>>><<><>>^<vvv^>v>^^>>v><<^^v<v><>^<<><>>>><vv^^^<<v^<<v>^>><><^>>>v^vvv^^^<><>^<^v<>>v^>>vvv>^<><v<v<^>^vv<>^v>><>><>v^v>^^>vv<^<<<v<^<^>^^^v<><^<^v>vv>^<>v<<^vv^^vvv>><>>v<<v^v<>>v^^vv^>^<<<vv>^^v<<v<<^>^>v<^^<<^vv><>>^v>^^vvvv>^<^<v^<^>v^<vv<^v<<<v>^v<v^<^>v><^^^v<>>v^v^^>v^^^^^<v<^v<>^^>^v<<><<<^vv<<^v<v<<v^v>v^<vv^><<^<<>>><<><v><<><><vv<<vvv^>vv>>^^>>>>^<v>^v^^v<vv<><<>>^<<vvv>>>>^^<>>>vv><<>>><v<v>^<^<>vv>>v^>v>^>>>^>^>>>>>>^>>><^^v><<><^vvv^>^v^>^>>^v>v^v<>^><^>v
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diff --git a/2024/go/day16/day16.go b/2024/go/day16/day16.go
new file mode 100644
index 0000000..cbf3814
--- /dev/null
+++ b/2024/go/day16/day16.go
@@ -0,0 +1,225 @@
+package day16
+
+import (
+	"adventofcode2024/utils/dijkstra"
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+	_ "strings"
+)
+
+type (
+	Vec  struct{ x, y int }
+	Dir  struct{ x, y int }
+	Cell rune
+	Move struct {
+		p Vec
+		d Dir
+	}
+	Maze struct {
+		height, width int
+		start         Vec
+		end           Vec
+		grid          *grid2d.Grid[Cell]
+	}
+)
+
+const (
+	WALL     Cell = '#'
+	CORRIDOR Cell = '.'
+	START    Cell = 'S'
+	END      Cell = 'E'
+	PATH     Cell = '*'
+)
+
+var (
+	NORTH      = Dir{0, -1}
+	EAST       = Dir{1, 0}
+	SOUTH      = Dir{0, 1}
+	WEST       = Dir{-1, 0}
+	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
+)
+
+func Part1(input string) int {
+	maze := Maze{}.Parse(input)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	data.From.Label = "EAST"
+	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
+	for _, p := range path {
+		maze.grid.Set(p.X, p.Y, PATH)
+	}
+	fmt.Println(maze)
+	return dist
+}
+func Part2(input string) int {
+	maze := Maze{}.Parse(input)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	data.From.Label = "START"
+	data.To.Label = "NORTH"
+	paths, _ := dijkstra.GetAllShortestPaths(data.From, data.To, graph)
+	bestPaths := make(map[Vec]struct{})
+	for _, path := range paths {
+		for _, node := range path {
+			bestPaths[Vec{x: node.X, y: node.Y}] = struct{}{}
+		}
+	}
+	return len(bestPaths)
+}
+
+func inputGraph(maze Maze) dijkstra.InputGraph {
+	data := dijkstra.InputGraph{}
+	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"}
+	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"}
+	for y := 0; y < maze.height; y++ {
+		for x := 0; x < maze.width; x++ {
+			if maze.grid.Get(x, y) == WALL {
+				continue
+			}
+			for _, dir := range DIRECTIONS {
+				nx, ny := x+dir.x, y+dir.y
+				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
+					continue
+				}
+				if maze.grid.Get(nx, ny) == WALL {
+					continue
+				}
+				for _, d := range getAllowedDirections(dir) {
+					ss := dirToString(dir)
+					ds := dirToString(d)
+					data.Graph = append(data.Graph, dijkstra.InputData{
+						Source:      dijkstra.Point{X: x, Y: y, Label: ss},
+						Destination: dijkstra.Point{X: nx, Y: ny, Label: ds},
+						Weight: func() int {
+							if dir == d {
+								return 1
+							} else {
+								return 1001
+							}
+						}(),
+					})
+				}
+			}
+		}
+	}
+
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(EAST)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(WEST)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(NORTH)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(SOUTH)},
+		Weight:      0,
+	})
+
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(EAST)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(WEST)},
+		Weight:      2000,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(NORTH)},
+		Weight:      1000,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(SOUTH)},
+		Weight:      1000,
+	})
+
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "EAST"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "NORTH"},
+		Weight:      1000,
+	})
+
+	return data
+}
+
+func dirToString(dir Dir) string {
+	switch dir {
+	case NORTH:
+		return "NORTH"
+	case EAST:
+		return "EAST"
+	case SOUTH:
+		return "SOUTH"
+	case WEST:
+		return "WEST"
+	default:
+		return "UNKNOWN"
+	}
+}
+
+func getAllowedDirections(direction Dir) []Dir {
+	switch direction {
+	case NORTH:
+		return []Dir{NORTH, EAST, WEST}
+	case SOUTH:
+		return []Dir{SOUTH, EAST, WEST}
+	case WEST:
+		return []Dir{WEST, NORTH, SOUTH}
+	case EAST:
+		return []Dir{EAST, NORTH, SOUTH}
+	}
+	return []Dir{}
+}
+
+func (m Maze) Parse(input string) *Maze {
+	m.grid = inputs.ToGrid2D(input, "\n", "", '?', func(c string) Cell { return Cell(c[0]) })
+	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			c := m.grid.Get(x, y)
+			switch c {
+			case WALL, CORRIDOR:
+				m.grid.Set(x, y, c)
+			case START:
+				m.grid.Set(x, y, CORRIDOR)
+				m.start = Vec{x, y}
+			case END:
+				m.grid.Set(x, y, CORRIDOR)
+				m.end = Vec{x, y}
+			}
+		}
+	}
+	return &m
+}
+
+func (m *Maze) String() string {
+	s := ""
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			if y == m.start.y && x == m.start.x {
+				s += string(START)
+			} else if y == m.end.y && x == m.end.x {
+				s += string(END)
+			} else {
+				s += string(m.grid.Get(x, y))
+			}
+		}
+		s += "\n"
+	}
+	return s
+}
diff --git a/2024/go/day16/day16_test.go b/2024/go/day16/day16_test.go
new file mode 100644
index 0000000..426b7b5
--- /dev/null
+++ b/2024/go/day16/day16_test.go
@@ -0,0 +1,47 @@
+package day16
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`###############
+#.......#....E#
+#.#.###.#.###.#
+#.....#.#...#.#
+#.###.#####.#.#
+#.#.#.......#.#
+#.#.#####.###.#
+#...........#.#
+###.#.#####.#.#
+#...#.....#.#.#
+#.#.#.###.#.#.#
+#.....#...#.#.#
+#.###.#.#.#.#.#
+#S..#.....#...#
+###############`)
+	require.Equal(t, 7036, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`#################
+#...#...#...#..E#
+#.#.#.#.#.#.#.#.#
+#.#.#.#...#...#.#
+#.#.#.#.###.#.#.#
+#...#.#.#.....#.#
+#.#.#.#.#.#####.#
+#.#...#.#.#.....#
+#.#.#####.#.###.#
+#.#.#.......#...#
+#.#.###.#####.###
+#.#.#...#.....#.#
+#.#.#.#####.###.#
+#.#.#.........#.#
+#.#.#.#########.#
+#S#.............#
+#################`)
+	require.Equal(t, 64, r)
+}
diff --git a/2024/go/day16/input.txt b/2024/go/day16/input.txt
new file mode 100644
index 0000000..67000f9
--- /dev/null
+++ b/2024/go/day16/input.txt
@@ -0,0 +1,141 @@
+#############################################################################################################################################
+#.....#.....#...#.................#...#.......#.........#...#.......#...#.......#.......#...#...#.....#...#.......................#...#....E#
+#.###.#.#.#.###.#.###.###.#######.#.#.#.#.###.#.###.###.#.#.#.###.#.###.#.#.#####.###.#.###.#.#.#.#.#.#.#.#.#####.#.###.#.#######.#.#.#.###.#
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+#############################################################################################################################################
diff --git a/2024/go/day17/day17.go b/2024/go/day17/day17.go
new file mode 100644
index 0000000..312b2d7
--- /dev/null
+++ b/2024/go/day17/day17.go
@@ -0,0 +1,91 @@
+package day17
+
+import (
+	"encoding/json"
+	"fmt"
+	"regexp"
+	"strings"
+	"golang.org/x/exp/slices"
+
+
+	"adventofcode2024/utils"
+
+)
+
+type Opcode int
+
+const (
+	adv     Opcode = 0
+	bxl		Opcode = 1
+	bst   	Opcode = 2
+	jnx     Opcode = 3
+	bxc     Opcode = 4
+	out	 	Opcode = 5
+	bdv 	Opcode = 6
+	cdv 	Opcode = 7
+
+)
+
+func Part1(input string) string {	
+	m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
+	a := utils.MustAtoi(m[0])
+	b := utils.MustAtoi(m[1])
+	c := utils.MustAtoi(m[2])
+
+	var pgm []int
+	json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
+
+	fmt.Printf("%d %d %d %v\n", a, b, c, pgm)
+	out := fmt.Sprint(run(a, b, c, pgm))
+	out = fmt.Sprint(strings.Trim(strings.ReplaceAll(out, " ", ","), "[]"))
+	return out
+}
+
+func Part2(input string) int {
+	m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
+	b := utils.MustAtoi(m[1])
+	c := utils.MustAtoi(m[2])
+
+	var pgm []int
+	json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
+
+	fmt.Printf("%d %d %v\n", b, c, pgm)
+
+	a := 0
+	for n := len(pgm) - 1; n >= 0; n-- {
+		a <<= 3
+		for !slices.Equal(run(a, b, c, pgm), pgm[n:]) {
+			a++
+		}
+	}
+	return a
+}
+
+func run(a, b, c int, pgm []int) (output []int) {
+	for ip := 0; ip < len(pgm); ip += 2 {
+		operand := pgm[ip+1]
+		combo := []int{0, 1, 2, 3, a, b, c}[operand]
+
+		switch pgm[ip] {
+		case int(adv):
+			a >>= combo
+		case int(bxl):
+			b ^= operand
+		case int(bst):
+			b = combo % 8
+		case int(jnx):
+			if a != 0 {
+				ip = operand - 2
+			}
+		case int(bxc):
+			b ^= c
+		case int(out):
+			output = append(output, combo%8)
+		case int(bdv):
+			b = a >> combo
+		case int(cdv):
+			c = a >> combo
+		}
+	}
+	return output
+}
\ No newline at end of file
diff --git a/2024/go/day17/day17_test.go b/2024/go/day17/day17_test.go
new file mode 100644
index 0000000..ba2ffcc
--- /dev/null
+++ b/2024/go/day17/day17_test.go
@@ -0,0 +1,25 @@
+package day17
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`Register A: 729
+Register B: 0
+Register C: 0
+
+Program: 0,1,5,4,3,0`)
+	require.Equal(t, "4,6,3,5,6,3,5,2,1,0", r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`Register A: 2024
+Register B: 0
+Register C: 0
+
+Program: 0,3,5,4,3,0`)
+	require.Equal(t, 117440, r)
+}
diff --git a/2024/go/day17/input.txt b/2024/go/day17/input.txt
new file mode 100644
index 0000000..9d9d9cd
--- /dev/null
+++ b/2024/go/day17/input.txt
@@ -0,0 +1,5 @@
+Register A: 61156655
+Register B: 0
+Register C: 0
+
+Program: 2,4,1,5,7,5,4,3,1,6,0,3,5,5,3,0
diff --git a/2024/go/day18/day18.go b/2024/go/day18/day18.go
new file mode 100644
index 0000000..9faee97
--- /dev/null
+++ b/2024/go/day18/day18.go
@@ -0,0 +1,126 @@
+package day18
+
+import (
+	"adventofcode2024/utils"
+	"adventofcode2024/utils/dijkstra"
+	"adventofcode2024/utils/grid2d"
+	"fmt"
+	"strings"
+)
+
+type (
+	Vec  struct{ x, y int }
+	Dir  struct{ x, y int }
+	Cell rune
+	Move struct {
+		p Vec
+		d Dir
+	}
+	Maze struct {
+		height, width int
+		start         Vec
+		end           Vec
+		grid          *grid2d.Grid[Cell]
+	}
+)
+
+const (
+	WALL     Cell = '#'
+	CORRIDOR Cell = '.'
+	START    Cell = 'S'
+	END      Cell = 'E'
+	PATH     Cell = '*'
+)
+
+var (
+	NORTH      = Dir{0, -1}
+	EAST       = Dir{1, 0}
+	SOUTH      = Dir{0, 1}
+	WEST       = Dir{-1, 0}
+	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
+)
+
+func Part1(input string) int {
+	maze := Maze{}.Parse(input, 1024)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
+	for _, p := range path {
+		maze.grid.Set(p.X, p.Y, PATH)
+	}
+	fmt.Println(maze)
+	return dist
+}
+func Part2(input string) int {
+	maze := Maze{}.Parse(input, 2877)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	_, count := dijkstra.GetShortestPath(data.From, data.To, graph)
+	return count
+}
+
+func inputGraph(maze Maze) dijkstra.InputGraph {
+	data := dijkstra.InputGraph{}
+	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y}
+	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y}
+	for y := 0; y < maze.height; y++ {
+		for x := 0; x < maze.width; x++ {
+			if maze.grid.Get(x, y) == WALL {
+				continue
+			}
+			for _, dir := range DIRECTIONS {
+				nx, ny := x+dir.x, y+dir.y
+				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
+					continue
+				}
+				if maze.grid.Get(nx, ny) == WALL {
+					continue
+				}
+				data.Graph = append(data.Graph, dijkstra.InputData{
+					Source:      dijkstra.Point{X: x, Y: y},
+					Destination: dijkstra.Point{X: nx, Y: ny},
+					Weight:      1,
+				})
+			}
+		}
+	}
+
+	return data
+}
+
+func (m Maze) Parse(input string, bytes int) *Maze {
+	m.grid = grid2d.NewGrid(71, 71, CORRIDOR)
+	for _, line := range strings.Split(input, "\n") {
+		if bytes == 0 {
+			break
+		}
+		in := strings.Split(line, ",")
+		x := utils.MustAtoi(in[0])
+		y := utils.MustAtoi(in[1])
+		m.grid.Set(x, y, WALL)
+		bytes--
+	}
+	m.start = Vec{0, 0}
+	m.end = Vec{70, 70}
+	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
+	return &m
+}
+
+func (m *Maze) String() string {
+	s := ""
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			if y == m.start.y && x == m.start.x {
+				s += string(START)
+			} else if y == m.end.y && x == m.end.x {
+				s += string(END)
+			} else {
+				s += string(m.grid.Get(x, y))
+			}
+		}
+		s += "\n"
+	}
+	return s
+}
diff --git a/2024/go/day18/day18_test.go b/2024/go/day18/day18_test.go
new file mode 100644
index 0000000..aec55d5
--- /dev/null
+++ b/2024/go/day18/day18_test.go
@@ -0,0 +1,6915 @@
+package day18
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`2,5
+20,1
+63,59
+21,29
+37,59
+33,63
+14,33
+70,15
+21,34
+62,5
+45,54
+45,60
+48,53
+33,58
+23,35
+22,3
+33,0
+63,62
+44,67
+52,55
+5,19
+42,55
+45,0
+57,3
+15,45
+41,62
+1,39
+63,19
+39,59
+39,3
+48,7
+61,65
+31,1
+54,51
+11,14
+53,62
+67,68
+65,16
+17,45
+21,24
+55,3
+30,15
+4,39
+69,19
+69,57
+41,57
+43,24
+19,11
+18,27
+3,48
+8,13
+41,66
+67,67
+61,62
+5,37
+18,19
+29,64
+13,14
+42,57
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+0,19
+67,53
+47,59
+19,3
+51,54
+53,69
+42,5
+7,26
+59,65
+50,69
+3,27
+26,9
+43,3
+17,7
+15,11
+12,31
+43,5
+50,65
+9,5
+29,3
+21,6
+65,15
+43,57
+15,37
+50,53
+67,51
+29,1
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+55,54
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+66,3
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+1,31
+26,5
+44,59
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+57,5
+2,33
+57,64
+31,2
+1,19
+5,12
+19,37
+40,67
+10,19
+21,12
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+61,56
+49,55
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+29,10
+60,63
+19,32
+66,5
+53,45
+53,49
+47,57
+26,1
+17,34
+65,7
+7,28
+41,63
+6,1
+69,69
+0,13
+5,28
+10,1
+38,67
+37,13
+3,7
+39,12
+2,15
+54,65
+35,53
+63,20
+13,30
+52,47
+13,3
+69,55
+55,61
+37,4
+7,35
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+5,3
+63,64
+40,69
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+43,64
+40,1
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+5,48
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+36,2
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+10,44
+48,48
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+46,36
+18,56
+40,18
+36,40
+24,59
+64,64
+40,11
+59,50
+14,57
+25,46
+65,0
+32,16
+24,4
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+38,50
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+66,38
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+6,58
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+58,37
+45,68
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+49,64
+24,65
+40,8
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+70,66
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+47,44
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+7,6
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+52,10
+32,10
+1,0
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+5,42
+58,10
+54,40
+41,4
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+24,56
+44,36
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+65,48
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+56,66
+40,68
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+45,42
+20,43
+50,18
+40,15
+0,6
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+14,2
+51,44
+35,48
+54,68
+7,4
+30,25
+27,36
+48,9
+42,46
+57,54
+68,55
+34,59
+58,16
+70,65
+70,14
+24,12
+46,12
+30,39
+55,2
+38,8
+62,22
+3,70
+60,40
+7,44
+9,44
+16,58
+64,2
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+46,18
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+6,18
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+63,28
+58,8
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+59,6
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+30,32
+39,56
+70,32
+67,44
+56,11
+38,6
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+55,26
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+55,8
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+60,41
+64,24
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+56,8
+16,0
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+18,50
+9,28
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+10,70
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+28,26
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+36,12
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+40,60
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+22,36
+61,10
+62,28
+51,66
+14,18
+53,56
+29,52
+63,4
+46,50
+26,69
+52,56
+21,54`)
+	require.Equal(t, 304, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`2,5
+20,1
+63,59
+21,29
+37,59
+33,63
+14,33
+70,15
+21,34
+62,5
+45,54
+45,60
+48,53
+33,58
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+39,3
+48,7
+61,65
+31,1
+54,51
+11,14
+53,62
+67,68
+65,16
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+21,24
+55,3
+30,15
+4,39
+69,19
+69,57
+41,57
+43,24
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+18,27
+3,48
+8,13
+41,66
+67,67
+61,62
+5,37
+18,19
+29,64
+13,14
+42,57
+33,67
+0,19
+67,53
+47,59
+19,3
+51,54
+53,69
+42,5
+7,26
+59,65
+50,69
+3,27
+26,9
+43,3
+17,7
+15,11
+12,31
+43,5
+50,65
+9,5
+29,3
+21,6
+65,15
+43,57
+15,37
+50,53
+67,51
+29,1
+47,7
+55,54
+52,51
+47,54
+17,26
+12,43
+65,51
+1,27
+15,22
+63,15
+7,37
+69,49
+57,59
+7,36
+60,7
+66,7
+18,35
+13,36
+21,19
+15,3
+46,9
+30,3
+53,7
+8,7
+66,3
+49,69
+35,65
+48,5
+33,6
+1,31
+26,5
+44,59
+68,13
+45,67
+9,16
+51,55
+57,5
+2,33
+57,64
+31,2
+1,19
+5,12
+19,37
+40,67
+10,19
+21,12
+3,31
+51,1
+4,29
+52,65
+47,5
+17,19
+70,47
+11,19
+57,10
+54,55
+39,53
+61,56
+49,55
+28,37
+21,30
+9,45
+43,69
+57,19
+29,10
+60,63
+19,32
+66,5
+53,45
+53,49
+47,57
+26,1
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+6,1
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+7,11
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+7,9
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+49,67
+53,65
+65,59
+67,9
+43,58
+55,51
+69,7
+6,39
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+10,37
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+31,7
+53,59
+1,10
+67,10
+65,67
+30,67
+17,1
+67,59
+31,61
+59,59
+65,69
+51,59
+61,66
+13,15
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+27,1
+65,65
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+3,39
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+23,39
+20,3
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+37,3
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+48,57
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+36,69
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+49,47
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+57,12
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+55,65
+5,24
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+5,1
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+67,63
+67,49
+68,57
+19,21
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+65,1
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+47,11
+49,61
+1,35
+59,57
+1,37
+33,1
+53,57
+59,1
+49,65
+27,15
+60,11
+61,63
+5,34
+69,15
+9,20
+66,65
+49,62
+35,3
+55,5
+4,19
+21,20
+47,67
+59,68
+24,27
+41,5
+67,3
+21,3
+47,9
+65,17
+9,47
+23,3
+41,67
+65,63
+15,29
+55,49
+3,6
+69,17
+22,17
+48,51
+33,64
+51,65
+9,27
+58,55
+25,21
+69,24
+9,22
+64,63
+19,1
+9,36
+17,27
+54,49
+38,69
+8,5
+46,67
+60,57
+68,11
+0,7
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+39,65
+27,3
+9,40
+64,57
+17,25
+3,25
+19,9
+47,8
+58,61
+23,22
+21,11
+41,7
+18,9
+11,45
+51,67
+52,3
+8,43
+9,25
+69,8
+67,11
+2,27
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+65,61
+53,5
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+18,3
+67,18
+45,9
+55,63
+15,15
+47,64
+54,3
+13,31
+19,5
+41,64
+15,16
+37,67
+53,52
+12,9
+15,4
+25,34
+43,59
+2,17
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+57,8
+16,15
+57,67
+29,0
+66,69
+19,7
+42,61
+66,15
+67,61
+51,63
+36,7
+1,16
+2,23
+66,59
+67,2
+61,64
+56,65
+56,5
+15,2
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+15,28
+49,53
+5,35
+12,3
+65,18
+69,53
+11,33
+37,2
+47,69
+57,69
+11,5
+34,7
+3,45
+63,5
+15,33
+35,1
+17,20
+23,11
+6,31
+17,35
+50,61
+51,4
+64,3
+62,55
+3,9
+49,60
+13,35
+68,69
+21,37
+44,63
+2,9
+15,7
+49,5
+67,13
+9,39
+9,33
+9,24
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+5,23
+46,55
+17,22
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+48,3
+45,13
+47,58
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+5,18
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+56,69
+43,55
+57,63
+55,10
+17,33
+53,47
+36,3
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+32,3
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+19,10
+49,1
+34,1
+10,27
+42,9
+61,2
+58,57
+13,33
+25,3
+43,2
+23,31
+24,37
+59,66
+12,29
+7,10
+31,65
+19,23
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+39,62
+53,50
+21,31
+40,55
+58,5
+23,40
+67,66
+69,59
+23,25
+39,61
+1,7
+21,1
+21,5
+57,61
+51,53
+53,51
+5,29
+69,47
+30,27
+5,14
+10,45
+18,23
+7,29
+55,60
+40,7
+49,7
+14,31
+15,25
+68,19
+57,49
+12,23
+7,30
+60,49
+50,9
+16,1
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+57,55
+15,24
+65,49
+69,25
+59,69
+28,69
+4,21
+23,36
+58,69
+69,61
+23,8
+5,8
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+9,37
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+3,11
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+36,65
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+29,5
+9,15
+61,61
+13,34
+1,1
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+45,56
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+25,53
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+47,48
+38,32
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+16,46
+10,5
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+0,14
+4,60
+10,64
+20,22
+66,37
+28,51
+27,26
+38,21
+30,43
+19,20
+0,28
+16,54
+40,46
+34,5
+56,42
+8,34
+41,68
+61,8
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+36,8
+26,36
+30,70
+36,20
+70,33
+41,2
+70,19
+5,22
+38,10
+10,40
+28,42
+42,41
+46,42
+0,23
+70,46
+24,40
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+9,60
+8,20
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+49,22
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+17,10
+68,30
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+22,15
+58,35
+69,44
+14,20
+48,22
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+51,2
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+6,30
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+5,60
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+46,0
+50,22
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+4,4
+32,36
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+36,56
+62,42
+28,23
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+39,34
+38,3
+30,12
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+18,57
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+6,50
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+4,13
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+8,70
+44,8
+70,1
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+51,50
+55,12
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+40,32
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+8,36
+59,70
+52,16
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+53,8
+14,70
+31,60
+32,4
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+64,14
+52,22
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+30,1
+48,40
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+69,40
+25,32
+50,60
+49,4
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+28,48
+42,56
+2,43
+46,6
+6,41
+43,46
+20,59
+54,6
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+0,59
+41,10
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+4,17
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+7,2
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+5,4
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+5,16
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+69,26
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+32,43
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+27,22
+54,20
+14,48
+67,26
+57,0
+4,70
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+59,20
+32,8
+34,2
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+62,44
+64,46
+20,58
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+54,69
+28,14
+0,17
+22,12
+52,0
+20,44
+34,8
+32,29
+65,30
+56,3
+26,52
+4,47
+22,1
+13,38
+62,65
+0,31
+44,42
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+48,64
+48,21
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+8,46
+4,7
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+8,2
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+11,2
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+34,51
+37,56
+18,41
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+43,44
+0,60
+1,70
+37,0
+58,12
+68,17
+66,14
+70,40
+61,58
+53,40
+60,19
+14,4
+3,20
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+68,9
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+60,5
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+58,6
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+4,0
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+1,38
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+6,32
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+8,9
+58,65
+64,21
+70,4
+5,48
+22,49
+36,2
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+48,48
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+52,10
+32,10
+1,0
+40,28
+7,52
+18,54
+5,42
+58,10
+54,40
+41,4
+10,22
+24,56
+44,36
+39,14
+12,2
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+10,4
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+50,18
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+0,6
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+14,2
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+35,48
+54,68
+7,4
+30,25
+27,36
+48,9
+42,46
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+68,55
+34,59
+58,16
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+70,14
+24,12
+46,12
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+55,2
+38,8
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+3,70
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+7,44
+9,44
+16,58
+64,2
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+23,0
+62,30
+46,18
+23,6
+27,48
+31,66
+66,30
+52,9
+29,20
+36,21
+69,10
+24,41
+8,38
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+37,66
+68,4
+34,28
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+28,70
+42,30
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+46,16
+6,8
+36,48
+8,61
+14,26
+62,0
+28,45
+46,7
+7,68
+32,40
+61,24
+32,1
+40,12
+58,2
+62,58
+0,2
+42,60
+13,68
+48,59
+6,18
+36,28
+61,0
+63,28
+58,8
+44,33
+59,6
+64,6
+12,62
+30,32
+39,56
+70,32
+67,44
+56,11
+38,6
+2,36
+60,50
+55,26
+58,66
+55,8
+48,17
+56,2
+64,0
+60,41
+64,24
+42,52
+30,13
+16,20
+30,44
+1,26
+47,34
+24,54
+56,8
+16,0
+2,32
+62,38
+70,56
+18,50
+9,28
+63,38
+30,18
+10,70
+44,25
+57,40
+28,26
+54,0
+36,12
+32,24
+44,62
+52,23
+19,54
+45,30
+51,68
+8,8
+48,62
+40,60
+48,6
+48,69
+22,36
+61,10
+62,28
+51,66
+14,18
+53,56
+29,52
+63,4
+46,50
+26,69
+52,56
+21,54`)
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day18/input.txt b/2024/go/day18/input.txt
new file mode 100644
index 0000000..3b8f63e
--- /dev/null
+++ b/2024/go/day18/input.txt
@@ -0,0 +1,3450 @@
+2,5
+20,1
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+37,59
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+1,62
+51,34
+40,49
+28,38
+51,62
+8,54
+45,58
+5,10
+12,15
+68,8
+26,22
+35,34
+58,32
+32,34
+10,10
+6,7
+38,42
+62,57
+52,6
+40,22
+62,70
+58,6
+50,48
+41,46
+52,18
+60,2
+25,70
+5,0
+50,6
+39,2
+2,4
+62,45
+48,23
+57,34
+55,66
+18,14
+9,52
+24,22
+54,60
+49,52
+12,54
+54,14
+63,44
+56,64
+4,0
+20,50
+18,64
+1,18
+14,41
+16,35
+29,2
+66,52
+12,50
+42,68
+34,24
+56,57
+66,32
+57,60
+28,8
+22,66
+32,32
+52,58
+50,42
+4,36
+16,32
+65,58
+56,20
+42,0
+17,4
+34,68
+49,36
+32,58
+68,50
+19,16
+6,70
+40,38
+60,37
+50,49
+34,40
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+5,36
+52,19
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+24,50
+55,36
+46,69
+64,18
+44,0
+27,10
+68,32
+60,13
+12,17
+10,34
+18,18
+70,52
+10,8
+12,38
+16,70
+8,9
+58,65
+64,21
+70,4
+5,48
+22,49
+36,2
+18,30
+41,6
+10,44
+48,48
+60,14
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+18,56
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+36,40
+24,59
+64,64
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+59,50
+14,57
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+65,0
+32,16
+24,4
+40,34
+50,36
+38,50
+20,30
+66,38
+14,40
+70,62
+6,58
+12,28
+62,60
+68,28
+36,29
+58,37
+45,68
+22,22
+40,65
+49,64
+24,65
+40,8
+0,12
+40,64
+70,66
+23,62
+66,49
+28,32
+47,44
+10,12
+29,8
+26,18
+28,16
+49,50
+7,6
+30,54
+52,10
+32,10
+1,0
+40,28
+7,52
+18,54
+5,42
+58,10
+54,40
+41,4
+10,22
+24,56
+44,36
+39,14
+12,2
+65,48
+20,16
+10,4
+56,66
+40,68
+16,19
+45,42
+20,43
+50,18
+40,15
+0,6
+18,62
+14,2
+51,44
+35,48
+54,68
+7,4
+30,25
+27,36
+48,9
+42,46
+57,54
+68,55
+34,59
+58,16
+70,65
+70,14
+24,12
+46,12
+30,39
+55,2
+38,8
+62,22
+3,70
+60,40
+7,44
+9,44
+16,58
+64,2
+22,46
+40,45
+23,0
+62,30
+46,18
+23,6
+27,48
+31,66
+66,30
+52,9
+29,20
+36,21
+69,10
+24,41
+8,38
+44,34
+37,66
+68,4
+34,28
+21,44
+28,70
+42,30
+35,42
+46,16
+6,8
+36,48
+8,61
+14,26
+62,0
+28,45
+46,7
+7,68
+32,40
+61,24
+32,1
+40,12
+58,2
+62,58
+0,2
+42,60
+13,68
+48,59
+6,18
+36,28
+61,0
+63,28
+58,8
+44,33
+59,6
+64,6
+12,62
+30,32
+39,56
+70,32
+67,44
+56,11
+38,6
+2,36
+60,50
+55,26
+58,66
+55,8
+48,17
+56,2
+64,0
+60,41
+64,24
+42,52
+30,13
+16,20
+30,44
+1,26
+47,34
+24,54
+56,8
+16,0
+2,32
+62,38
+70,56
+18,50
+9,28
+63,38
+30,18
+10,70
+44,25
+57,40
+28,26
+54,0
+36,12
+32,24
+44,62
+52,23
+19,54
+45,30
+51,68
+8,8
+48,62
+40,60
+48,6
+48,69
+22,36
+61,10
+62,28
+51,66
+14,18
+53,56
+29,52
+63,4
+46,50
+26,69
+52,56
+21,54
\ No newline at end of file
diff --git a/2024/go/day19/day19.go b/2024/go/day19/day19.go
new file mode 100644
index 0000000..e4e19bd
--- /dev/null
+++ b/2024/go/day19/day19.go
@@ -0,0 +1,87 @@
+package day19
+
+import (
+	"sort"
+	"strings"
+)
+
+func Part1(input string) int {
+	in := strings.Split(input, "\n\n")
+	towels := strings.Split(in[0], ", ")
+	patterns := strings.Split(in[1], "\n")
+	//	fmt.Println(towels, patterns)
+	count := 0
+	not_possibles := make(map[string]bool)
+	for _, pattern := range patterns {
+		if isPossible(towels, pattern, not_possibles) {
+			//			fmt.Println(count, pattern)
+			count++
+		}
+	}
+	return count
+}
+
+func Part2(input string) int {
+	in := strings.Split(input, "\n\n")
+	towels := strings.Split(in[0], ", ")
+	sort.Strings(towels)
+	patterns := strings.Split(in[1], "\n")
+	//	fmt.Println(towels, patterns)
+	count := 0
+	memo := make(map[string]int)
+	for _, pattern := range patterns {
+		count += countPossible(sortStringsByPrefix(towels), pattern, memo)
+	}
+	return count
+}
+
+func isPossible(towels []string, pattern string, not_possibles map[string]bool) bool {
+	if pattern == "" {
+		return true
+	}
+	if not_possibles[pattern] {
+		return false
+	}
+	for _, towel := range towels {
+		if strings.HasPrefix(pattern, towel) {
+			if isPossible(towels, pattern[len(towel):], not_possibles) {
+				return true
+			}
+		}
+	}
+	not_possibles[pattern] = true
+	return false
+}
+
+func countPossible(towels map[byte][]string, pattern string, memo map[string]int) int {
+	if pattern == "" {
+		return 1
+	}
+
+	//If memo has key
+	if val, ok := memo[pattern]; ok {
+		return val
+	}
+
+	count := 0
+	for _, towel := range towels[pattern[0]] {
+		if strings.HasPrefix(pattern, towel) {
+			count += countPossible(towels, pattern[len(towel):], memo)
+		}
+	}
+
+	memo[pattern] = count
+
+	return count
+}
+
+func sortStringsByPrefix(slice []string) map[byte][]string {
+	result := make(map[byte][]string)
+	for _, str := range slice {
+			result[str[0]] = append(result[str[0]], str)
+		}
+	for _, t := range result {
+		sort.Strings(t)
+	}
+	return result
+}
diff --git a/2024/go/day19/day19_test.go b/2024/go/day19/day19_test.go
new file mode 100644
index 0000000..fa99ba2
--- /dev/null
+++ b/2024/go/day19/day19_test.go
@@ -0,0 +1,42 @@
+package day19
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`r, wr, b, g, bwu, rb, gb, br
+
+brwrr
+bggr
+gbbr
+rrbgbr
+ubwu
+bwurrg
+brgr
+bbrgwb`)
+	require.Equal(t, 6, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`r, wr, b, g, bwu, rb, gb, br
+
+brwrr
+bggr
+gbbr
+rrbgbr
+ubwu
+bwurrg
+brgr
+bbrgwb`)
+	require.Equal(t, 16, r)
+}
+
+func TestPart2Long(t *testing.T) {
+	r := Part2(`rrgwru, gwubwg, wgbbw, bwb, ugrgw, uwgguuw, wuggb, bgwb, ubrr, grruuub, rwbwgbub, wwwggg, uuw, gubuu, urwb, bubg, bubb, rruruuu, ubgr, uw, urugg, wubuu, brwb, buw, bgug, wgbwwrb, rwrgrr, gwgr, rrwrg, wwbwgbw, gguu, rgg, bwg, ruurrwg, wbu, ggg, wrw, brbw, wbb, rrbgg, gbb, gwwrubwu, rwgu, grgwwu, wguu, rwg, wbwug, rbur, gwg, wbrugu, wbwwgu, wbbuw, rwrg, rgru, rgb, bwwrg, bwur, rrubwu, gwb, ugwur, wbguwb, rbu, ubrwgw, ruwbr, wbbu, rrbwbg, rgub, rwgb, urwg, bbw, bugg, rugwg, rwbrwww, wuru, guu, brwbg, ug, ruuwruw, bguww, wwrgrurg, rrbgr, uubwurb, brrrwgg, bur, urg, rbg, wruw, gr, ugb, wwrbgrg, wbuuw, bbugu, uug, rrbb, rrbw, bgr, wwwru, rgu, urr, rg, wbgbru, brrgu, gubu, rurgr, wwbrgg, ruurwgwg, rbb, rbrugwb, gwwrbg, bwuuwrg, wu, b, bgwrb, uwggr, rgbb, rww, wgwb, gwgwr, uwbb, uww, gu, ubwuu, wbwwwug, rurwru, rr, rrg, uggr, bgwu, wbgbu, urggw, br, gubgugr, wgrb, bbgrrbu, brbg, wrg, bgrb, rwbwwur, uwr, bubu, grwb, ubb, wr, bbbgwr, bug, uwgwuwu, grb, bgw, uuu, ugr, wgbbgu, gbg, bgwub, urbgrw, rbruwg, gb, bbwgwur, uwbgwrr, ggrb, wbrrwrbu, gbbugrb, ub, rwb, gwr, ruwu, gurgu, rru, uuwwgwuw, bw, ruwbbb, rbgrgu, wuwu, grrugr, wgr, rbbr, rugr, rrrrbww, bwrr, wrbbr, uuwgr, gug, wwb, rgur, brbrr, gguw, grwubrg, rrrr, uwb, wuwwrrwg, gwbggr, rwrub, wuur, gub, rbgb, urrbubrr, uwubu, brbb, bwbr, bww, ruuubwu, ugbbbr, bub, rrug, wub, gruu, uu, bbu, gbbr, urrg, buwu, grw, grbbbu, bgb, ugubg, uwww, urw, wwubruww, buurb, www, bguurr, wwgu, wgb, ruwub, wggggbg, urrb, gbwuw, ubrrg, wrr, gbubgg, gw, wuw, wuug, wwrb, wgg, rgugrru, rgwrbr, guurrg, bgu, rurgb, gwggb, bwgbbw, ggwb, ubwgw, bbg, rbr, wgru, urwr, brr, rgbr, rgr, wwg, guwuru, uuggg, rrw, buu, urb, guwg, ugwwbuwb, rubb, brbuww, rwugru, ubu, wwub, bgwgb, wrug, rug, w, brgg, wwugwruw, ggrwb, bbwuwuu, uub, rrr, ggbrr, wbur, wurbru, wgu, brb, urbbb, gburbww, wbrgruru, rbugr, gubw, wgwgg, rwr, ugw, gggg, gwrwrg, rrub, gbwgg, grg, uwuur, gbwbbb, guw, gbwbb, uwu, ruw, bwr, rwgub, rbw, ggbwr, u, gwu, rrurrb, gwgg, uugwrbr, brw, ugburg, rwu, wwu, wbr, ruwgr, gbwbur, rwgr, rwbww, rbgr, rgbub, rbbuw, ruu, bwgw, bbwg, ubr, gurr, wwr, wwwguu, gbw, ggw, gru, wug, rubwrbrr, wbrrrr, uru, wbgw, wgur, uurgg, bbb, rbwgwbur, wwbwur, bbgubw, gww, brg, ugu, rgrgw, wwrrgugu, rrrwuww, uwwrb, wrb, rrgg, wubgrrb, bwwgrbww, gbr, gwrwu, brgwwbu, urrwub, rbru, bwrgrr, brwuwrb, guuur, wb, bbrb, brww, wuwrww, bu, rgw, rwbwug, bbug, urrgr, bg, bgg, wbgwbgru, wbrru, uwbbr, wbg, gwwur, gur, ubwb, gubbb, bb, wrugr, grur, rb, uwubrg, bwgrw, gbug, g, wuwubgw, ubw, urgu, rrrg, uwg, bbww, uwgrug, ww, ggu, gwbuwu, rgggwgr, wugw, gbrrg, ugg, bwu, ubuur, uurrw, uwwug, bgww, ubg, rw, gwgbwrg, wuu, rbgbg, buwbur, rub, ugbwwrgu, gbww, wbw, gurbwu, bruw, rggrbrgw, wguwu, ubwbwr, ru, uwur, ggb, uurwg, wguubgr, wru, rbrbr, rbwr, wwwrbb, urww, rur, bru, bbbwrw, uwrwrr, ruww, ububbgr, rrb, bggrwg, bbr, wrwrb, bwgwrbg, grbuwg, gg, ubuurwg, uur, guguwb, rugurgbw, bbuwbb
+
+wrbwgruugbbgwwurggwrgrrrurbgwbgggwbbgwgbrwggwur`)
+	require.Equal(t, 16, r)
+}
diff --git a/2024/go/day19/input.txt b/2024/go/day19/input.txt
new file mode 100644
index 0000000..f06b5fa
--- /dev/null
+++ b/2024/go/day19/input.txt
@@ -0,0 +1,402 @@
+rrgwru, gwubwg, wgbbw, bwb, ugrgw, uwgguuw, wuggb, bgwb, ubrr, grruuub, rwbwgbub, wwwggg, uuw, gubuu, urwb, bubg, bubb, rruruuu, ubgr, uw, urugg, wubuu, brwb, buw, bgug, wgbwwrb, rwrgrr, gwgr, rrwrg, wwbwgbw, gguu, rgg, bwg, ruurrwg, wbu, ggg, wrw, brbw, wbb, rrbgg, gbb, gwwrubwu, rwgu, grgwwu, wguu, rwg, wbwug, rbur, gwg, wbrugu, wbwwgu, wbbuw, rwrg, rgru, rgb, bwwrg, bwur, rrubwu, gwb, ugwur, wbguwb, rbu, ubrwgw, ruwbr, wbbu, rrbwbg, rgub, rwgb, urwg, bbw, bugg, rugwg, rwbrwww, wuru, guu, brwbg, ug, ruuwruw, bguww, wwrgrurg, rrbgr, uubwurb, brrrwgg, bur, urg, rbg, wruw, gr, ugb, wwrbgrg, wbuuw, bbugu, uug, rrbb, rrbw, bgr, wwwru, rgu, urr, rg, wbgbru, brrgu, gubu, rurgr, wwbrgg, ruurwgwg, rbb, rbrugwb, gwwrbg, bwuuwrg, wu, b, bgwrb, uwggr, rgbb, rww, wgwb, gwgwr, uwbb, uww, gu, ubwuu, wbwwwug, rurwru, rr, rrg, uggr, bgwu, wbgbu, urggw, br, gubgugr, wgrb, bbgrrbu, brbg, wrg, bgrb, rwbwwur, uwr, bubu, grwb, ubb, wr, bbbgwr, bug, uwgwuwu, grb, bgw, uuu, ugr, wgbbgu, gbg, bgwub, urbgrw, rbruwg, gb, bbwgwur, uwbgwrr, ggrb, wbrrwrbu, gbbugrb, ub, rwb, gwr, ruwu, gurgu, rru, uuwwgwuw, bw, ruwbbb, rbgrgu, wuwu, grrugr, wgr, rbbr, rugr, rrrrbww, bwrr, wrbbr, uuwgr, gug, wwb, rgur, brbrr, gguw, grwubrg, rrrr, uwb, wuwwrrwg, gwbggr, rwrub, wuur, gub, rbgb, urrbubrr, uwubu, brbb, bwbr, bww, ruuubwu, ugbbbr, bub, rrug, wub, gruu, uu, bbu, gbbr, urrg, buwu, grw, grbbbu, bgb, ugubg, uwww, urw, wwubruww, buurb, www, bguurr, wwgu, wgb, ruwub, wggggbg, urrb, gbwuw, ubrrg, wrr, gbubgg, gw, wuw, wuug, wwrb, wgg, rgugrru, rgwrbr, guurrg, bgu, rurgb, gwggb, bwgbbw, ggwb, ubwgw, bbg, rbr, wgru, urwr, brr, rgbr, rgr, wwg, guwuru, uuggg, rrw, buu, urb, guwg, ugwwbuwb, rubb, brbuww, rwugru, ubu, wwub, bgwgb, wrug, rug, w, brgg, wwugwruw, ggrwb, bbwuwuu, uub, rrr, ggbrr, wbur, wurbru, wgu, brb, urbbb, gburbww, wbrgruru, rbugr, gubw, wgwgg, rwr, ugw, gggg, gwrwrg, rrub, gbwgg, grg, uwuur, gbwbbb, guw, gbwbb, uwu, ruw, bwr, rwgub, rbw, ggbwr, u, gwu, rrurrb, gwgg, uugwrbr, brw, ugburg, rwu, wwu, wbr, ruwgr, gbwbur, rwgr, rwbww, rbgr, rgbub, rbbuw, ruu, bwgw, bbwg, ubr, gurr, wwr, wwwguu, gbw, ggw, gru, wug, rubwrbrr, wbrrrr, uru, wbgw, wgur, uurgg, bbb, rbwgwbur, wwbwur, bbgubw, gww, brg, ugu, rgrgw, wwrrgugu, rrrwuww, uwwrb, wrb, rrgg, wubgrrb, bwwgrbww, gbr, gwrwu, brgwwbu, urrwub, rbru, bwrgrr, brwuwrb, guuur, wb, bbrb, brww, wuwrww, bu, rgw, rwbwug, bbug, urrgr, bg, bgg, wbgwbgru, wbrru, uwbbr, wbg, gwwur, gur, ubwb, gubbb, bb, wrugr, grur, rb, uwubrg, bwgrw, gbug, g, wuwubgw, ubw, urgu, rrrg, uwg, bbww, uwgrug, ww, ggu, gwbuwu, rgggwgr, wugw, gbrrg, ugg, bwu, ubuur, uurrw, uwwug, bgww, ubg, rw, gwgbwrg, wuu, rbgbg, buwbur, rub, ugbwwrgu, gbww, wbw, gurbwu, bruw, rggrbrgw, wguwu, ubwbwr, ru, uwur, ggb, uurwg, wguubgr, wru, rbrbr, rbwr, wwwrbb, urww, rur, bru, bbbwrw, uwrwrr, ruww, ububbgr, rrb, bggrwg, bbr, wrwrb, bwgwrbg, grbuwg, gg, ubuurwg, uur, guguwb, rugurgbw, bbuwbb
+
+wrbwgruugbbgwwurggwrgrrrurbgwbgggwbbgwgbrwggwur
+bururbrguwurbguwrubbbbbuburuuuwbgbgrwggbugrwrwurwwbrb
+wgwgwbwuggbbwbrbgrwwgwbrbwbrbggrrgburbubwwur
+wguwuugubwggburwwbbbbwrgwbrwuubgbbrugrbrrbrrugwuwguwrwwwur
+rubwururuggurrgbgrburbrgbuuuuurwgubbbrbuwwbgbwgwrb
+rwrwguwuwgbruwurgbwbgrugwgrggwwrrgrbwrurrrrgbrgbbgwggwb
+buggrbwwurwuwbwrrwgubuwgburrrwbwubugugwurrbwgwburwubuurwbb
+ggwgwrrwbrbgggbubwgwgguurbwwwggbuwbrubuubrrwur
+uugugbrwbbwuugwwuwugurbuugbrugrrgbwgugggrgggrgrur
+bwrubgugbuugbwrwbbubbgbugbbgruubwrwgubwguubbbugu
+wrgrwwgbgubrrwbbgbwuurgbbwrrgwrrwuugrgubwrgrwbwbbbwrgrbb
+rwbwwwgrgbrbgwurwbwwrrguwbrbwgrubrubguwurg
+rbggguwguwrbgbbruruwgguuwwwrwbugwbbbbrrwgwb
+wburgubbbrbgugwurbgrrwgbbuggbrggbrbubrwbrrwur
+wgwrwurgrbwgwwuwrgwwbubwbubwbubggwbwgbwwgr
+bgbbbgwwgbggrububrubbwwwguruurbbwwububwugwwuburgwurgrwr
+rugwgbugbwbbrbgbwrbgwgurbuuwbbwbwbwbguugruwbrrrugwwu
+rwbgruguuurwbubwrbrbwwrwurguwuwbbgggrurbgbgbwwwggwu
+ubwubgbbrgbbbbgwwurgbuwuubgurwrggrrrgrbbbgggbrbb
+wuuruwbwubrwgwuurugbrbwgubruuwwurwgwrbrugwrrbuuuww
+ugwgbwrggrwwuwbgwwrubwuubrbrbwgbbwgbubburuguwguww
+grbguwwuwgrburgggguugubwwgwguuwbwuwuwgugwggggwurrubwgbbwrb
+buwbuwubrrugrrurwrwwbbbrugurgwguwugwwbrurrwbrgrg
+gwwgggurwbwggwwbwrrgwwgurubrubbrbuuruurwur
+rruguggbrrgwgwgrwbwwwugrbrubgruugrgwgubrgwbubwbrw
+grbbbwrrugwrwwurwguugugguwuwggruubrgubguuurubrgrrruwub
+wwrwguwwurbwuwwrrwgwggbgwruugbbrgruubwrwur
+bgbwwwbbubrugwgubbgbggburrwggbbggbrbgwrrrbrgurwur
+gwbwurgrwwbrgrubwgruubbrugbruruwuwgrubugwg
+uguugbrbuuugbwwrgubrwgwrgggwrrgbrrbwbuwwwwbgbuwurbrbr
+ugbggbwuwrgwugurggrugbrgwbwwbgbrwugubgrwrbuuwgrurwgguugwwwur
+uwrwuggbuwwbururwgbrggwgwubburwwggguwwrrggwu
+grrwwwrugbwuubrggrwgrwuuuwgwrwrbugrrrwubgwggwbguurbw
+rgbuuwbgwgwuwurrgwrgugruwgwbgggbuugugbbwwrwugwrurubwr
+gwguwrwgbbruuwrbbubburwgrrrrrwburrwuwrwgwgwur
+bgbbuuguggrgrwugruwrbuuuuurwgbwbbubwrrggwrbw
+rwwurubruwuwbrbwugrwbgwwuwwuuwuwurwwgwbrwgubgrruuurugwgg
+wbwguwbrruruuwubggrbggwggugurgwgbrbugbwwbrbwuguuugr
+uguuwrrbrwugrwwbbuwwrgbrwgbwubbubgwwbuuwgrwuwggbwr
+wguwwrbbggrugbwrugbububgurrubggbwwugubbubuuguggrwur
+uuurbwwwguurrbrgrrrbwgbwuuuwurwbuwgurwguugwrwggb
+urrgwwwbuuwrwugrurgwgggrgbwuugruruuwwubruwwbru
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+uwgwrwguwrbrgguwbgubrbwrurrwubbwbggbwbbbwburrruwbruugu
+bwbwwbrwwwuwrrbugrgrrbwwgrugurwuubwbwgguwgbwwgwuwrbrb
+wurrwgubuuwrrbbbuggwbwugrbgwwbrurwwuwwuruur
+wgggrgrurbbbrbuurubgububwuwrgbbuuugbwwwbgurbruwbugubr
+rurrubrwrwubrgurbbbgwrrbubwggbwwbbwgguugwrwwubuw
+wwuggububbrrbbwrbwrwburwbrgwwgwugguwgrbwuwbuurrwwugbwr
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+wrubwggwbuwrbggwbuwggwbwgwrruguwrbubrggbrwur
+gwgbwrwugbwuwubwwwgrbrrbwubbwbwrubbbrwuuuwuw
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+uwrurbgwubuwruuggburburggwguwwbwgggwgbrgrwwrrrgww
+ggwwbgrbuwrruurugggwrbwwgrgrwburgrwwwwrwbrbrrwrgurggrgwur
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+wwuubuuuwrguuwwugbuwuububwubbguubgbubgrrbugbrgrwrbwrb
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+ggrugurgbwggwwwrwwbbgbuubuuubbwrurbubwbgbrwur
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+brbguwururwguwbrgrrwbbbwbgrgbgwgwgwgrrggrwrbbrburrur
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+rwwubbrgwbuwbbguugwgbwburrwubruubbuwwwwwgbbbbruwuuurwur
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+rbwgrbubbubwwrbgbgbwgrbubguurwwgguwgubbrrbubwr
+guugbrgwbubububrbrwurrgwurbwrggbgbrbwwrbbuggugwgubrwrwbbbb
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+grrgwbgubwrbubrwubguburrggbbugwwwwruuwwuggbg
+grbwwuwubbgggwbbuggrgwburwwrruruugrgwwwgwwwrgrbuwbrgb
+ggrggrrgbgggrrgrbrurwgbgrrwbgruwwbbggbgwwbubwrggwgr
+wgrubwrwbbrgbwuurwbwwuubwgbuubbwrugugurbgwrbwrbuwgguurww
+rbwbwbgwuubrrrgrrubbbbburbbwuwwubbbguubgwwwur
+buuuwrwwbuuguurwwbuwwgrgrgrrrugwrggbggwbgubw
+wwuwwwwbrrwbwgwuuwwwgwguwgwubuwwgwuggrbwbrr
+gbbgbwbbrbrgwrwburbrbwrburrgwwuguruubrgubgrgrwugb
+urbgbwwrrwguurugruurbuwbruwrguuburguwwuuruwbggbwuwggb
+bwrwwuurugugggwuuwrbrgbuugbuwbuubrgrrrrbwgbgwgbu
+ubwrugrgrwruwggbwruuggbubwguguubwrrbggbgwggrww
+uwbubuuwbgbuwbguwuwwgbggugwwubrbubgbuwrrbuwbuwrwbubgbrgru
+bbruurgrwuwbrgruruwwuwbwuugwurbbrwgugrrrurbubgrgw
+wbgwwrrwgwrugwurgbggbgwwgbwrbrbwwrrwugwrwbuuugguww
diff --git a/2024/go/go.mod b/2024/go/go.mod
index d7d05a2..14e4a5c 100644
--- a/2024/go/go.mod
+++ b/2024/go/go.mod
@@ -2,7 +2,13 @@ module adventofcode2024
 
 go 1.19
 
-require golang.org/x/exp v0.0.0-20221208152030-732eee02a75a
+require (
+	github.com/deckarep/golang-set/v2 v2.7.0
+	github.com/luxedo/esb_fireplace-go v0.3.0
+	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
+)
+
+require github.com/spf13/pflag v1.0.5 // indirect
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
diff --git a/2024/go/go.sum b/2024/go/go.sum
index b858da8..7ec55ac 100644
--- a/2024/go/go.sum
+++ b/2024/go/go.sum
@@ -1,11 +1,18 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/deckarep/golang-set/v2 v2.7.0 h1:gIloKvD7yH2oip4VLhsv3JyLLFnC0Y2mlusgcvJYW5k=
+github.com/deckarep/golang-set/v2 v2.7.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
+github.com/luxedo/esb_fireplace-go v0.3.0 h1:zhpWG9AJfWEzqiaYsPjlBAwIMa1IF1gWoQoM4zvdLxI=
+github.com/luxedo/esb_fireplace-go v0.3.0/go.mod h1:L8zIvYDHIKTHc3g3VACvjS0qBHvKmt31KRjWLP5ftkU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/exp v0.0.0-20221208152030-732eee02a75a h1:4iLhBPcpqFmylhnkbY3W0ONLUYYkDAW9xMFLfxgsvCw=
-golang.org/x/exp v0.0.0-20221208152030-732eee02a75a/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
+golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
+golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/2024/go/main.go b/2024/go/main.go
index 46934c6..be5c3e7 100644
--- a/2024/go/main.go
+++ b/2024/go/main.go
@@ -2,23 +2,39 @@ package main
 
 import (
 	"fmt"
-//	"math/rand"
+	"time"
+
+	//	"math/rand"
 	"os"
-//	"strings"
-//	"time"
-	"adventofcode2024/utils"
+	//	"strings"
+	//	"time"
 	"adventofcode2024/day01"
 	"adventofcode2024/day02"
 	"adventofcode2024/day03"
 	"adventofcode2024/day04"
-
+	"adventofcode2024/day06"
+	"adventofcode2024/day07"
+	"adventofcode2024/day08"
+	"adventofcode2024/day09"
+	"adventofcode2024/day10"
+	"adventofcode2024/day11"
+	"adventofcode2024/day12"
+	"adventofcode2024/day13"
+	"adventofcode2024/day14"
+	"adventofcode2024/day15"
+	"adventofcode2024/day16"
+	"adventofcode2024/day17"
+	"adventofcode2024/day18"
+	"adventofcode2024/day19"
+	"adventofcode2024/utils"
 )
+
 // Usage: go run main.go <NN>
 // assumes input is in day<NN>/input.txt
 func main() {
 	d := day()
 	fmt.Printf("Running day %02d\n", d)
-
+	start := time.Now()
 	switch d {
 	case 1:
 		fmt.Printf("part 1: %d\n", day01.Part1(utils.Readfile(d)))
@@ -32,14 +48,58 @@ func main() {
 	case 4:
 		fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
 		fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
+	case 6:
+		fmt.Printf("part 1: %d\n", day06.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day06.Part2(utils.Readfile(d)))
+	case 7:
+		fmt.Printf("part 1: %d\n", day07.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day07.Part2(utils.Readfile(d)))
+	case 8:
+		fmt.Printf("part 1: %d\n", day08.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day08.Part2(utils.Readfile(d)))
+	case 9:
+		fmt.Printf("part 1: %d\n", day09.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day09.Part2(utils.Readfile(d)))
+	case 10:
+		fmt.Printf("part 1: %d\n", day10.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day10.Part2(utils.Readfile(d)))
+	case 11:
+		fmt.Printf("part 1: %d\n", day11.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day11.Part2(utils.Readfile(d)))
+	case 12:
+		fmt.Printf("part 1: %d\n", day12.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day12.Part2(utils.Readfile(d)))
+	case 13:
+		fmt.Printf("part 1: %d\n", day13.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day13.Part2(utils.Readfile(d)))
+	case 14:
+		fmt.Printf("part 1: %d\n", day14.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day14.Part2(utils.Readfile(d)))
+	case 15:
+		fmt.Printf("part 1: %d\n", day15.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day15.Part2(utils.Readfile(d)))
+	case 16:
+		fmt.Printf("part 1: %d\n", day16.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day16.Part2(utils.Readfile(d)))
+	case 17:
+		fmt.Printf("part 1: %s\n", day17.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day17.Part2(utils.Readfile(d)))
+	case 18:
+		fmt.Printf("part 1: %d\n", day18.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day18.Part2(utils.Readfile(d)))
+	case 19:
+		fmt.Printf("part 1: %d\n", day19.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day19.Part2(utils.Readfile(d)))
 	default:
 		panic(fmt.Errorf("no such day: %d", d))
 	}
+	elapsed := time.Since(start)
+	fmt.Printf("Execution time: %s\n", elapsed)
 }
 
 // Reads day from os.Args.
 func day() int {
-	latest := 3
+	latest := 18
 	if len(os.Args) == 1 {
 		return latest
 	}
@@ -52,7 +112,6 @@ func day() int {
 	return day
 }
 
-
 func genNext(n int) {
 	os.Mkdir(fmt.Sprintf("day%02d", n), 0755)
 	f, err := os.Create(fmt.Sprintf("day%02d/day%02d.go", n, n))
@@ -94,4 +153,4 @@ func TestPart2(t *testing.T) {
 	fmt.Printf("wrote day%02d/day%02d_test.go\n", n, n)
 	utils.GenInputFile(n)
 
-}
\ No newline at end of file
+}
diff --git a/2024/go/utils/dijkstra/graph.go b/2024/go/utils/dijkstra/graph.go
new file mode 100644
index 0000000..7b2554e
--- /dev/null
+++ b/2024/go/utils/dijkstra/graph.go
@@ -0,0 +1,242 @@
+package dijkstra
+
+import (
+	"fmt"
+	"math"
+	"sync"
+)
+
+type ItemGraph struct {
+	Nodes []*Node
+	Edges map[Node][]*Edge
+	lock  sync.RWMutex
+}
+
+// AddNode adds a node to the graph
+func (g *ItemGraph) AddNode(n *Node) {
+	g.lock.Lock()
+	g.Nodes = append(g.Nodes, n)
+	g.lock.Unlock()
+}
+
+// AddEdge adds an edge to the graph
+func (g *ItemGraph) AddEdge(n1, n2 *Node, weight int) {
+	g.lock.Lock()
+	if g.Edges == nil {
+		g.Edges = make(map[Node][]*Edge)
+	}
+	ed1 := Edge{
+		Node:   n2,
+		Weight: weight,
+	}
+
+	ed2 := Edge{
+		Node:   n1,
+		Weight: weight,
+	}
+	g.Edges[*n1] = append(g.Edges[*n1], &ed1)
+	g.Edges[*n2] = append(g.Edges[*n2], &ed2)
+	g.lock.Unlock()
+}
+
+// dijkstra implement
+func getShortestPath(startNode *Node, endNode *Node, g *ItemGraph) ([]Point, int) {
+	visited := make(map[Point]bool)
+	dist := make(map[Point]int)
+	prev := make(map[Point]Point)
+	//pq := make(PriorityQueue, 1)
+	//heap.Init(&pq)
+	q := NodeQueue{}
+	pq := q.NewQ()
+	start := Vertex{
+		Node:     startNode,
+		Distance: 0,
+	}
+	for _, nval := range g.Nodes {
+		dist[nval.Value] = math.MaxInt64
+	}
+	dist[startNode.Value] = start.Distance
+	pq.Enqueue(start)
+	//im := 0
+	for !pq.IsEmpty() {
+		v := pq.Dequeue()
+		if visited[v.Node.Value] {
+			continue
+		}
+		visited[v.Node.Value] = true
+		near := g.Edges[*v.Node]
+
+		for _, val := range near {
+			if !visited[val.Node.Value] {
+				if dist[v.Node.Value]+val.Weight < dist[val.Node.Value] {
+					store := Vertex{
+						Node:     val.Node,
+						Distance: dist[v.Node.Value] + val.Weight,
+					}
+					dist[val.Node.Value] = dist[v.Node.Value] + val.Weight
+					//prev[val.Node.Value] = fmt.Sprintf("->%s", v.Node.Value)
+					prev[val.Node.Value] = v.Node.Value
+					pq.Enqueue(store)
+				}
+				//visited[val.Node.value] = true
+			}
+		}
+	}
+	//	fmt.Println(dist)
+	//	fmt.Println(prev)
+	pathval := prev[endNode.Value]
+	var finalArr []Point
+	finalArr = append(finalArr, endNode.Value)
+	for pathval != startNode.Value {
+		finalArr = append(finalArr, pathval)
+		pathval = prev[pathval]
+	}
+	finalArr = append(finalArr, pathval)
+	fmt.Println(finalArr)
+	for i, j := 0, len(finalArr)-1; i < j; i, j = i+1, j-1 {
+		finalArr[i], finalArr[j] = finalArr[j], finalArr[i]
+	}
+	return finalArr, dist[endNode.Value]
+
+}
+
+func getAllShortestPaths(startNode *Node, endNode *Node, g *ItemGraph) ([][]Point, int) {
+	visited := make(map[Point]bool)
+	dist := make(map[Point]int)
+	prev := make(map[Point][]Point) // Store multiple predecessors for each node
+	q := NodeQueue{}
+	pq := q.NewQ()
+
+	start := Vertex{
+		Node:     startNode,
+		Distance: 0,
+	}
+
+	for _, n := range g.Nodes {
+		dist[n.Value] = math.MaxInt64
+	}
+	dist[startNode.Value] = start.Distance
+	pq.Enqueue(start)
+
+	// Perform Dijkstra's algorithm
+	for !pq.IsEmpty() {
+		v := pq.Dequeue()
+		if visited[v.Node.Value] {
+			continue
+		}
+		visited[v.Node.Value] = true
+		near := g.Edges[*v.Node]
+
+		for _, edge := range near {
+			alt := dist[v.Node.Value] + edge.Weight
+
+			// Case 1: Found a shorter path
+			if alt < dist[edge.Node.Value] {
+				dist[edge.Node.Value] = alt
+				prev[edge.Node.Value] = []Point{v.Node.Value} // Reset predecessors
+				pq.Enqueue(Vertex{
+					Node:     edge.Node,
+					Distance: alt,
+				})
+			}
+
+			// Case 2: Found an equally short path
+			if alt == dist[edge.Node.Value] {
+				// Add the current node as a valid predecessor if not already present
+				found := false
+				for _, p := range prev[edge.Node.Value] {
+					if p == v.Node.Value {
+						found = true
+						break
+					}
+				}
+				if !found {
+					prev[edge.Node.Value] = append(prev[edge.Node.Value], v.Node.Value)
+				}
+			}
+		}
+	}
+
+	// Iteratively reconstruct all paths
+	var paths [][]Point
+	stack := []struct {
+		node Point
+		path []Point
+	}{
+		{node: endNode.Value, path: []Point{}},
+	}
+
+	for len(stack) > 0 {
+		// Pop the top item from the stack
+		current := stack[len(stack)-1]
+		stack = stack[:len(stack)-1]
+
+		// Prepend the current node to the path
+		newPath := append([]Point{current.node}, current.path...)
+
+		// If we've reached the start node, save the path
+		if current.node.X == startNode.Value.X && current.node.Y == startNode.Value.Y {
+			paths = append(paths, newPath)
+			continue
+		}
+
+		// Push all predecessors onto the stack
+		for _, predecessor := range prev[current.node] {
+			if !Contains(newPath, predecessor) {
+				stack = append(stack, struct {
+					node Point
+					path []Point
+				}{
+					node: predecessor,
+					path: newPath,
+				})
+			}
+		}
+	}
+
+	return paths, dist[endNode.Value]
+}
+
+func Contains(slice []Point, value Point) bool {
+	for _, v := range slice {
+		if v == value { // Compare values
+			return true
+		}
+	}
+	return false
+}
+
+func CreateGraph(data InputGraph) *ItemGraph {
+	var g ItemGraph
+	nodes := make(map[Point]*Node)
+	for _, v := range data.Graph {
+		if _, found := nodes[v.Source]; !found {
+			nA := Node{v.Source}
+			nodes[v.Source] = &nA
+			g.AddNode(&nA)
+		}
+		if _, found := nodes[v.Destination]; !found {
+			nA := Node{v.Destination}
+			nodes[v.Destination] = &nA
+			g.AddNode(&nA)
+		}
+		g.AddEdge(nodes[v.Source], nodes[v.Destination], v.Weight)
+	}
+	return &g
+}
+
+func GetShortestPath(from, to Point, g *ItemGraph) ([]Point, int) {
+	nA := &Node{from}
+	nB := &Node{to}
+
+	path, distance := getShortestPath(nA, nB, g)
+	return path, distance
+}
+
+func GetAllShortestPaths(from, to Point, g *ItemGraph) ([][]Point, int) {
+	nA := &Node{from}
+	nB := &Node{to}
+
+	paths, distance := getAllShortestPaths(nA, nB, g)
+	return paths, distance
+}
diff --git a/2024/go/utils/dijkstra/object.go b/2024/go/utils/dijkstra/object.go
new file mode 100644
index 0000000..689635f
--- /dev/null
+++ b/2024/go/utils/dijkstra/object.go
@@ -0,0 +1,35 @@
+package dijkstra
+
+type Point struct {
+	X int
+	Y int
+	Label string
+}
+
+type Node struct {
+	Value Point
+}
+
+type Edge struct {
+	Node   *Node
+	Weight int
+}
+
+type Vertex struct {
+	Node     *Node
+	Distance int
+}
+
+type PriorityQueue []*Vertex
+
+type InputGraph struct {
+	Graph []InputData 
+	From  Point
+	To    Point
+}
+
+type InputData struct {
+	Source      Point 
+	Destination Point 
+	Weight      int
+}
\ No newline at end of file
diff --git a/2024/go/utils/dijkstra/queue.go b/2024/go/utils/dijkstra/queue.go
new file mode 100644
index 0000000..c893e01
--- /dev/null
+++ b/2024/go/utils/dijkstra/queue.go
@@ -0,0 +1,65 @@
+package dijkstra
+
+import "sync"
+
+type NodeQueue struct {
+	Items []Vertex
+	lock  sync.RWMutex
+}
+
+// Enqueue adds an Node to the end of the queue
+func (s *NodeQueue) Enqueue(t Vertex) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	if len(s.Items) == 0 {
+		s.Items = append(s.Items, t)
+		return
+	}
+	var insertFlag bool
+	for k, v := range s.Items {
+		// add vertex distance less than travers's vertex distance
+		if t.Distance < v.Distance {
+			s.Items = append(s.Items[:k+1], s.Items[k:]...)
+			s.Items[k] = t
+			insertFlag = true
+		}
+		if insertFlag {
+			break
+		}
+	}
+	if !insertFlag {
+		s.Items = append(s.Items, t)
+	}
+}
+
+// Dequeue removes an Node from the start of the queue
+func (s *NodeQueue) Dequeue() *Vertex {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+	item := s.Items[0]
+	s.Items = s.Items[1:len(s.Items)]
+	return &item
+}
+
+//NewQ Creates New Queue
+func (s *NodeQueue) NewQ() *NodeQueue {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+	s.Items = []Vertex{}
+	return s
+}
+
+// IsEmpty returns true if the queue is empty
+func (s *NodeQueue) IsEmpty() bool {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+	return len(s.Items) == 0
+}
+
+// Size returns the number of Nodes in the queue
+func (s *NodeQueue) Size() int {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+	return len(s.Items)
+}
\ No newline at end of file

From 08b38c2bd37ec7e22e27b3f5d529ea35d8f7a0af Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Mon, 13 Jan 2025 23:48:55 +0000
Subject: [PATCH 09/11] fix missing

---
 2024/gareth/day07/day07.go      |   90 +
 2024/gareth/day07/day07_test.go |   33 +
 2024/gareth/day07/input.txt     |  850 ++++
 2024/gareth/day08/day08.go      |   80 +
 2024/gareth/day08/day08_test.go |   39 +
 2024/gareth/day08/input.txt     |   50 +
 2024/gareth/day09/day09.go      |  104 +
 2024/gareth/day09/day09_test.go |   22 +
 2024/gareth/day09/input.txt     |    1 +
 2024/gareth/day10/day10.go      |  141 +
 2024/gareth/day10/day10_test.go |   31 +
 2024/gareth/day10/input.txt     |   45 +
 2024/gareth/day11/day11.go      |   89 +
 2024/gareth/day11/day11_test.go |   12 +
 2024/gareth/day11/input.txt     |    1 +
 2024/gareth/day13/day13.go      |   76 +
 2024/gareth/day13/day13_test.go |   45 +
 2024/gareth/day13/input.txt     | 1279 ++++++
 2024/gareth/day14/day14.go      |  172 +
 2024/gareth/day14/day14_test.go |   23 +
 2024/gareth/day14/input.txt     |  500 +++
 2024/gareth/day18/day18.go      |  156 +
 2024/gareth/day18/day18_test.go |   65 +
 2024/gareth/day18/input.txt     | 3450 +++++++++++++++
 2024/gareth/day19/day19.go      |   90 +
 2024/gareth/day19/day19_test.go |   35 +
 2024/gareth/day19/input.txt     |  402 ++
 2024/gareth/main.go             |   10 +-
 2024/go/day10/day10.go          |  103 +
 2024/go/day10/day10_test.go     |   31 +
 2024/go/day10/input.txt         |   56 +
 2024/go/day11/day11.go          |   76 +
 2024/go/day11/day11_test.go     |   17 +
 2024/go/day11/input.txt         |    1 +
 2024/go/day12/day12.go          |  146 +
 2024/go/day12/day12_test.go     |   29 +
 2024/go/day12/input.txt         |  140 +
 2024/go/day13/day13.go          |   58 +
 2024/go/day13/day13_test.go     |   45 +
 2024/go/day13/input.txt         | 1279 ++++++
 2024/go/day14/day14.go          |  149 +
 2024/go/day14/day14_test.go     |  527 +++
 2024/go/day14/input.txt         |  500 +++
 2024/go/day15/day15.go          |  119 +
 2024/go/day15/day15_test.go     |   57 +
 2024/go/day15/input.txt         |   71 +
 2024/go/day16/day16.go          |  225 +
 2024/go/day16/day16_test.go     |   47 +
 2024/go/day16/input.txt         |  141 +
 2024/go/day17/day17.go          |   91 +
 2024/go/day17/day17_test.go     |   25 +
 2024/go/day17/input.txt         |    5 +
 2024/go/day18/day18.go          |  126 +
 2024/go/day18/day18_test.go     | 6915 +++++++++++++++++++++++++++++++
 2024/go/day18/input.txt         | 3450 +++++++++++++++
 2024/go/day19/day19.go          |   87 +
 2024/go/day19/day19_test.go     |   42 +
 2024/go/day19/input.txt         |  402 ++
 2024/go/go.mod                  |    2 +-
 59 files changed, 22848 insertions(+), 5 deletions(-)
 create mode 100644 2024/gareth/day07/day07.go
 create mode 100644 2024/gareth/day07/day07_test.go
 create mode 100644 2024/gareth/day07/input.txt
 create mode 100644 2024/gareth/day08/day08.go
 create mode 100644 2024/gareth/day08/day08_test.go
 create mode 100644 2024/gareth/day08/input.txt
 create mode 100644 2024/gareth/day09/day09.go
 create mode 100644 2024/gareth/day09/day09_test.go
 create mode 100644 2024/gareth/day09/input.txt
 create mode 100644 2024/gareth/day10/day10.go
 create mode 100644 2024/gareth/day10/day10_test.go
 create mode 100644 2024/gareth/day10/input.txt
 create mode 100644 2024/gareth/day11/day11.go
 create mode 100644 2024/gareth/day11/day11_test.go
 create mode 100644 2024/gareth/day11/input.txt
 create mode 100644 2024/gareth/day13/day13.go
 create mode 100644 2024/gareth/day13/day13_test.go
 create mode 100644 2024/gareth/day13/input.txt
 create mode 100644 2024/gareth/day14/day14.go
 create mode 100644 2024/gareth/day14/day14_test.go
 create mode 100644 2024/gareth/day14/input.txt
 create mode 100644 2024/gareth/day18/day18.go
 create mode 100644 2024/gareth/day18/day18_test.go
 create mode 100644 2024/gareth/day18/input.txt
 create mode 100644 2024/gareth/day19/day19.go
 create mode 100644 2024/gareth/day19/day19_test.go
 create mode 100644 2024/gareth/day19/input.txt
 create mode 100644 2024/go/day10/day10.go
 create mode 100644 2024/go/day10/day10_test.go
 create mode 100644 2024/go/day10/input.txt
 create mode 100644 2024/go/day11/day11.go
 create mode 100644 2024/go/day11/day11_test.go
 create mode 100644 2024/go/day11/input.txt
 create mode 100644 2024/go/day12/day12.go
 create mode 100644 2024/go/day12/day12_test.go
 create mode 100644 2024/go/day12/input.txt
 create mode 100644 2024/go/day13/day13.go
 create mode 100644 2024/go/day13/day13_test.go
 create mode 100644 2024/go/day13/input.txt
 create mode 100644 2024/go/day14/day14.go
 create mode 100644 2024/go/day14/day14_test.go
 create mode 100644 2024/go/day14/input.txt
 create mode 100644 2024/go/day15/day15.go
 create mode 100644 2024/go/day15/day15_test.go
 create mode 100644 2024/go/day15/input.txt
 create mode 100644 2024/go/day16/day16.go
 create mode 100644 2024/go/day16/day16_test.go
 create mode 100644 2024/go/day16/input.txt
 create mode 100644 2024/go/day17/day17.go
 create mode 100644 2024/go/day17/day17_test.go
 create mode 100644 2024/go/day17/input.txt
 create mode 100644 2024/go/day18/day18.go
 create mode 100644 2024/go/day18/day18_test.go
 create mode 100644 2024/go/day18/input.txt
 create mode 100644 2024/go/day19/day19.go
 create mode 100644 2024/go/day19/day19_test.go
 create mode 100644 2024/go/day19/input.txt

diff --git a/2024/gareth/day07/day07.go b/2024/gareth/day07/day07.go
new file mode 100644
index 0000000..694c09a
--- /dev/null
+++ b/2024/gareth/day07/day07.go
@@ -0,0 +1,90 @@
+package day07
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+func Part1(input string) int {
+	total := 0
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+
+	for i := 0; i < len(lines); i++ {
+		target, numbers := parseLine(lines[i])
+		if validLinePart1(numbers, 1, numbers[0], target) {
+			total += target
+		}
+	}
+
+	return total
+}
+
+func Part2(input string) int {
+	total := 0
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+
+	for i := 0; i < len(lines); i++ {
+		target, numbers := parseLine(lines[i])
+		if validLinePart2(numbers, 1, numbers[0], target) {
+			total += target
+		}
+	}
+
+	return total
+}
+
+func parseLine(line string) (int, []int) {
+	parts := strings.Split(line, ":")
+	target, _ := strconv.Atoi(strings.TrimSpace(parts[0]))
+	numberStrings := strings.Fields(parts[1])
+
+	numbers := make([]int, len(numberStrings))
+	for i := 0; i < len(numberStrings); i++ {
+		numbers[i], _ = strconv.Atoi(strings.TrimSpace(numberStrings[i]))
+	}
+
+	return target, numbers
+}
+
+func validLinePart1(numbers []int, index int, currentValue int, target int) bool {
+	if index == len(numbers) {
+		return currentValue == target
+	}
+
+	sum := currentValue + numbers[index]
+	if validLinePart1(numbers, index+1, sum, target) {
+		return true
+	}
+
+	product := currentValue * numbers[index]
+	if validLinePart1(numbers, index+1, product, target) {
+		return true
+	}
+
+	return false
+}
+
+func validLinePart2(numbers []int, index int, currentValue int, target int) bool {
+	if index == len(numbers) {
+		return currentValue == target
+	}
+
+	sum := currentValue + numbers[index]
+	if validLinePart2(numbers, index+1, sum, target) {
+		return true
+	}
+
+	product := currentValue * numbers[index]
+	if validLinePart2(numbers, index+1, product, target) {
+		return true
+	}
+
+	// Turns 12 || 34 into 1234
+	concatenated, _ := strconv.Atoi(strings.TrimSpace(fmt.Sprintf("%d%d", currentValue, numbers[index])))
+	if validLinePart2(numbers, index+1, concatenated, target) {
+		return true
+	}
+
+	return false
+}
diff --git a/2024/gareth/day07/day07_test.go b/2024/gareth/day07/day07_test.go
new file mode 100644
index 0000000..73ff38b
--- /dev/null
+++ b/2024/gareth/day07/day07_test.go
@@ -0,0 +1,33 @@
+package day07
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`190: 10 19
+3267: 81 40 27
+83: 17 5
+156: 15 6
+7290: 6 8 6 15
+161011: 16 10 13
+192: 17 8 14
+21037: 9 7 18 13
+292: 11 6 16 20`)
+	assert.Equal(t, 3749, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`190: 10 19
+3267: 81 40 27
+83: 17 5
+156: 15 6
+7290: 6 8 6 15
+161011: 16 10 13
+192: 17 8 14
+21037: 9 7 18 13
+292: 11 6 16 20`)
+	assert.Equal(t, 11387, r)
+}
diff --git a/2024/gareth/day07/input.txt b/2024/gareth/day07/input.txt
new file mode 100644
index 0000000..23117ba
--- /dev/null
+++ b/2024/gareth/day07/input.txt
@@ -0,0 +1,850 @@
+31084: 8 67 8 735 38
+40541461584: 5 81 9 4 32 43 283 228
+6208: 915 6 2 539 148 29
+306501986: 6 3 630 45 536 64 6
+21276000: 8 5 5 91 6 5 8 6 8 985 2 8
+1432991: 3 403 4 821 591 2 236
+17115994: 69 321 254 764 3 99
+19961295: 5 311 84 6 63
+22953531: 22 95 35 2 8
+18894343830: 90 5 3 2 65 7 159 2 91 1
+4312695565: 158 8 716 615 95 59
+391: 1 326 64
+25202: 8 5 62 1 401
+5324514: 6 8 466 59 169
+658234: 3 83 592 97 57 4
+26804472776473: 7 61 1 447 29 496 71 9
+1503368: 653 23 18 824 625
+24803314445: 5 2 4 4 417 1 987 4 447
+1021069871: 7 3 2 7 9 37 2 2 8 5 58
+1614: 63 645 4 3 31 868
+4258805: 68 532 78 91 5
+4495130022: 583 78 275 37 77
+45111648: 47 98 45 855 998 46 6
+2964501691711: 9 672 76 9 754 7 4 65
+90685578359: 906 855 782 33 126
+13608006: 3 5 7 7 3 602 7 4 7 720 6
+4645623: 66 863 5 615 8
+2569495: 443 74 7 71 5
+134484: 68 55 4 77 9 2 327 4
+1143450000: 24 750 35 264 5 1
+5449: 4 2 907 7
+23061783: 854 9 5 6 1 1 7 3 2 76 5
+2930: 18 6 7 555 5
+2115475: 9 194 8 54 42 5 31
+19449: 6 1 9 4 4 769 8 1 79 905
+4595553: 298 3 4 257 5 3 345 45
+208314087: 7 3 877 815 9 9 3 2 6 51
+2905504: 46 58 514 626 763
+963368: 48 425 484 6 370
+9980664: 1 98 80 5 98 68
+652568: 7 197 871 290 68
+45827: 15 3 665 9 154
+722: 2 21 337 5 357
+27652464029930: 7 829 9 700 7 9 3 7 4 1 8
+6868809: 45 2 9 848 9
+1175: 7 5 98
+2133: 17 2 5 36 5
+528: 55 1 5 8 9 31
+8206806: 1 4 9 4 99 6 24 97 2 5 6 5
+37530658373: 1 2 8 5 8 4 5 7 3 946 373
+65484738025: 47 5 4 43 8 6 43 7 7 26 5
+2157: 8 2 1 93 8 568
+23082508: 7 5 3 3 2 5 8 477 2 3 1 1
+29090880: 45 28 37 8 78
+1262763: 1 1 27 729 93 16 2 75
+1409848204234: 7 87 622 84 820 42 34
+3304: 6 55 4
+1196013120: 8 340 179 35 192
+124278235: 4 4 69 225 78 235
+2735190615: 273 2 3 1 906 1 5
+52192: 104 89 6 45 10 72
+573777850: 680 31 807 8 50
+35694425: 82 38 921 61 871 84 2
+658877085778: 7 86 55 156 10 977 8
+20860682976: 546 3 7 930 7 954 42 6
+224616: 441 46 8 36 73 8 3 45 7
+358087: 7 236 9 45 2 9 3 9 6 4 2 5
+6354432: 55 792 7 153 639 7
+1923524: 177 175 9 3 3 528 21
+117340: 9 82 159
+1234059: 64 357 9 45 6
+2651349895: 8 526 4 7 9 1 6 42 9 89 5
+3884759: 737 251 3 5 7
+633925731: 346 4 3 5 472 9 7 9 4 8 9
+43555: 37 4 60 25 53 77
+4230519: 2 2 12 8 9 9 91 41 2 5 2 3
+5489: 69 8 9 515 6
+82630872: 33 1 2 19 81 9 4 5 6 6 33
+203340489: 181 55 1 4 112 9
+72068: 7 197 4 5 9
+168389664: 1 683 84 5 667
+30367442: 2 657 6 4 384 5 673 49
+2846739576: 4 8 743 9 3 9 829 719 6
+78401: 77 4 9 93 5
+627886555182: 1 61 78 8 65 4 57 94 82
+53361: 85 3 592 1 63
+154268: 48 43 3 892 4 8 3 8 1
+525075263: 656 34 4 8 6 6
+248294606: 6 896 24 1 83 9 4 1 7 75
+9082152: 182 66 9 8 6 7 7 2 195 2
+1657909631: 8 5 76 7 5 95 2 9 22 544
+484430: 2 5 64 7 49 961 83 3
+11192683920: 6 26 7 8 5 8 6 3 8 372 1 1
+52887178: 4 863 61 118 60
+896861: 88 9 7 671 4 187
+721710054179: 135 891 60 541 81
+12403134: 92 6 34 58 6 5 7 9 6 6
+33615296: 312 44 55 9 3 1 572
+183192: 35 8 5 5 612 28 71 3 4 8
+1244794661146: 6 4 9 6 1 6 4 57 7 685 8 6
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+1477891785: 86 6 2 8 13 2 91 7 1 8 8
+5983: 3 888 5 291 2 57 6
+73739569: 668 6 687 89 6 69
+902757501: 855 24 627 1 63 26 9
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+87403263: 95 920 3 191 7 65
+223398085: 57 3 1 8 11 50 45 8 9 85
+76471: 81 472 2 1 6
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+98723250300: 79 119 1 1 2 143 5 7 21
+37813543: 28 4 5 813 540
+21449386021: 185 4 9 9 3 6 4 46 7 1 3 8
+355140846: 39 4 6 90 845
+25511824797: 3 7 4 746 48 55 3 15
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+562264400: 8 1 3 1 5 74 3 67 309 88
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+193315: 5 329 577 536 60
+443120: 71 7 62 5 764 4
+799531202: 320 693 332 72 50 2
+25055194: 241 48 900 7 194
+148742749564: 341 93 73 435 240 65
+2975722: 802 811 6 919 2
+69614316: 3 9 65 34 9 9 6 3 1 96 59
+9211672: 92 116 51 20
+1384: 5 687 2
+2227754259: 312 1 75 78 952
+1980: 6 46 5 70 6
+1051: 74 41 921 7 8
+7224: 69 9 6 405 7
+100058717: 58 44 628 7 145 31 9 8
+13325842: 86 4 981 7 534 49 5 9
+135606016: 86 1 1 7 2 4 8 877 96 8
+188416: 4 8 735 32 8
+13081748: 306 58 2 737
+3408461: 654 396 4 34 348 94 9
+19518: 2 1 8 9 1 54 9 25 9 616 2
+31719: 65 6 9 78 597
+246572: 26 98 9 4 393 9 81 2 8
+127805458: 40 71 9 1 5 457
+7811: 198 16 5 7 31 1 4 794 6
+1168319105: 5 2 1 2 4 44 8 93 9 12 8 8
+7211685: 411 5 7 562 8 554 93 5
+4028985022: 77 86 48 505 604
+127755655140: 73 70 5 3 8 31 5 140
+208269903: 3 75 267 990 3
+956027222: 455 20 5 10 4 3 5 7
+332644: 63 1 8 660 4
+739903: 8 744 1 67 3 630 9 1 5
+449841: 8 6 3 1 9 9 4 9 608 73 88
+3162: 88 4 6 9 7 3 53 7 9 17
+123780: 961 528 514 51 9 60
+397: 88 299 1 1 9
+20327221321: 10 40 83 98 1 460 7 6
+22759444: 366 7 6 3 241 6
+1397068088398: 419 2 5 161 5 6 4 414 1
+5172: 6 431 2
+7637: 251 9 85 746 7
+1812: 908 35 789 3 77
+1120: 7 9 1 68 9 2 4
+770138283: 11 6 57 1 3 8 947 9 1 3 3
+163644: 610 32 344 63 156
+6168: 137 5 9
+507: 41 9 2 76 60
+593693: 77 77 16 765 9
+1214074355: 9 4 5 3 9 73 5 7 8 4 855 8
+607244471: 6 3 7 3 1 83 2 510 2 4 6 8
+275: 26 2 9 2 2
+250040507: 24 9 455 585 504
+5137920095731: 44 7 438 78 3 23 573 2
+282926819: 6 4 827 26 812 42 3 32
+80952: 37 2 6 948 2
+8890436: 635 2 7 43 8
+10600: 2 1 8 8 6 6 8 3 91 541 6 5
+23840: 5 86 1 9 4 1 7 511 57 5
+283368: 3 8 8 322 8
+1123947090: 49 3 877 8 1 323 9 342
+25775616: 8 8 6 97 692
+243687944: 650 5 815 32 92
+2855764: 2 1 912 730 1
+2736185924: 835 66 2 53 8 3 31 3 2 2
\ No newline at end of file
diff --git a/2024/gareth/day08/day08.go b/2024/gareth/day08/day08.go
new file mode 100644
index 0000000..ce5a1cd
--- /dev/null
+++ b/2024/gareth/day08/day08.go
@@ -0,0 +1,80 @@
+package day08
+
+import (
+	"math"
+	"strings"
+)
+
+type Coordinate struct {
+	Row int
+	Col int
+}
+
+func Part1(input string) int {
+	grid, antennaMap := parseInput(input)
+	result := findAntinodes(grid, antennaMap, true)
+	return result
+}
+
+func Part2(input string) int {
+	grid, antennaMap := parseInput(input)
+	result := findAntinodes(grid, antennaMap, false)
+	return result
+}
+
+func parseInput(input string) ([][]rune, map[rune][]Coordinate) {
+	lines := strings.Split(input, "\n")
+	rowCount := len(lines)
+	colCount := len(lines[0])
+	grid := make([][]rune, rowCount)
+	antennaMap := make(map[rune][]Coordinate)
+
+	for row := 0; row < rowCount; row++ {
+		grid[row] = []rune(lines[row])
+		for col := 0; col < colCount; col++ {
+			frequency := grid[row][col]
+			if frequency != '.' {
+				antennaMap[frequency] = append(antennaMap[frequency], Coordinate{Row: row, Col: col})
+			}
+		}
+	}
+
+	return grid, antennaMap
+}
+
+func findAntinodes(grid [][]rune, antennaMap map[rune][]Coordinate, onlySpecial bool) int {
+	rowCount := len(grid)
+	colCount := len(grid[0])
+	uniqueAntinodes := make(map[Coordinate]struct{})
+
+	for row := 0; row < rowCount; row++ {
+		for col := 0; col < colCount; col++ {
+			for _, antennaPositions := range antennaMap {
+				for i, firstAntenna := range antennaPositions {
+					for j, secondAntenna := range antennaPositions {
+						//I know I know thats too many for loops
+						if i != j {
+							distance1 := int(math.Abs(float64(row-firstAntenna.Row)) + math.Abs(float64(col-firstAntenna.Col)))
+							distance2 := int(math.Abs(float64(row-secondAntenna.Row)) + math.Abs(float64(col-secondAntenna.Col)))
+
+							rowDiff1 := row - firstAntenna.Row
+							rowDiff2 := row - secondAntenna.Row
+							colDiff1 := col - firstAntenna.Col
+							colDiff2 := col - secondAntenna.Col
+
+							if rowDiff1*colDiff2 == rowDiff2*colDiff1 {
+								if (distance1 == 2*distance2 || distance1*2 == distance2) && onlySpecial {
+									uniqueAntinodes[Coordinate{Row: row, Col: col}] = struct{}{}
+								} else if !onlySpecial {
+									uniqueAntinodes[Coordinate{Row: row, Col: col}] = struct{}{}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return len(uniqueAntinodes)
+}
diff --git a/2024/gareth/day08/day08_test.go b/2024/gareth/day08/day08_test.go
new file mode 100644
index 0000000..f744f8f
--- /dev/null
+++ b/2024/gareth/day08/day08_test.go
@@ -0,0 +1,39 @@
+package day08
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`............
+........0...
+.....0......
+.......0....
+....0.......
+......A.....
+............
+............
+........A...
+.........A..
+............
+............`)
+	assert.Equal(t, 14, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`............
+........0...
+.....0......
+.......0....
+....0.......
+......A.....
+............
+............
+........A...
+.........A..
+............
+............`)
+	assert.Equal(t, 11387, r)
+}
diff --git a/2024/gareth/day08/input.txt b/2024/gareth/day08/input.txt
new file mode 100644
index 0000000..d4fb9a8
--- /dev/null
+++ b/2024/gareth/day08/input.txt
@@ -0,0 +1,50 @@
+........................E...j......W..........L...
+............................O........E.........L..
+..q......O...........l....................K.......
+............q...................HM......W.........
+................................1..H...........IW.
+....................5.............................
+..........k........M...wl............6............
+.....O.......w...k.....5.8..l......K.........o.6..
+.......k....w.........5.........R.....o........K..
+.....q..X..............j........E...I.........K...
+............O..........E........................H.
+................Mn.h2.w.p....................H....
+..................p.......a............j.....L....
+.....X...l.p.....................m.........W..6...
+..Xq................A..................R..m.......
+.........................i..........a..........R..
+...........u.....................a........I.....2.
+k..............A..n.........R.................o...
+................n.................Qo..............
+..........u.A.........h........2..................
+...5.......Y.....p...............iN...............
+1...x.....................i.......................
+........M..............2.....Qi...................
+...............................I..e...............
+......u......A...........m..........h.............
+.......1...........U.............Qm.......j.......
+.......X.......................................9..
+.....u........U.......Y...........................
+.............................h.e..................
+..................4....e......Q.....L....N........
+.1..................4.......................y8....
+.........Y................................8.N.....
+............P.0J...........3..........8y..........
+....V3P..........J................................
+............U..P...7x...........e.................
+....................J...............r...9.........
+.........0.V......Y...............................
+...............V.4................................
+..........V..........................n............
+..............v........7..........................
+...........U..........J.......7...................
+.....v........7..........................a........
+.......................................r..........
+...........0.......x................y.............
+............6..v.x.....................N..........
+...........P......................................
+........3.......................r......4..........
+..............3......................y............
+................................................9.
+.................................................9
\ No newline at end of file
diff --git a/2024/gareth/day09/day09.go b/2024/gareth/day09/day09.go
new file mode 100644
index 0000000..c2e12df
--- /dev/null
+++ b/2024/gareth/day09/day09.go
@@ -0,0 +1,104 @@
+package day09
+
+func Part1(input string) int {
+	files, gaps, lengthOfFinalFile := parseInput(input)
+	checksum := compactFiles(files, gaps, lengthOfFinalFile)
+	return checksum
+}
+
+func Part2(input string) int {
+	files, freeSpaces := parseInputPart2(input)
+	checksum := calculateChecksum(files, freeSpaces)
+	return checksum
+}
+
+func parseInput(input string) ([]int, []int, int) {
+	var files []int
+	var gaps []int
+	lengthOfFinalFile := 0
+	for i, char := range input {
+		if i%2 == 0 {
+			files = append(files, int(char-'0'))
+			lengthOfFinalFile += int(char - '0')
+		} else {
+			gaps = append(gaps, int(char-'0'))
+		}
+	}
+	return files, gaps, lengthOfFinalFile
+}
+
+func parseInputPart2(input string) ([][]int, [][]int) {
+	files, freeSpaces, position := [][]int{}, [][]int{}, 0
+	for index, char := range input {
+		length := int(char - '0')
+		if index%2 == 0 {
+			files = append(files, generateRange(position, position+length))
+		} else {
+			freeSpaces = append(freeSpaces, generateRange(position, position+length))
+		}
+		position += length
+	}
+	return files, freeSpaces
+}
+
+func compactFiles(files []int, gaps []int, lengthOfFinalFile int) int {
+	fileIndex := len(files) - 1
+	gapIndex := 0
+	position := files[0]
+	checksum := 0
+	fileID := files[0]
+
+	for lengthOfFinalFile != position {
+		// If there's a gap and a file to move then move the file
+		if gaps[gapIndex] > 0 && files[fileIndex] > 0 {
+			files[fileIndex]--
+			gaps[gapIndex]--
+			checksum += fileIndex * position
+			position++
+		}
+
+		// If this file is fully moved go to next file
+		if files[fileIndex] == 0 {
+			fileIndex--
+			fileID++
+		}
+
+		// Update gapIndex if this gap is filled
+		if gaps[gapIndex] == 0 {
+			gapIndex++
+			for f := 0; f < files[gapIndex]; f++ {
+				checksum += gapIndex * position
+				position++
+			}
+		}
+	}
+
+	return checksum
+}
+
+func generateRange(start, end int) []int {
+	rangeList := make([]int, end-start)
+	for i := range rangeList {
+		rangeList[i] = start + i
+	}
+	return rangeList
+}
+
+func calculateChecksum(files, freeSpaces [][]int) int {
+	checksum := 0
+	for fileIndex := len(files) - 1; fileIndex >= 0; fileIndex-- {
+		for spaceIndex := 0; spaceIndex < len(freeSpaces); spaceIndex++ {
+			if len(freeSpaces[spaceIndex]) >= len(files[fileIndex]) && files[fileIndex][0] > freeSpaces[spaceIndex][0] {
+				files[fileIndex] = freeSpaces[spaceIndex][:len(files[fileIndex])]
+				freeSpaces[spaceIndex] = freeSpaces[spaceIndex][len(files[fileIndex]):]
+			}
+		}
+	}
+
+	for fileID, file := range files {
+		for _, block := range file {
+			checksum += fileID * block
+		}
+	}
+	return checksum
+}
diff --git a/2024/gareth/day09/day09_test.go b/2024/gareth/day09/day09_test.go
new file mode 100644
index 0000000..b9de485
--- /dev/null
+++ b/2024/gareth/day09/day09_test.go
@@ -0,0 +1,22 @@
+package day09
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`12345`)
+	assert.Equal(t, 60, r)
+}
+
+func TestPart1Long(t *testing.T) {
+	r := Part1(`2333133121414131402`)
+	assert.Equal(t, 1928, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`2333133121414131402`)
+	assert.Equal(t, 2858, r)
+}
diff --git a/2024/gareth/day09/input.txt b/2024/gareth/day09/input.txt
new file mode 100644
index 0000000..b5ab7ba
--- /dev/null
+++ b/2024/gareth/day09/input.txt
@@ -0,0 +1 @@
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
\ No newline at end of file
diff --git a/2024/gareth/day10/day10.go b/2024/gareth/day10/day10.go
new file mode 100644
index 0000000..ef1dda7
--- /dev/null
+++ b/2024/gareth/day10/day10.go
@@ -0,0 +1,141 @@
+package day10
+
+import (
+	"strings"
+)
+
+var directions = [][2]int{
+	{-1, 0},
+	{1, 0},
+	{0, -1},
+	{0, 1},
+}
+
+func Part1(input string) int {
+	grid := ParseInput(input)
+	return CalculateTotalTrailheadScore(grid)
+}
+
+func Part2(input string) int {
+	grid := ParseInput(input)
+	return CalculateTotalTrailheadRating(grid)
+}
+
+func ParseInput(input string) [][]int {
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+	grid := make([][]int, len(lines))
+	for i, line := range lines {
+		grid[i] = make([]int, len(line))
+		for j, char := range line {
+			grid[i][j] = int(char - '0')
+		}
+	}
+	return grid
+}
+
+func IsValidPosition(x, y, rows, cols int) bool {
+	return x >= 0 && x < rows && y >= 0 && y < cols
+}
+
+func DFS(grid [][]int, x, y, prevHeight int, visited [][]bool, reached9 map[[2]int]bool) {
+	rows := len(grid)
+	cols := len(grid[0])
+	if !IsValidPosition(x, y, rows, cols) || visited[x][y] || grid[x][y] != prevHeight+1 {
+		return
+	}
+
+	if grid[x][y] == 9 {
+		reached9[[2]int{x, y}] = true
+		return
+	}
+
+	visited[x][y] = true
+	for _, dir := range directions {
+		nx, ny := x+dir[0], y+dir[1]
+		DFS(grid, nx, ny, grid[x][y], visited, reached9)
+	}
+	visited[x][y] = false
+}
+
+func CalculateTrailheadScore(grid [][]int, x, y int) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	visited := make([][]bool, rows)
+	for i := range visited {
+		visited[i] = make([]bool, cols)
+	}
+
+	reached9 := make(map[[2]int]bool)
+	DFS(grid, x, y, -1, visited, reached9)
+	return len(reached9)
+}
+
+func DFSForRatings(grid [][]int, x, y, prevHeight int, visited [][]bool, trailCache map[[3]int]int) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	if !IsValidPosition(x, y, rows, cols) || visited[x][y] || grid[x][y] != prevHeight+1 {
+		return 0
+	}
+
+	if grid[x][y] == 9 {
+		return 1
+	}
+
+	cacheKey := [3]int{x, y, grid[x][y]}
+	if count, exists := trailCache[cacheKey]; exists {
+		return count
+	}
+
+	visited[x][y] = true
+	totalTrails := 0
+	for _, dir := range directions {
+		nx, ny := x+dir[0], y+dir[1]
+		totalTrails += DFSForRatings(grid, nx, ny, grid[x][y], visited, trailCache)
+	}
+	visited[x][y] = false
+
+	trailCache[cacheKey] = totalTrails
+	return totalTrails
+}
+
+func CalculateTrailheadRating(grid [][]int, x, y int) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	visited := make([][]bool, rows)
+	for i := range visited {
+		visited[i] = make([]bool, cols)
+	}
+
+	trailCache := make(map[[3]int]int)
+	return DFSForRatings(grid, x, y, -1, visited, trailCache)
+}
+
+func CalculateTotalTrailheadScore(grid [][]int) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	totalScore := 0
+	for i := 0; i < rows; i++ {
+		for j := 0; j < cols; j++ {
+			if grid[i][j] == 0 {
+				score := CalculateTrailheadScore(grid, i, j)
+				totalScore += score
+			}
+		}
+	}
+	return totalScore
+}
+
+func CalculateTotalTrailheadRating(grid [][]int) int {
+	rows := len(grid)
+	cols := len(grid[0])
+	totalRating := 0
+	for i := 0; i < rows; i++ {
+		for j := 0; j < cols; j++ {
+			if grid[i][j] == 0 {
+				rating := CalculateTrailheadRating(grid, i, j)
+				totalRating += rating
+			}
+		}
+	}
+	return totalRating
+}
diff --git a/2024/gareth/day10/day10_test.go b/2024/gareth/day10/day10_test.go
new file mode 100644
index 0000000..547889b
--- /dev/null
+++ b/2024/gareth/day10/day10_test.go
@@ -0,0 +1,31 @@
+package day10
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732`)
+	assert.Equal(t, 36, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732`)
+	assert.Equal(t, 81, r)
+}
diff --git a/2024/gareth/day10/input.txt b/2024/gareth/day10/input.txt
new file mode 100644
index 0000000..a6f2793
--- /dev/null
+++ b/2024/gareth/day10/input.txt
@@ -0,0 +1,45 @@
+987123434330121232101001234730123456781067632
+876076576521010345692340349823212347892398701
+945087689432105676787659856714503210987445610
+332196576587654989801456787609654502376530923
+211543210298923215432321098128778901430121894
+300692340147210106523543210039569876589836765
+456781678236103267015693016543410231276745650
+576890549345234178106782187612320140345654321
+985098432100125089235493498109876056034765012
+834127102345456978340362569018765487123876678
+123236221976347869651251078729034398101985589
+014545340889298958707867897430120987012834432
+105965456770107843216950956541231276543124501
+896872378761016930345441019876501345678023670
+787901069654325321210332398545432330589012981
+107821543213034321089206787638901421432103210
+215430694102123475670115896129876548901210349
+126989780210014984308924925014578037654321458
+037878921001235675217833210123669123109452367
+549865438901045102346542106548754321278501476
+678954987432696201256430087239689870347699985
+230143006501787349961021298101236787656788014
+123272112981010458872787034010345691875107623
+054387623472129867763698125676210010961234510
+565694502561036789854567012980387121250129878
+676783411051045672343218763901296030343278569
+989872123432345891050109654812345145467303450
+012763094321056700891760345765432256958912341
+103450185789763211709851236876301967843211032
+814321276656854345612345654954101878701208983
+923434434565956745678036783063210989870345674
+874532345410345832989123192178981876781456564
+265101654323234901808765013265432185692387565
+103216765432101267814554323476501094501893474
+232109856321011876923601098789678923432102985
+343898707896540945498712367765672310567891078
+456789010987231234321203456894581455454986569
+556776125670102343100157654503490166303890432
+543895434894321765212348983212321876212761201
+432104898765010894301054581200110955211654300
+301256567656987105498765690341034567300563212
+434567430547896234787654785652123498456767843
+321798121032345375696543098743096567877854952
+210899021121036789781232143456787656928923761
+326765430110145678710123232109876543210010890
\ No newline at end of file
diff --git a/2024/gareth/day11/day11.go b/2024/gareth/day11/day11.go
new file mode 100644
index 0000000..4876cac
--- /dev/null
+++ b/2024/gareth/day11/day11.go
@@ -0,0 +1,89 @@
+package day11
+
+import (
+	"strconv"
+	"strings"
+)
+
+func Part1(input string) int {
+	stones := ParseInput(input)
+	return len(blinkTimes(stones, 25))
+}
+
+func Part2(input string) int {
+	stones := ParseInput(input)
+	return getNumStones(stones, 75)
+}
+
+func ParseInput(input string) []int {
+	strStones := strings.Split(strings.TrimSpace(input), " ")
+	stones := make([]int, 0, len(strStones))
+	for _, s := range strStones {
+		num, _ := strconv.Atoi(s)
+		stones = append(stones, num)
+	}
+	return stones
+}
+
+// Part 1 initial thought of recursion
+func blinkTimes(stones []int, times int) []int {
+	if times <= 0 {
+		return stones
+	}
+	result := blink(stones)
+	return blinkTimes(result, times-1)
+}
+
+func blink(stones []int) []int {
+	result := make([]int, 0)
+	for _, stone := range stones {
+		strStone := strconv.Itoa(stone)
+		if stone == 0 {
+			result = append(result, 1)
+		} else if len(strStone)%2 == 0 {
+			mid := len(strStone) / 2
+			firstHalf, _ := strconv.Atoi(strStone[:mid])
+			secondHalf, _ := strconv.Atoi(strStone[mid:])
+			result = append(result, firstHalf, secondHalf)
+		} else {
+			result = append(result, stone*2024)
+		}
+	}
+	return result
+}
+
+// Part 2 with maps since blinkTimes(75) would set my computer on fire
+func getNumStones(s []int, times int) int {
+	stoneMap := make(map[int]int)
+	for _, stone := range s {
+		stoneMap[stone] = stoneMap[stone] + 1
+	}
+
+	for i := 0; i < times; i++ {
+		stoneMap2 := make(map[int]int)
+		for stone, count := range stoneMap {
+			stones := make([]int, 0)
+			strStone := strconv.Itoa(stone)
+			if stone == 0 {
+				stones = append(stones, 1)
+			} else if len(strStone)%2 == 0 {
+				mid := len(strStone) / 2
+				firstHalf, _ := strconv.Atoi(strStone[:mid])
+				secondHalf, _ := strconv.Atoi(strStone[mid:])
+				stones = append(stones, firstHalf, secondHalf)
+			} else {
+				stones = append(stones, stone*2024)
+			}
+			for _, newStone := range stones {
+				stoneMap2[newStone] = stoneMap2[newStone] + count
+			}
+		}
+		stoneMap = stoneMap2
+	}
+
+	result := 0
+	for _, count := range stoneMap {
+		result += count
+	}
+	return result
+}
diff --git a/2024/gareth/day11/day11_test.go b/2024/gareth/day11/day11_test.go
new file mode 100644
index 0000000..56c3825
--- /dev/null
+++ b/2024/gareth/day11/day11_test.go
@@ -0,0 +1,12 @@
+package day11
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`125 17`)
+	assert.Equal(t, 55312, r)
+}
diff --git a/2024/gareth/day11/input.txt b/2024/gareth/day11/input.txt
new file mode 100644
index 0000000..ae72b37
--- /dev/null
+++ b/2024/gareth/day11/input.txt
@@ -0,0 +1 @@
+965842 9159 3372473 311 0 6 86213 48
\ No newline at end of file
diff --git a/2024/gareth/day13/day13.go b/2024/gareth/day13/day13.go
new file mode 100644
index 0000000..3d038b1
--- /dev/null
+++ b/2024/gareth/day13/day13.go
@@ -0,0 +1,76 @@
+package day13
+
+import (
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+type ClawMachine struct {
+	Ax, Ay int
+	Bx, By int
+	Px, Py int
+}
+
+func Part1(input string) int {
+	clawMachines := parseInput(input)
+	total := 0
+	for _, c := range clawMachines {
+		x, y := solveSimEquations(c.Ax, c.Bx, c.Px, c.Ay, c.By, c.Py)
+		total += x*3 + y
+	}
+	return total
+}
+
+func Part2(input string) int {
+	clawMachines := parseInput(input)
+	total := 0
+	for _, c := range clawMachines {
+		prizeX, prizeY := c.Px+10000000000000, c.Py+10000000000000
+		det, x, y := c.Ax*c.By-c.Bx*c.Ay, prizeX*c.By-c.Bx*prizeY, c.Ax*prizeY-prizeX*c.Ay
+		if det != 0 && x == (x/det)*det && y == (y/det)*det {
+			total += (x/det)*3 + (y / det)
+		}
+	}
+
+	return total
+}
+
+func parseInput(input string) []ClawMachine {
+	clawMachines := strings.Split(strings.TrimSpace(input), "\n\n")
+	output := make([]ClawMachine, 0, len(clawMachines))
+	for _, c := range clawMachines {
+		var clawMachine ClawMachine
+		line := strings.Split(strings.TrimSpace(c), "\n")
+
+		re := regexp.MustCompile(`X\+(\d+), Y\+(\d+)`)
+		matches := re.FindStringSubmatch(line[0])
+		clawMachine.Ax, _ = strconv.Atoi(matches[1])
+		clawMachine.Ay, _ = strconv.Atoi(matches[2])
+
+		matches = re.FindStringSubmatch(line[1])
+		clawMachine.Bx, _ = strconv.Atoi(matches[1])
+		clawMachine.By, _ = strconv.Atoi(matches[2])
+
+		re = regexp.MustCompile(`X=(\d+), Y=(\d+)`)
+		matches = re.FindStringSubmatch(line[2])
+		clawMachine.Px, _ = strconv.Atoi(matches[1])
+		clawMachine.Py, _ = strconv.Atoi(matches[2])
+
+		output = append(output, clawMachine)
+	}
+	return output
+}
+
+func solveSimEquations(a1, b1, c1, a2, b2, c2 int) (int, int) {
+	det := a1*b2 - a2*b1
+	if det == 0 || (c1*b2-c2*b1)%det != 0 || (a1*c2-a2*c1)%det != 0 {
+		return 0, 0
+	}
+	x := (c1*b2 - c2*b1) / det
+	y := (a1*c2 - a2*c1) / det
+	if x < 0 || x > 100 || y < 0 || y > 100 {
+		return 0, 0
+	}
+	return x, y
+}
diff --git a/2024/gareth/day13/day13_test.go b/2024/gareth/day13/day13_test.go
new file mode 100644
index 0000000..209a74f
--- /dev/null
+++ b/2024/gareth/day13/day13_test.go
@@ -0,0 +1,45 @@
+package day13
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279`)
+	assert.Equal(t, 480, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279`)
+	assert.Equal(t, 0, r)
+}
diff --git a/2024/gareth/day13/input.txt b/2024/gareth/day13/input.txt
new file mode 100644
index 0000000..ad39ae5
--- /dev/null
+++ b/2024/gareth/day13/input.txt
@@ -0,0 +1,1279 @@
+Button A: X+54, Y+22
+Button B: X+36, Y+62
+Prize: X=19754, Y=14184
+
+Button A: X+20, Y+68
+Button B: X+34, Y+13
+Prize: X=15660, Y=15792
+
+Button A: X+63, Y+17
+Button B: X+11, Y+28
+Prize: X=2658, Y=11605
+
+Button A: X+15, Y+56
+Button B: X+74, Y+29
+Prize: X=9393, Y=11622
+
+Button A: X+34, Y+97
+Button B: X+83, Y+35
+Prize: X=3876, Y=4197
+
+Button A: X+14, Y+62
+Button B: X+75, Y+27
+Prize: X=12989, Y=4061
+
+Button A: X+46, Y+17
+Button B: X+15, Y+54
+Prize: X=15841, Y=336
+
+Button A: X+19, Y+61
+Button B: X+69, Y+12
+Prize: X=204, Y=7413
+
+Button A: X+34, Y+14
+Button B: X+29, Y+40
+Prize: X=2353, Y=10368
+
+Button A: X+64, Y+32
+Button B: X+25, Y+48
+Prize: X=3273, Y=304
+
+Button A: X+18, Y+60
+Button B: X+66, Y+30
+Prize: X=11594, Y=2330
+
+Button A: X+65, Y+47
+Button B: X+11, Y+29
+Prize: X=4677, Y=195
+
+Button A: X+13, Y+23
+Button B: X+42, Y+14
+Prize: X=7115, Y=12417
+
+Button A: X+81, Y+55
+Button B: X+26, Y+93
+Prize: X=2703, Y=5678
+
+Button A: X+50, Y+96
+Button B: X+74, Y+20
+Prize: X=8694, Y=9856
+
+Button A: X+19, Y+54
+Button B: X+74, Y+36
+Prize: X=6145, Y=9170
+
+Button A: X+45, Y+76
+Button B: X+43, Y+15
+Prize: X=4194, Y=5627
+
+Button A: X+28, Y+91
+Button B: X+94, Y+48
+Prize: X=2282, Y=2009
+
+Button A: X+70, Y+35
+Button B: X+33, Y+83
+Prize: X=4786, Y=3856
+
+Button A: X+14, Y+89
+Button B: X+38, Y+40
+Prize: X=2186, Y=3415
+
+Button A: X+55, Y+19
+Button B: X+43, Y+79
+Prize: X=4737, Y=2757
+
+Button A: X+32, Y+76
+Button B: X+60, Y+17
+Prize: X=11124, Y=5467
+
+Button A: X+33, Y+62
+Button B: X+50, Y+21
+Prize: X=4940, Y=12625
+
+Button A: X+56, Y+14
+Button B: X+48, Y+92
+Prize: X=2888, Y=962
+
+Button A: X+14, Y+58
+Button B: X+83, Y+30
+Prize: X=6249, Y=5488
+
+Button A: X+47, Y+83
+Button B: X+47, Y+11
+Prize: X=7153, Y=15685
+
+Button A: X+35, Y+68
+Button B: X+52, Y+16
+Prize: X=12241, Y=14956
+
+Button A: X+46, Y+72
+Button B: X+56, Y+25
+Prize: X=6054, Y=4401
+
+Button A: X+35, Y+57
+Button B: X+43, Y+14
+Prize: X=10516, Y=12390
+
+Button A: X+29, Y+56
+Button B: X+41, Y+25
+Prize: X=6288, Y=2319
+
+Button A: X+73, Y+19
+Button B: X+59, Y+86
+Prize: X=9965, Y=8669
+
+Button A: X+13, Y+43
+Button B: X+49, Y+13
+Prize: X=12137, Y=19559
+
+Button A: X+17, Y+65
+Button B: X+67, Y+22
+Prize: X=1910, Y=15266
+
+Button A: X+55, Y+27
+Button B: X+11, Y+43
+Prize: X=7767, Y=5007
+
+Button A: X+26, Y+18
+Button B: X+35, Y+94
+Prize: X=4719, Y=9616
+
+Button A: X+37, Y+81
+Button B: X+58, Y+13
+Prize: X=11010, Y=1876
+
+Button A: X+66, Y+43
+Button B: X+17, Y+88
+Prize: X=6227, Y=5057
+
+Button A: X+36, Y+66
+Button B: X+61, Y+31
+Prize: X=1642, Y=10702
+
+Button A: X+54, Y+17
+Button B: X+15, Y+50
+Prize: X=17444, Y=2332
+
+Button A: X+33, Y+74
+Button B: X+47, Y+16
+Prize: X=1127, Y=13206
+
+Button A: X+45, Y+93
+Button B: X+84, Y+43
+Prize: X=9867, Y=10858
+
+Button A: X+35, Y+99
+Button B: X+64, Y+33
+Prize: X=3780, Y=5511
+
+Button A: X+29, Y+62
+Button B: X+46, Y+24
+Prize: X=14412, Y=6932
+
+Button A: X+91, Y+18
+Button B: X+21, Y+20
+Prize: X=9303, Y=2474
+
+Button A: X+61, Y+34
+Button B: X+30, Y+75
+Prize: X=6835, Y=7015
+
+Button A: X+32, Y+82
+Button B: X+46, Y+12
+Prize: X=7126, Y=14580
+
+Button A: X+30, Y+47
+Button B: X+36, Y+11
+Prize: X=13922, Y=14563
+
+Button A: X+79, Y+39
+Button B: X+12, Y+43
+Prize: X=15040, Y=13839
+
+Button A: X+15, Y+14
+Button B: X+20, Y+81
+Prize: X=1075, Y=1502
+
+Button A: X+35, Y+80
+Button B: X+45, Y+11
+Prize: X=10380, Y=11870
+
+Button A: X+50, Y+36
+Button B: X+21, Y+58
+Prize: X=4389, Y=3546
+
+Button A: X+31, Y+95
+Button B: X+60, Y+14
+Prize: X=5432, Y=4076
+
+Button A: X+96, Y+20
+Button B: X+64, Y+77
+Prize: X=3424, Y=2687
+
+Button A: X+15, Y+51
+Button B: X+60, Y+26
+Prize: X=1505, Y=19741
+
+Button A: X+37, Y+12
+Button B: X+33, Y+78
+Prize: X=10344, Y=13604
+
+Button A: X+70, Y+93
+Button B: X+84, Y+21
+Prize: X=9184, Y=8034
+
+Button A: X+33, Y+85
+Button B: X+99, Y+59
+Prize: X=4356, Y=2988
+
+Button A: X+26, Y+27
+Button B: X+13, Y+60
+Prize: X=1105, Y=3240
+
+Button A: X+55, Y+31
+Button B: X+21, Y+46
+Prize: X=7181, Y=11070
+
+Button A: X+20, Y+54
+Button B: X+41, Y+32
+Prize: X=2979, Y=3400
+
+Button A: X+35, Y+19
+Button B: X+33, Y+60
+Prize: X=10334, Y=11024
+
+Button A: X+84, Y+21
+Button B: X+29, Y+79
+Prize: X=9575, Y=6340
+
+Button A: X+58, Y+24
+Button B: X+15, Y+64
+Prize: X=10518, Y=6264
+
+Button A: X+41, Y+12
+Button B: X+45, Y+69
+Prize: X=10120, Y=8966
+
+Button A: X+87, Y+28
+Button B: X+14, Y+67
+Prize: X=6242, Y=6571
+
+Button A: X+12, Y+28
+Button B: X+65, Y+24
+Prize: X=1515, Y=12044
+
+Button A: X+85, Y+24
+Button B: X+29, Y+37
+Prize: X=7600, Y=2434
+
+Button A: X+34, Y+92
+Button B: X+94, Y+69
+Prize: X=9882, Y=12282
+
+Button A: X+11, Y+37
+Button B: X+23, Y+12
+Prize: X=848, Y=8448
+
+Button A: X+52, Y+28
+Button B: X+33, Y+63
+Prize: X=3429, Y=6843
+
+Button A: X+57, Y+13
+Button B: X+56, Y+55
+Prize: X=4314, Y=1744
+
+Button A: X+81, Y+24
+Button B: X+12, Y+59
+Prize: X=13487, Y=6933
+
+Button A: X+72, Y+50
+Button B: X+15, Y+40
+Prize: X=8927, Y=9290
+
+Button A: X+68, Y+27
+Button B: X+16, Y+30
+Prize: X=2728, Y=2904
+
+Button A: X+66, Y+13
+Button B: X+54, Y+65
+Prize: X=6060, Y=1846
+
+Button A: X+56, Y+86
+Button B: X+88, Y+44
+Prize: X=5840, Y=4138
+
+Button A: X+44, Y+80
+Button B: X+46, Y+15
+Prize: X=15084, Y=8430
+
+Button A: X+50, Y+18
+Button B: X+13, Y+60
+Prize: X=6386, Y=6944
+
+Button A: X+15, Y+63
+Button B: X+67, Y+14
+Prize: X=12210, Y=802
+
+Button A: X+22, Y+65
+Button B: X+65, Y+33
+Prize: X=2817, Y=4983
+
+Button A: X+23, Y+37
+Button B: X+51, Y+11
+Prize: X=4351, Y=1387
+
+Button A: X+58, Y+39
+Button B: X+14, Y+50
+Prize: X=2678, Y=3343
+
+Button A: X+13, Y+80
+Button B: X+65, Y+68
+Prize: X=4784, Y=5536
+
+Button A: X+47, Y+93
+Button B: X+84, Y+33
+Prize: X=5496, Y=3948
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+Button A: X+63, Y+15
+Button B: X+15, Y+47
+Prize: X=13439, Y=17391
+
+Button A: X+20, Y+41
+Button B: X+38, Y+23
+Prize: X=2052, Y=10086
+
+Button A: X+14, Y+66
+Button B: X+84, Y+28
+Prize: X=16902, Y=10730
+
+Button A: X+27, Y+12
+Button B: X+17, Y+43
+Prize: X=9367, Y=12201
+
+Button A: X+30, Y+49
+Button B: X+40, Y+20
+Prize: X=8430, Y=10049
+
+Button A: X+82, Y+22
+Button B: X+46, Y+97
+Prize: X=3798, Y=4236
+
+Button A: X+56, Y+55
+Button B: X+94, Y+13
+Prize: X=6522, Y=5533
+
+Button A: X+39, Y+41
+Button B: X+59, Y+16
+Prize: X=4261, Y=3559
+
+Button A: X+59, Y+18
+Button B: X+11, Y+63
+Prize: X=15316, Y=10169
+
+Button A: X+59, Y+55
+Button B: X+20, Y+98
+Prize: X=375, Y=667
+
+Button A: X+11, Y+93
+Button B: X+64, Y+67
+Prize: X=6699, Y=14917
+
+Button A: X+13, Y+46
+Button B: X+48, Y+15
+Prize: X=1661, Y=1232
+
+Button A: X+36, Y+99
+Button B: X+85, Y+42
+Prize: X=2224, Y=3048
+
+Button A: X+11, Y+75
+Button B: X+28, Y+22
+Prize: X=2614, Y=6168
+
+Button A: X+21, Y+97
+Button B: X+94, Y+81
+Prize: X=7763, Y=8662
+
+Button A: X+34, Y+13
+Button B: X+26, Y+42
+Prize: X=8612, Y=15869
+
+Button A: X+39, Y+71
+Button B: X+31, Y+13
+Prize: X=19737, Y=5345
+
+Button A: X+21, Y+60
+Button B: X+75, Y+30
+Prize: X=10448, Y=18140
+
+Button A: X+24, Y+49
+Button B: X+47, Y+17
+Prize: X=7371, Y=12446
+
+Button A: X+56, Y+86
+Button B: X+94, Y+41
+Prize: X=3570, Y=4759
+
+Button A: X+14, Y+50
+Button B: X+54, Y+28
+Prize: X=19392, Y=1330
+
+Button A: X+20, Y+67
+Button B: X+52, Y+13
+Prize: X=1000, Y=3692
+
+Button A: X+14, Y+26
+Button B: X+50, Y+21
+Prize: X=7114, Y=9374
+
+Button A: X+19, Y+55
+Button B: X+39, Y+16
+Prize: X=15710, Y=8361
+
+Button A: X+56, Y+14
+Button B: X+63, Y+96
+Prize: X=4851, Y=3540
+
+Button A: X+33, Y+67
+Button B: X+54, Y+24
+Prize: X=5447, Y=1189
+
+Button A: X+39, Y+84
+Button B: X+89, Y+24
+Prize: X=10312, Y=8292
+
+Button A: X+51, Y+19
+Button B: X+53, Y+74
+Prize: X=4001, Y=3498
+
+Button A: X+67, Y+43
+Button B: X+11, Y+36
+Prize: X=4764, Y=9202
+
+Button A: X+21, Y+62
+Button B: X+54, Y+22
+Prize: X=4434, Y=2234
+
+Button A: X+89, Y+87
+Button B: X+24, Y+88
+Prize: X=6501, Y=7323
+
+Button A: X+54, Y+29
+Button B: X+28, Y+51
+Prize: X=13224, Y=17258
+
+Button A: X+62, Y+45
+Button B: X+39, Y+94
+Prize: X=4796, Y=9262
+
+Button A: X+45, Y+23
+Button B: X+12, Y+52
+Prize: X=11084, Y=11636
+
+Button A: X+22, Y+37
+Button B: X+48, Y+25
+Prize: X=5514, Y=11182
+
+Button A: X+15, Y+38
+Button B: X+75, Y+39
+Prize: X=16520, Y=17711
+
+Button A: X+78, Y+11
+Button B: X+49, Y+92
+Prize: X=9365, Y=6341
+
+Button A: X+98, Y+14
+Button B: X+13, Y+64
+Prize: X=5741, Y=2498
+
+Button A: X+13, Y+63
+Button B: X+61, Y+20
+Prize: X=13770, Y=14824
+
+Button A: X+21, Y+38
+Button B: X+62, Y+37
+Prize: X=17864, Y=15513
+
+Button A: X+24, Y+21
+Button B: X+15, Y+62
+Prize: X=1476, Y=4224
+
+Button A: X+16, Y+75
+Button B: X+52, Y+12
+Prize: X=468, Y=8849
+
+Button A: X+14, Y+41
+Button B: X+46, Y+22
+Prize: X=2040, Y=1353
+
+Button A: X+49, Y+16
+Button B: X+29, Y+54
+Prize: X=10446, Y=18614
+
+Button A: X+11, Y+69
+Button B: X+75, Y+18
+Prize: X=10963, Y=2327
+
+Button A: X+37, Y+64
+Button B: X+47, Y+20
+Prize: X=18201, Y=3324
+
+Button A: X+99, Y+14
+Button B: X+87, Y+75
+Prize: X=14862, Y=6177
+
+Button A: X+12, Y+58
+Button B: X+82, Y+33
+Prize: X=7438, Y=6507
+
+Button A: X+72, Y+13
+Button B: X+13, Y+79
+Prize: X=14160, Y=11952
+
+Button A: X+24, Y+55
+Button B: X+73, Y+39
+Prize: X=12196, Y=4761
+
+Button A: X+47, Y+28
+Button B: X+21, Y+52
+Prize: X=969, Y=9732
+
+Button A: X+57, Y+29
+Button B: X+15, Y+30
+Prize: X=17750, Y=13700
+
+Button A: X+40, Y+23
+Button B: X+13, Y+26
+Prize: X=13248, Y=14881
+
+Button A: X+68, Y+13
+Button B: X+85, Y+90
+Prize: X=9707, Y=6207
+
+Button A: X+47, Y+23
+Button B: X+19, Y+57
+Prize: X=2226, Y=13254
\ No newline at end of file
diff --git a/2024/gareth/day14/day14.go b/2024/gareth/day14/day14.go
new file mode 100644
index 0000000..d16f089
--- /dev/null
+++ b/2024/gareth/day14/day14.go
@@ -0,0 +1,172 @@
+package day14
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type Robot struct {
+	px, py int // position
+	vx, vy int // velocity
+}
+
+func Part1(input string) int {
+	// Parse the input
+	lines := strings.Split(input, "\n")
+	var robots []Robot
+	for _, line := range lines {
+		robot := ParseRobot(line)
+		robots = append(robots, robot)
+	}
+
+	// Define grid size
+	gridWidth := 101
+	gridHeight := 103
+
+	// Update robot positions for 100 seconds
+	for i := 0; i < 100; i++ {
+		for j := range robots {
+			robots[j].UpdatePosition(gridWidth, gridHeight)
+		}
+	}
+
+	// Count the robots in each quadrant
+	q1, q2, q3, q4 := CountRobotsInQuadrants(robots, gridWidth, gridHeight)
+	fmt.Printf("Quadrant counts: Q1=%d, Q2=%d, Q3=%d, Q4=%d\n", q1, q2, q3, q4)
+
+	// Calculate the safety factor
+	safetyFactor := CalculateSafetyFactor(q1, q2, q3, q4)
+	fmt.Printf("Safety Factor: %d\n", safetyFactor)
+	return safetyFactor
+}
+
+func Part2(input string) int {
+	// Parse the input
+	lines := strings.Split(input, "\n")
+	var robots []Robot
+	for _, line := range lines {
+		robot := ParseRobot(line)
+		robots = append(robots, robot)
+	}
+
+	// Define grid size
+	gridWidth := 101
+	gridHeight := 103
+
+	// Update robot positions for 100 seconds
+	for i := 0; i < 6285; i++ {
+		for j := range robots {
+			robots[j].UpdatePosition(gridWidth, gridHeight)
+		}
+	}
+
+	DisplayGrid(robots, gridWidth, gridHeight)
+	return 2
+}
+
+// ParseRobot takes a line of input and converts it to a Robot struct
+func ParseRobot(line string) Robot {
+	parts := strings.Split(line, " ")
+	posParts := strings.Split(parts[0][2:], ",") // Extract p=x,y and split
+	velParts := strings.Split(parts[1][2:], ",") // Extract v=x,y and split
+
+	px, _ := strconv.Atoi(posParts[0])
+	py, _ := strconv.Atoi(posParts[1])
+	vx, _ := strconv.Atoi(velParts[0])
+	vy, _ := strconv.Atoi(velParts[1])
+
+	return Robot{px, py, vx, vy}
+}
+
+// UpdatePosition updates the position of a robot, considering the wrap-around
+func (r *Robot) UpdatePosition(gridWidth, gridHeight int) {
+	r.px = (r.px + r.vx + gridWidth) % gridWidth
+	r.py = (r.py + r.vy + gridHeight) % gridHeight
+}
+
+// CountRobotsInQuadrants counts the number of robots in each of the four quadrants
+func CountRobotsInQuadrants(robots []Robot, width, height int) (int, int, int, int) {
+	midX := width / 2
+	midY := height / 2
+
+	q1, q2, q3, q4 := 0, 0, 0, 0
+
+	for _, r := range robots {
+		if r.px == midX || r.py == midY {
+			// Skip robots on the middle line
+			continue
+		}
+		if r.px < midX && r.py < midY {
+			q1++ // Top-left quadrant
+		} else if r.px > midX && r.py < midY {
+			q2++ // Top-right quadrant
+		} else if r.px < midX && r.py > midY {
+			q3++ // Bottom-left quadrant
+		} else if r.px > midX && r.py > midY {
+			q4++ // Bottom-right quadrant
+		}
+	}
+
+	return q1, q2, q3, q4
+}
+
+// CalculateSafetyFactor multiplies the number of robots in each quadrant
+func CalculateSafetyFactor(q1, q2, q3, q4 int) int {
+	return q1 * q2 * q3 * q4
+}
+
+// DisplayGrid displays the current state of the grid
+func DisplayGrid(robots []Robot, width, height int) {
+	grid := make([][]rune, height)
+	for i := range grid {
+		grid[i] = make([]rune, width)
+		for j := range grid[i] {
+			grid[i][j] = '.'
+		}
+	}
+	for _, r := range robots {
+		grid[r.py][r.px] = '#'
+	}
+	for _, row := range grid {
+		fmt.Println(string(row))
+	}
+}
+
+// FindEasterEgg determines the fewest number of seconds that must elapse for the robots to display the Easter egg
+func FindEasterEgg(robots []Robot, width, height int) int {
+	smallestArea := width * height
+	bestTime := 0
+	for t := 6285; t < 6286; t++ { // Large upper limit to search
+		// Update robot positions
+		for i := range robots {
+			robots[i].UpdatePosition(width, height)
+		}
+		// Calculate the bounding box of all robot positions
+		minX, minY := width, height
+		maxX, maxY := 0, 0
+		for _, r := range robots {
+			if r.px < minX {
+				minX = r.px
+			}
+			if r.px > maxX {
+				maxX = r.px
+			}
+			if r.py < minY {
+				minY = r.py
+			}
+			if r.py > maxY {
+				maxY = r.py
+			}
+		}
+
+		area := (maxX - minX + 1) * (maxY - minY + 1)
+		if area < smallestArea {
+			smallestArea = area
+			bestTime = t + 1
+			fmt.Printf("Time: %d\n", bestTime)
+			DisplayGrid(robots, width, height)
+		}
+	}
+	return bestTime
+}
diff --git a/2024/gareth/day14/day14_test.go b/2024/gareth/day14/day14_test.go
new file mode 100644
index 0000000..ebb51a5
--- /dev/null
+++ b/2024/gareth/day14/day14_test.go
@@ -0,0 +1,23 @@
+package day14
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`p=0,4 v=3,-3
+p=6,3 v=-1,-3
+p=10,3 v=-1,2
+p=2,0 v=2,-1
+p=0,0 v=1,3
+p=3,0 v=-2,-2
+p=7,6 v=-1,-3
+p=3,0 v=-1,-2
+p=9,3 v=2,3
+p=7,3 v=-1,2
+p=2,4 v=2,-3
+p=9,5 v=-3,-3`)
+	assert.Equal(t, 12, r)
+}
diff --git a/2024/gareth/day14/input.txt b/2024/gareth/day14/input.txt
new file mode 100644
index 0000000..e1a6d0a
--- /dev/null
+++ b/2024/gareth/day14/input.txt
@@ -0,0 +1,500 @@
+p=38,76 v=-61,88
+p=28,22 v=-43,-40
+p=76,78 v=-98,87
+p=39,56 v=10,96
+p=38,0 v=79,-15
+p=6,44 v=-88,53
+p=40,80 v=-83,31
+p=11,2 v=28,-31
+p=41,91 v=-86,-48
+p=8,55 v=-81,95
+p=77,19 v=3,-90
+p=94,73 v=-59,42
+p=51,53 v=35,48
+p=12,52 v=72,6
+p=62,61 v=96,47
+p=78,62 v=47,-57
+p=39,54 v=53,50
+p=1,43 v=-64,-46
+p=9,21 v=28,-36
+p=92,79 v=67,-47
+p=6,15 v=-58,-48
+p=54,67 v=99,-38
+p=96,99 v=-55,30
+p=90,44 v=-10,-8
+p=23,84 v=20,77
+p=5,84 v=28,88
+p=55,20 v=-31,-36
+p=84,43 v=-37,-41
+p=12,75 v=-38,30
+p=39,2 v=-12,-29
+p=74,14 v=56,-81
+p=63,53 v=22,-53
+p=51,28 v=9,-90
+p=53,72 v=48,-61
+p=33,42 v=-43,23
+p=75,18 v=-89,-37
+p=38,83 v=27,38
+p=69,31 v=61,80
+p=73,3 v=-45,74
+p=39,29 v=92,17
+p=78,45 v=-23,-47
+p=48,59 v=-57,38
+p=2,41 v=-71,-93
+p=30,13 v=36,-82
+p=37,57 v=25,13
+p=51,73 v=56,-98
+p=76,78 v=38,91
+p=56,49 v=22,55
+p=34,47 v=10,84
+p=83,93 v=81,-16
+p=14,70 v=71,-50
+p=97,74 v=-4,70
+p=33,8 v=93,-35
+p=39,70 v=-2,19
+p=94,63 v=20,44
+p=86,4 v=-33,19
+p=17,67 v=26,44
+p=39,2 v=-70,-25
+p=47,56 v=-79,-55
+p=5,98 v=86,-75
+p=53,21 v=79,-89
+p=53,85 v=61,73
+p=46,32 v=66,54
+p=30,75 v=49,-73
+p=44,81 v=-61,-69
+p=82,66 v=-72,-6
+p=89,76 v=-13,98
+p=57,87 v=30,36
+p=12,41 v=59,-40
+p=36,56 v=10,-61
+p=60,80 v=48,39
+p=50,75 v=-44,42
+p=66,56 v=-93,-1
+p=57,96 v=83,-79
+p=98,88 v=-15,-16
+p=0,63 v=59,44
+p=90,27 v=29,-40
+p=21,60 v=-86,2
+p=85,13 v=11,61
+p=92,77 v=24,-34
+p=16,24 v=80,4
+p=47,8 v=-79,-49
+p=1,28 v=-82,-48
+p=80,55 v=6,-72
+p=60,94 v=-67,-15
+p=83,90 v=-98,78
+p=3,75 v=46,-66
+p=93,40 v=15,11
+p=52,37 v=48,7
+p=23,4 v=-47,25
+p=46,43 v=57,-98
+p=23,12 v=-98,-36
+p=11,42 v=-83,50
+p=80,33 v=25,54
+p=59,95 v=-1,36
+p=55,67 v=-44,-60
+p=90,80 v=83,-39
+p=57,61 v=-1,96
+p=51,79 v=31,39
+p=28,89 v=85,35
+p=12,98 v=28,-80
+p=25,61 v=-95,-50
+p=77,84 v=-37,78
+p=50,80 v=66,89
+p=93,32 v=-15,-45
+p=30,4 v=-96,-29
+p=81,95 v=14,-66
+p=23,3 v=42,-16
+p=33,69 v=-96,-10
+p=28,23 v=-43,68
+p=77,25 v=-45,-41
+p=27,96 v=-69,-32
+p=41,15 v=-53,-35
+p=66,81 v=-22,5
+p=5,15 v=13,-95
+p=88,1 v=-59,-26
+p=48,41 v=16,-19
+p=88,75 v=33,46
+p=21,9 v=-64,-86
+p=36,4 v=-16,-95
+p=68,22 v=-5,65
+p=8,43 v=-34,46
+p=71,68 v=-49,-59
+p=37,92 v=-48,-18
+p=59,43 v=-21,-10
+p=69,31 v=30,58
+p=90,77 v=46,-74
+p=42,42 v=-76,20
+p=58,34 v=78,55
+p=18,10 v=33,2
+p=23,92 v=45,-69
+p=23,45 v=-32,27
+p=63,50 v=39,-96
+p=8,72 v=-34,85
+p=22,102 v=-69,26
+p=73,14 v=-45,-38
+p=65,54 v=-51,68
+p=99,29 v=-16,67
+p=29,60 v=15,-19
+p=85,76 v=-54,80
+p=21,23 v=-3,-47
+p=9,37 v=94,-44
+p=99,77 v=48,80
+p=48,47 v=18,56
+p=26,61 v=36,-57
+p=80,58 v=56,90
+p=37,6 v=53,-90
+p=47,15 v=53,60
+p=4,79 v=70,52
+p=35,8 v=31,12
+p=18,8 v=25,-30
+p=80,38 v=33,45
+p=23,26 v=-69,61
+p=10,35 v=-78,-96
+p=53,17 v=48,-34
+p=24,45 v=72,-2
+p=65,75 v=-1,-38
+p=5,72 v=-49,39
+p=63,87 v=-27,-16
+p=0,46 v=-34,73
+p=14,46 v=55,-15
+p=28,70 v=45,92
+p=29,30 v=89,10
+p=98,31 v=-46,-89
+p=1,85 v=-77,82
+p=30,79 v=-43,28
+p=29,70 v=-81,65
+p=51,97 v=13,-25
+p=76,19 v=-23,18
+p=36,83 v=-17,91
+p=52,34 v=-39,-98
+p=35,46 v=-43,55
+p=97,13 v=-99,-26
+p=40,26 v=27,13
+p=18,38 v=89,57
+p=45,57 v=-79,-52
+p=86,76 v=-54,-64
+p=12,38 v=28,55
+p=6,56 v=-86,97
+p=85,100 v=-41,-22
+p=4,34 v=28,-95
+p=89,33 v=-4,-73
+p=82,20 v=-33,-15
+p=98,5 v=31,43
+p=85,81 v=73,88
+p=13,42 v=-90,-49
+p=93,60 v=-91,-64
+p=56,7 v=-5,64
+p=9,5 v=45,76
+p=61,4 v=74,86
+p=23,53 v=-7,3
+p=89,21 v=-38,-74
+p=13,44 v=-86,10
+p=96,62 v=-11,96
+p=5,98 v=-22,3
+p=26,26 v=-73,-93
+p=52,95 v=-5,42
+p=62,50 v=-57,-7
+p=11,2 v=41,-77
+p=23,73 v=-2,-97
+p=34,77 v=-47,-71
+p=91,58 v=99,43
+p=41,74 v=-53,42
+p=75,102 v=55,-81
+p=89,95 v=30,8
+p=76,28 v=-80,12
+p=82,27 v=-43,77
+p=62,63 v=-97,21
+p=94,73 v=-58,14
+p=13,35 v=-47,-46
+p=56,0 v=61,25
+p=94,39 v=11,8
+p=96,53 v=77,-53
+p=23,78 v=-43,-7
+p=24,51 v=-74,-86
+p=77,33 v=60,8
+p=84,71 v=-76,19
+p=78,96 v=82,3
+p=61,92 v=-58,-30
+p=9,75 v=94,-34
+p=89,13 v=7,-26
+p=16,67 v=-25,96
+p=95,43 v=-25,-54
+p=39,62 v=18,-40
+p=41,36 v=17,-65
+p=2,42 v=86,-10
+p=29,54 v=55,-2
+p=51,74 v=-44,92
+p=75,40 v=-36,-96
+p=60,15 v=-93,-84
+p=44,33 v=44,8
+p=88,51 v=85,-94
+p=26,60 v=43,62
+p=94,22 v=-81,-98
+p=4,50 v=-94,-96
+p=87,47 v=-55,3
+p=15,80 v=33,-14
+p=4,48 v=-24,-48
+p=57,36 v=-18,-98
+p=87,12 v=76,63
+p=53,17 v=-91,-81
+p=17,96 v=53,6
+p=91,40 v=95,-46
+p=23,28 v=-55,55
+p=81,7 v=-54,16
+p=62,102 v=-97,-77
+p=42,31 v=80,-41
+p=99,53 v=-72,57
+p=17,29 v=98,58
+p=24,57 v=84,-48
+p=98,101 v=-33,-30
+p=77,82 v=-36,-25
+p=44,8 v=83,18
+p=27,35 v=-27,16
+p=95,58 v=-29,52
+p=87,40 v=60,-91
+p=66,1 v=17,24
+p=17,11 v=63,21
+p=67,77 v=-23,-11
+p=91,30 v=-59,64
+p=22,34 v=7,84
+p=55,90 v=48,29
+p=45,45 v=31,50
+p=12,34 v=65,-86
+p=40,48 v=18,-1
+p=39,42 v=75,11
+p=28,27 v=63,-49
+p=93,44 v=-81,3
+p=8,78 v=-51,-15
+p=6,37 v=-51,-42
+p=73,89 v=-45,23
+p=2,80 v=-23,50
+p=93,37 v=55,-44
+p=16,52 v=-54,35
+p=15,17 v=-33,74
+p=84,37 v=-6,-48
+p=13,47 v=50,-48
+p=88,34 v=-79,-39
+p=16,68 v=50,94
+p=20,78 v=-99,29
+p=100,20 v=77,64
+p=79,2 v=-91,30
+p=52,0 v=-95,-86
+p=4,84 v=79,35
+p=13,74 v=19,-66
+p=57,55 v=-9,-63
+p=21,30 v=19,-94
+p=50,37 v=-66,4
+p=9,56 v=94,95
+p=91,59 v=55,-65
+p=77,15 v=34,-33
+p=5,100 v=81,-26
+p=26,96 v=-34,83
+p=36,64 v=-44,94
+p=37,65 v=-70,51
+p=74,6 v=25,-93
+p=33,78 v=-17,-48
+p=0,33 v=-6,-39
+p=3,55 v=-11,96
+p=32,19 v=-8,-33
+p=60,53 v=-5,-55
+p=75,62 v=56,45
+p=74,71 v=12,-66
+p=50,74 v=-53,91
+p=24,90 v=-19,-57
+p=58,53 v=31,5
+p=13,95 v=-33,20
+p=30,98 v=41,-70
+p=54,78 v=71,-43
+p=78,73 v=26,53
+p=66,30 v=-49,60
+p=81,87 v=-24,-15
+p=28,27 v=-31,11
+p=75,18 v=-89,10
+p=76,82 v=-89,-66
+p=44,65 v=-17,98
+p=17,42 v=-7,-5
+p=75,92 v=-54,32
+p=95,10 v=-28,-76
+p=20,36 v=-22,-62
+p=100,0 v=11,21
+p=37,39 v=5,-46
+p=80,50 v=-63,7
+p=77,28 v=-98,2
+p=61,41 v=-1,-40
+p=88,78 v=95,-17
+p=83,1 v=47,-30
+p=47,67 v=-30,-9
+p=14,81 v=-38,82
+p=40,97 v=-31,76
+p=76,27 v=37,-70
+p=25,73 v=80,35
+p=88,84 v=-33,77
+p=60,71 v=83,35
+p=14,93 v=-3,-25
+p=40,45 v=-35,4
+p=34,35 v=15,19
+p=87,100 v=90,-66
+p=20,90 v=-42,-68
+p=90,44 v=50,-52
+p=43,77 v=31,89
+p=99,81 v=33,-12
+p=28,35 v=58,-37
+p=37,52 v=57,6
+p=48,65 v=-66,23
+p=63,21 v=39,-35
+p=91,77 v=-15,-70
+p=27,28 v=93,-94
+p=18,61 v=-99,38
+p=56,36 v=-98,81
+p=90,75 v=-72,-67
+p=86,21 v=-13,-46
+p=20,88 v=89,-74
+p=17,41 v=-82,-98
+p=28,65 v=45,-72
+p=85,15 v=35,41
+p=39,43 v=-2,-36
+p=93,72 v=-94,91
+p=90,73 v=-64,77
+p=83,43 v=-94,-99
+p=50,59 v=-49,51
+p=58,25 v=13,-36
+p=25,102 v=-44,-54
+p=100,86 v=16,-23
+p=45,42 v=21,-90
+p=9,29 v=-13,18
+p=24,41 v=1,-47
+p=69,33 v=-58,55
+p=80,52 v=52,-2
+p=82,77 v=82,-11
+p=86,78 v=-41,-69
+p=89,58 v=69,-13
+p=12,91 v=-55,-65
+p=69,40 v=-93,59
+p=8,26 v=2,19
+p=21,47 v=19,3
+p=38,20 v=25,-83
+p=20,99 v=54,31
+p=20,74 v=-14,-30
+p=51,83 v=-40,24
+p=61,30 v=-27,-94
+p=84,19 v=-28,69
+p=28,33 v=-65,3
+p=58,91 v=-93,-18
+p=33,78 v=22,92
+p=86,53 v=63,-43
+p=53,79 v=-26,-42
+p=83,16 v=94,56
+p=21,0 v=-64,-35
+p=48,80 v=-97,79
+p=62,18 v=29,71
+p=17,13 v=-69,-36
+p=1,93 v=19,75
+p=7,75 v=41,93
+p=65,61 v=-45,65
+p=56,71 v=92,-63
+p=71,102 v=-53,-21
+p=64,79 v=96,49
+p=40,13 v=-74,-84
+p=28,71 v=93,91
+p=43,68 v=-39,-6
+p=10,40 v=63,55
+p=73,0 v=-97,-82
+p=26,38 v=85,-27
+p=27,94 v=36,-79
+p=1,99 v=-82,-30
+p=66,96 v=-23,31
+p=78,21 v=96,16
+p=10,93 v=-51,-76
+p=76,87 v=78,80
+p=13,20 v=-38,68
+p=31,42 v=-43,5
+p=56,10 v=-53,-33
+p=76,61 v=34,-4
+p=73,2 v=-36,74
+p=93,83 v=15,-19
+p=76,50 v=20,-51
+p=27,53 v=36,-51
+p=93,97 v=50,72
+p=59,22 v=87,21
+p=95,22 v=-29,66
+p=56,35 v=79,10
+p=60,38 v=17,-94
+p=67,41 v=-5,6
+p=97,71 v=-73,35
+p=26,10 v=-73,74
+p=74,71 v=5,64
+p=36,91 v=84,-17
+p=38,91 v=67,33
+p=19,64 v=41,-9
+p=89,15 v=-59,66
+p=5,94 v=94,-27
+p=92,21 v=7,-87
+p=87,64 v=-28,-5
+p=22,6 v=-95,25
+p=59,42 v=-51,-7
+p=50,95 v=88,29
+p=59,91 v=73,-21
+p=52,42 v=-75,56
+p=10,39 v=-30,7
+p=88,79 v=29,-62
+p=31,89 v=-21,-82
+p=43,60 v=4,52
+p=2,76 v=-68,-15
+p=13,71 v=-38,97
+p=93,38 v=1,-95
+p=53,99 v=10,16
+p=94,72 v=-98,30
+p=1,3 v=37,-82
+p=68,78 v=55,18
+p=1,78 v=42,-7
+p=80,84 v=52,-26
+p=75,46 v=-87,-20
+p=71,27 v=95,-39
+p=90,18 v=73,11
+p=99,3 v=62,52
+p=39,88 v=-80,-93
+p=85,32 v=69,-40
+p=72,23 v=-28,-75
+p=22,59 v=98,-7
+p=69,76 v=12,93
+p=56,59 v=30,50
+p=80,92 v=-49,-80
+p=4,40 v=-77,-50
+p=90,60 v=40,-28
+p=6,79 v=9,56
+p=63,47 v=57,-59
+p=33,62 v=22,37
+p=74,27 v=78,70
+p=26,101 v=-43,-49
+p=1,24 v=-29,-38
+p=73,90 v=56,79
+p=5,90 v=-20,-75
+p=16,35 v=94,8
+p=96,93 v=4,58
+p=61,43 v=4,4
+p=13,68 v=76,94
+p=5,29 v=86,-95
+p=32,81 v=39,-85
+p=94,42 v=-37,55
+p=80,20 v=60,22
+p=43,94 v=57,-19
+p=93,4 v=51,-26
+p=12,4 v=62,-58
+p=87,74 v=-98,-64
+p=81,41 v=-26,69
+p=30,54 v=-30,-13
+p=73,4 v=21,-30
+p=68,35 v=-49,-44
+p=47,2 v=19,-70
+p=92,100 v=33,79
+p=81,11 v=73,-83
+p=46,75 v=-62,-69
+p=48,56 v=-13,-56
+p=7,84 v=15,30
+p=92,10 v=28,69
+p=15,31 v=-87,61
+p=95,0 v=33,79
+p=3,61 v=-37,-50
+p=73,95 v=96,20
\ No newline at end of file
diff --git a/2024/gareth/day18/day18.go b/2024/gareth/day18/day18.go
new file mode 100644
index 0000000..ed76eb7
--- /dev/null
+++ b/2024/gareth/day18/day18.go
@@ -0,0 +1,156 @@
+package day18
+
+import (
+	"container/heap"
+	"strconv"
+	"strings"
+)
+
+type Point struct {
+	x, y int
+}
+
+// Item represents a node in the priority queue.
+type Item struct {
+	point    Point
+	distance int
+	index    int
+}
+
+func Part1(input string) int {
+	grid := parseInput(input, 1024)
+	_, distance := dijkstra(grid)
+	return distance
+}
+
+func Part2(input string) int {
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+	numLines := len(lines)
+	for i := 1; i <= numLines; i++ {
+		grid := parseInput(input, i)
+		_, distance := dijkstra(grid)
+		if distance == -1 {
+			println(lines[i-1])
+			return 2
+		}
+	}
+	return -1
+}
+
+func parseInput(input string, upToLine int) [][]rune {
+	grid := make([][]rune, 71)
+	for i := range grid {
+		grid[i] = make([]rune, 71)
+		for j := range grid[i] {
+			grid[i][j] = '.'
+		}
+	}
+
+	lines := strings.Split(strings.TrimSpace(input), "\n")
+
+	for index, line := range lines {
+		if index == upToLine {
+			break
+		}
+		cords := strings.Split(strings.TrimSpace(line), ",")
+		x, _ := strconv.Atoi(cords[0])
+		y, _ := strconv.Atoi(cords[1])
+		grid[x][y] = '#'
+	}
+	return grid
+}
+
+// PriorityQueue implements a priority queue for Dijkstra's algorithm.
+type PriorityQueue []*Item
+
+func (pq PriorityQueue) Len() int { return len(pq) }
+func (pq PriorityQueue) Less(i, j int) bool {
+	return pq[i].distance < pq[j].distance
+}
+func (pq PriorityQueue) Swap(i, j int) {
+	pq[i], pq[j] = pq[j], pq[i]
+	pq[i].index = i
+	pq[j].index = j
+}
+
+func (pq *PriorityQueue) Push(x interface{}) {
+	n := len(*pq)
+	item := x.(*Item)
+	item.index = n
+	*pq = append(*pq, item)
+}
+
+func (pq *PriorityQueue) Pop() interface{} {
+	old := *pq
+	n := len(old)
+	item := old[n-1]
+	item.index = -1
+	*pq = old[0 : n-1]
+	return item
+}
+
+func isValid(grid [][]rune, x, y int) bool {
+	return x >= 0 && x < len(grid) && y >= 0 && y < len(grid[0]) && grid[x][y] == '.'
+}
+
+func dijkstra(grid [][]rune) ([][]rune, int) {
+	directions := []Point{{0, 1}, {1, 0}, {0, -1}, {-1, 0}}
+	rows, cols := len(grid), len(grid[0])
+
+	// Validate start and end points
+	if grid[0][0] != '.' || grid[rows-1][cols-1] != '.' {
+		return grid, -1 // No path if start or end is not valid
+	}
+
+	dist := make([][]int, rows)
+	for i := range dist {
+		dist[i] = make([]int, cols)
+		for j := range dist[i] {
+			dist[i][j] = 1 << 30
+		}
+	}
+
+	pq := &PriorityQueue{}
+	heap.Init(pq)
+	heap.Push(pq, &Item{point: Point{0, 0}, distance: 0})
+	dist[0][0] = 0
+
+	path := make([][]Point, rows)
+	for i := range path {
+		path[i] = make([]Point, cols)
+	}
+
+	for pq.Len() > 0 {
+		item := heap.Pop(pq).(*Item)
+		x, y := item.point.x, item.point.y
+		if x == rows-1 && y == cols-1 {
+			break
+		}
+		for _, dir := range directions {
+			nx, ny := x+dir.x, y+dir.y
+			if isValid(grid, nx, ny) {
+				newDist := dist[x][y] + 1
+				if newDist < dist[nx][ny] {
+					dist[nx][ny] = newDist
+					heap.Push(pq, &Item{point: Point{nx, ny}, distance: newDist})
+					path[nx][ny] = Point{x, y}
+				}
+			}
+		}
+	}
+
+	// Check if no path exists
+	if dist[rows-1][cols-1] == 1<<30 {
+		return grid, -1 // No path found
+	}
+
+	// Reconstruct the path
+	x, y := rows-1, cols-1
+	for x != 0 || y != 0 {
+		grid[x][y] = 'O'
+		x, y = path[x][y].x, path[x][y].y
+	}
+	grid[0][0] = 'O'
+
+	return grid, dist[rows-1][cols-1]
+}
diff --git a/2024/gareth/day18/day18_test.go b/2024/gareth/day18/day18_test.go
new file mode 100644
index 0000000..7a52d3b
--- /dev/null
+++ b/2024/gareth/day18/day18_test.go
@@ -0,0 +1,65 @@
+package day18
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`5,4
+4,2
+4,5
+3,0
+2,1
+6,3
+2,4
+1,5
+0,6
+3,3
+2,6
+5,1
+1,2
+5,5
+2,5
+6,5
+1,4
+0,4
+6,4
+1,1
+6,1
+1,0
+0,5
+1,6
+2,0`)
+	assert.Equal(t, 22, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`5,4
+4,2
+4,5
+3,0
+2,1
+6,3
+2,4
+1,5
+0,6
+3,3
+2,6
+5,1
+1,2
+5,5
+2,5
+6,5
+1,4
+0,4
+6,4
+1,1
+6,1
+1,0
+0,5
+1,6
+2,0`)
+	assert.Equal(t, 0, r)
+}
diff --git a/2024/gareth/day18/input.txt b/2024/gareth/day18/input.txt
new file mode 100644
index 0000000..6265c77
--- /dev/null
+++ b/2024/gareth/day18/input.txt
@@ -0,0 +1,3450 @@
+44,51
+65,43
+65,40
+35,54
+66,67
+41,59
+55,55
+23,2
+45,57
+69,36
+34,53
+37,2
+38,1
+37,55
+41,67
+58,55
+3,26
+9,14
+5,28
+54,51
+56,69
+48,47
+46,53
+64,29
+61,56
+69,64
+45,7
+69,38
+39,54
+50,47
+27,14
+33,1
+67,50
+9,19
+56,57
+64,53
+15,21
+63,50
+3,42
+63,65
+43,52
+9,26
+59,31
+1,29
+30,59
+59,53
+13,0
+65,35
+5,24
+19,35
+47,9
+4,21
+24,11
+53,66
+35,2
+26,9
+56,51
+70,29
+69,56
+53,55
+69,67
+58,67
+8,9
+37,62
+55,9
+35,3
+69,35
+55,15
+59,69
+51,9
+61,5
+5,29
+66,45
+5,23
+63,37
+59,17
+69,55
+63,61
+17,18
+57,8
+15,17
+63,60
+53,61
+33,3
+67,68
+23,3
+9,20
+19,7
+1,5
+53,9
+68,47
+21,14
+32,13
+19,5
+6,19
+25,9
+43,58
+4,7
+25,16
+67,37
+0,29
+59,65
+47,55
+8,1
+11,19
+49,5
+57,48
+59,59
+65,39
+36,9
+43,5
+66,29
+55,54
+53,5
+1,35
+6,11
+68,31
+70,69
+20,21
+61,8
+65,46
+47,0
+49,41
+3,11
+30,25
+55,11
+29,4
+33,62
+15,13
+1,18
+1,37
+39,60
+65,53
+67,48
+67,49
+52,49
+25,3
+55,43
+0,21
+13,6
+41,53
+38,9
+17,17
+47,41
+41,6
+45,54
+56,17
+1,38
+6,23
+67,56
+2,11
+69,49
+1,33
+32,5
+41,50
+66,61
+5,21
+21,11
+3,29
+59,16
+49,55
+22,9
+34,1
+15,10
+57,3
+69,57
+18,3
+43,59
+24,15
+65,25
+53,11
+35,56
+39,12
+53,52
+65,30
+38,51
+25,7
+33,10
+63,36
+7,14
+5,25
+50,37
+51,5
+1,23
+53,6
+47,3
+61,41
+27,3
+61,26
+51,7
+39,61
+13,25
+1,31
+35,62
+50,43
+29,6
+53,15
+61,63
+45,5
+11,29
+27,6
+31,14
+55,41
+29,5
+5,5
+25,11
+61,35
+4,13
+34,17
+11,21
+69,69
+63,55
+50,45
+49,46
+1,13
+57,39
+63,47
+55,62
+37,61
+1,32
+7,30
+13,9
+51,47
+49,1
+19,23
+2,45
+51,62
+51,53
+57,63
+54,45
+47,58
+33,59
+3,37
+51,59
+39,3
+19,4
+61,60
+9,21
+67,69
+45,56
+53,57
+1,0
+23,13
+5,1
+27,7
+45,51
+56,45
+33,64
+56,13
+7,33
+20,13
+36,5
+57,55
+9,16
+57,65
+45,48
+47,48
+59,45
+65,29
+11,27
+55,67
+69,63
+17,2
+63,41
+10,27
+9,27
+69,47
+25,0
+57,51
+55,53
+65,48
+15,20
+43,9
+55,47
+62,37
+35,59
+22,17
+25,24
+18,7
+63,38
+40,63
+69,58
+59,43
+3,1
+34,7
+42,59
+41,51
+65,27
+7,21
+9,39
+51,49
+7,5
+25,2
+32,63
+8,3
+33,9
+54,9
+67,61
+67,38
+62,33
+17,1
+44,55
+2,27
+7,19
+2,47
+1,9
+7,9
+41,1
+39,10
+61,25
+35,61
+63,59
+21,13
+29,11
+58,51
+37,3
+17,12
+7,3
+7,29
+37,59
+65,69
+67,31
+19,13
+61,66
+23,9
+43,49
+50,9
+43,8
+61,64
+49,8
+15,2
+57,43
+23,15
+64,43
+39,52
+33,57
+8,29
+57,53
+11,6
+65,31
+65,67
+28,17
+9,31
+41,56
+22,1
+51,11
+66,69
+43,6
+1,19
+33,13
+53,41
+68,35
+43,3
+65,51
+44,3
+57,17
+61,12
+61,65
+44,1
+57,13
+13,10
+61,53
+9,15
+11,9
+29,12
+64,65
+45,41
+67,59
+55,12
+67,33
+56,41
+10,1
+5,14
+19,10
+53,43
+69,31
+3,21
+57,14
+37,47
+35,9
+10,5
+11,24
+66,41
+40,1
+59,39
+65,64
+63,70
+64,67
+13,35
+7,35
+4,11
+17,7
+43,60
+53,3
+32,55
+60,49
+39,48
+63,33
+7,6
+63,53
+69,37
+61,48
+45,45
+61,62
+16,7
+54,3
+13,11
+67,29
+47,59
+23,12
+32,3
+11,25
+63,63
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\ No newline at end of file
diff --git a/2024/gareth/day19/day19.go b/2024/gareth/day19/day19.go
new file mode 100644
index 0000000..cf151af
--- /dev/null
+++ b/2024/gareth/day19/day19.go
@@ -0,0 +1,90 @@
+package day19
+
+import (
+	"strings"
+)
+
+func Part1(input string) int {
+	towelPatterns, designs := parseInput(input)
+	result := countPossibleDesigns(towelPatterns, designs)
+	return result
+}
+
+func Part2(input string) int {
+	towelPatterns, designs := parseInput(input)
+	result := totalArrangements(towelPatterns, designs)
+	return result
+}
+
+func parseInput(input string) ([]string, []string) {
+	parts := strings.SplitN(input, "\n\n", 2)
+	towels := strings.Split(strings.ReplaceAll(parts[0], " ", ""), ",")
+	patterns := strings.Split(strings.TrimSpace(parts[1]), "\n")
+	return towels, patterns
+}
+
+func countPossibleDesigns(towelPatterns []string, designs []string) int {
+	memo := make(map[string]bool)
+	count := 0
+
+	for _, design := range designs {
+		if canConstruct(design, towelPatterns, memo) {
+			count++
+		}
+	}
+
+	return count
+}
+
+func canConstruct(design string, patterns []string, memo map[string]bool) bool {
+	if design == "" {
+		return true
+	}
+	if val, found := memo[design]; found {
+		return val
+	}
+
+	for _, pattern := range patterns {
+		if strings.HasPrefix(design, pattern) {
+			remaining := design[len(pattern):]
+			if canConstruct(remaining, patterns, memo) {
+				memo[design] = true
+				return true
+			}
+		}
+	}
+
+	memo[design] = false
+	return false
+}
+
+func totalArrangements(towelPatterns []string, designs []string) int {
+	memo := make(map[string]int)
+	total := 0
+
+	for _, design := range designs {
+		total += countWays(design, towelPatterns, memo)
+	}
+
+	return total
+}
+
+func countWays(design string, patterns []string, memo map[string]int) int {
+	if design == "" {
+		return 1
+	}
+	if val, found := memo[design]; found {
+		return val
+	}
+
+	totalWays := 0
+	for _, pattern := range patterns {
+		if strings.HasPrefix(design, pattern) {
+			remaining := design[len(pattern):]
+			totalWays += countWays(remaining, patterns, memo)
+		}
+	}
+
+	memo[design] = totalWays
+	return totalWays
+}
diff --git a/2024/gareth/day19/day19_test.go b/2024/gareth/day19/day19_test.go
new file mode 100644
index 0000000..cb0ed02
--- /dev/null
+++ b/2024/gareth/day19/day19_test.go
@@ -0,0 +1,35 @@
+package day19
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`r, wr, b, g, bwu, rb, gb, br
+
+brwrr
+bggr
+gbbr
+rrbgbr
+ubwu
+bwurrg
+brgr
+bbrgwb`)
+	assert.Equal(t, 6, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`r, wr, b, g, bwu, rb, gb, br
+
+brwrr
+bggr
+gbbr
+rrbgbr
+ubwu
+bwurrg
+brgr
+bbrgwb`)
+	assert.Equal(t, 16, r)
+}
diff --git a/2024/gareth/day19/input.txt b/2024/gareth/day19/input.txt
new file mode 100644
index 0000000..9547196
--- /dev/null
+++ b/2024/gareth/day19/input.txt
@@ -0,0 +1,402 @@
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+rrbbrrbbwbbubbwrwgwrbrwwbbbbgwbguwgburwgbggr
+wuugbbuguruwugwrgwbbuggbwbwwbbuwwuuugwbguwugbwggrbrr
+gwgbburbguwuurrrgwbuwrurrbuwugwrgbgwrgwwwwurubbgbwr
+wubugurgrbrbbbwrrwurwuuugwuwrbbbwwbrgbbrurrg
+wrwugbwwbbbrguwuwugbwwuwgwubbbgrrbrwguuububbggbwwbwwrwbg
+bugwuwrwuwwggwwuwrwrbruggrurgwwurrguwugwrwg
+rbrgrwbwrurwbubrugwwgguwrrgwgwuwwbrrgrbrgwruwgbgbrbbru
+rwwwrwruruuubwgwbgubrbgbgrwwuugruurugbrwbwuuwgbwubggugg
+uuwugbbwrwbgrgwubgwwgrubbwrbbwwwbbwbbrbwrrugrgggw
+wggubrrbgrggrwgguwggubwwrbrbgbgrrgugbggbgg
+uwbuwrrgwguwurbwbbgbrbbrgguuggrrugrwrwbgrrurru
+grrrgurgwububbuguwrguuuwrwwurbbwrwwguwwwrggbrbr
+wubbgwbwbrbrgbggurgbrwgrubrurbrrrwrurgbbrwurgrrgugbwurrbg
+wruwwrwgwrbwubrbwubbbrbuurwwwugwugubuubwgbbbubgrrgbrgbw
+rwrrbgwurrgrbgrrrguugwwbgwwugbbgwwwuuuwgugwuwuwuubuw
+rgwwugwwurgubwgrbwbwwgbbbubbrggbgrugguuubuuuugbgbgug
+gruuruwbwbuururbwrwrgrwuububgwgruggwbwrgwbub
+gbbwrurugbbwrurwwbgrruwgbrbrbrrgrwrbbgbgwbgwgwuwrwgrgu
+wugwwgrwbgugurwurbggbrwruwuuwurwrbrwgruuubuurur
+wgbuwbrbwrgrbwuwggugggguuwgbrbwgrgwrurrurbrgugrgwrb
+ggwubgbwwwgrwwbbggwwrrggwguubuggubggguuwbwuwgwuuugrgbuubbb
+rguuugwbrbrbwbgrggbubwrwwrrrubwwuugugwgrbuu
+ggugbrggwbuwrwgrgwugurrbgruurruwwgrbwwubbuubr
+ubgwwggbwbuwbbbbbbggbwrgrbgrgugurwggrubburrubrwrrggrgg
\ No newline at end of file
diff --git a/2024/gareth/main.go b/2024/gareth/main.go
index 99d93ff..9ef4db9 100644
--- a/2024/gareth/main.go
+++ b/2024/gareth/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"aoc2024/day04"
+	"aoc2024/day09"
 	"fmt"
 	"os"
 	"time"
@@ -9,9 +9,11 @@ import (
 
 func main() {
 	start := time.Now()
-	data, _ := os.ReadFile("day04/input.txt")
-	fmt.Printf("part 1: %d\n", day04.Part1(string(data)))
-	fmt.Printf("part 2: %d\n", day04.Part2(string(data)))
+	data, _ := os.ReadFile("day09/input.txt")
+	fmt.Printf("part 1: %d\n", day09.Part1(string(data)))
+	fmt.Printf("part 2: %d\n", day09.Part2(string(data)))
 	elapsed := time.Since(start)
 	fmt.Printf("Execution time: %s\n", elapsed)
 }
+
+// 6320029754031
diff --git a/2024/go/day10/day10.go b/2024/go/day10/day10.go
new file mode 100644
index 0000000..b52a587
--- /dev/null
+++ b/2024/go/day10/day10.go
@@ -0,0 +1,103 @@
+package day10
+
+import (
+	"adventofcode2024/utils"
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+)
+
+type Position struct {
+	height int
+	summit bool
+}
+
+func Part1(input string) int {
+	score := 0
+	i := 0
+	grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			position := grid.Get(x, y)
+			if position.height != 0 {
+				continue
+			}
+			wipe_summit(grid)
+			score += getScore(x, y, 0, 0, grid)
+			fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
+			i++
+		}
+	}
+	return score
+}
+
+func Part2(input string) int {
+	score := 0
+	i := 0
+	grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			position := grid.Get(x, y)
+			if position.height != 0 {
+				continue
+			}
+			wipe_summit(grid)
+			score += getScore2(x, y, 0, 0, grid)
+			fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
+			i++
+		}
+	}
+	return score
+}
+
+func formatter(p Position, x int, y int) string {
+	return fmt.Sprintf("%v", p.height)
+}
+
+func wipe_summit(grid *grid2d.Grid[Position]) {
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			pos := grid.Get(x, y)
+			if pos.height == 9 && pos.summit {
+				pos.summit = false
+				grid.Set(x, y, pos)
+			}
+		}
+	}
+}
+
+func getScore(x, y, level, score int, grid *grid2d.Grid[Position]) int {
+	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
+	for _, dir := range directions {
+		x1 := x + dir[0]
+		y1 := y + dir[1]
+		nposition := grid.Get(x1, y1)
+		if level == 8 && nposition.height == 9 {
+			score++
+		}
+		if nposition.height != level+1 {
+			continue
+		}
+		score = getScore(x1, y1, nposition.height, score, grid)
+	}
+	return score
+}
+
+func getScore2(x, y, level, score int, grid *grid2d.Grid[Position]) int {
+	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
+	for _, dir := range directions {
+		x1 := x + dir[0]
+		y1 := y + dir[1]
+		nposition := grid.Get(x1, y1)
+		if level == 8 && nposition.height == 9 {
+			score++
+		}
+		if nposition.height != level+1 {
+			continue
+		}
+		score = getScore2(x1, y1, nposition.height, score, grid)
+	}
+	return score
+}
diff --git a/2024/go/day10/day10_test.go b/2024/go/day10/day10_test.go
new file mode 100644
index 0000000..5b8f7a2
--- /dev/null
+++ b/2024/go/day10/day10_test.go
@@ -0,0 +1,31 @@
+package day10
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732`)
+	require.Equal(t, 36, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732`)
+	require.Equal(t, 81, r)
+}
diff --git a/2024/go/day10/input.txt b/2024/go/day10/input.txt
new file mode 100644
index 0000000..df5bfc9
--- /dev/null
+++ b/2024/go/day10/input.txt
@@ -0,0 +1,56 @@
+43217654309879876104563234589896761012345656543098901001
+34108903212368123233472105676787851299856567832187812652
+45677814301457014312986345589876940387765678943046543743
+56789325100876525800345276430105432456566589858956769821
+65438456912963436901236187621234501223455410767349874430
+74321067803451107898547093412012982016764323101210143561
+89412210987430210789698892102123673107895214589723652678
+78601521856521345678721743089034543212345605679854781789
+66789430545678934505430654898745672212236765434765690878
+55676545038943213216765989601654981300129870121012345969
+46543216127657804389834808762347690456789983498141456452
+65454307233456934870126712354878765565210012507230987321
+54567898332110125961015645403969234674323215616546576010
+65658983021001876854324106912452128789321308723455678901
+76543212137892965348933217832141089873410419678964987652
+89862901236543501267018363101033210565566566569873788543
+89871876544345652106529854892123521454479877654012699830
+78100703454278743212434763763014672343287778943210581021
+65210212565189858906763212654985785650198961212101432010
+54321056876012567875898708783476698763267890303215678321
+87012567988703489874345679692676543294986725456574329478
+96543498589876530365210189501987650187675216987687610569
+01234567651010921234501076401236501010564307678596789876
+10389830532329854376542345321545692323403018789455430965
+21456721013456765289031234980098783410912129670320121054
+92505432565421010109120345671107654567823451061210120123
+87615443478302341018750134543234541050765962552121234984
+34322342189219650129665234789432132021894873443010965673
+45451056077828743234574343276543032134703210523457876532
+51069987456943104545987650167898749865612309610765454101
+32678678345652210698092156756547056764303458779890363232
+43010589232781306787183045876532178965210569888211274321
+56923432101090458989254234923421369878934678898302989430
+87889211078764567876360143010030450767125986567401276589
+96676305669653478985478652102141341458076803456564345676
+45435434734522780340349760123456232349883712678178737894
+80127821821011091211299854354987101016792103549069016323
+92346940910329654304587121267807652345013401232108925412
+81055432101458765643671010871018947654324589543987432101
+76567789023467010782532346965425638945695678654986540012
+05498654110567821891047897212334721032786014345678901098
+12387013223489932346156598101549889821012823216765212387
+03456323016576542345692367210678710701296954907854323456
+12345465437895431016781450123467623654387867878985401501
+21089870124326528701670101874345634565676541045621032012
+32189210065017019632543210965236730120545632456734548743
+43498349876298903545450143050159821321234012349895699654
+34567658389101232123469052101567634489234510106786789985
+99876501276788943016578769872498105672105621215021058876
+87035432365897654107689898763343234321678789334134567655
+70129641034781089898791099854232145690569245493254321567
+63238701123654178718982387763156056781410126787655010498
+54345652321073265001073456012047189872328901098546710327
+34568543434589874132569895145438976987437812361239891210
+21879654898678013203456701236327805456546521450967890123
+30968745467654320112345210987610112345545430567856543234
diff --git a/2024/go/day11/day11.go b/2024/go/day11/day11.go
new file mode 100644
index 0000000..c040fb0
--- /dev/null
+++ b/2024/go/day11/day11.go
@@ -0,0 +1,76 @@
+package day11
+
+import (
+	"adventofcode2024/utils"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+func Part1(input string) int {
+	stones := strings.Fields(input)
+	for i := 0; i < 25; i++ {
+		n_stones := []string{}
+		for _, stone := range stones {
+			switch {
+			case stone == "0":
+				n_stones = append(n_stones, "1")
+			case len(stone)%2 == 0:
+				d1 := strconv.Itoa(utils.MustAtoi(stone[0 : len(stone)/2]))
+				d2 := strconv.Itoa(utils.MustAtoi(stone[len(stone)/2:]))
+				n_stones = append(n_stones, d1)
+				n_stones = append(n_stones, d2)
+
+			default:
+				n_stones = append(n_stones, fmt.Sprintf("%d", utils.MustAtoi(stone)*2024))
+			}
+		}
+		stones = n_stones
+	}
+	return len(stones)
+}
+
+func Part2(input string) int {
+	stones := strings.Fields(input)
+	smap := make(map[string]int)
+	smap2 := make(map[string]int)
+
+	for _, stone := range stones {
+		smap[stone] = 1
+	}
+	for i:=0;i<75;i++ {
+		for k, v := range smap {
+			switch {
+			case k == "0":
+				smap2["1"] = smap2["1"] + v
+			case len(k)%2 == 0:
+				d1 := strconv.Itoa(utils.MustAtoi(k[0 : len(k)/2]))
+				d2 := strconv.Itoa(utils.MustAtoi(k[len(k)/2:]))
+				smap2[d1] += v
+				smap2[d2] += v
+			default:
+				k2 := fmt.Sprintf("%d", utils.MustAtoi(k)*2024)
+				smap2[k2] += v
+			}
+		}
+		smap = CopyMap(smap2)
+		smap2 = make(map[string]int)
+	}
+	count := 0
+	for _, v := range smap {
+		count += v
+	}
+	return count
+}
+
+func CopyMap(original map[string]int) map[string]int {
+    // Create a new map to hold the copy
+    copied := make(map[string]int)
+    
+    // Copy each key-value pair from the original map to the new map
+    for key, value := range original {
+        copied[key] = value
+    }
+    
+    return copied
+}
diff --git a/2024/go/day11/day11_test.go b/2024/go/day11/day11_test.go
new file mode 100644
index 0000000..ed2a8c3
--- /dev/null
+++ b/2024/go/day11/day11_test.go
@@ -0,0 +1,17 @@
+package day11
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1("125 17")
+	require.Equal(t, 55312, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2("125 17")
+	require.Equal(t, 55312, r)
+}
diff --git a/2024/go/day11/input.txt b/2024/go/day11/input.txt
new file mode 100644
index 0000000..c42d5d7
--- /dev/null
+++ b/2024/go/day11/input.txt
@@ -0,0 +1 @@
+3 386358 86195 85 1267 3752457 0 741
diff --git a/2024/go/day12/day12.go b/2024/go/day12/day12.go
new file mode 100644
index 0000000..447d522
--- /dev/null
+++ b/2024/go/day12/day12.go
@@ -0,0 +1,146 @@
+package day12
+
+import (
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+
+)
+
+type Plot struct {
+	crop    string
+	visited bool
+	region  int
+	x		int
+	y 		int
+}
+
+type Region struct {
+	plots      []Plot
+	crop       string
+	id         int
+	area       int
+	perimteter int
+	sides      int
+}
+
+func Part1(input string) int {
+	var val int
+	region_id := 0
+	regions := make(map[int]Region)
+	grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			var region Region
+			plot := grid.Get(x, y)
+			if plot.visited {
+				continue
+			}
+
+			region_id++
+			region = Region{id: region_id, area: 1, crop: plot.crop, sides: 4}
+			plot.region = region_id
+			plot.visited = true
+			plot.x = x
+			plot.y = y
+			grid.Set(x, y, plot)
+			region.plots = append(region.plots, plot)
+			regions[region_id] = region
+
+			try_neighours(grid, &region, x, y)
+			regions[region.id] = region
+		}
+	}
+	for _, region := range regions {
+		val += region.area * region.perimteter
+	}
+	return val
+}
+
+func Part2(input string) int {
+	var val int
+	region_id := 0
+	regions := make(map[int]Region)
+	grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
+	fmt.Println(grid.StringWithFormatter(formatter))
+	for y := 0; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX(); x++ {
+			var region Region
+			plot := grid.Get(x, y)
+			if plot.visited {
+				continue
+			}
+
+			region_id++
+			region = Region{id: region_id, area: 1, crop: plot.crop}
+			plot.region = region_id
+			plot.visited = true
+			plot.x = x
+			plot.y = y
+			grid.Set(x, y, plot)
+			region.plots = append(region.plots, plot)
+			regions[region_id] = region
+
+			try_neighours(grid, &region, x, y)
+			regions[region.id] = region
+		}
+	}
+	for _, region := range regions {
+		val += region.area * get_sides(grid, region)
+	}
+	return val
+}
+
+func formatter(p Plot, x int, y int) string {
+	return fmt.Sprintf("%v", p.crop)
+}
+
+func try_neighours(grid *grid2d.Grid[Plot], region *Region, x int, y int) {
+
+	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
+	plot := grid.Get(x, y)
+	perimeters := 0
+
+	for _, dir := range directions {
+		x1 := x + dir[0]
+		y1 := y + dir[1]
+		nplot := grid.Get(x1, y1)
+
+		if nplot.crop == plot.crop {
+			if !nplot.visited {
+				region.area++
+				nplot.visited = true
+				nplot.region = plot.region
+				nplot.x = x1
+				nplot.y = y1
+				grid.Set(x1, y1, nplot)
+				region.plots = append(region.plots, nplot)
+				try_neighours(grid, region, x1, y1)
+			}
+		} else {
+			perimeters++
+		}
+	}
+}
+
+func get_sides(grid *grid2d.Grid[Plot], region Region) int {
+	sides := 0	
+	corners := [][][]int{{{-1, 0}, {0, -1}, {-1, -1}},
+					     {{+1, 0}, {0, -1}, {+1, -1}},
+					     {{-1, 0}, {0, +1}, {-1, +1}},
+					     {{+1, 0}, {0, +1}, {+1, +1}}}
+	for _, plot := range region.plots {
+		for _, o_corners := range corners {
+				c1 := grid.Get(plot.x + o_corners[0][0], plot.y + o_corners[0][1])
+				c2 := grid.Get(plot.x + o_corners[1][0], plot.y + o_corners[1][1])
+				c3 := grid.Get(plot.x + o_corners[2][0], plot.y + o_corners[2][1])
+				if c1.crop != region.crop && c2.crop != region.crop {
+					sides++
+				} else if c1.crop == region.crop && c2.crop == region.crop && c3.crop != region.crop {
+					sides++
+				}
+		}
+	}
+	return sides
+}
\ No newline at end of file
diff --git a/2024/go/day12/day12_test.go b/2024/go/day12/day12_test.go
new file mode 100644
index 0000000..1602d7c
--- /dev/null
+++ b/2024/go/day12/day12_test.go
@@ -0,0 +1,29 @@
+package day12
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`RRRRIICCFF
+RRRRIICCCF
+VVRRRCCFFF
+VVRCCCJFFF
+VVVVCJJCFE
+VVIVCCJJEE
+VVIIICJJEE
+MIIIIIJJEE
+MIIISIJEEE
+MMMISSJEEE`)
+	require.Equal(t, 1930, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`AAAA
+BBCD
+BBCC
+EEEC`)
+	require.Equal(t, 80, r)
+}
diff --git a/2024/go/day12/input.txt b/2024/go/day12/input.txt
new file mode 100644
index 0000000..d0b3daa
--- /dev/null
+++ b/2024/go/day12/input.txt
@@ -0,0 +1,140 @@
+UUUUUUUUUUUUUUUUUUUDQQQQQQQOOOOOHHSSSSSYYYYYYYYGGGGNNNNNNNNTTTTTTTTTTTTTTDDDDDDDDDDDDDDDDDDNNNCCNJJJJOOHHHDDDDDDDDDDDDDDDDDDXXMBBBBMMCCCCCCC
+UUUKUUUUUUUUUUUUUDDDDDDDQQQOOOOOOOOOSSSSSYYYYYYYYGGGGGNNNNTTTTTTTTTTTTTTTTTTTTDDDDDDIIDDDNNNNNCCNJJJOOOHDDDDDDDDDDXDDDDDDDMMMXMMMMMMMMCCCCCC
+UUUKKUUUUUUWUUUUUUDDDDDDDDDROOOOOOOWWSSSSYYYYYYYGGGGGGGQNTTTTTTTTTTTTTTTTTTTTTDDDDDDDIDIINNNNLNNNNOOOOODDDDDDDDDDXXDDDDDDDMMMMMMMMMMMMCCCCCC
+UUKKUUKKXUUUUUUUUDDDDDDDDDDDDOOOOOOOOYSSSSSYYYYYGGGGGGQQNNTTTTTTTTTTTTTTTTTTTTDDDDDIDIIIINNNNNNNNNNOOOODDDDDDDXDDXXDDDDDDDMMMMMMMMMMMMMMCCCC
+UUKKUKKKXXUQQQQUUDDDDDDDDDDDDOOOOOOOOYYYYYYYYYYYGGGGGQQIINTTTTITTTTTTTTTTTTTTTTDDDIIIIIIIINNNNNNNNNOOODDDDDDDDXXXXXXDDDDDMMMMMMMMMMMMFFFFCCC
+UKKKKKKKXKAWWWWWDDDDDDDDDDDDDOOOOUUOYYYYYYYYYYYYGGGGQQQQIIDITIIIITTTTTTTTTTTTTDDDDIIIIIIINNNNNNNNLLLLODDDDDDXXXXXXXXDXDDDMMMMMMMMMMMMFFFFCCC
+KKKKKKKKKKKWWWWKDPPDDDDDDDWWWOOOOOUUYYYYYYYYYYYYYGRQQQQQIIIIIIIIITTTTTTTTTTTDDDDDDIIIIIIIIINNNNNNNLLLLLDDDDDXXXXXXXXXXDDDDDMMMMMMMMMMFFFCCCC
+KKKKKKKKKKWWWWWWDDDDDDDDDSWWWOWOOOOUYYAYYYYYYYYYYYQQQQQIIIIIIIIOIITTTTTTTTTTDDDDIIIIIIIIIIINNNNNLNNNLLLDDDDDDXXXXIXYDDDDDDDMMMMMMMMMMFFFCFCC
+KKKKKKKKWWWWWWWWSSDSDDDDDSSWWWWOOOOUYYAYYYYYYYYYYQQQQQQIIIIIIIIIITTTTTTTTTTDDDIIIIIIIIIIIINNNNNNLLLLLLLDDDDDDXXXXIXYDDDQDDDMMMMMMMUMFFFFFFFC
+KKKKKKKWWWWWWWWWSSSSDSDSSSSWWWWWOOOUYYYYYYYYYYYYYYQQQQIIIIIIIIIIIIIXXXXXTTTTDIIIIIIIIIIIKINNLNNNLLLLZLLLLDDVDXXXXXYYDDQQDDTMMYYYMMUUUFFFFFCC
+KKKKKKKKWWWWWWWWWWSSSSSSSSSSWWWWWWOUYPPPPPYYYYYYQQPQQQQAIIIIIIIIISSXXXXXXXTTDIIIIIIIIIIIIIIILLLLLLLLZZLLLDDDXXXXXXXYYDXXXYMMMYYYYMPUUFFFFFFC
+KKKKKKKKWWWWWWWWWWBBBBSSSSSWWWWWWWSSPPPPWWWWWWAYPPPPQAAAAITTIIIIIXXXXXXXUTTXXXIIIIIIIIIIIIIOLLLLLLLLZZLLLLLLLLXXXXYYXXXXXXXXRPPPPPPPPPFFCCFC
+KKKKKKDWWWWWWWWWWWDDBBBSSSSWWWWWWWWSSPPPPWWWWWWWPPPPPAAAAIIIIIIIIXXXXXXXXXDXXIIIIIIIIIIIIIIOLLLLLLLZZZZZZLLLLNXNNXNYYYXXXXXXPPPPPPPPPPFFCCCC
+KKKKKKWWWWWWWWWWWWBBBBBBBSSSWWWWWWWSSSSPPWWWWWWWPPPPPAAAAAAIIIIIIIXXUUUUUUXXXXIIIIIIIIIIIIIILLLLLLLZZZZZZZLLLNNNNNNYYYXXXXXXPPPPPPPPPPCFCCCC
+KTKQQKWWWWWWWWWWBWBBBBBBBSBSWWWWWSSSSSPPPWWWWWWWWPPPPPPAAFAIIYYYUUUUUUUUUUUXXXQQQIIIXXXXXXXXXXLLLLLZZZZZZZZZLNNNNNNYYXXXXXXXPPPPPPPPPPCCCCCC
+QQKAQQWWWWWWWWWWBWBBBBBBBBBSWWWSSSSSSSSPPWWWWWWWPPPPPPPPPPYYYYYYUUUUUUUUUUUQXQQQQQQIXXXXXXXXXXLZLLEZZZZZZZZZLNNPNNNYYXXXXXPXPPPPPPPPPPPCCCCC
+QQQQQQQWWWWWWWWWBBBBBBBBBBVWWWDDSSSSSSSSSPWWWPPPPPPPPPPPPPYYYYYYUUUUUUUUUUUUUUUUQQIIXXXXXXXXXXLZZZZZZZZZZZZLLUUUUUUUUXXXXXPPPPPPPPPPPPCCCCCC
+QQQQQQQQWWWWWWWWBBBBMMMBBBMWWWDSSSSSSSSSSPPPPPPPPPPPPPPPYYYYYYYBYYXXXXXUUUUUUUUUOIIIIZZZZZLLLZZZZZZZZZZZZZZZZIIIIUUUUUXPPXPPPPPPPPPPYYCCCCCC
+QQQQQQQQQWWZZZWMMMMMMMMMBMMWWDDSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYXXXXXXUUUUUUUUUOOIIIZZZZLLLLLZZZZZFFFFFFFFFHHHIUUUUUPPPPPPPYPPYPPPYYYCCCCCC
+QQQQQQLQQQWWZZZMMMMMMMMMMMHHWSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYYXXXXXXXUUUUUUUUUOIIIIIZLLLLLLZZZZZZFFFFFFFFFHHHIUMUUUPPPPPPPYYYYYYYYYYYCCCYC
+QQQQQLLQLLZZZZMMMMMMMMMMMMMMWSSSSSSSSSSSPPPPPPPPPBYPPPYYYYYYYYYYYYXXXXXUUUUUUUUUIIIIIIIILLZZZZZZZZZFFFFFFFFFHHFFFFQUULLPPPPPQYYYYYRYYYYYYYYY
+QQQLLLLLLLLZZZMMMMMMMMMMMMMMNMSSSSSSSSSSVVPPPPPPBBYYYYYYYYYYYYYYYYYXXXXUUUUUUUUUOIIIIILLLLZZZZZZZZZFFFFFFFFFFFFFFFFUUMMPPPPPYYYYYYYYYYYYYYAA
+QQQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSSSVVPPPBBBBBBYYYGGGGGGGGGYYYYYYYYUUUUUUUUUIIIIILLLLZZZZZZZZZZFFFFFFFFFFFFFFFFMMMOPPPPGYYYYYYYYYYYYYYYA
+QQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSRRSVVVVVVBBBBBYYYGGGGGGGGGYYYYYYYXUUUUUUUUUIIIIILLLLLZZZZZZZZZZZHHZZHHFFFFFFFFMMMMMPPPYYYYYYYYYYYYYYYYY
+QQLLLLLLLLLZZZMMMMMMMMMMMMMMMSSSSSSRRRRSVVVVVBBBBBBBYYGGGGGGGGGYYYYYYEEUUUUUUUUUIIIIILLLLLBZZZZZZZZZZHHHHHHFFFFFFFFMMMMMMPIIYYYYYYYYYYYYYYYY
+QQQLLLLLLZZZZZZMMMMMMMMMMMMMFSSSSSSRRRRRRVVVVVVVVBBYGGGGGGGGGGGYYXYYYEEEEEEEEEEEIEIILLLLLLZZZZZZZZZZZZHHHHHFFFFFFFFMMMMMMPPIIYYYYYYYYYUUYYYU
+QQQQQQGLLLLPPPMMMMMMMMMMMMMMMSRSSSRRRRRRVVVVVVVVBBBQGGGGGGGGGGGGGGYXXXEEEEEEEEEEEEELLLLLHZZZZZZZZZZZXZHHHHHFFFFFFFFMMMMIIIIIYYYYYYYYYYUUUUYU
+QQQQQQQQQLKPPPPIIMMMMMMMMMUUUURRSRRRURRRVVVVVVVVVBQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJEELLLHHHHHHHHHZZDDZZZHHHHHFFFFFFFFQMMMQQIIIIYUUUUYYYYUUUUUU
+JJQQQTQQQKKKPPPPPQQMUUMUUUUUURRRSRUUURRRUUUVVVUVVVQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJJJLLHHTTHHHHHHYYYDDDZHHHHHFFFFFFFFQMMMQQQQQUUUUUUUUUUUUUUUU
+JJJJQTTQKKKPPPPPPQQQUUUUUUUCURRRRRRUUURRUUUVUUUUVVQQGGGGGGGGGGGGGGXXXXZEEEEEEEEEJJJJJHTTTTHHHHHHYDDDDHHHHHHMMQQQHQQQQMQQQQQUUUUUUUUUUUUUUUUU
+JJJJJTTTPKKPPPPPPPQUUUUUUUUUUURRRRRRUUUUUUUVUUUUUVVQGGGGGGGGGGGGGGXXXXZEZZZZEEEJJJJJTTTTTTTTHHHHYYYMMHHHMHHMMMQQQQQQQQQQQQQUUUUUUUUUUUVUUUUU
+JJJJJTTPPPPPPPPPPPPUUUUUUUUUURRRRRRUUUUUUUUUUUUUUVVUGGGGGGGGGGGGGGXXRRZZZZZZEEDDDJJTTTTTTTTHHHHHYMMMMHMHMMMMMMMQLLLQLQQQQQQUUUUUUUUUVUVVUUUU
+JJJJJJJPPPPPPPPPPPUUUUUUUUUUURRRRPRRRUUUUUUUUUUUUVVUGGGGGGGGGGGGGGZRRRRRRRDDDDDDDJJJZTTTTTTTHHYYYYMMMMMHHMMMMMLLLLLLLLQQSQQSSUUUUBBBVVVVVUUU
+JJJJJBBPPPPPPPPPPPUUUUUUUUUUUURRRPPCCUUUUUUUUUUUUUUUGGGGGGGGGGGGZZRRRRRRRBDDDDDDDJJJTTTTTTTTYHYYYYYYUMMMHMMMMLLLLLLLLLLLSSSSUUUUBVVVVVVZVUUU
+JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURRPPPCCGUUUUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRYDDDDDDJJTTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLSSSSSSUUUBVVVVVVVVVUU
+JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURUPPPCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDJTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLLSSSSSSSSSEEEEVVVVVVVU
+JJJJBBBBQQQPPPPPPPUUUUUUUUUUUUUUPPCCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDTTTTTTTTTTYYYYYYYOYMMMMMMMMMMMMMLLLLLLSSSSSSEEUEEEVEEVQQVQ
+JJJJJBBBBQQQPPPPUUUUUUUUUUUUUUPPPPCCCCCCCCCFFUUUUUUUQGGGGGGEEKKKKZZRRRRRRRRRDDDDHDTTTTTTTTTTTTYYYYYYYMMMMMMMMMMMMMMMSSSSSSSSSSEEEEEEEEQQQQQQ
+JJJJBBBBBQQQQQPPUHHWUUUUUUUUUUPPPPCCCCCCCCCFFUUEUUMUQGGGGGGEEEKKKZRRRRRRRRRRRHDDHDDDTTBTTTTTTTYYYYYYYYMMMMMMMMMMMMSSSSSSSSSSSEEEEEEEEEEQQQQQ
+JJHBBBBBQQQQQPPPPHHWWUUUUUUUUPPPPPCCCCCCCCCCAUUEUUUUQGGGGGGEKKKKPRRRRRRRRRRRRHHHHHDTTTTTNTTTTTTTXYYAAYYMMMMMMMMMMMGGSGGGOOOSOOOEEEEEEEEEQQQQ
+JHHHBBBBQQQQQPPPPHHWWUUUWWWUPPPPPPPPCCCCCCAAAAAEEEUUUGGGGGGCKKKKKKKRRRRRRRRRRHHHHHDTWWTTNNNTTTXXXYAAAAMMMMMMMMMMMGGGGGGJOOOOOOEEEEEEEEEEQQQE
+HHHHBBBUQQQQQPPPPWHWWWUWWWWUPPPPPPPPPPCCCCAAAAAEEEEEEGGGGGGCKKKKKKKRRRRRRRRRGGHHHHHHWWNNNNNNTXXXXXXAAAAAMMMMMMMMGGGGGGJJOOOOOOEEEEEEEEEEEQEE
+HHHHHBBBBQQQPPPPWWWWWWWWWWWWWPPPPPPPPPCCCAAAAAEEEEEECCCCCCCCKKKUKKRRRRRRRRRRRGHHHHHWWDDDNNNNTTXNNNNVAAAAAMWMMMMMGGGGGGJJOOOODEEEEEEEEEEEEEEE
+HHHHHHHHUQQUPPPPWWBWWWWWWWWWWPPPPPPPPPCCAAAAAAAEEEEECCCCCCCCCKKKKRRRRRRRREKKKKKDHHHWDDDDNNNNNNNNNNNNNAAAAAMMMMPMMEGGGEOOOOOOEEEEEEEEEEEEEEEE
+HHHHUHHHUQQUUPPPSUUWWWWWWWWWWPPPPPPPPPPCJPBAATTTTTEEEERRCCCCRRKKKKRRRRRRRRKKKKKKNHHWDDDDDNNNNNNNNFFNNAAAAAAAAMPMEEGGGEOOOOOOVVVEEEEEEEEEEEEE
+HHHHUUUUUUUUUUVVUUWWWWWWWWWWWPPPPPPPPPPPPPAATTTTTTEEEERRUCCCCRKKKKKKRRRKKKKKKDDJDDDWDDDDDNNNNNNNNNNNAAAAAAAAAMMAEEEGGEEOOOOOOVVSESSSSEEEEEEE
+HHHHHUUUUUUUUUUUUUWWWWWWWWWWWPPPPPLTTPPPPPPTTTTTTTTTEERRRCCCCRRKKKKKRRKKKKKKKDDDDDDDDDDDDDDNNNNNNNNNAAAAAAAAMMAAEEEEGEEEEEOOVVSSSSSSSEEEEEEE
+HHHHHHHHHUUUUUUUUUWWWWWWWWWWLLLLLLLTTPPPPPPTTTTTTTTTEERRPCERRRRRKKKKKKKKKKKMKLDDDEDDDBBBBBBBNNNNNNNNNAAAAAAAAAAAAAEEEEEEEEOOVVSSSSSSSSSSEGGE
+HHHHHHHUUUUUUUUUXUWWWWWWWWWWLLLLLLLTTTPPPTTTTTTTTTTTERRRRRRRRRRRRKKKKKKKKMKMLLLDDDDDDBBBBBBBNNNNNNANAAAAAAAAAAAAAAEEEEEEEEEESSFSSSSSSSSSESGG
+HHHHHHHUUUUUUUUXXXXWWWWWWLLLLLLLLLTTTTTTTTQTTTTTTTTTTRRRRRRRRRRRKKMMKKKKKMMMMMLLDDDDDBBBBBBBNNNNNNNAAAAAAAAAAAAAAAKKEEEEEEEESSSSSSSSSSSSSSGG
+HHHHHUUUUUUUUUUXXXXXWWWXLLLLLLLLLLTTTTTQQQQTTTTTTTTTTTRRRRRRRRRRRKMMMKKKKMMMMMMDDDDDDBBBBBBBNNNNNNNNNAAAAAAAAAKKKKKKEEEEEEEEESSSSSSSSSQSNQGG
+HHHKKUUUUKUUUWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQTQQQTTTTTTRRRRRRRRRRRRMMMMKKKKMMMMMMDDDDDDBBBBBBBDNNNNNNNBBBBBBBAAAAKKKKKKKEEEEEEEESSSSSSSSQQQQGG
+HHHHKKLKAKKUWWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQQQQTTTTTTTRRRRRRRRRRRRMMMMMKMMMMMMMMQQDDDDBBBBBBBNNNNNNNNBBBBBBBAAAAKKKKKKEEEEEEEESSSSSSSSSQGQQGG
+HHHHHKKKKKKUWWWWWXXXXXXXXLLLLLLLLLQVQQQQQQQQQQQTTTTTRRRRRRRRRRRNNMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBNABBBBBBBAAAAKKKKKKEEEEEENEESSSSSSQSQQQQGQ
+HHHHKKKKKKKRWWWWWWXXXXXXXLLLLLLIILIQQQQQQQQQQQQQTTTTRRRRRRRRRRRNMMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAKKKKKKEEEENNNNSSSSSSSQQQQQQQQ
+HMHHKKKKKKKRWWWWWXXXXXXXXLLLLLLIIIIQQQQQQQQQQQQQTTTRRRGRRRRRRRRNMMMMMMMMMMMMMMZQZZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAAAKKKKEEENNNNNSSSNSSSQQQQQQQQ
+MMKKKKKKKKKWWWWWWXXXXXXXXLLLLLLLLIIIQQQQQQQQQQQQQQTRRRRKKRRRRRNNMMMMMMMMMMMMBBZZZZZZDBBBBBBBBBBBBBBBBBBBBBBAAIIAKKKKKKKENNNNNNNSNSSUUQQQQQQQ
+NMMMMKKKKKKWWWWWWWXXXXXLLLLLLLLLLLLIIQQQQQQQQQQQQEEERRIIKRRRRNNNMMMMMMMMMMMMMBZZZZZZZBBBBBBBBBBBBBBBBBBBBBBNIIIKKKKKKKKKKNNNNNNNNSUUQVQQQQQQ
+MMMKKKKKKKKWWWWWWXXXXXXXXRRRRJXXXLIIQQAQQQQQQQQQQEEEEEIIIIINNNNNNMMMMMMMMMMMBBZZZZZZZDSSBBBBBBBBBBBBBBBNNNEEIIIKKKKKIKKNNNNNNNNNNNQQQQQQQQQQ
+MFMIFFKKKKKKWWWWWWXXXXXXRRRRJJJXXQQQQQQQQQQQQQQQQEEEEEEEIINNNNNNNNNNMMMMMMMBBBBBZZZZZDZZBBBBBBBBBBBBBBBNNNIIIIIKKKIKIINNNNNNNNNNNQQQQQQQQQQQ
+FFBIFFFKKKKKWWWWWWXXXXXXWWRRRJJXXXXQQQQQQQQQQQQQQEEEEEIIIINNNNNNNNNNNMMMMMMMBBBCBZZZZZZZBBBBBBBBBBBNNNNNNIIIIIIIIIIIIINNNNNNNNNNNNNQQQQQQQQQ
+FFBBBFFFFKKKYWWWXXXXXXVWWWRRRJXXXXXXXQQQQIQQQUQQUUEUEEIIIIIIINNINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBIINNNNIIIIIIIIIIIIIIINNNNNNNNNNNNNHQQQQQQ
+FBBBBFFFFFFFFWWWXXXXXXXWWWRWWXXXXXXDDPPPQQUUUUUQUUUUIIIIIIIIIIIINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBINNNNNIIIEIIIIIIIIIIIINNNNNWNNNNNNHQZQQQQ
+BBBBBFFFFFFFEEEQXXXXXXXXWWWWWXWXXXXDDPPZZUUUUUUUUUUUIIIIIIIIIIIINNNNNNMBBBBBBBBBBBBZZZZZZZBBBBBBBBBIIIIEEEEEEIIIIIIIIIIIWWWWWUWWNWNNNNQZZDDD
+BBBBBFFFFFEEEEEQXNNXXXWWWWWWWWWWXDDDDQQUUUUUUUUUUUHBIIIIIIIIIIIBNNNNNNBBBBBBBBBBBBZZZZZZZZBBBBBBBBBIIIIIEEEEEIIIIIIIIIIIWWWWUWWWWWNNNNNZDDDD
+BBBBBBFFFFFEEEEEENNNNWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBIIIIIIIIIIIBNNNNNBBBBBBBBBBBBDBBZZZZZZBBBBBBBBBIIIIEEEEEEEEEIIIIIIIWWWWWWWWWWWNNNZZZDDDD
+BBBBBBBEFFFEEEEEENENNNWWWWXXXXXXXXXXDDDDDDDDUUUUBBBBBIIIIIIIILBBBNBNNNNBBBBBBBBBBBBZZZZZZZBBBBBIIIIIIEEEEEEEEEEEIIIIIIIWWWWWWWWWWWZZZZZZDDDD
+BBBBBBEEEYEEEEEELEEENNWWWWXXXXXXXXXXDDDDDDUUUUUUUBBBBIIIIIIIIIBBBBBBBBBBBBBBBBBBBBBBZZZZZZHHHUUUIIIIIENEEEEEEEEEIIIIMMMWWWWWWWWWWWZZZZZZZZDD
+BBBBBBBEEEEEEEEEEEEENWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBBIIIIIEIIBBBBBBBTTBBBBBBBBBBBBBZZZZZZZHUUUUUUUIIEEEEEEEEEEEEEMMMMMMMWWWWXXXXXWZZIJZZZZDZ
+BBBBBBBBBEEEEEEEEEEEELXXXXXXXXXXXXXXDDDDDDUUUUUUUBTUBIIIIIIIBBBBBBBBTBBBBBBBBBBBBBZZZZZZZZUUUUUUUUIIIELEEEEEEEEEEMMMLWWMWXXXXXXXXXZIIIIIZZDZ
+BBBBBBBBBEEEEEEEEEEEEEXXXXXXXXXXXXXXDRRDZAUUUUUUUUUUUNNNNIMBBBBBBBBBBBBBBBBBBBBOOBZZZZZZZZZUUUUUUUUUEEEEEEEEEEEEEMMMLLWWWXXXXXXXXXZIIPIZZZZZ
+BBBBBBBBBBEEEEEEEEEEEWXXXXXXXXXXXXXXDRRDAAAUUUUUUUUMMMNMNNMBBBBBBBBBBBRNBBBBBVNOZZZZZZZZUUUUUUUUUUUUUEEEEEEEELELLMMLLLWWWXXXXXXXXXZIIIIIIZZZ
+BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAARAUUUUUUUMMMMMMMMBBBBBBBBBBBRNNBBNNNNOOZZZNNZUUUUUUUUUUUUUUUUEEEEEELLLLMLLLLWWWXXXXXXXXXZIIIIIIZZZ
+BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAAAAAUUUUUUMMMMMMMMBBBBBBBBBBRRNNNNNNNNOONZZNNZUUUUUUUUUUUUUZEEEEEEEELLLLLLLLVWWWXXXXXXXXXIIIIIIIIIZ
+BBBBBBLLLLLLLLXXEEEVEKXXXXXXXXXXXXXXWVVVVVVAAAAUUUUMMMMMMMMBBMBBBBBBBBRNNNNNNNNNNNNNNUUUUUUUUUUUUUUUEEEEEEEEELLLLLLLLLLLWXXXXXXXXXIIIJZZZZZZ
+BBBBBBLLLLLLLGLLEEEEEKXXXXXZZZZZZZWWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBNNNNNNNNNNINNNNUUUUUUUUUUUUUUJEEEEEEEELLLLLLLLLLLWWXXXXXXXXXJJJJJJJZZZ
+BBBBBBLLLLLLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBBNNNNNNNNNNNNNNUUUUUUUUUUUUVVICCELEEEELLLLLLLLLLDDWXXXXXXXXXWWJJJJZZZZ
+BLLLLLLLOOOLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVVURRUFRMMMMMMMMMBBBBBBBBNNNNNNVKKNNNNNNNNNNNUUUUIVVVVVICCCEEEEELLLLLLLLLDDDDXXXXXXXXXJJJJJJJZZZ
+BLLLLLLLOOOLLLLLLLLLLLCZZZXXXXXXXXXZVVVVVVVVVVRRRRRRRRMMMMMMMIIIBBBBBBBBVVVVVKYNNNNNNNNNNNUIIIIVVVIIIIEEEEELLLLLLLLLLDDDDDDXXXJJJJJJJJJJJZZZ
+BLLLLLLLOOOLLLLLLLLLLLLLZZXXXXXXXXXZVVVVVVVVVRRRRRRRRRRRTTTIIIIIIIBBBYYVFVVVVVYYNNNNNNNINNNIIIIVVIIIIEEEEEEEELVLLLLGLLDDDDDXXXJJJJJJJJJJJJJZ
+LLLLLLLLOOOLLLLLLLLLLLLNZZXXXXXXXXXZVVVVVVVVRRRRRRRRRRRRRRRNIIIIIBBBBYYVVVVVYYYYYYNNNNNIIIBIIIIVIIIIIBEEEDDKELVVDLLLLDDDDDDDDDJJJJJJJJJJJJJZ
+LLLLLLLLOOOLLLLLLLLLLALNZZXXXXXXXXXZVVVVVVVVKRRRRRRRRRRRRRRRRIIIIBBBBBYYYYVVYYYYYYNNNIIDIIIIIIIIIIIIIIDREDVDEVVVDLLDLDDDDDDDDJJJJJJJJJJJJJJJ
+LLLLLLLLOOOLLLLBBBLLAAZZZZZZZZZZZZZMVVVVVVVRRRRRRRRRRRRRRXRRIIIIIIIIBYYYYYVVYYYYYYNNNIIIIIIIIIIIIIIIIIDDDDDDDVVDDDDDDDDDDDQDDDJJJJJJJJJJTJJC
+LLLLLLLLOOOLLLBBBBLLLAAAAAMZZZZMZZMMMVVVVVVRCCCRRRRRRRRRRRRRIIIIIKKYYYYYYYYYYYYYYYYYNNIIIIIIIIIIIIIIIIDDDDDDDVDDDDDDDDDDDQQDDDJJJJJJJJJTTTJC
+LLLLLLLLOOOLLLLBBBLQLAAAAAMMMZZMZMMMVVVVVVVRCCCCCRRRRRRIIIRRRIIIIKKYYYYYYYYYYYYYYYYYYIIIIIIIIIIIIIIISIDDDDDDDVVDDDDDDDDDQQQDQQGJJJJJJJJGGGCC
+LLLLLLLLOOOLLLBBBBBBAAAAAAMMMMMMMMMMMVVVVVVCCCCCCRRRRRRIIIIIIIIIIIKYYYYYYYYYYYYYYYOOOIIIIIIIIIIIIIIIGIDDDDDDDDDDDDWWQQQQQQQQQQGJTJJWWWWGGGCC
+LLLLLLLLOOOLLLBBBBBBAAAAAAAMMMMMMMMMXXVVVVVCCCCCCCEEERJJJIIIIIIIIKKKKYYYYYYYYYYIIIIIIIIIIIIIIIIIIIIGGGDDDDDDDDDDIWWGQQQQQQQQTTJJTTGGGGWGGGGC
+TLLLLLLLLLLLLLBBBBBBBAAAAAAMMMMMMMMXXXVVXVVCCCCCCCEEEEAAAAAIIIIIIKKKKYYYYYYYYYYIIIIIIIGIIIIIIIIIIFGGGGDDDDDDDSDWWWGGQQQQQQQQTTTTTGGGGGGGGCCC
+TLLLLLLLLLLLLLCBBBBBBBACAAAMMMMMMMMXXXXXXXCCCCCCCCEEECAUUUUUUIIIIKKKYYYYYYYYYIIIIIIIIIGIIIIIIFFFFFGGGGDDDDDDSSSSWWWGGQQQQQQQTTTTGGGGGGGGGCCC
+ZLLLLLLEELLLLLBBBBBBBUCCCMMMMMMMMMMMXXXXXCCCCIIIIIIIIIIUUUUUUHIIKKKKYYYYYYYYYYGXIIIIIIGIIIIIIGGFFFGGGGGDDDDDSSSSSGGGGGQQQQQTTTTGGGGGGGGCCCCC
+ZZLLLZZLLLLLLLBBBSBBBBBCMMMMMMMMMMXXXXXXXXCCCIIIIIIIIIIUUUUUUHIIIIKKJYYYYYYYYGGGIIIIIGGGGIIIQGGFGGGGGGGSSSSSSSSSSSSGGQQQQQTTQTTTTGGGGGGCCCCC
+ZZZEZZZZZLLRLLCCKCBBCCCCMMMMMMMMMMMXXXXXXXCCCIIIIIIIIIIUUUUUUHHHIIKKJYYYGGAGGGGGGFGIWGGGGIIGGGGGSSSSSSSSSSSSSSSSSSGGGQQQQQQQQQTTGGGGGGGCCCCC
+ZZZZZZZZZZLLLLSCCCCCCCCCCMNNMMMMMEEXXXXXXXXCCIIIIIIIIIIUUUUUUHQHHHJJJJJYGGGGGGGGGFGGGGGGGGGGGGGGSSSSSSSSSSSSSSSSSWWWGWQQQQQQQQQTGGGGGGCCCCCC
+ZZZZZZZZSSLLLSSSCCCCCCCCMMNMMMMMMMMXXXXXXCCCTIIIIIIIIIIUUUUUUHQHHJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSSSSSSWWWWWWWWWQWQQQQWQTTGGGGGGGGCCCC
+ZZZZZZZZSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXCXXCIIIIIIIIIIQQQQQQQQQAJJJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSWWWWWWWWWWQWWWQQGGGGGGGGGCCCC
+ZZZZZZZSSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXXXXXIIIIIIIIIIIIQQQQQQAAEAJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGDDDSSSSSSSSWWWWWWWWWWWWQQQQQGOGGGGGGCCQC
+ZZZZZZZZSTTTSSSSSCCCCCCCMMMMMMMMMMXXXXXXXXXXXXXWWIIIWAIIIQQAPQQAAAAAJJJJGGGGGGMGGGGGGGGGGGGGGGGGGGGGDDDDSSSSSSSAWHWHWWWWWWWQQQQQGGGQQGGGGCQQ
+ZZZZZZZZZTTTSSSTSSCCHCCMMMMMMEMMMAXXXXXXXXXXXXWWWIIIIIIIIIAAPPPAAAAAJJJMGGGGGGMMMGGGGGGGGGBBGGGEGGGGDDBDSSSSSSSHHHHHWWWWYWWQQQQQQQQQQQQGQQQQ
+ZZZZZZZOZTTTTTTTTSCCHCHMMMEEEEEMAAXXXXXXXXXXXXWIIIIIIIIIIIAUAPAAAAAAJJJMGGGMMGMMMGGGGGGGGGGGGGEEGGGGSSSSSSSSSSSHHHHHWWWYYQQQQQQQQQQQQQQQQQQX
+ZZZZZZZOZZTTTTTTTTTHHHHHMEEEEEEEEAAXXGXJXXXXXXWIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHWHHHHQQQQQQQQQQQQQQQQQ
+ZZZZZOOOTTTTTTTTTTTTTTEHEEEEEEEEAAXXXXXJXCXXXIIIIIIIIIIIIIAAAAAAAAAAMMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHHHHHHQQQQQQQQQQQQQQQQQ
+ZZZZZOOOTTTTTTTTTTTTTTEEEEEEEEEEEAXXAAAJACCCCIIIIIIIIIIIIIAAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGGGGEEEEEEESSSSSSSSSSSHHHHHHHHHHHHQKKQQQQQQQQQQQQQQ
+OOOOOOOOOOTTTTTTTTTTTUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIFAAAAAAAAAAAMMMMMMMMMMMGGGGGGUGGGEGEEEEEEESSSSSSSSHHHHHHHHHHHHHHHHKKKKQQQQQQQQQQQQ
+OOOOOOOOOOTTTTTTTTTTUUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGEEEEEEEEEEESSSSSSSSXXHHHHHHHHHHHHHHKKKQQQQQQQQHQQQQ
+OOOOOOOOOOOTTTTTTTTTCCCESSSSSSSZEAAAAAAAEEECCSIIIIIIIIIISSAAAAAAAAAAMMMMMMMMMMMMMMGGGGOOEEEEEEEEEEEESSSSSSSSXXXHHHHHHHHHQHHHHKNPPIQQQQQHQHHH
+OOOOOOOOOOTTTTTTTTTTCCCCSSSSSSSEEEAAAACEEEESSSIIIIIIIIIISSAAAMMAAAAAMMMMMMMMMMMMMMXXGGJEEEEEEEEEEEXBSSSSSSSSXXXXHHHHHHHQQHHKKKNNPIIIQIIHHHHH
+OOOYYYYYOOTTTTTTTTTTBCCCSSSSSSSEHHHAAAEEEEESSSIIIIIIIIIITGGAMMMAAAMMMMMMMMMMMMVVVMXXXJJJJEEEEEEEEEXXSSSSSSSSXXXXXHHHHHHHHHKKKKKNNIIIIIIHHHHH
+OOYYYYYYOTTTTTTTTTUTCCCCSSSSSSSEHHHAAAEEEEEESSIIIIIIIIIITGGAMMMAAAAAMDMMMMMMMMVVXXXXXJJJJEEEEERRREXXSSSSSSSSXXXXXHHTHTKKHHKKKKKNNTIIIIIHHHHH
+OOYYYYYYOYTTTTTTTCUCCCCCSSSSSSSYYHIIIIIEEEEESSIIIIIIIIIITTTTMMMMAAADDDDMMMMMMMVVVVXXXJJJJJEEEERRRXXXBBBXXXXXXXXXHHHTTTTKKKKKKKNNNTIIIIIIHHHH
+YYYYYYYYYYTTTTTTTCCCCCCCSSSSSSSYYHIIIIIIEEEEESSSSSSSSSTTTTTJTYYYAADDDDDDVVMVVVVVVVJJJJJJJJEEEEERRXXXBBXXXXXXXXXXGGGTTTTTKKKNNNNNIIIIIIIIIHHH
+YYYYYYYYYYYYTTTYYYCCCCCCSSSSSSSSSPIIIIIEEEEEESSSSSSSTSTTTTTTTTYYYADDDDDDVVVVVVVVVVJJJJJJJJEEEERRRXXXXXXXXXXXVXVVVVGTTTUTKNNNNNNNIIIIIIIIIHHH
+YYYYYYYYIIYYYYYYYCCCCCCCCCSSSSSSSIIIIIIIEEEEEEESSSSSTTTTTTTTTTTYYYDDDDDDVVVVVVVVVVVVVJJJJJEEERRRRRRXXXXXXXXXVVVVVGGTTTTMNNNNNNNNIIIIIIIIIHHH
+YYYYYYYYHHHHHHYYYYCCCCCCCCSSSSSSSIIIIIIEEEEESESSSSSSTJTTTTTTTTYYYYYDDDDDDVVVVVVVVVVJJJJJJJEEERRRRRRRRXXXXXXXVVVVVVVVATTNNNNNNNNNIIIIIIIIHHHH
+YYYYYYYYYHHHHHHYYYCCCCCCCCSSSSSSSIIIIIGEEEEESSSSSSSSSYTTYTYYYYYYYYYDDDDDDDDVVVVVVVVJVVVVJEEERRRRRRRRRXRRXXXXVVVVVVVVAAAANNNNNNNNNIIIIIIIIHHH
+YYYYYYYDYHHHHHYYYYCCCCCCCCSSSSSSSIIIGGGEEEEEESSSSSSSSYYYYYYYYYDDDYYYDDDDSDDDVVVVVVVVVVVVVEEERRRRRRRRRRRRXXXXVVVVVVVVAAAANNNNNNNNNNIIIIUUIIHH
+YYYYYYYYHHHHHYYYYYCCCCCCCCSSSSSSSIIIIIIIPEEEEESSSSSYYYYYYYYYYYDDDDSSDSSSSVVVVVVVVVVVVVVVEEEERRRRRRRRRREEXXXVVNVVVVVVAAAANNNNNNNNNNIIIUUUUUHH
+SYSSSSYYHHHHHHYYYYCCCYCHCCSSSSSSSSSSSIHPPEEEEEEESSSYYYYYYYYDDYDDDDSSSSSSSSSVVVVVVVVVVVMMMMMMKMRRRRRRRRTEXXXXTVVVVVVAAAAAANNNNNNNNNNUIUUUUUUH
+SYSSSSYYHHHHHHYYYYYYCYIHHCSSSSSSSSSSSHHHHEEEEEESSSSAYYYYYYYDDDDDDDFSSSSSSSSSVVVVSVVMMMMMMMMMKMMRRRRRRTTEETTTTTTVVVAAAAAAANNNNNNNNNNUUUUUUUUU
+SSSSSSSSSHHHHHYYYYYYYYYHHHHSSSSSSSSSSHHHHEEEEEEAASSSHYYYYYYDDDDDFFFSSSSSSSSSSVVVSVVMMMMMMMMMMMMRTRRRRTTTTTTTTTTVAAAAAAAAANNNNNNNNNNUUUUUUUMU
+SSSSSSSHHHHHHHHHYYYYYYYYHHHSSSSHHIIIHHHHEEEEEAAAAASHHHHSYYYDDDFFFFSSSSSSSSSSSSSSSVVMMMMMMMMMMMAATRRRTTTTTTTTTTUVAAAAAAAANNNNNNNNNNNUUUUUUUUF
+SSASSSSSSHHHNHHHZZJJYTYHHHHHHHHHHHIIHHHHHHEEEAAAAAAATHXXXYYADDFFFFSSRSSSSSSSSSSSVVVMMMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUNNNNNUNUUUUUUUBBBF
+SSASSSSSSHHHHJHZZJJJYYYHHHHHHHHHHHHHHHHHHHGEEAAAAAAAAXXXXYYAAAAAAAASASSSSSSSSSSSSSVVMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUUNNUNUUUUUUUUUBBBBB
+SAAAASSSSBHHVJHHJJJJYYHHHHHHHYYHHHHHHHHHHHGAAAAAAAAAAXXXXXYYAAAAAAAAAAASSSSSSSSSVVVMMMMMMMMMMAATTTTDTTTTTTTTTTTAAAAAAAAAUUUUUNUUUUUUUUBBBBBB
+SAAAAASBBBBJJJJHJJJJYYHHHHHHYYYYYHHHHHHHHAAAAAAAAAAAAXKXXXIRAAAAAAAAASSSSSGASSSSVVVTMMMMMMMMAAAATTMDTTTTTTTXZTTAAAAAAVAAVVUUUUUXUXUUUUUHHBBH
+AAAAAASSSBJJJJJJJJJHHHHHHHHYYYYYYYYYHHHHHAAAAAAAAAAAAXXXNIIRRAAAAAAAAAAAASSAASSSSVTTMSMMMMMMMAAATTMMMMTTTXTXXTXAAAAAAVVVVEUUUUUXXXUUUUUUHHHH
+AAAAAJRJJJJJJJJJJJJHHHHHHHYYYYYYYYYYHHHHHAAAAAAAAAAAAJIIIIIRAAAAAAAAAAAAAASAAATSRVTTMMMMMMMXXXAAATPMMMKXXXXXXXXXAAAAAVVVVUUUUUXXXXXXXUUUHHHH
+AAAAARRTTJAAJJJJJJJJHHHHHHHYYYYYYYYYHHHAAAAAAAAAAAAAAJIIIIIIIIIAAAAAAAAAAAAAATTTVVTTMMMGMZZXXXXAAMMMMXXXXXXXXXXXAAAVVVVVVUUUUXXXXXXXXXHHHHHH
+AAAAARRRJJAJJJJJJJJJHHHUUUUUYYYYYYYYYYEAAAAAAAAAAAAAAAYYIIIIIIIIAAAAAAAAAAAAAATTTTTTWMMMMZZXXXAAAAMMMXXXXXXXXXXXAAAVVVVVVUVVUXXXXXXXXXXHHHHH
+AAAAAAARJAAJJJJJJJJJMPPUUUUUYYYYYYYYYYAAAAAAAAAAAAAAAAAAIIIIIIIAAAAAAAAAAAAAAATTTTTWWDDDMXXXXXXXAAAXXXXXXXXXXXXXAAVVVVVVVVVVUXXXXXXXXHHHHHHH
+AAAAAARRRAAAJJJJJJJJPPPUUUUUYYYYYYYYYYAANNAAAAAAAAAAAIAIIIIIIIIAAISAIIIAAAATAATWWTWWWWDDXXXXXXXXXXXXXXXXXXXXXKKKAAVVVVVVVVVVUXXXXXXXXHHHHHHH
+AAAAAGGRRAAAAAJJPPPJJPPUUUUUYYYYYYYYYYYOOOOROSSAAAIAAIIIIIIIIFIIAIIIIIIAAOOOAATTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKAAKVVVVVVVVVVVTXXXXXIIXXHHHHH
+AAAAAGGGRRRAAAAAAPPPPPPPPPYYYYYYYYYYYYOOOOOOOSSSSAGGGGGIIIIIFFIIIIIIIIAAOOOOOOTTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKKKKKKVVVVVVVVVVXXXXXXXEXXHHHH
+AAAAAGGARAAAAAAPPPPPPPPPPPPPYYYYYYOYYYOOOOOOOSSSSGGGGGIIIIIIIFIIIIIIIIAAOOOOOOOOWWWWWWIIXHXXXXXXXXXXXXXXXXXXXXKVVVVVVVVVVVVVVVXXXXXXXEXXHHHH
+AAAAAGGAAAAAAAAPPPPPPPPPPPPPPPYYOOOOOYOOOOOOOOOSSGGGGGGIIIIIIIIIIIIIIIOOOOOOHHHHWWWWWWIIXHXXXXXXXXXLXXXXXXXXXXXZZVVVVVVVVVVVVVVXXXXXXXXXHHHH
+AAAGGGAAAAAAAAPPPPPPNNNPPPPPPPPPPOOOOOOOOOOOOOCGGGGGGGGGIIIIIIIIIIIIIIIQIOOOHHHHHWWWWWWIJHHXXXXXXXXXXXXXXXXXXHXZZVVVVVVVVVVVVVVXXXXXYYXXHHHH
+GAAGGGGAAAAAAAAAPJJNNNNPNPPPPPPPNOOOOOOOOOOOOOCGGGGGGGGGGGIIIIIIIIIIIIIIIOHHHHHHHWIWIIIIJHHXXXXXXXXXXXXXXXZZXXZZZVVVVVVVVVVVVVVYXYYYYYYYEEHH
+GGGGGGGGAAAAAAAAAJJNNNNNNPPPPPPPPOOOOOOOOOOUOOOGGGGGGGGGGINIIIIIIIIIIIIIIIIHHHHHHHIIIIJJJHHXXXXXXJXXXXXXXXXZZZZZVVVVVSSSZVVZVVVYYYYYYEEEEHHH
+GGGGGGGGGAAAAAAAAJJNNNNNNPPPPPPPPPPOOOOOOOOUUUGGGGGGGGGGGIIIIIIIIIIIIIIIIHHHHHHHHIIIIIIJJJHXXXXXXXWXXFXXXXZZZZZZVZZVVVVVZZZZZVYYYYEYYEEAEHHH
+GGGGGGGGAAAAAAAAAAJNNNNNNNPNPPPPXXXOOOOOOOOOUUGGGGGGGGGGGGIIIIIIIIIIIIHHIIHHHHHHHHHIIIIJJJHXXXXXXXWXFFFXXXXZZZZZZZZZZZVZZZZZZZYYYYEEEEEEHHHH
+GGGGGGGGGGGAAAJJJJJNNNNNNNNNPPPXXXXOOXXOOOOOGGGGGGGGGGGGGGGGIIIIIIIIIIIHHHHHHHHHHHHHHHHHHHHHXXXXXXXXXFFFFXXZZZZZZZZZZZZZZZZZZZZZYYEEEEEHHHHH
diff --git a/2024/go/day13/day13.go b/2024/go/day13/day13.go
new file mode 100644
index 0000000..5f90897
--- /dev/null
+++ b/2024/go/day13/day13.go
@@ -0,0 +1,58 @@
+package day13
+
+import (
+	"adventofcode2024/utils"
+	_ "adventofcode2024/utils/grid2d"
+	_ "adventofcode2024/utils/inputs"
+	"regexp"
+	_ "fmt"
+	"strings"
+)
+
+func Part1(input string) int {
+	val := 0
+	machines := strings.Split(input, "\n\n")
+	pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
+	re := regexp.MustCompile(pattern)
+	for _, machine := range machines {
+		matches := re.FindStringSubmatch(machine)
+		a := utils.MustAtoi(matches[1])
+		b := utils.MustAtoi(matches[2])
+		c := utils.MustAtoi(matches[3])
+		d := utils.MustAtoi(matches[4])
+		X := utils.MustAtoi(matches[5])
+		Y := utils.MustAtoi(matches[6])
+//		fmt.Println(matches)
+		B := (Y*a - X*b)/(a*d - c*b)
+		A := (X - c*B)/a
+//		fmt.Printf("A: %d B: %d\n", A, B)
+		if (A*a + B*c == X && A*b + B*d == Y) {
+			val += A*3 + B
+		}
+	}
+	return val
+}
+
+func Part2(input string) int {
+	val := 0
+	machines := strings.Split(input, "\n\n")
+	pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
+	re := regexp.MustCompile(pattern)
+	for _, machine := range machines {
+		matches := re.FindStringSubmatch(machine)
+		a := utils.MustAtoi(matches[1])
+		b := utils.MustAtoi(matches[2])
+		c := utils.MustAtoi(matches[3])
+		d := utils.MustAtoi(matches[4])
+		X := utils.MustAtoi(matches[5]) + 10000000000000
+		Y := utils.MustAtoi(matches[6]) + 10000000000000
+//		fmt.Println(matches)
+		B := (Y*a - X*b)/(a*d - c*b)
+		A := (X - c*B)/a
+//		fmt.Printf("A: %d B: %d\n", A, B)
+		if (A*a + B*c == X && A*b + B*d == Y) {
+			val += A*3 + B
+		}
+	}
+	return val
+}
\ No newline at end of file
diff --git a/2024/go/day13/day13_test.go b/2024/go/day13/day13_test.go
new file mode 100644
index 0000000..5778833
--- /dev/null
+++ b/2024/go/day13/day13_test.go
@@ -0,0 +1,45 @@
+package day13
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279`)
+	require.Equal(t, 480, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279`)
+	require.Equal(t, 480, r)
+}
diff --git a/2024/go/day13/input.txt b/2024/go/day13/input.txt
new file mode 100644
index 0000000..3b53baf
--- /dev/null
+++ b/2024/go/day13/input.txt
@@ -0,0 +1,1279 @@
+Button A: X+17, Y+68
+Button B: X+62, Y+15
+Prize: X=4507, Y=17764
+
+Button A: X+19, Y+95
+Button B: X+59, Y+23
+Prize: X=6550, Y=10174
+
+Button A: X+20, Y+58
+Button B: X+60, Y+11
+Prize: X=3140, Y=4691
+
+Button A: X+92, Y+31
+Button B: X+49, Y+87
+Prize: X=6599, Y=2717
+
+Button A: X+46, Y+72
+Button B: X+29, Y+12
+Prize: X=18754, Y=13304
+
+Button A: X+42, Y+33
+Button B: X+19, Y+81
+Prize: X=3531, Y=6144
+
+Button A: X+80, Y+13
+Button B: X+20, Y+75
+Prize: X=1860, Y=3818
+
+Button A: X+79, Y+14
+Button B: X+56, Y+66
+Prize: X=6740, Y=3830
+
+Button A: X+18, Y+85
+Button B: X+70, Y+36
+Prize: X=5358, Y=5861
+
+Button A: X+42, Y+44
+Button B: X+52, Y+14
+Prize: X=6310, Y=4870
+
+Button A: X+56, Y+90
+Button B: X+88, Y+41
+Prize: X=9208, Y=8572
+
+Button A: X+95, Y+67
+Button B: X+13, Y+71
+Prize: X=3065, Y=6799
+
+Button A: X+70, Y+22
+Button B: X+13, Y+57
+Prize: X=17469, Y=5153
+
+Button A: X+36, Y+65
+Button B: X+79, Y+27
+Prize: X=5764, Y=4394
+
+Button A: X+20, Y+46
+Button B: X+67, Y+29
+Prize: X=4637, Y=10139
+
+Button A: X+47, Y+72
+Button B: X+42, Y+20
+Prize: X=1495, Y=10984
+
+Button A: X+37, Y+96
+Button B: X+70, Y+53
+Prize: X=3563, Y=6029
+
+Button A: X+20, Y+59
+Button B: X+62, Y+13
+Prize: X=5550, Y=18133
+
+Button A: X+16, Y+52
+Button B: X+70, Y+61
+Prize: X=2400, Y=5136
+
+Button A: X+70, Y+32
+Button B: X+22, Y+53
+Prize: X=320, Y=18668
+
+Button A: X+47, Y+78
+Button B: X+78, Y+17
+Prize: X=6317, Y=6323
+
+Button A: X+48, Y+33
+Button B: X+20, Y+89
+Prize: X=4296, Y=7017
+
+Button A: X+17, Y+53
+Button B: X+43, Y+14
+Prize: X=19634, Y=5590
+
+Button A: X+41, Y+95
+Button B: X+78, Y+30
+Prize: X=6816, Y=6900
+
+Button A: X+14, Y+75
+Button B: X+65, Y+12
+Prize: X=10103, Y=12239
+
+Button A: X+84, Y+69
+Button B: X+23, Y+95
+Prize: X=6178, Y=11620
+
+Button A: X+57, Y+88
+Button B: X+70, Y+33
+Prize: X=4926, Y=6479
+
+Button A: X+84, Y+34
+Button B: X+29, Y+78
+Prize: X=6138, Y=2882
+
+Button A: X+32, Y+60
+Button B: X+62, Y+29
+Prize: X=13264, Y=10848
+
+Button A: X+81, Y+69
+Button B: X+13, Y+61
+Prize: X=7893, Y=11217
+
+Button A: X+98, Y+12
+Button B: X+85, Y+85
+Prize: X=8352, Y=3708
+
+Button A: X+22, Y+91
+Button B: X+73, Y+39
+Prize: X=1457, Y=4186
+
+Button A: X+38, Y+56
+Button B: X+97, Y+16
+Prize: X=9339, Y=3480
+
+Button A: X+46, Y+13
+Button B: X+36, Y+71
+Prize: X=14918, Y=17793
+
+Button A: X+27, Y+74
+Button B: X+64, Y+13
+Prize: X=11637, Y=3584
+
+Button A: X+18, Y+58
+Button B: X+35, Y+16
+Prize: X=13544, Y=2948
+
+Button A: X+32, Y+99
+Button B: X+99, Y+16
+Prize: X=7159, Y=4441
+
+Button A: X+86, Y+49
+Button B: X+12, Y+49
+Prize: X=13188, Y=6269
+
+Button A: X+19, Y+72
+Button B: X+37, Y+27
+Prize: X=1001, Y=3114
+
+Button A: X+80, Y+39
+Button B: X+36, Y+55
+Prize: X=3848, Y=4797
+
+Button A: X+32, Y+77
+Button B: X+82, Y+21
+Prize: X=4120, Y=4977
+
+Button A: X+41, Y+64
+Button B: X+41, Y+16
+Prize: X=1829, Y=5360
+
+Button A: X+67, Y+45
+Button B: X+13, Y+29
+Prize: X=19806, Y=5416
+
+Button A: X+84, Y+13
+Button B: X+37, Y+55
+Prize: X=2852, Y=3792
+
+Button A: X+70, Y+37
+Button B: X+21, Y+52
+Prize: X=8089, Y=10953
+
+Button A: X+16, Y+57
+Button B: X+81, Y+38
+Prize: X=18875, Y=17714
+
+Button A: X+91, Y+87
+Button B: X+24, Y+97
+Prize: X=3019, Y=5182
+
+Button A: X+48, Y+60
+Button B: X+75, Y+17
+Prize: X=3267, Y=937
+
+Button A: X+78, Y+26
+Button B: X+54, Y+95
+Prize: X=10638, Y=9706
+
+Button A: X+21, Y+90
+Button B: X+65, Y+18
+Prize: X=5264, Y=4320
+
+Button A: X+14, Y+58
+Button B: X+41, Y+33
+Prize: X=931, Y=983
+
+Button A: X+22, Y+45
+Button B: X+55, Y+23
+Prize: X=18987, Y=18336
+
+Button A: X+24, Y+61
+Button B: X+75, Y+29
+Prize: X=5127, Y=5758
+
+Button A: X+49, Y+84
+Button B: X+38, Y+11
+Prize: X=3463, Y=3446
+
+Button A: X+32, Y+75
+Button B: X+54, Y+11
+Prize: X=10780, Y=933
+
+Button A: X+18, Y+84
+Button B: X+75, Y+31
+Prize: X=2577, Y=2137
+
+Button A: X+16, Y+53
+Button B: X+66, Y+24
+Prize: X=12502, Y=7650
+
+Button A: X+46, Y+75
+Button B: X+46, Y+20
+Prize: X=7598, Y=5780
+
+Button A: X+97, Y+57
+Button B: X+40, Y+75
+Prize: X=6896, Y=6936
+
+Button A: X+87, Y+49
+Button B: X+17, Y+61
+Prize: X=2245, Y=5687
+
+Button A: X+89, Y+43
+Button B: X+38, Y+88
+Prize: X=8665, Y=7181
+
+Button A: X+39, Y+94
+Button B: X+34, Y+26
+Prize: X=2237, Y=5112
+
+Button A: X+57, Y+12
+Button B: X+40, Y+71
+Prize: X=5110, Y=6395
+
+Button A: X+92, Y+13
+Button B: X+29, Y+88
+Prize: X=6278, Y=4411
+
+Button A: X+94, Y+81
+Button B: X+13, Y+64
+Prize: X=3211, Y=5882
+
+Button A: X+49, Y+34
+Button B: X+14, Y+65
+Prize: X=1939, Y=3778
+
+Button A: X+32, Y+73
+Button B: X+50, Y+12
+Prize: X=12774, Y=12247
+
+Button A: X+34, Y+97
+Button B: X+78, Y+59
+Prize: X=1364, Y=1602
+
+Button A: X+13, Y+44
+Button B: X+70, Y+41
+Prize: X=13681, Y=7491
+
+Button A: X+72, Y+44
+Button B: X+13, Y+56
+Prize: X=1078, Y=1716
+
+Button A: X+56, Y+30
+Button B: X+27, Y+58
+Prize: X=3425, Y=5100
+
+Button A: X+99, Y+18
+Button B: X+40, Y+83
+Prize: X=9389, Y=6175
+
+Button A: X+44, Y+14
+Button B: X+17, Y+66
+Prize: X=7836, Y=16974
+
+Button A: X+16, Y+58
+Button B: X+79, Y+29
+Prize: X=1201, Y=18041
+
+Button A: X+60, Y+19
+Button B: X+52, Y+73
+Prize: X=5560, Y=5718
+
+Button A: X+13, Y+51
+Button B: X+69, Y+26
+Prize: X=7423, Y=7244
+
+Button A: X+40, Y+14
+Button B: X+42, Y+60
+Prize: X=6320, Y=5836
+
+Button A: X+73, Y+29
+Button B: X+20, Y+54
+Prize: X=12274, Y=12544
+
+Button A: X+12, Y+64
+Button B: X+89, Y+95
+Prize: X=8072, Y=9640
+
+Button A: X+26, Y+49
+Button B: X+70, Y+26
+Prize: X=2276, Y=3442
+
+Button A: X+68, Y+47
+Button B: X+29, Y+69
+Prize: X=7480, Y=8499
+
+Button A: X+13, Y+28
+Button B: X+86, Y+21
+Prize: X=1826, Y=1141
+
+Button A: X+97, Y+85
+Button B: X+25, Y+88
+Prize: X=5021, Y=6647
+
+Button A: X+24, Y+50
+Button B: X+85, Y+17
+Prize: X=1952, Y=2786
+
+Button A: X+21, Y+71
+Button B: X+59, Y+21
+Prize: X=18503, Y=12693
+
+Button A: X+94, Y+58
+Button B: X+42, Y+85
+Prize: X=12332, Y=12395
+
+Button A: X+93, Y+49
+Button B: X+13, Y+40
+Prize: X=9332, Y=7370
+
+Button A: X+58, Y+44
+Button B: X+32, Y+84
+Prize: X=6696, Y=10216
+
+Button A: X+18, Y+77
+Button B: X+56, Y+51
+Prize: X=2952, Y=5840
+
+Button A: X+13, Y+76
+Button B: X+46, Y+11
+Prize: X=14558, Y=6711
+
+Button A: X+46, Y+20
+Button B: X+45, Y+70
+Prize: X=6149, Y=5750
+
+Button A: X+92, Y+39
+Button B: X+54, Y+97
+Prize: X=10056, Y=10488
+
+Button A: X+25, Y+48
+Button B: X+80, Y+50
+Prize: X=2260, Y=1542
+
+Button A: X+12, Y+52
+Button B: X+39, Y+20
+Prize: X=2225, Y=10452
+
+Button A: X+25, Y+62
+Button B: X+42, Y+15
+Prize: X=2596, Y=12552
+
+Button A: X+11, Y+39
+Button B: X+67, Y+17
+Prize: X=2192, Y=12338
+
+Button A: X+90, Y+59
+Button B: X+19, Y+57
+Prize: X=5277, Y=7602
+
+Button A: X+50, Y+34
+Button B: X+33, Y+80
+Prize: X=1245, Y=1710
+
+Button A: X+11, Y+63
+Button B: X+83, Y+12
+Prize: X=4173, Y=15554
+
+Button A: X+52, Y+97
+Button B: X+91, Y+13
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+Prize: X=2653, Y=1903
+
+Button A: X+90, Y+12
+Button B: X+47, Y+90
+Prize: X=681, Y=342
+
+Button A: X+13, Y+29
+Button B: X+18, Y+13
+Prize: X=2527, Y=8550
+
+Button A: X+71, Y+34
+Button B: X+25, Y+59
+Prize: X=10411, Y=6369
+
+Button A: X+78, Y+26
+Button B: X+61, Y+98
+Prize: X=7284, Y=3360
+
+Button A: X+49, Y+78
+Button B: X+47, Y+11
+Prize: X=8090, Y=8347
+
+Button A: X+65, Y+29
+Button B: X+23, Y+59
+Prize: X=3886, Y=2806
+
+Button A: X+13, Y+58
+Button B: X+82, Y+33
+Prize: X=17126, Y=1844
+
+Button A: X+15, Y+46
+Button B: X+52, Y+29
+Prize: X=14512, Y=8557
+
+Button A: X+51, Y+19
+Button B: X+17, Y+57
+Prize: X=4573, Y=2565
+
+Button A: X+16, Y+84
+Button B: X+43, Y+29
+Prize: X=2326, Y=2374
+
+Button A: X+21, Y+80
+Button B: X+52, Y+12
+Prize: X=2872, Y=11268
+
+Button A: X+16, Y+56
+Button B: X+42, Y+20
+Prize: X=1218, Y=17444
+
+Button A: X+43, Y+14
+Button B: X+25, Y+38
+Prize: X=2364, Y=11092
+
+Button A: X+34, Y+16
+Button B: X+42, Y+65
+Prize: X=19300, Y=16358
+
+Button A: X+12, Y+47
+Button B: X+68, Y+29
+Prize: X=17592, Y=3390
+
+Button A: X+38, Y+11
+Button B: X+55, Y+70
+Prize: X=4021, Y=1867
+
+Button A: X+33, Y+13
+Button B: X+14, Y+52
+Prize: X=8642, Y=16058
+
+Button A: X+74, Y+27
+Button B: X+12, Y+54
+Prize: X=5318, Y=5265
+
+Button A: X+28, Y+44
+Button B: X+38, Y+11
+Prize: X=11126, Y=12365
+
+Button A: X+34, Y+56
+Button B: X+44, Y+20
+Prize: X=14102, Y=5556
+
+Button A: X+75, Y+85
+Button B: X+53, Y+16
+Prize: X=6607, Y=5549
+
+Button A: X+81, Y+20
+Button B: X+35, Y+57
+Prize: X=2908, Y=3281
+
+Button A: X+13, Y+30
+Button B: X+41, Y+19
+Prize: X=10899, Y=10340
+
+Button A: X+11, Y+25
+Button B: X+64, Y+22
+Prize: X=18766, Y=8966
+
+Button A: X+57, Y+15
+Button B: X+17, Y+42
+Prize: X=14691, Y=8777
+
+Button A: X+19, Y+29
+Button B: X+72, Y+16
+Prize: X=7014, Y=3194
+
+Button A: X+22, Y+57
+Button B: X+44, Y+21
+Prize: X=15632, Y=19217
+
+Button A: X+48, Y+94
+Button B: X+86, Y+37
+Prize: X=11514, Y=11115
+
+Button A: X+11, Y+53
+Button B: X+57, Y+22
+Prize: X=8712, Y=5709
+
+Button A: X+92, Y+23
+Button B: X+12, Y+81
+Prize: X=7868, Y=7661
+
+Button A: X+52, Y+79
+Button B: X+63, Y+22
+Prize: X=5604, Y=2322
+
+Button A: X+20, Y+51
+Button B: X+95, Y+41
+Prize: X=9500, Y=8125
+
+Button A: X+24, Y+85
+Button B: X+68, Y+46
+Prize: X=7808, Y=9339
+
+Button A: X+16, Y+58
+Button B: X+83, Y+72
+Prize: X=2007, Y=4300
+
+Button A: X+86, Y+16
+Button B: X+31, Y+75
+Prize: X=7780, Y=5186
+
+Button A: X+21, Y+59
+Button B: X+89, Y+41
+Prize: X=2578, Y=3062
+
+Button A: X+62, Y+13
+Button B: X+34, Y+86
+Prize: X=5006, Y=6334
+
+Button A: X+75, Y+86
+Button B: X+80, Y+11
+Prize: X=6665, Y=1749
+
+Button A: X+20, Y+55
+Button B: X+59, Y+47
+Prize: X=2643, Y=3004
diff --git a/2024/go/day14/day14.go b/2024/go/day14/day14.go
new file mode 100644
index 0000000..2ed2ef6
--- /dev/null
+++ b/2024/go/day14/day14.go
@@ -0,0 +1,149 @@
+package day14
+
+import (
+	"adventofcode2024/utils"
+	grid "adventofcode2024/utils/grid2d"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+type Robot struct {
+	velocity [2]int
+}
+
+const SIZE_X = 101
+const SIZE_Y = 103
+
+func Part1(input string) int {
+	grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
+	pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
+	re := regexp.MustCompile(pattern)
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		matches := re.FindStringSubmatch(line)
+		fmt.Println(matches)
+		x := utils.MustAtoi(matches[1])
+		y := utils.MustAtoi(matches[2])
+		x1 := utils.MustAtoi(matches[3])
+		y1 := utils.MustAtoi(matches[4])
+		robots := grid.Get(x, y)
+		grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
+	}
+	fmt.Println(grid.StringWithFormatter(formatter))
+	ng := ticks(grid, 100)
+	fmt.Println(ng.StringWithFormatter(formatter))
+	
+	return get_saftey(ng)
+}
+
+func Part2(input string) int {
+	min_safe := 240096000
+	min_i := 0
+	max_safe := 0
+	max_i := 0
+	grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
+	pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
+	re := regexp.MustCompile(pattern)
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		matches := re.FindStringSubmatch(line)
+		fmt.Println(matches)
+		x := utils.MustAtoi(matches[1])
+		y := utils.MustAtoi(matches[2])
+		x1 := utils.MustAtoi(matches[3])
+		y1 := utils.MustAtoi(matches[4])
+		robots := grid.Get(x, y)
+		grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
+	}
+	fmt.Println(grid.StringWithFormatter(formatter))
+	max_safe = get_saftey(grid)
+	for i:=0;i<7380;i++ {
+		ng := ticks(grid, 1)
+		safe := get_saftey(ng)
+		if safe > max_safe {
+			max_safe = safe
+			max_i = i
+		}
+		if safe < min_safe {
+			min_safe = safe
+			min_i = i
+		}
+		grid = ng
+	}
+	for i:=7380;i<7390;i++{
+		ng := ticks(grid, 1)
+		fmt.Println(ng.StringWithFormatter(formatter))
+		grid = ng
+	}
+	fmt.Println(grid.StringWithFormatter(formatter))
+	fmt.Printf("max_safe: %d max_i: %d min_safe: %d min_i:%d", max_safe, max_i, min_safe, min_i)
+	return get_saftey(grid)
+}
+
+func formatter(robots []Robot, x int, y int) string {
+	if len(robots) == 0 {
+		return " "
+	}
+	return "*"
+}
+
+func ticks(g *grid.Grid[[]Robot], seconds int) *grid.Grid[[]Robot] {
+	ng := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
+	for y := 0; y < g.SizeY(); y++ {
+		for x := 0; x < g.SizeX(); x++ {
+			for _, robot := range g.Get(x, y) {
+				nx := x + ((robot.velocity[0] * seconds) % SIZE_X)
+				if nx < 0 {
+					nx = g.SizeX() + nx
+				}
+				if nx >= g.SizeX() {
+					nx = nx - g.SizeX()
+				}
+				ny := y + ((robot.velocity[1] * seconds) % SIZE_Y)
+				if ny < 0 {
+					ny = g.SizeY() + ny
+				}
+				if ny >= g.SizeY() {
+					ny = ny - g.SizeY()
+				}
+				robots := ng.Get(nx, ny)
+				ng.Set(nx, ny, append(robots, robot))
+			}
+		}
+	}
+	return ng
+}
+
+func get_saftey(grid *grid.Grid[[]Robot]) int {
+	robots := 0
+	val := 1
+	for y := 0; y < grid.SizeY()/2; y++ {
+		for x := 0; x < grid.SizeX()/2; x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	robots = 0
+	for y := 0; y < grid.SizeY()/2; y++ {
+		for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	robots = 0
+	for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
+		for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	robots = 0
+	for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
+		for x := 0; x < grid.SizeX()/2; x++ {
+			robots += len(grid.Get(x, y))
+		}
+	}
+	val *= robots
+	return val
+}
\ No newline at end of file
diff --git a/2024/go/day14/day14_test.go b/2024/go/day14/day14_test.go
new file mode 100644
index 0000000..791e1d9
--- /dev/null
+++ b/2024/go/day14/day14_test.go
@@ -0,0 +1,527 @@
+package day14
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`p=0,4 v=3,-3
+p=6,3 v=-1,-3
+p=10,3 v=-1,2
+p=2,0 v=2,-1
+p=0,0 v=1,3
+p=3,0 v=-2,-2
+p=7,6 v=-1,-3
+p=3,0 v=-1,-2
+p=9,3 v=2,3
+p=7,3 v=-1,2
+p=2,4 v=2,-3
+p=9,5 v=-3,-3`)
+	require.Equal(t, 12, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`p=80,75 v=69,72
+p=88,10 v=-28,-23
+p=79,61 v=79,59
+p=37,102 v=92,-43
+p=12,22 v=-5,-95
+p=60,13 v=-30,-42
+p=3,59 v=-96,-88
+p=85,33 v=-43,-41
+p=44,14 v=63,45
+p=6,6 v=-34,-86
+p=47,102 v=12,42
+p=36,88 v=-88,-93
+p=78,27 v=-18,52
+p=96,64 v=-62,-34
+p=49,99 v=-78,-15
+p=57,31 v=-80,21
+p=25,57 v=8,-84
+p=69,20 v=81,61
+p=80,5 v=-11,-30
+p=2,35 v=-85,77
+p=9,12 v=-4,36
+p=37,68 v=12,-69
+p=47,88 v=-8,-90
+p=72,68 v=59,-86
+p=55,38 v=-68,-94
+p=60,58 v=41,37
+p=76,87 v=-1,-18
+p=89,9 v=38,92
+p=100,67 v=17,-53
+p=83,73 v=80,32
+p=77,19 v=-54,-20
+p=10,86 v=-65,36
+p=13,88 v=-64,-84
+p=50,29 v=-17,-29
+p=79,38 v=89,-57
+p=55,57 v=-68,22
+p=71,82 v=-80,52
+p=37,83 v=-68,-43
+p=25,5 v=81,-22
+p=83,54 v=-32,-75
+p=27,95 v=-77,-55
+p=70,97 v=-72,-4
+p=3,84 v=-60,-60
+p=16,29 v=-35,99
+p=39,39 v=37,-38
+p=76,94 v=90,60
+p=18,21 v=-86,-26
+p=22,84 v=-16,66
+p=45,83 v=-40,-43
+p=35,52 v=54,3
+p=30,21 v=14,36
+p=69,61 v=69,-66
+p=52,22 v=-28,33
+p=9,21 v=-85,-73
+p=87,32 v=79,52
+p=28,85 v=-35,85
+p=32,58 v=-49,89
+p=22,75 v=85,44
+p=45,19 v=-88,61
+p=97,59 v=98,-75
+p=70,81 v=82,7
+p=97,102 v=-23,-8
+p=92,68 v=89,72
+p=24,42 v=-63,-97
+p=21,64 v=-45,-47
+p=58,3 v=-69,51
+p=33,68 v=19,-20
+p=27,6 v=-89,-21
+p=28,81 v=-67,-8
+p=59,83 v=-66,-82
+p=3,14 v=-3,-1
+p=19,65 v=15,-25
+p=57,37 v=53,-29
+p=36,84 v=-4,-84
+p=55,96 v=82,-21
+p=68,101 v=51,51
+p=68,8 v=-90,-30
+p=78,51 v=-51,-63
+p=4,55 v=-63,97
+p=100,60 v=76,-13
+p=7,91 v=-96,-73
+p=97,17 v=-54,33
+p=85,60 v=69,-3
+p=20,39 v=96,-85
+p=24,12 v=86,-84
+p=34,7 v=-7,-36
+p=30,69 v=-67,97
+p=65,17 v=20,33
+p=39,101 v=-7,-83
+p=38,51 v=-90,-4
+p=99,61 v=-13,59
+p=30,1 v=-67,-96
+p=1,89 v=-85,-83
+p=8,1 v=68,4
+p=89,89 v=-52,85
+p=81,5 v=-55,71
+p=99,60 v=-94,-72
+p=68,70 v=-10,78
+p=81,18 v=89,-95
+p=47,61 v=-39,56
+p=91,71 v=85,59
+p=28,66 v=44,-28
+p=10,64 v=-59,-4
+p=84,10 v=-32,-11
+p=29,52 v=-37,34
+p=78,43 v=-92,12
+p=85,3 v=-71,4
+p=37,85 v=-46,-84
+p=56,21 v=21,-32
+p=17,17 v=15,17
+p=26,87 v=45,-93
+p=57,21 v=-6,40
+p=95,48 v=-33,59
+p=38,59 v=65,-72
+p=59,85 v=-50,-99
+p=17,21 v=86,-45
+p=53,3 v=-28,-46
+p=1,40 v=-54,-91
+p=61,13 v=-40,83
+p=33,35 v=-72,-96
+p=40,14 v=33,-8
+p=29,89 v=53,-59
+p=74,0 v=-22,-42
+p=12,32 v=-65,-4
+p=82,89 v=-12,20
+p=35,71 v=-40,20
+p=14,5 v=95,83
+p=46,44 v=39,92
+p=25,54 v=-66,-47
+p=91,78 v=64,53
+p=14,9 v=25,67
+p=39,29 v=-29,8
+p=20,100 v=95,51
+p=59,41 v=92,-82
+p=15,92 v=93,-73
+p=42,93 v=3,-86
+p=82,93 v=-21,-96
+p=50,9 v=12,-39
+p=81,22 v=-13,99
+p=72,81 v=-51,-93
+p=88,19 v=-72,-14
+p=8,93 v=-85,-15
+p=54,2 v=61,8
+p=44,81 v=66,41
+p=78,10 v=90,8
+p=19,53 v=68,4
+p=80,43 v=9,46
+p=11,38 v=-66,88
+p=31,3 v=4,-2
+p=49,28 v=-74,21
+p=27,15 v=54,-88
+p=96,87 v=-50,-67
+p=94,94 v=-5,-97
+p=16,89 v=73,23
+p=93,32 v=-53,93
+p=47,17 v=-29,92
+p=10,78 v=16,35
+p=55,33 v=-60,-17
+p=55,73 v=-68,-22
+p=100,62 v=17,-69
+p=67,91 v=-49,45
+p=68,53 v=-42,-41
+p=35,73 v=54,47
+p=20,63 v=-85,-12
+p=23,16 v=-87,33
+p=70,55 v=50,-16
+p=92,6 v=41,-59
+p=9,97 v=-37,47
+p=48,48 v=42,40
+p=96,37 v=-90,32
+p=66,13 v=-60,91
+p=62,46 v=-50,18
+p=11,15 v=98,77
+p=42,78 v=1,47
+p=10,40 v=15,-48
+p=88,44 v=7,-75
+p=27,53 v=-70,-9
+p=21,7 v=-56,96
+p=92,81 v=-22,69
+p=57,65 v=92,-34
+p=85,63 v=77,11
+p=92,2 v=-30,21
+p=59,16 v=73,-70
+p=16,11 v=86,-89
+p=82,16 v=80,-36
+p=41,30 v=-49,19
+p=13,6 v=14,73
+p=67,99 v=-91,51
+p=37,20 v=-65,-37
+p=85,16 v=99,-14
+p=1,39 v=-44,56
+p=37,29 v=74,5
+p=44,51 v=-18,93
+p=43,9 v=-55,-84
+p=5,10 v=-65,26
+p=51,90 v=-59,-96
+p=55,98 v=-9,23
+p=0,94 v=88,-49
+p=91,43 v=-14,-72
+p=93,43 v=-69,-94
+p=84,100 v=-12,54
+p=23,46 v=85,78
+p=79,37 v=39,-10
+p=1,23 v=99,-79
+p=73,50 v=-51,84
+p=78,58 v=-31,-16
+p=75,44 v=69,71
+p=27,5 v=-87,14
+p=95,91 v=-33,63
+p=22,94 v=-5,-37
+p=36,11 v=-5,-60
+p=18,3 v=-64,-27
+p=44,14 v=24,-92
+p=96,40 v=65,-92
+p=47,1 v=84,25
+p=93,22 v=68,-48
+p=14,32 v=-24,37
+p=99,17 v=78,-89
+p=53,36 v=10,58
+p=44,44 v=-78,-60
+p=15,28 v=-96,-20
+p=96,61 v=-81,-45
+p=58,87 v=-9,7
+p=20,43 v=84,-22
+p=50,42 v=-18,68
+p=74,23 v=-12,42
+p=12,57 v=-94,-94
+p=49,49 v=-89,40
+p=47,98 v=-67,-8
+p=84,17 v=-62,11
+p=31,6 v=-57,-42
+p=28,67 v=66,-81
+p=0,3 v=-88,-13
+p=51,76 v=82,76
+p=67,81 v=87,-14
+p=84,78 v=39,41
+p=39,74 v=72,35
+p=30,10 v=64,-77
+p=10,31 v=11,-4
+p=6,90 v=-4,76
+p=90,24 v=-2,-23
+p=8,39 v=-57,-27
+p=31,69 v=93,-25
+p=79,38 v=39,-35
+p=69,31 v=70,30
+p=1,16 v=7,73
+p=46,9 v=-99,-70
+p=53,16 v=-94,-84
+p=32,60 v=33,-69
+p=62,22 v=-99,-4
+p=66,3 v=98,20
+p=4,76 v=46,-75
+p=50,71 v=-90,22
+p=57,12 v=31,-15
+p=59,84 v=-50,-65
+p=33,0 v=76,-48
+p=58,76 v=-30,44
+p=6,69 v=6,35
+p=74,91 v=-61,-43
+p=36,92 v=-58,60
+p=2,78 v=-48,-98
+p=43,91 v=53,76
+p=34,101 v=-77,79
+p=40,44 v=-68,28
+p=71,64 v=47,-48
+p=54,7 v=84,15
+p=54,75 v=-60,-31
+p=14,40 v=86,12
+p=80,29 v=-92,-26
+p=8,47 v=-33,-69
+p=2,41 v=12,-9
+p=39,60 v=-38,59
+p=13,22 v=86,-20
+p=25,12 v=-57,11
+p=60,47 v=96,96
+p=50,51 v=-48,-82
+p=85,40 v=89,74
+p=99,4 v=-94,-21
+p=75,7 v=29,-73
+p=28,58 v=-80,24
+p=46,94 v=-9,56
+p=24,65 v=-76,62
+p=50,2 v=-20,70
+p=85,55 v=-5,66
+p=38,11 v=43,36
+p=53,54 v=53,24
+p=18,45 v=65,96
+p=94,22 v=16,80
+p=79,28 v=75,-69
+p=30,38 v=-15,-29
+p=5,23 v=-4,49
+p=8,98 v=96,-99
+p=7,60 v=-14,47
+p=96,17 v=88,-73
+p=48,23 v=-41,35
+p=17,31 v=-26,-23
+p=13,52 v=66,37
+p=58,19 v=41,55
+p=25,9 v=-77,-89
+p=3,92 v=55,-80
+p=74,95 v=20,-77
+p=26,70 v=43,72
+p=54,4 v=96,-18
+p=63,8 v=-97,49
+p=23,51 v=87,-75
+p=24,18 v=85,36
+p=8,52 v=6,-13
+p=97,50 v=17,-72
+p=47,66 v=-25,6
+p=38,78 v=3,-93
+p=62,6 v=5,77
+p=56,74 v=-70,-6
+p=94,99 v=9,34
+p=19,92 v=-18,26
+p=35,54 v=-47,-69
+p=92,8 v=-13,42
+p=47,86 v=12,-90
+p=12,83 v=-68,2
+p=0,18 v=-75,-89
+p=11,99 v=-99,14
+p=88,20 v=62,21
+p=27,53 v=53,-47
+p=17,44 v=-5,-91
+p=57,10 v=66,-65
+p=66,95 v=-71,-12
+p=38,21 v=23,95
+p=68,69 v=-31,35
+p=87,71 v=50,72
+p=98,12 v=47,33
+p=94,21 v=66,51
+p=53,97 v=-16,-93
+p=59,35 v=6,39
+p=12,88 v=-86,88
+p=85,16 v=39,8
+p=38,85 v=35,80
+p=44,9 v=-48,11
+p=71,18 v=-82,39
+p=85,14 v=-74,-73
+p=88,22 v=-42,36
+p=8,6 v=-58,38
+p=21,58 v=-66,9
+p=25,17 v=-68,95
+p=89,16 v=-34,-86
+p=33,54 v=64,-88
+p=57,8 v=54,51
+p=40,18 v=-98,58
+p=91,22 v=-34,-53
+p=75,81 v=-70,26
+p=89,70 v=-2,69
+p=62,6 v=-1,-92
+p=78,24 v=-82,-42
+p=47,7 v=-75,83
+p=86,8 v=-63,95
+p=80,64 v=-36,-79
+p=69,95 v=-30,29
+p=46,86 v=85,20
+p=76,35 v=-82,-51
+p=33,15 v=-17,55
+p=40,58 v=-2,-11
+p=76,31 v=39,2
+p=46,82 v=-15,-45
+p=14,53 v=36,-16
+p=98,66 v=68,-3
+p=83,38 v=35,-87
+p=41,9 v=53,70
+p=35,33 v=-68,-68
+p=53,66 v=62,97
+p=75,80 v=49,-62
+p=66,70 v=-50,47
+p=78,80 v=7,64
+p=82,16 v=85,-81
+p=58,25 v=11,-70
+p=36,72 v=33,72
+p=66,92 v=-91,10
+p=24,52 v=-98,22
+p=74,7 v=-36,-79
+p=46,26 v=-61,-90
+p=52,24 v=53,-88
+p=92,26 v=31,78
+p=60,52 v=80,-81
+p=82,78 v=-81,-49
+p=10,3 v=-15,-55
+p=91,31 v=99,77
+p=75,50 v=-91,40
+p=49,71 v=93,91
+p=1,94 v=-54,54
+p=96,50 v=39,18
+p=0,3 v=-53,33
+p=34,9 v=-17,-8
+p=96,28 v=68,-63
+p=25,4 v=66,21
+p=94,74 v=82,-89
+p=47,66 v=-17,87
+p=58,23 v=63,83
+p=13,82 v=-74,75
+p=29,85 v=40,79
+p=57,7 v=50,83
+p=7,88 v=-37,-16
+p=81,61 v=-10,34
+p=6,32 v=33,-60
+p=63,7 v=1,98
+p=59,29 v=-31,-85
+p=85,91 v=19,-18
+p=22,39 v=21,90
+p=25,13 v=75,89
+p=14,100 v=-27,30
+p=33,6 v=97,-53
+p=84,83 v=-22,38
+p=100,69 v=77,-38
+p=2,67 v=-14,-25
+p=71,71 v=-53,73
+p=9,43 v=-52,98
+p=55,76 v=-60,94
+p=49,91 v=-35,-95
+p=77,68 v=26,12
+p=41,91 v=-17,-15
+p=1,69 v=-44,72
+p=32,61 v=4,59
+p=94,12 v=-33,30
+p=1,35 v=96,49
+p=72,64 v=-61,-53
+p=76,93 v=38,-37
+p=97,9 v=33,61
+p=60,32 v=80,18
+p=16,68 v=15,-29
+p=99,72 v=66,44
+p=99,18 v=56,99
+p=42,11 v=-88,11
+p=57,69 v=-2,-2
+p=39,57 v=26,-51
+p=34,15 v=73,42
+p=56,55 v=-61,-75
+p=89,1 v=67,-27
+p=21,100 v=5,70
+p=85,11 v=-35,63
+p=16,35 v=47,-63
+p=98,0 v=93,-2
+p=51,89 v=-9,85
+p=50,32 v=84,-42
+p=29,63 v=78,-76
+p=92,86 v=89,10
+p=27,11 v=-77,51
+p=65,21 v=-59,68
+p=84,68 v=20,-50
+p=19,2 v=-24,-36
+p=25,78 v=25,-85
+p=90,92 v=59,-87
+p=70,100 v=10,-52
+p=48,78 v=3,54
+p=85,81 v=30,44
+p=53,65 v=41,-67
+p=13,95 v=82,-29
+p=5,19 v=95,75
+p=37,96 v=-68,26
+p=83,16 v=-5,-9
+p=31,17 v=4,-20
+p=83,34 v=-83,-76
+p=50,88 v=93,-5
+p=66,36 v=-30,58
+p=11,29 v=-44,83
+p=31,31 v=-77,-51
+p=26,85 v=14,-18
+p=8,76 v=65,69
+p=60,70 v=-40,47
+p=69,70 v=22,64
+p=85,53 v=18,12
+p=97,93 v=-58,-57
+p=52,83 v=92,-9
+p=20,92 v=30,50
+p=88,73 v=32,3
+p=83,16 v=-42,-14
+p=57,89 v=-29,20
+p=50,19 v=73,8
+p=8,101 v=-94,-68
+p=12,77 v=-4,-84
+p=63,28 v=-84,91
+p=46,25 v=13,-95
+p=93,21 v=88,-26
+p=10,54 v=-24,72
+p=69,16 v=-92,-30
+p=26,68 v=21,97
+p=56,30 v=-90,-51
+p=62,69 v=-1,-50
+p=7,6 v=55,-39
+p=63,78 v=76,92
+p=57,55 v=-51,-19
+p=70,62 v=18,37
+p=88,26 v=-61,82
+p=80,50 v=-73,99
+p=40,1 v=-78,86
+p=35,85 v=81,-12
+p=17,74 v=56,47
+p=36,99 v=64,-15
+p=56,18 v=-29,-14
+p=42,44 v=-18,46
+p=84,4 v=-63,-2
+p=97,75 v=27,-62
+p=47,71 v=54,-50
+p=26,101 v=-67,-83
+p=30,74 v=-57,66`)
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day14/input.txt b/2024/go/day14/input.txt
new file mode 100644
index 0000000..179e1e7
--- /dev/null
+++ b/2024/go/day14/input.txt
@@ -0,0 +1,500 @@
+p=80,75 v=69,72
+p=88,10 v=-28,-23
+p=79,61 v=79,59
+p=37,102 v=92,-43
+p=12,22 v=-5,-95
+p=60,13 v=-30,-42
+p=3,59 v=-96,-88
+p=85,33 v=-43,-41
+p=44,14 v=63,45
+p=6,6 v=-34,-86
+p=47,102 v=12,42
+p=36,88 v=-88,-93
+p=78,27 v=-18,52
+p=96,64 v=-62,-34
+p=49,99 v=-78,-15
+p=57,31 v=-80,21
+p=25,57 v=8,-84
+p=69,20 v=81,61
+p=80,5 v=-11,-30
+p=2,35 v=-85,77
+p=9,12 v=-4,36
+p=37,68 v=12,-69
+p=47,88 v=-8,-90
+p=72,68 v=59,-86
+p=55,38 v=-68,-94
+p=60,58 v=41,37
+p=76,87 v=-1,-18
+p=89,9 v=38,92
+p=100,67 v=17,-53
+p=83,73 v=80,32
+p=77,19 v=-54,-20
+p=10,86 v=-65,36
+p=13,88 v=-64,-84
+p=50,29 v=-17,-29
+p=79,38 v=89,-57
+p=55,57 v=-68,22
+p=71,82 v=-80,52
+p=37,83 v=-68,-43
+p=25,5 v=81,-22
+p=83,54 v=-32,-75
+p=27,95 v=-77,-55
+p=70,97 v=-72,-4
+p=3,84 v=-60,-60
+p=16,29 v=-35,99
+p=39,39 v=37,-38
+p=76,94 v=90,60
+p=18,21 v=-86,-26
+p=22,84 v=-16,66
+p=45,83 v=-40,-43
+p=35,52 v=54,3
+p=30,21 v=14,36
+p=69,61 v=69,-66
+p=52,22 v=-28,33
+p=9,21 v=-85,-73
+p=87,32 v=79,52
+p=28,85 v=-35,85
+p=32,58 v=-49,89
+p=22,75 v=85,44
+p=45,19 v=-88,61
+p=97,59 v=98,-75
+p=70,81 v=82,7
+p=97,102 v=-23,-8
+p=92,68 v=89,72
+p=24,42 v=-63,-97
+p=21,64 v=-45,-47
+p=58,3 v=-69,51
+p=33,68 v=19,-20
+p=27,6 v=-89,-21
+p=28,81 v=-67,-8
+p=59,83 v=-66,-82
+p=3,14 v=-3,-1
+p=19,65 v=15,-25
+p=57,37 v=53,-29
+p=36,84 v=-4,-84
+p=55,96 v=82,-21
+p=68,101 v=51,51
+p=68,8 v=-90,-30
+p=78,51 v=-51,-63
+p=4,55 v=-63,97
+p=100,60 v=76,-13
+p=7,91 v=-96,-73
+p=97,17 v=-54,33
+p=85,60 v=69,-3
+p=20,39 v=96,-85
+p=24,12 v=86,-84
+p=34,7 v=-7,-36
+p=30,69 v=-67,97
+p=65,17 v=20,33
+p=39,101 v=-7,-83
+p=38,51 v=-90,-4
+p=99,61 v=-13,59
+p=30,1 v=-67,-96
+p=1,89 v=-85,-83
+p=8,1 v=68,4
+p=89,89 v=-52,85
+p=81,5 v=-55,71
+p=99,60 v=-94,-72
+p=68,70 v=-10,78
+p=81,18 v=89,-95
+p=47,61 v=-39,56
+p=91,71 v=85,59
+p=28,66 v=44,-28
+p=10,64 v=-59,-4
+p=84,10 v=-32,-11
+p=29,52 v=-37,34
+p=78,43 v=-92,12
+p=85,3 v=-71,4
+p=37,85 v=-46,-84
+p=56,21 v=21,-32
+p=17,17 v=15,17
+p=26,87 v=45,-93
+p=57,21 v=-6,40
+p=95,48 v=-33,59
+p=38,59 v=65,-72
+p=59,85 v=-50,-99
+p=17,21 v=86,-45
+p=53,3 v=-28,-46
+p=1,40 v=-54,-91
+p=61,13 v=-40,83
+p=33,35 v=-72,-96
+p=40,14 v=33,-8
+p=29,89 v=53,-59
+p=74,0 v=-22,-42
+p=12,32 v=-65,-4
+p=82,89 v=-12,20
+p=35,71 v=-40,20
+p=14,5 v=95,83
+p=46,44 v=39,92
+p=25,54 v=-66,-47
+p=91,78 v=64,53
+p=14,9 v=25,67
+p=39,29 v=-29,8
+p=20,100 v=95,51
+p=59,41 v=92,-82
+p=15,92 v=93,-73
+p=42,93 v=3,-86
+p=82,93 v=-21,-96
+p=50,9 v=12,-39
+p=81,22 v=-13,99
+p=72,81 v=-51,-93
+p=88,19 v=-72,-14
+p=8,93 v=-85,-15
+p=54,2 v=61,8
+p=44,81 v=66,41
+p=78,10 v=90,8
+p=19,53 v=68,4
+p=80,43 v=9,46
+p=11,38 v=-66,88
+p=31,3 v=4,-2
+p=49,28 v=-74,21
+p=27,15 v=54,-88
+p=96,87 v=-50,-67
+p=94,94 v=-5,-97
+p=16,89 v=73,23
+p=93,32 v=-53,93
+p=47,17 v=-29,92
+p=10,78 v=16,35
+p=55,33 v=-60,-17
+p=55,73 v=-68,-22
+p=100,62 v=17,-69
+p=67,91 v=-49,45
+p=68,53 v=-42,-41
+p=35,73 v=54,47
+p=20,63 v=-85,-12
+p=23,16 v=-87,33
+p=70,55 v=50,-16
+p=92,6 v=41,-59
+p=9,97 v=-37,47
+p=48,48 v=42,40
+p=96,37 v=-90,32
+p=66,13 v=-60,91
+p=62,46 v=-50,18
+p=11,15 v=98,77
+p=42,78 v=1,47
+p=10,40 v=15,-48
+p=88,44 v=7,-75
+p=27,53 v=-70,-9
+p=21,7 v=-56,96
+p=92,81 v=-22,69
+p=57,65 v=92,-34
+p=85,63 v=77,11
+p=92,2 v=-30,21
+p=59,16 v=73,-70
+p=16,11 v=86,-89
+p=82,16 v=80,-36
+p=41,30 v=-49,19
+p=13,6 v=14,73
+p=67,99 v=-91,51
+p=37,20 v=-65,-37
+p=85,16 v=99,-14
+p=1,39 v=-44,56
+p=37,29 v=74,5
+p=44,51 v=-18,93
+p=43,9 v=-55,-84
+p=5,10 v=-65,26
+p=51,90 v=-59,-96
+p=55,98 v=-9,23
+p=0,94 v=88,-49
+p=91,43 v=-14,-72
+p=93,43 v=-69,-94
+p=84,100 v=-12,54
+p=23,46 v=85,78
+p=79,37 v=39,-10
+p=1,23 v=99,-79
+p=73,50 v=-51,84
+p=78,58 v=-31,-16
+p=75,44 v=69,71
+p=27,5 v=-87,14
+p=95,91 v=-33,63
+p=22,94 v=-5,-37
+p=36,11 v=-5,-60
+p=18,3 v=-64,-27
+p=44,14 v=24,-92
+p=96,40 v=65,-92
+p=47,1 v=84,25
+p=93,22 v=68,-48
+p=14,32 v=-24,37
+p=99,17 v=78,-89
+p=53,36 v=10,58
+p=44,44 v=-78,-60
+p=15,28 v=-96,-20
+p=96,61 v=-81,-45
+p=58,87 v=-9,7
+p=20,43 v=84,-22
+p=50,42 v=-18,68
+p=74,23 v=-12,42
+p=12,57 v=-94,-94
+p=49,49 v=-89,40
+p=47,98 v=-67,-8
+p=84,17 v=-62,11
+p=31,6 v=-57,-42
+p=28,67 v=66,-81
+p=0,3 v=-88,-13
+p=51,76 v=82,76
+p=67,81 v=87,-14
+p=84,78 v=39,41
+p=39,74 v=72,35
+p=30,10 v=64,-77
+p=10,31 v=11,-4
+p=6,90 v=-4,76
+p=90,24 v=-2,-23
+p=8,39 v=-57,-27
+p=31,69 v=93,-25
+p=79,38 v=39,-35
+p=69,31 v=70,30
+p=1,16 v=7,73
+p=46,9 v=-99,-70
+p=53,16 v=-94,-84
+p=32,60 v=33,-69
+p=62,22 v=-99,-4
+p=66,3 v=98,20
+p=4,76 v=46,-75
+p=50,71 v=-90,22
+p=57,12 v=31,-15
+p=59,84 v=-50,-65
+p=33,0 v=76,-48
+p=58,76 v=-30,44
+p=6,69 v=6,35
+p=74,91 v=-61,-43
+p=36,92 v=-58,60
+p=2,78 v=-48,-98
+p=43,91 v=53,76
+p=34,101 v=-77,79
+p=40,44 v=-68,28
+p=71,64 v=47,-48
+p=54,7 v=84,15
+p=54,75 v=-60,-31
+p=14,40 v=86,12
+p=80,29 v=-92,-26
+p=8,47 v=-33,-69
+p=2,41 v=12,-9
+p=39,60 v=-38,59
+p=13,22 v=86,-20
+p=25,12 v=-57,11
+p=60,47 v=96,96
+p=50,51 v=-48,-82
+p=85,40 v=89,74
+p=99,4 v=-94,-21
+p=75,7 v=29,-73
+p=28,58 v=-80,24
+p=46,94 v=-9,56
+p=24,65 v=-76,62
+p=50,2 v=-20,70
+p=85,55 v=-5,66
+p=38,11 v=43,36
+p=53,54 v=53,24
+p=18,45 v=65,96
+p=94,22 v=16,80
+p=79,28 v=75,-69
+p=30,38 v=-15,-29
+p=5,23 v=-4,49
+p=8,98 v=96,-99
+p=7,60 v=-14,47
+p=96,17 v=88,-73
+p=48,23 v=-41,35
+p=17,31 v=-26,-23
+p=13,52 v=66,37
+p=58,19 v=41,55
+p=25,9 v=-77,-89
+p=3,92 v=55,-80
+p=74,95 v=20,-77
+p=26,70 v=43,72
+p=54,4 v=96,-18
+p=63,8 v=-97,49
+p=23,51 v=87,-75
+p=24,18 v=85,36
+p=8,52 v=6,-13
+p=97,50 v=17,-72
+p=47,66 v=-25,6
+p=38,78 v=3,-93
+p=62,6 v=5,77
+p=56,74 v=-70,-6
+p=94,99 v=9,34
+p=19,92 v=-18,26
+p=35,54 v=-47,-69
+p=92,8 v=-13,42
+p=47,86 v=12,-90
+p=12,83 v=-68,2
+p=0,18 v=-75,-89
+p=11,99 v=-99,14
+p=88,20 v=62,21
+p=27,53 v=53,-47
+p=17,44 v=-5,-91
+p=57,10 v=66,-65
+p=66,95 v=-71,-12
+p=38,21 v=23,95
+p=68,69 v=-31,35
+p=87,71 v=50,72
+p=98,12 v=47,33
+p=94,21 v=66,51
+p=53,97 v=-16,-93
+p=59,35 v=6,39
+p=12,88 v=-86,88
+p=85,16 v=39,8
+p=38,85 v=35,80
+p=44,9 v=-48,11
+p=71,18 v=-82,39
+p=85,14 v=-74,-73
+p=88,22 v=-42,36
+p=8,6 v=-58,38
+p=21,58 v=-66,9
+p=25,17 v=-68,95
+p=89,16 v=-34,-86
+p=33,54 v=64,-88
+p=57,8 v=54,51
+p=40,18 v=-98,58
+p=91,22 v=-34,-53
+p=75,81 v=-70,26
+p=89,70 v=-2,69
+p=62,6 v=-1,-92
+p=78,24 v=-82,-42
+p=47,7 v=-75,83
+p=86,8 v=-63,95
+p=80,64 v=-36,-79
+p=69,95 v=-30,29
+p=46,86 v=85,20
+p=76,35 v=-82,-51
+p=33,15 v=-17,55
+p=40,58 v=-2,-11
+p=76,31 v=39,2
+p=46,82 v=-15,-45
+p=14,53 v=36,-16
+p=98,66 v=68,-3
+p=83,38 v=35,-87
+p=41,9 v=53,70
+p=35,33 v=-68,-68
+p=53,66 v=62,97
+p=75,80 v=49,-62
+p=66,70 v=-50,47
+p=78,80 v=7,64
+p=82,16 v=85,-81
+p=58,25 v=11,-70
+p=36,72 v=33,72
+p=66,92 v=-91,10
+p=24,52 v=-98,22
+p=74,7 v=-36,-79
+p=46,26 v=-61,-90
+p=52,24 v=53,-88
+p=92,26 v=31,78
+p=60,52 v=80,-81
+p=82,78 v=-81,-49
+p=10,3 v=-15,-55
+p=91,31 v=99,77
+p=75,50 v=-91,40
+p=49,71 v=93,91
+p=1,94 v=-54,54
+p=96,50 v=39,18
+p=0,3 v=-53,33
+p=34,9 v=-17,-8
+p=96,28 v=68,-63
+p=25,4 v=66,21
+p=94,74 v=82,-89
+p=47,66 v=-17,87
+p=58,23 v=63,83
+p=13,82 v=-74,75
+p=29,85 v=40,79
+p=57,7 v=50,83
+p=7,88 v=-37,-16
+p=81,61 v=-10,34
+p=6,32 v=33,-60
+p=63,7 v=1,98
+p=59,29 v=-31,-85
+p=85,91 v=19,-18
+p=22,39 v=21,90
+p=25,13 v=75,89
+p=14,100 v=-27,30
+p=33,6 v=97,-53
+p=84,83 v=-22,38
+p=100,69 v=77,-38
+p=2,67 v=-14,-25
+p=71,71 v=-53,73
+p=9,43 v=-52,98
+p=55,76 v=-60,94
+p=49,91 v=-35,-95
+p=77,68 v=26,12
+p=41,91 v=-17,-15
+p=1,69 v=-44,72
+p=32,61 v=4,59
+p=94,12 v=-33,30
+p=1,35 v=96,49
+p=72,64 v=-61,-53
+p=76,93 v=38,-37
+p=97,9 v=33,61
+p=60,32 v=80,18
+p=16,68 v=15,-29
+p=99,72 v=66,44
+p=99,18 v=56,99
+p=42,11 v=-88,11
+p=57,69 v=-2,-2
+p=39,57 v=26,-51
+p=34,15 v=73,42
+p=56,55 v=-61,-75
+p=89,1 v=67,-27
+p=21,100 v=5,70
+p=85,11 v=-35,63
+p=16,35 v=47,-63
+p=98,0 v=93,-2
+p=51,89 v=-9,85
+p=50,32 v=84,-42
+p=29,63 v=78,-76
+p=92,86 v=89,10
+p=27,11 v=-77,51
+p=65,21 v=-59,68
+p=84,68 v=20,-50
+p=19,2 v=-24,-36
+p=25,78 v=25,-85
+p=90,92 v=59,-87
+p=70,100 v=10,-52
+p=48,78 v=3,54
+p=85,81 v=30,44
+p=53,65 v=41,-67
+p=13,95 v=82,-29
+p=5,19 v=95,75
+p=37,96 v=-68,26
+p=83,16 v=-5,-9
+p=31,17 v=4,-20
+p=83,34 v=-83,-76
+p=50,88 v=93,-5
+p=66,36 v=-30,58
+p=11,29 v=-44,83
+p=31,31 v=-77,-51
+p=26,85 v=14,-18
+p=8,76 v=65,69
+p=60,70 v=-40,47
+p=69,70 v=22,64
+p=85,53 v=18,12
+p=97,93 v=-58,-57
+p=52,83 v=92,-9
+p=20,92 v=30,50
+p=88,73 v=32,3
+p=83,16 v=-42,-14
+p=57,89 v=-29,20
+p=50,19 v=73,8
+p=8,101 v=-94,-68
+p=12,77 v=-4,-84
+p=63,28 v=-84,91
+p=46,25 v=13,-95
+p=93,21 v=88,-26
+p=10,54 v=-24,72
+p=69,16 v=-92,-30
+p=26,68 v=21,97
+p=56,30 v=-90,-51
+p=62,69 v=-1,-50
+p=7,6 v=55,-39
+p=63,78 v=76,92
+p=57,55 v=-51,-19
+p=70,62 v=18,37
+p=88,26 v=-61,82
+p=80,50 v=-73,99
+p=40,1 v=-78,86
+p=35,85 v=81,-12
+p=17,74 v=56,47
+p=36,99 v=64,-15
+p=56,18 v=-29,-14
+p=42,44 v=-18,46
+p=84,4 v=-63,-2
+p=97,75 v=27,-62
+p=47,71 v=54,-50
+p=26,101 v=-67,-83
+p=30,74 v=-57,66
diff --git a/2024/go/day15/day15.go b/2024/go/day15/day15.go
new file mode 100644
index 0000000..349865b
--- /dev/null
+++ b/2024/go/day15/day15.go
@@ -0,0 +1,119 @@
+package day15
+
+import (
+	_ "adventofcode2024/utils"
+	_ "adventofcode2024/utils/grid2d"
+	_ "adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+	_ "regexp"
+	"strings"
+
+	_ "github.com/deckarep/golang-set/v2"
+)
+
+type Loc struct {
+	x int
+	y int
+}
+
+type Queue struct {
+	elements []Loc
+}
+
+// Push adds an element to the end of the queue
+func (q *Queue) Push(value Loc) {
+	q.elements = append(q.elements, value)
+}
+
+// Pop removes an element from the front of the queue
+func (q *Queue) Pop() (Loc, bool) {
+	if len(q.elements) == 0 {
+		return Loc{}, false // Return zero and false if the queue is empty
+	}
+	value := q.elements[0]
+	q.elements = q.elements[1:] // Remove the first element
+	return value, true
+}
+
+// IsEmpty checks if the queue is empty
+func (q *Queue) IsEmpty() bool {
+	return len(q.elements) == 0
+}
+
+func Part1(input string) int {
+	var val int
+	var rloc Loc
+	in := strings.Split(input, "\n\n")
+	dirs := map[rune][2]int{
+		'<': {-1, 0},
+		'>': {1, 0},
+		'^': {0, -1},
+		'v': {0, 1},
+	}
+	grid := inputs.ToGrid2D(in[0], "\n", "", ',', func(c string) rune { return rune(c[0]) })
+	directions := strings.ReplaceAll(in[1], "\n", "")
+	fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
+	fmt.Printf("%v\n", directions)
+	found := false
+	for x := 0; x < grid.SizeX(); x++ {
+		if found {
+			break
+		}
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y) == '@' {
+				rloc = Loc{x: x, y: y}
+				found = true
+				break
+			}
+		}
+	}
+	fmt.Printf("Robot: %v\n", rloc)
+	for _, dir := range directions {
+		q := &Queue{}
+		x := rloc.x
+		y := rloc.y
+	Loop:
+		for {
+			x += dirs[dir][0]
+			y += dirs[dir][1]
+			switch grid.Get(x, y) {
+			case 'O':
+				q.Push(Loc{x: x, y: y})
+			case '.':
+				for !q.IsEmpty() {
+					grid.Set(x, y, 'O')
+					loc, _ := q.Pop()
+					fmt.Printf("%d,%d\n", loc.x, loc.y)
+					//					grid.Set(loc.x, loc.y, 'O')
+					x -= dirs[dir][0]
+					y -= dirs[dir][1]
+				}
+				grid.Set(rloc.x, rloc.y, '.')
+				rloc.x = x
+				rloc.y = y
+				grid.Set(rloc.x, rloc.y, '@')
+				break Loop
+			case '#':
+				break Loop
+			}
+		}
+		//		fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
+	}
+	for x := 0; x < grid.SizeX(); x++ {
+		for y := 0; y < grid.SizeY(); y++ {
+			if grid.Get(x, y) == 'O' {
+				val += (100 * y) + x
+			}
+		}
+	}
+	return val
+}
+
+func Part2(input string) int {
+	return 0
+}
+
+func formatter(p rune, x int, y int) string {
+	return string(p)
+}
diff --git a/2024/go/day15/day15_test.go b/2024/go/day15/day15_test.go
new file mode 100644
index 0000000..3abc33f
--- /dev/null
+++ b/2024/go/day15/day15_test.go
@@ -0,0 +1,57 @@
+package day15
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`##########
+#..O..O.O#
+#......O.#
+#.OO..O.O#
+#..O@..O.#
+#O#..O...#
+#O..O..O.#
+#.OO.O.OO#
+#....O...#
+##########
+
+<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
+vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
+><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
+<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
+^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
+^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
+>^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
+<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
+^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
+v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
+	require.Equal(t, 10092, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`##########
+#..O..O.O#
+#......O.#
+#.OO..O.O#
+#..O@..O.#
+#O#..O...#
+#O..O..O.#
+#.OO.O.OO#
+#....O...#
+##########
+
+<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
+vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
+><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
+<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
+^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
+^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
+>^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
+<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
+^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
+v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day15/input.txt b/2024/go/day15/input.txt
new file mode 100644
index 0000000..923444c
--- /dev/null
+++ b/2024/go/day15/input.txt
@@ -0,0 +1,71 @@
+##################################################
+#...O.#..O....##O..OO.#O..#.#.......OO...#O.#OO..#
+#O#..OO...O..O.O.....O.O.O....OO#.....O#.O.OO..O.#
+#........O....#...O......O.OO...#..O.O.#O#....O..#
+#..O.OO..O..O.#..O.O.OO.O...O...O......#O.....O..#
+#..OO.....O.OO.O#.......O.........O.....O.O.O....#
+#.O.#.O.O#......OO........O.O.....OO..O.O.O.#.#O.#
+#........#.....#.##O....O.O..OOO.......OOO.#O....#
+#.O#.#...OO.....#.......O...O...#O.O.......OO..OO#
+#.O...O..#O...#O..O.........O.O..OO..O.......O.OO#
+#O.O......O.OO..O.O.......O.OO#O.##...#....#O.O.O#
+#.O...O.OO.O....O..O.O...O...#.O....OO..O.O#O#OO.#
+#.....O.O..#O.....O.O..##O.O#OO...O...O.O.O......#
+##..O...O..OO.O.O.O..OO........#.##.........O.O..#
+#..O...O.OO..OOO.O...#..#.........#.O....OO......#
+#O....OOO.OO...O##.O.OO..O.O.....O.O.OOO....O.O.O#
+#O.O..OO.O..OO............O....O....O..OO...OO..##
+#.O...O.O.O.....O..O.O...O.#.......OOO...........#
+#O.O...O.....#..O..#O...O.O.O....O#...#.###.....O#
+#.O...O.O..#O.#.OO.......O.OO.O...O...........O..#
+##O.#O....O.#............O..O..O.....O..O..OO....#
+##..#.OO.O.OO.#.O....O...#........#........O.O...#
+#..O.OO...O....#..OO.O...........OOOO#..OO#O.....#
+#OO.O#...#..#...O#........O.OOO...OO....#O.OO#OOO#
+#...OOO............#O.#.@...O.....O#.#.O...O..O..#
+#...O...OO.#..O......O..............#OOO......OOO#
+#..#OO...O.#O......O..OO.O#...O....OO..O...O.O#O.#
+#.#.##...#O........#.O.....#O#.O.OO..OOO..#..O...#
+#.#....#...O..O#O..OOO.....#....#......O...O...#.#
+#....O....O......O.O.O..........O.O..O.O......O..#
+#.#OO#O.OO............O##.##O.O#.O...O#.........O#
+##.O.#..........#......#OOOO.OO.#.O.O.O.....O..#.#
+#O.....#OO.....O..............#...O.O..O.....OO#.#
+#O.O.O..O#OO.O.O....O..O......O..O........OO.....#
+##O....O...............................#.O.....O##
+##..O...#...O.........O#...#O...O.OO......OO.O..O#
+#O..OO.....OOOO.#......O.#OO..O.O...O.O...O.O.O#.#
+#..O.....O.O........O.....O.....O#....OO##OOO..#O#
+#O..##....OOO..O#.O....O.#...O.....O.O.O......O.O#
+#..OO.#O.......O.OO.O#O.O.....O.....OO..OO.OOOO..#
+#.#.#OO.O..O.O........O#.#...#..O.O.O.#.O..OO.O.O#
+#..O#.OO.O.#.....O...O..OO#..O...O.O#...O.....#.O#
+#.OO.OO....O.O..O..#OO.....#......#.#OO..#.#O.O#.#
+#...O....#..#......O....O..O#O...O....OO.......O.#
+#.#.....O#.......O..O..#O.OOOO..........O.O......#
+#.O.O.....OO.O.O.O..#O.O.O..O.OO....O....##.....##
+#O..#.OOO##....O.O..OOOO.O...O..O#..........O....#
+##.O##...O.O.....O.O#...O.........#...........OOO#
+#O#O.....#..O.OOO...O..OO.....OOO............#O..#
+##################################################
+
+^^<^>^^<<^v>^><^^^<v<v^>^^<><^v>v<^vv>^v<^>>v>^vv<<vv>>>>>>v^>v>^>^v<^v^<v^<^v>>^^>v<<>>^v^<v<v>v<v<v^<>>^>v^>^^^<^<v<v<<<v<^vv>^v>>v<v^>><vvv>^>v<^^vvv<>vvv<^v<>v><><^^<>v^^<^><v^><>>^^>v^<v>>^<><<^><<>v>>vvv<^^v^v^><vv>>v^^><v^<<^v>^vv<^<^<^<><>>>^><vv>>^<v^<><><^v<^<^v<^^>^<><<^<<^vv^^v<vv^^>^<^<v^v^^<v^>^v<vvv^vv<^^<^^>v>>^v>^v><v^^^v>^<^<v<^>>^><>^v<>v>^^^<^vv^^<^v<vv>><^^^v<<>>>^<^^>^<v>v>><v^v<<<v>^<vv<^<v^>^<^<v^<>^><v<>^>><<^><vv>>vv<>v^<vvv^<v><v^vv>^<<><vvv>^<><>^^v<^v<<>vv><^>><^<<v<^>^>>^^>v<^>v^>^<vv><v><<^^^^v^<>^>^v^^v<v^<v>v<><<<v>vv^v><vv^>>>v>>>>><v<vvvv<<^v>^v>^<><<<><>v<vv<v><>^vv>v<>^v^<>>v<v>>>v^>^<vv^^<v<^<^>vv^vvv^^<<>vv>^>^v>>v^^vv<^v>^^vv<>^v>^>v^^<>^^><vvvvvv<^^>^^v<>^^^<^^<>^>^v><v><<>>^<>>v>>^><^>v<v><>v^v<v><>^<<>>v>^v<vv><>^v<^>^^v>v>>^<^^^<<vvv><<v><<>vvv^v><<v^vv><^^^v^^^>v><<^^v>vv^v><v>^>^v<>>vv<<^v<v><>v><^><>>^vv><>><<vv^v<^^>><<>>v>><><vv>v^^<^<v<<^vv^<^^<v^<vv<<v<>v<>^<^<^>v^^^>>v<^^<^^^>^^>^>^>^^<><vvv>v>v<vv<^v<^>vv^<vv>v^>^<^<>v>^^>v<^>v>v>><>
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+^>>v<><<<vvv^^^<vv><<<vvv>v<<<<^v<>v<<^vv<^vv<^^>>v^>^v^>^<>>>v<^<<^^>>vv^^<^^^>^><vv<v<v^^v<vv^<<^v<<^v<v<v><>>>vv<>vv<>^^>vv^vvvv<v>vv<vv^^>^<v<vvvv^>v>^^<<^<<<>v>^<^<v>v>vv<<v<^vv>>^^<v<v<v<>>^>><^<v<<>^^v<>^<^v>^><><<vv<^><<^><>^>^^vv^>^<<<^>^v>^v<<<>^^<^^<<^<v><^^<>^<<<^v^<>^>vv<vvv>v><<<^vv^<^><>><><>v^^>v<^<^vv<>><^>v>^v<><>>^v^^^^v^<<><^^v>><>^v^<v^><>>^<vv>v>v^^v<^v><>>v<v^v<v<v>><^^<<^v<>v<<^<v>^>><<<^>>v<v<<^^v<v>v>^<^>^<^v^<^v>>>>>><^vv<v<v^<^v^<<><^>v>>v<vv>^<vv<<v^v>>>vvv<v<vv<<<^v<v<>^vvvvvvv>^^>>>^v<>><>^<<<>^><^^v^v<>><^>^>v><<v>>>v^>^<^<^<v^vv>><<^<>vv^^v^<>v<<<^>>v<v>vv^>><<^<^^><^^>>>v>^^^>^v<v>v<v^<v^>^<<>^^^<^v>><>>>>v^<>>^^^<>v^^v^>><<>v>>^>^vvv<v>><>^v>vv^v>><vvvvv^>^><>^>v<<^>><^^v><^<v^^>>^^>^>vv><<<^vvvvv<^<^<<vv>^<^^<>v^^>^v<^^v<>v>^>^>vv^>v>^<vvv<<^<>^<^<^^v><^<^^v^<vv>v<>>^>v^v<^v>>><^v<^<<^v<^vv^^><>^v<><^><v^v>v<>vvv^^^>^^^^^v<^^^<v^<^>^v<<v<^^v<^v^<<^>><<>>>v^v<>v^^^>^vv>v>v>>><><v^<v><vv<>v>vvvv>v>>vvv><v<v^<^<v<^vvv>^<v<>v<>^^v^<^vv^^>^^>>vv<><^vv><v<
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+^<^^<^>v<^<^>^^>><<<>v<^^><>>^^<^^>^v^^><^v^^<^vv><>>v<^v^>>>^<>>^>^>^<<v>>^^^<^v<>vv^v^^<^>v>^>><<>>v<><^<<v<v><<>v>>^<><v<v<>>>>v>^v^<<<>^vv<<v><^>vv>vv>><v^v^^v<<<^<<<^vv><^><><<>v><vv<><^<<v<<vv^vv<^>>v>>>><><>^<v^^>vv<^v^vv><<^>v>v<<><>^>^v<^>v>v<>v<<>^vv<vv>>v><>><<<>>^^^<^^^^<<v^<<v><v<v<v>>^>>vv>^v<^>>vv>^^v>^vv^<v<^^v>^<v<v>^v><v>v>>><<<>>>v>vv<^>^v>v<vv^^v<^<v^^v<^v><v^>v^^^<><>v<^>><^vv>^<<^<>><<<<^<vv^<v<<v^>^>^^<v^<^vvvv<<v^><><>v><<^v<<<<<^v<v><v<<^<<v<>>v<^^v<<^<>^><<v^v^><<>>v<<^v>v>>>v<>>v><><^vv<vv><^^<<v^vv<^>v>v<v^<<<<v>v^<>^^>>>><<<>^^^^v>v>>>>^v><<^^<vv>>v^<<v^^<^v^v>v<>>^^v>^><^v>^>^^vvvvv<v>>^>v<v<^<>>v><vvv>v>v^^<v>^>^<><<^^^^<<v^<v>>^<^<vv<<^^^v>v>^>><v>>><v<>vv>>>v^>^><^^v>>^>>vv<^^<>><v>vv^^v<v<>^<>>>vvv<>^>vv^<<^<^<>vv>^>v>v<^<<><<vv^<<>^v^<^^^<^^^^vv^>^^>^^>><>^<^>v>v<^>>^^^^>^^><<v><v>>vv><^<vv^<v^v^vv>^>v>^^^^v><v>^v>^v<^v^>v>^<v<^v<v><v<<v^>>^^^>v>v^^v^<v>v>^v<^<v^^^v^>^^>^>vv^^vv>vv>v^v<^<^vv^><v^vv<<^>^^<v>v>^vvvv<>^^v<><vv>><<<vv>v<^>><><^><>>^<v^<><
+^><^v>v^><v^<>vvv^^v^v<v^>v<>>>v>>vv^^>v^><^^<>v^><<v<<v^<<v>>^v^<v^v^^^^^<^v<v^<^^<^>><v^^^>v>^^>><<<v>^><>v><^v><vv^>>>><<<><v>v^><<<>><<>^v^^^^<^^><><>^^vv^<^v<v>^>>^>^><>vv^>>>>v^<>vv^>>v^<>vv<v^^>>>><v><^><^>^vvvv><<^vvv^<>>v^v>><^^^><>>v^<v<v<v><v^^vv<v>>^<^^><<<>vvv^^^v>^v<>v^>v<<v^v>>v>v<>^v>vvvv<^>^^^v^^<v><>^<vv<><^^<vv<^<v<>v>>^^^><>v^>><^>vv>><^^^v>><^<<^><<>^>^<>v<v<^<<>v>vv^^^^<^>^v<>>^v>>>^v<>v<^v<<^v^v<<<v^vv^><^>><v^>v^v^v<<^^v>vv<v^^v<v^^<<<^v<^>^>v><>v>^vv>^v>><v^^>^<<^><>v>^>v>^<v><<^<>>^<v^^<<>^v<>^>v^<>^v><v<><v<vv>vvv<><<>>^<^^>^<<>^<>vv^^v^^<<>v<<><^<<v<><v<<>^^<>>><<^<v<v<>v<<^>v<v^^v<><<v>><v<^v>vv>^>>>>>vv<<><^^vv^>v^<>v<<vvvv><<>^>^<v^<>v>vv^^<^v>v<^<<v^>>>^vv>v^<>^v^<>^>><><>v>>v>^><^><^>v><<>>^^^<vv<<<v^v^<<><<^v>v>^vv^>><v>>^^<vv^v<^^vv><>v<^<^>>^v^>v<><^>>>vvv^^^^>vv>^>>>><^<>^>v^v<v<^v>>v<^<v^v<>>>>><^^vv><<>vv<>v<>>^>^^<>>vv>>><<>vvv<<>>vv>^<^^v>>v>^<<<><^v^v^>^v^><<>^v><>>^^>v>>>^<v<>^>>v<>>>^v>^v^<<<vv^>^<<<><>vv^>vvv>^^v>v<^v^v^><^v<>^v>^<>><<^v>vv^
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+>^^<^v>v<<^<v><>^^>^<>v<v^v>v>v^>^<^v^<v^<v>^>^>vv^<>><<>^v>^><vv^<<^>v^v<^^^>v<>v>><v><vv>><vv>vvv<>^^^vv<^v<^v^<^<>>v<>^<vv<>><vv<^<><<<vvvv>^<^><^<<v<v^vv>vv^>><vv^<><<<vv^<>>>^vv>v<v^v<v^<<>v^^>v^^vv<>><>^vv^<vv>>v>>^^<^^v<v<<>^>^^v<>^<vv^vvv^<<^^v^><<<<^v^^v><v<>>v^^v>^^<^<^>>v^v>^<<v<<>^v<>>^vvv<<v^^^v^v>^vv>^<<<>^^^<^^<v<<<>^vv^^^<>^^v>>><v>><<v^v>^>v<v<<^v<v^v>vv<^><>^<><>^^<v>>>^<<^>^^<>vv^vv<>v<<v>^>vvv><^<^v><v^>vv<^^^>v>>vv<>><^^<v>v^^vv>^<<^<<^>v^>v^<>^<>v^v<v^vv<><>v><^><v^<<>>^<v>^<><>>v^vv^<v<>^<^>v<>>>^>>><<><>>^<vvv^>v>^^>>v><<^^v<v><>^<<><>>>><vv^^^<<v^<<v>^>><><^>>>v^vvv^^^<><>^<^v<>>v^>>vvv>^<><v<v<^>^vv<>^v>><>><>v^v>^^>vv<^<<<v<^<^>^^^v<><^<^v>vv>^<>v<<^vv^^vvv>><>>v<<v^v<>>v^^vv^>^<<<vv>^^v<<v<<^>^>v<^^<<^vv><>>^v>^^vvvv>^<^<v^<^>v^<vv<^v<<<v>^v<v^<^>v><^^^v<>>v^v^^>v^^^^^<v<^v<>^^>^v<<><<<^vv<<^v<v<<v^v>v^<vv^><<^<<>>><<><v><<><><vv<<vvv^>vv>>^^>>>>^<v>^v^^v<vv<><<>>^<<vvv>>>>^^<>>>vv><<>>><v<v>^<^<>vv>>v^>v>^>>>^>^>>>>>>^>>><^^v><<><^vvv^>^v^>^>>^v>v^v<>^><^>v
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diff --git a/2024/go/day16/day16.go b/2024/go/day16/day16.go
new file mode 100644
index 0000000..cbf3814
--- /dev/null
+++ b/2024/go/day16/day16.go
@@ -0,0 +1,225 @@
+package day16
+
+import (
+	"adventofcode2024/utils/dijkstra"
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+	_ "strings"
+)
+
+type (
+	Vec  struct{ x, y int }
+	Dir  struct{ x, y int }
+	Cell rune
+	Move struct {
+		p Vec
+		d Dir
+	}
+	Maze struct {
+		height, width int
+		start         Vec
+		end           Vec
+		grid          *grid2d.Grid[Cell]
+	}
+)
+
+const (
+	WALL     Cell = '#'
+	CORRIDOR Cell = '.'
+	START    Cell = 'S'
+	END      Cell = 'E'
+	PATH     Cell = '*'
+)
+
+var (
+	NORTH      = Dir{0, -1}
+	EAST       = Dir{1, 0}
+	SOUTH      = Dir{0, 1}
+	WEST       = Dir{-1, 0}
+	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
+)
+
+func Part1(input string) int {
+	maze := Maze{}.Parse(input)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	data.From.Label = "EAST"
+	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
+	for _, p := range path {
+		maze.grid.Set(p.X, p.Y, PATH)
+	}
+	fmt.Println(maze)
+	return dist
+}
+func Part2(input string) int {
+	maze := Maze{}.Parse(input)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	data.From.Label = "START"
+	data.To.Label = "NORTH"
+	paths, _ := dijkstra.GetAllShortestPaths(data.From, data.To, graph)
+	bestPaths := make(map[Vec]struct{})
+	for _, path := range paths {
+		for _, node := range path {
+			bestPaths[Vec{x: node.X, y: node.Y}] = struct{}{}
+		}
+	}
+	return len(bestPaths)
+}
+
+func inputGraph(maze Maze) dijkstra.InputGraph {
+	data := dijkstra.InputGraph{}
+	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"}
+	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"}
+	for y := 0; y < maze.height; y++ {
+		for x := 0; x < maze.width; x++ {
+			if maze.grid.Get(x, y) == WALL {
+				continue
+			}
+			for _, dir := range DIRECTIONS {
+				nx, ny := x+dir.x, y+dir.y
+				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
+					continue
+				}
+				if maze.grid.Get(nx, ny) == WALL {
+					continue
+				}
+				for _, d := range getAllowedDirections(dir) {
+					ss := dirToString(dir)
+					ds := dirToString(d)
+					data.Graph = append(data.Graph, dijkstra.InputData{
+						Source:      dijkstra.Point{X: x, Y: y, Label: ss},
+						Destination: dijkstra.Point{X: nx, Y: ny, Label: ds},
+						Weight: func() int {
+							if dir == d {
+								return 1
+							} else {
+								return 1001
+							}
+						}(),
+					})
+				}
+			}
+		}
+	}
+
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(EAST)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(WEST)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(NORTH)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
+		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(SOUTH)},
+		Weight:      0,
+	})
+
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(EAST)},
+		Weight:      0,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(WEST)},
+		Weight:      2000,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(NORTH)},
+		Weight:      1000,
+	})
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(SOUTH)},
+		Weight:      1000,
+	})
+
+	data.Graph = append(data.Graph, dijkstra.InputData{
+		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "EAST"},
+		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "NORTH"},
+		Weight:      1000,
+	})
+
+	return data
+}
+
+func dirToString(dir Dir) string {
+	switch dir {
+	case NORTH:
+		return "NORTH"
+	case EAST:
+		return "EAST"
+	case SOUTH:
+		return "SOUTH"
+	case WEST:
+		return "WEST"
+	default:
+		return "UNKNOWN"
+	}
+}
+
+func getAllowedDirections(direction Dir) []Dir {
+	switch direction {
+	case NORTH:
+		return []Dir{NORTH, EAST, WEST}
+	case SOUTH:
+		return []Dir{SOUTH, EAST, WEST}
+	case WEST:
+		return []Dir{WEST, NORTH, SOUTH}
+	case EAST:
+		return []Dir{EAST, NORTH, SOUTH}
+	}
+	return []Dir{}
+}
+
+func (m Maze) Parse(input string) *Maze {
+	m.grid = inputs.ToGrid2D(input, "\n", "", '?', func(c string) Cell { return Cell(c[0]) })
+	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			c := m.grid.Get(x, y)
+			switch c {
+			case WALL, CORRIDOR:
+				m.grid.Set(x, y, c)
+			case START:
+				m.grid.Set(x, y, CORRIDOR)
+				m.start = Vec{x, y}
+			case END:
+				m.grid.Set(x, y, CORRIDOR)
+				m.end = Vec{x, y}
+			}
+		}
+	}
+	return &m
+}
+
+func (m *Maze) String() string {
+	s := ""
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			if y == m.start.y && x == m.start.x {
+				s += string(START)
+			} else if y == m.end.y && x == m.end.x {
+				s += string(END)
+			} else {
+				s += string(m.grid.Get(x, y))
+			}
+		}
+		s += "\n"
+	}
+	return s
+}
diff --git a/2024/go/day16/day16_test.go b/2024/go/day16/day16_test.go
new file mode 100644
index 0000000..426b7b5
--- /dev/null
+++ b/2024/go/day16/day16_test.go
@@ -0,0 +1,47 @@
+package day16
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`###############
+#.......#....E#
+#.#.###.#.###.#
+#.....#.#...#.#
+#.###.#####.#.#
+#.#.#.......#.#
+#.#.#####.###.#
+#...........#.#
+###.#.#####.#.#
+#...#.....#.#.#
+#.#.#.###.#.#.#
+#.....#...#.#.#
+#.###.#.#.#.#.#
+#S..#.....#...#
+###############`)
+	require.Equal(t, 7036, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`#################
+#...#...#...#..E#
+#.#.#.#.#.#.#.#.#
+#.#.#.#...#...#.#
+#.#.#.#.###.#.#.#
+#...#.#.#.....#.#
+#.#.#.#.#.#####.#
+#.#...#.#.#.....#
+#.#.#####.#.###.#
+#.#.#.......#...#
+#.#.###.#####.###
+#.#.#...#.....#.#
+#.#.#.#####.###.#
+#.#.#.........#.#
+#.#.#.#########.#
+#S#.............#
+#################`)
+	require.Equal(t, 64, r)
+}
diff --git a/2024/go/day16/input.txt b/2024/go/day16/input.txt
new file mode 100644
index 0000000..67000f9
--- /dev/null
+++ b/2024/go/day16/input.txt
@@ -0,0 +1,141 @@
+#############################################################################################################################################
+#.....#.....#...#.................#...#.......#.........#...#.......#...#.......#.......#...#...#.....#...#.......................#...#....E#
+#.###.#.#.#.###.#.###.###.#######.#.#.#.#.###.#.###.###.#.#.#.###.#.###.#.#.#####.###.#.###.#.#.#.#.#.#.#.#.#####.#.###.#.#######.#.#.#.###.#
+#...#.#.#.#...#.....#...#.#.....#...#...#.#...#.#...#...#.#.#...#.#...#.#.#...#...#...#.....#.#.#.#.#...#...#.....#.#.#.....#.....#.#.#...#.#
+#.#.###.#.###.#.#####.#.#.###.###########.#.#####.###.###.###.###.###.#.#.#.#.#.###.#######.#.#.#.#.#########.#####.#.#.#####.#####.#.###.#.#
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+#############################################################################################################################################
diff --git a/2024/go/day17/day17.go b/2024/go/day17/day17.go
new file mode 100644
index 0000000..312b2d7
--- /dev/null
+++ b/2024/go/day17/day17.go
@@ -0,0 +1,91 @@
+package day17
+
+import (
+	"encoding/json"
+	"fmt"
+	"regexp"
+	"strings"
+	"golang.org/x/exp/slices"
+
+
+	"adventofcode2024/utils"
+
+)
+
+type Opcode int
+
+const (
+	adv     Opcode = 0
+	bxl		Opcode = 1
+	bst   	Opcode = 2
+	jnx     Opcode = 3
+	bxc     Opcode = 4
+	out	 	Opcode = 5
+	bdv 	Opcode = 6
+	cdv 	Opcode = 7
+
+)
+
+func Part1(input string) string {	
+	m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
+	a := utils.MustAtoi(m[0])
+	b := utils.MustAtoi(m[1])
+	c := utils.MustAtoi(m[2])
+
+	var pgm []int
+	json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
+
+	fmt.Printf("%d %d %d %v\n", a, b, c, pgm)
+	out := fmt.Sprint(run(a, b, c, pgm))
+	out = fmt.Sprint(strings.Trim(strings.ReplaceAll(out, " ", ","), "[]"))
+	return out
+}
+
+func Part2(input string) int {
+	m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
+	b := utils.MustAtoi(m[1])
+	c := utils.MustAtoi(m[2])
+
+	var pgm []int
+	json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
+
+	fmt.Printf("%d %d %v\n", b, c, pgm)
+
+	a := 0
+	for n := len(pgm) - 1; n >= 0; n-- {
+		a <<= 3
+		for !slices.Equal(run(a, b, c, pgm), pgm[n:]) {
+			a++
+		}
+	}
+	return a
+}
+
+func run(a, b, c int, pgm []int) (output []int) {
+	for ip := 0; ip < len(pgm); ip += 2 {
+		operand := pgm[ip+1]
+		combo := []int{0, 1, 2, 3, a, b, c}[operand]
+
+		switch pgm[ip] {
+		case int(adv):
+			a >>= combo
+		case int(bxl):
+			b ^= operand
+		case int(bst):
+			b = combo % 8
+		case int(jnx):
+			if a != 0 {
+				ip = operand - 2
+			}
+		case int(bxc):
+			b ^= c
+		case int(out):
+			output = append(output, combo%8)
+		case int(bdv):
+			b = a >> combo
+		case int(cdv):
+			c = a >> combo
+		}
+	}
+	return output
+}
\ No newline at end of file
diff --git a/2024/go/day17/day17_test.go b/2024/go/day17/day17_test.go
new file mode 100644
index 0000000..ba2ffcc
--- /dev/null
+++ b/2024/go/day17/day17_test.go
@@ -0,0 +1,25 @@
+package day17
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`Register A: 729
+Register B: 0
+Register C: 0
+
+Program: 0,1,5,4,3,0`)
+	require.Equal(t, "4,6,3,5,6,3,5,2,1,0", r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`Register A: 2024
+Register B: 0
+Register C: 0
+
+Program: 0,3,5,4,3,0`)
+	require.Equal(t, 117440, r)
+}
diff --git a/2024/go/day17/input.txt b/2024/go/day17/input.txt
new file mode 100644
index 0000000..9d9d9cd
--- /dev/null
+++ b/2024/go/day17/input.txt
@@ -0,0 +1,5 @@
+Register A: 61156655
+Register B: 0
+Register C: 0
+
+Program: 2,4,1,5,7,5,4,3,1,6,0,3,5,5,3,0
diff --git a/2024/go/day18/day18.go b/2024/go/day18/day18.go
new file mode 100644
index 0000000..9faee97
--- /dev/null
+++ b/2024/go/day18/day18.go
@@ -0,0 +1,126 @@
+package day18
+
+import (
+	"adventofcode2024/utils"
+	"adventofcode2024/utils/dijkstra"
+	"adventofcode2024/utils/grid2d"
+	"fmt"
+	"strings"
+)
+
+type (
+	Vec  struct{ x, y int }
+	Dir  struct{ x, y int }
+	Cell rune
+	Move struct {
+		p Vec
+		d Dir
+	}
+	Maze struct {
+		height, width int
+		start         Vec
+		end           Vec
+		grid          *grid2d.Grid[Cell]
+	}
+)
+
+const (
+	WALL     Cell = '#'
+	CORRIDOR Cell = '.'
+	START    Cell = 'S'
+	END      Cell = 'E'
+	PATH     Cell = '*'
+)
+
+var (
+	NORTH      = Dir{0, -1}
+	EAST       = Dir{1, 0}
+	SOUTH      = Dir{0, 1}
+	WEST       = Dir{-1, 0}
+	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
+)
+
+func Part1(input string) int {
+	maze := Maze{}.Parse(input, 1024)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
+	for _, p := range path {
+		maze.grid.Set(p.X, p.Y, PATH)
+	}
+	fmt.Println(maze)
+	return dist
+}
+func Part2(input string) int {
+	maze := Maze{}.Parse(input, 2877)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	_, count := dijkstra.GetShortestPath(data.From, data.To, graph)
+	return count
+}
+
+func inputGraph(maze Maze) dijkstra.InputGraph {
+	data := dijkstra.InputGraph{}
+	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y}
+	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y}
+	for y := 0; y < maze.height; y++ {
+		for x := 0; x < maze.width; x++ {
+			if maze.grid.Get(x, y) == WALL {
+				continue
+			}
+			for _, dir := range DIRECTIONS {
+				nx, ny := x+dir.x, y+dir.y
+				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
+					continue
+				}
+				if maze.grid.Get(nx, ny) == WALL {
+					continue
+				}
+				data.Graph = append(data.Graph, dijkstra.InputData{
+					Source:      dijkstra.Point{X: x, Y: y},
+					Destination: dijkstra.Point{X: nx, Y: ny},
+					Weight:      1,
+				})
+			}
+		}
+	}
+
+	return data
+}
+
+func (m Maze) Parse(input string, bytes int) *Maze {
+	m.grid = grid2d.NewGrid(71, 71, CORRIDOR)
+	for _, line := range strings.Split(input, "\n") {
+		if bytes == 0 {
+			break
+		}
+		in := strings.Split(line, ",")
+		x := utils.MustAtoi(in[0])
+		y := utils.MustAtoi(in[1])
+		m.grid.Set(x, y, WALL)
+		bytes--
+	}
+	m.start = Vec{0, 0}
+	m.end = Vec{70, 70}
+	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
+	return &m
+}
+
+func (m *Maze) String() string {
+	s := ""
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			if y == m.start.y && x == m.start.x {
+				s += string(START)
+			} else if y == m.end.y && x == m.end.x {
+				s += string(END)
+			} else {
+				s += string(m.grid.Get(x, y))
+			}
+		}
+		s += "\n"
+	}
+	return s
+}
diff --git a/2024/go/day18/day18_test.go b/2024/go/day18/day18_test.go
new file mode 100644
index 0000000..aec55d5
--- /dev/null
+++ b/2024/go/day18/day18_test.go
@@ -0,0 +1,6915 @@
+package day18
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`2,5
+20,1
+63,59
+21,29
+37,59
+33,63
+14,33
+70,15
+21,34
+62,5
+45,54
+45,60
+48,53
+33,58
+23,35
+22,3
+33,0
+63,62
+44,67
+52,55
+5,19
+42,55
+45,0
+57,3
+15,45
+41,62
+1,39
+63,19
+39,59
+39,3
+48,7
+61,65
+31,1
+54,51
+11,14
+53,62
+67,68
+65,16
+17,45
+21,24
+55,3
+30,15
+4,39
+69,19
+69,57
+41,57
+43,24
+19,11
+18,27
+3,48
+8,13
+41,66
+67,67
+61,62
+5,37
+18,19
+29,64
+13,14
+42,57
+33,67
+0,19
+67,53
+47,59
+19,3
+51,54
+53,69
+42,5
+7,26
+59,65
+50,69
+3,27
+26,9
+43,3
+17,7
+15,11
+12,31
+43,5
+50,65
+9,5
+29,3
+21,6
+65,15
+43,57
+15,37
+50,53
+67,51
+29,1
+47,7
+55,54
+52,51
+47,54
+17,26
+12,43
+65,51
+1,27
+15,22
+63,15
+7,37
+69,49
+57,59
+7,36
+60,7
+66,7
+18,35
+13,36
+21,19
+15,3
+46,9
+30,3
+53,7
+8,7
+66,3
+49,69
+35,65
+48,5
+33,6
+1,31
+26,5
+44,59
+68,13
+45,67
+9,16
+51,55
+57,5
+2,33
+57,64
+31,2
+1,19
+5,12
+19,37
+40,67
+10,19
+21,12
+3,31
+51,1
+4,29
+52,65
+47,5
+17,19
+70,47
+11,19
+57,10
+54,55
+39,53
+61,56
+49,55
+28,37
+21,30
+9,45
+43,69
+57,19
+29,10
+60,63
+19,32
+66,5
+53,45
+53,49
+47,57
+26,1
+17,34
+65,7
+7,28
+41,63
+6,1
+69,69
+0,13
+5,28
+10,1
+38,67
+37,13
+3,7
+39,12
+2,15
+54,65
+35,53
+63,20
+13,30
+52,47
+13,3
+69,55
+55,61
+37,4
+7,35
+57,4
+35,69
+5,3
+63,64
+40,69
+59,5
+32,61
+66,61
+43,64
+40,1
+49,3
+68,65
+3,38
+21,4
+49,56
+18,29
+23,12
+7,11
+16,29
+8,11
+10,25
+39,67
+59,60
+3,19
+26,31
+7,9
+51,58
+49,67
+53,65
+65,59
+67,9
+43,58
+55,51
+69,7
+6,39
+49,59
+10,37
+4,43
+54,5
+3,28
+69,16
+67,7
+4,37
+37,1
+27,2
+62,59
+45,70
+25,35
+65,53
+31,7
+53,59
+1,10
+67,10
+65,67
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+17,1
+67,59
+31,61
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+65,69
+51,59
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+65,65
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+52,0
+20,44
+34,8
+32,29
+65,30
+56,3
+26,52
+4,47
+22,1
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+62,65
+0,31
+44,42
+42,15
+42,10
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+10,62
+26,64
+48,64
+48,21
+43,56
+8,46
+4,7
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+30,14
+56,61
+68,34
+56,55
+13,40
+50,62
+8,2
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+14,24
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+56,6
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+53,40
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+50,4
+57,30
+7,50
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+64,65
+36,47
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+16,27
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+43,28
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+67,54
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+66,45
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+5,62
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+64,32
+52,37
+60,5
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+10,18
+63,52
+18,20
+34,39
+1,62
+51,34
+40,49
+28,38
+51,62
+8,54
+45,58
+5,10
+12,15
+68,8
+26,22
+35,34
+58,32
+32,34
+10,10
+6,7
+38,42
+62,57
+52,6
+40,22
+62,70
+58,6
+50,48
+41,46
+52,18
+60,2
+25,70
+5,0
+50,6
+39,2
+2,4
+62,45
+48,23
+57,34
+55,66
+18,14
+9,52
+24,22
+54,60
+49,52
+12,54
+54,14
+63,44
+56,64
+4,0
+20,50
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+1,18
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+16,35
+29,2
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+12,50
+42,68
+34,24
+56,57
+66,32
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+40,11
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+25,46
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+32,16
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+49,64
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+47,44
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+7,6
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+52,10
+32,10
+1,0
+40,28
+7,52
+18,54
+5,42
+58,10
+54,40
+41,4
+10,22
+24,56
+44,36
+39,14
+12,2
+65,48
+20,16
+10,4
+56,66
+40,68
+16,19
+45,42
+20,43
+50,18
+40,15
+0,6
+18,62
+14,2
+51,44
+35,48
+54,68
+7,4
+30,25
+27,36
+48,9
+42,46
+57,54
+68,55
+34,59
+58,16
+70,65
+70,14
+24,12
+46,12
+30,39
+55,2
+38,8
+62,22
+3,70
+60,40
+7,44
+9,44
+16,58
+64,2
+22,46
+40,45
+23,0
+62,30
+46,18
+23,6
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+31,66
+66,30
+52,9
+29,20
+36,21
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+24,41
+8,38
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+68,4
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+35,42
+46,16
+6,8
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+8,61
+14,26
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+46,7
+7,68
+32,40
+61,24
+32,1
+40,12
+58,2
+62,58
+0,2
+42,60
+13,68
+48,59
+6,18
+36,28
+61,0
+63,28
+58,8
+44,33
+59,6
+64,6
+12,62
+30,32
+39,56
+70,32
+67,44
+56,11
+38,6
+2,36
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+55,26
+58,66
+55,8
+48,17
+56,2
+64,0
+60,41
+64,24
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+30,13
+16,20
+30,44
+1,26
+47,34
+24,54
+56,8
+16,0
+2,32
+62,38
+70,56
+18,50
+9,28
+63,38
+30,18
+10,70
+44,25
+57,40
+28,26
+54,0
+36,12
+32,24
+44,62
+52,23
+19,54
+45,30
+51,68
+8,8
+48,62
+40,60
+48,6
+48,69
+22,36
+61,10
+62,28
+51,66
+14,18
+53,56
+29,52
+63,4
+46,50
+26,69
+52,56
+21,54`)
+	require.Equal(t, 304, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`2,5
+20,1
+63,59
+21,29
+37,59
+33,63
+14,33
+70,15
+21,34
+62,5
+45,54
+45,60
+48,53
+33,58
+23,35
+22,3
+33,0
+63,62
+44,67
+52,55
+5,19
+42,55
+45,0
+57,3
+15,45
+41,62
+1,39
+63,19
+39,59
+39,3
+48,7
+61,65
+31,1
+54,51
+11,14
+53,62
+67,68
+65,16
+17,45
+21,24
+55,3
+30,15
+4,39
+69,19
+69,57
+41,57
+43,24
+19,11
+18,27
+3,48
+8,13
+41,66
+67,67
+61,62
+5,37
+18,19
+29,64
+13,14
+42,57
+33,67
+0,19
+67,53
+47,59
+19,3
+51,54
+53,69
+42,5
+7,26
+59,65
+50,69
+3,27
+26,9
+43,3
+17,7
+15,11
+12,31
+43,5
+50,65
+9,5
+29,3
+21,6
+65,15
+43,57
+15,37
+50,53
+67,51
+29,1
+47,7
+55,54
+52,51
+47,54
+17,26
+12,43
+65,51
+1,27
+15,22
+63,15
+7,37
+69,49
+57,59
+7,36
+60,7
+66,7
+18,35
+13,36
+21,19
+15,3
+46,9
+30,3
+53,7
+8,7
+66,3
+49,69
+35,65
+48,5
+33,6
+1,31
+26,5
+44,59
+68,13
+45,67
+9,16
+51,55
+57,5
+2,33
+57,64
+31,2
+1,19
+5,12
+19,37
+40,67
+10,19
+21,12
+3,31
+51,1
+4,29
+52,65
+47,5
+17,19
+70,47
+11,19
+57,10
+54,55
+39,53
+61,56
+49,55
+28,37
+21,30
+9,45
+43,69
+57,19
+29,10
+60,63
+19,32
+66,5
+53,45
+53,49
+47,57
+26,1
+17,34
+65,7
+7,28
+41,63
+6,1
+69,69
+0,13
+5,28
+10,1
+38,67
+37,13
+3,7
+39,12
+2,15
+54,65
+35,53
+63,20
+13,30
+52,47
+13,3
+69,55
+55,61
+37,4
+7,35
+57,4
+35,69
+5,3
+63,64
+40,69
+59,5
+32,61
+66,61
+43,64
+40,1
+49,3
+68,65
+3,38
+21,4
+49,56
+18,29
+23,12
+7,11
+16,29
+8,11
+10,25
+39,67
+59,60
+3,19
+26,31
+7,9
+51,58
+49,67
+53,65
+65,59
+67,9
+43,58
+55,51
+69,7
+6,39
+49,59
+10,37
+4,43
+54,5
+3,28
+69,16
+67,7
+4,37
+37,1
+27,2
+62,59
+45,70
+25,35
+65,53
+31,7
+53,59
+1,10
+67,10
+65,67
+30,67
+17,1
+67,59
+31,61
+59,59
+65,69
+51,59
+61,66
+13,15
+29,65
+27,1
+65,65
+68,53
+53,11
+5,17
+20,35
+43,68
+3,30
+59,7
+3,39
+45,63
+7,31
+3,13
+51,5
+23,39
+20,3
+67,0
+37,3
+46,61
+65,70
+15,1
+17,11
+66,63
+32,23
+51,0
+3,1
+17,3
+13,6
+59,3
+19,31
+1,24
+41,3
+4,49
+40,57
+63,6
+16,17
+22,25
+39,60
+11,34
+56,7
+38,57
+55,53
+35,66
+1,11
+64,19
+50,3
+9,38
+19,8
+64,61
+3,17
+8,33
+13,1
+5,9
+50,7
+1,34
+41,65
+48,57
+14,13
+17,31
+56,1
+6,15
+24,25
+23,2
+69,13
+45,52
+15,23
+15,27
+27,28
+60,3
+31,30
+19,35
+42,53
+19,27
+61,1
+65,50
+53,2
+52,61
+15,20
+42,7
+67,20
+11,23
+29,54
+6,17
+41,53
+47,63
+68,51
+21,21
+19,6
+53,61
+23,29
+53,9
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+21,10
+2,41
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+49,9
+42,59
+12,1
+45,7
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+69,6
+43,4
+17,21
+47,3
+52,7
+65,22
+45,62
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+48,11
+7,33
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+37,63
+49,68
+11,26
+54,67
+64,23
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+23,13
+58,1
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+69,56
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+57,65
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+7,38
+53,55
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+47,55
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+9,31
+55,68
+57,57
+68,15
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+5,13
+9,14
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+6,35
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+69,9
+53,67
+67,17
+52,67
+41,59
+24,1
+51,7
+54,7
+3,22
+7,13
+41,61
+45,3
+21,33
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+11,13
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+48,1
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+1,33
+41,69
+22,19
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+45,57
+53,6
+15,36
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+9,21
+43,65
+5,41
+7,7
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+60,1
+7,23
+21,28
+23,34
+63,69
+7,40
+51,64
+66,51
+43,61
+49,63
+69,11
+50,51
+53,13
+17,24
+47,65
+32,67
+4,15
+38,1
+58,63
+23,21
+61,59
+15,21
+11,27
+33,65
+2,1
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+11,3
+55,67
+5,31
+43,53
+63,66
+3,29
+65,55
+36,69
+64,1
+3,23
+11,6
+52,57
+61,4
+63,17
+61,69
+3,33
+65,4
+21,16
+27,11
+1,3
+5,39
+69,54
+63,47
+1,36
+27,27
+33,61
+25,37
+61,14
+15,26
+55,1
+7,17
+29,11
+11,12
+2,19
+66,55
+45,59
+29,29
+26,39
+8,17
+45,65
+11,37
+2,39
+0,29
+5,27
+16,31
+67,65
+68,63
+26,25
+9,30
+3,36
+48,65
+59,51
+63,1
+7,41
+23,28
+1,15
+18,1
+4,41
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+21,27
+67,22
+52,69
+7,18
+68,49
+3,12
+18,17
+9,41
+19,13
+1,17
+3,26
+59,61
+57,66
+53,63
+39,69
+3,3
+67,69
+50,57
+9,19
+1,13
+55,58
+49,6
+7,3
+47,1
+12,37
+59,63
+61,67
+8,45
+41,1
+8,1
+39,63
+8,27
+15,19
+1,25
+61,57
+47,66
+46,5
+0,39
+4,3
+67,8
+9,43
+64,67
+49,47
+63,14
+51,57
+0,47
+8,3
+21,15
+63,57
+46,3
+5,21
+15,31
+57,12
+13,18
+21,23
+67,15
+21,7
+23,14
+67,55
+63,63
+21,13
+67,58
+51,49
+25,26
+2,31
+56,51
+32,69
+55,7
+31,62
+65,57
+55,65
+5,24
+7,20
+11,15
+19,14
+65,21
+5,1
+67,5
+67,63
+67,49
+68,57
+19,21
+37,65
+11,1
+47,61
+33,7
+28,3
+12,21
+47,68
+41,70
+65,1
+69,23
+5,25
+47,11
+49,61
+1,35
+59,57
+1,37
+33,1
+53,57
+59,1
+49,65
+27,15
+60,11
+61,63
+5,34
+69,15
+9,20
+66,65
+49,62
+35,3
+55,5
+4,19
+21,20
+47,67
+59,68
+24,27
+41,5
+67,3
+21,3
+47,9
+65,17
+9,47
+23,3
+41,67
+65,63
+15,29
+55,49
+3,6
+69,17
+22,17
+48,51
+33,64
+51,65
+9,27
+58,55
+25,21
+69,24
+9,22
+64,63
+19,1
+9,36
+17,27
+54,49
+38,69
+8,5
+46,67
+60,57
+68,11
+0,7
+19,17
+39,65
+27,3
+9,40
+64,57
+17,25
+3,25
+19,9
+47,8
+58,61
+23,22
+21,11
+41,7
+18,9
+11,45
+51,67
+52,3
+8,43
+9,25
+69,8
+67,11
+2,27
+63,51
+65,61
+53,5
+7,19
+18,3
+67,18
+45,9
+55,63
+15,15
+47,64
+54,3
+13,31
+19,5
+41,64
+15,16
+37,67
+53,52
+12,9
+15,4
+25,34
+43,59
+2,17
+23,33
+57,8
+16,15
+57,67
+29,0
+66,69
+19,7
+42,61
+66,15
+67,61
+51,63
+36,7
+1,16
+2,23
+66,59
+67,2
+61,64
+56,65
+56,5
+15,2
+19,33
+15,28
+49,53
+5,35
+12,3
+65,18
+69,53
+11,33
+37,2
+47,69
+57,69
+11,5
+34,7
+3,45
+63,5
+15,33
+35,1
+17,20
+23,11
+6,31
+17,35
+50,61
+51,4
+64,3
+62,55
+3,9
+49,60
+13,35
+68,69
+21,37
+44,63
+2,9
+15,7
+49,5
+67,13
+9,39
+9,33
+9,24
+2,11
+5,23
+46,55
+17,22
+9,23
+48,3
+45,13
+47,58
+60,59
+5,18
+14,3
+24,11
+56,69
+43,55
+57,63
+55,10
+17,33
+53,47
+36,3
+13,16
+5,32
+64,7
+32,3
+51,51
+10,17
+13,37
+40,59
+11,31
+13,19
+19,10
+49,1
+34,1
+10,27
+42,9
+61,2
+58,57
+13,33
+25,3
+43,2
+23,31
+24,37
+59,66
+12,29
+7,10
+31,65
+19,23
+39,64
+22,39
+18,5
+55,62
+23,18
+39,62
+53,50
+21,31
+40,55
+58,5
+23,40
+67,66
+69,59
+23,25
+39,61
+1,7
+21,1
+21,5
+57,61
+51,53
+53,51
+5,29
+69,47
+30,27
+5,14
+10,45
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+10,5
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+0,14
+4,60
+10,64
+20,22
+66,37
+28,51
+27,26
+38,21
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+19,20
+0,28
+16,54
+40,46
+34,5
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+8,34
+41,68
+61,8
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+36,8
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+30,70
+36,20
+70,33
+41,2
+70,19
+5,22
+38,10
+10,40
+28,42
+42,41
+46,42
+0,23
+70,46
+24,40
+16,39
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+22,5
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+9,60
+8,20
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+49,22
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+58,35
+69,44
+14,20
+48,22
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+51,2
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+6,30
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+5,60
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+4,4
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+36,56
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+39,34
+38,3
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+18,57
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+6,50
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+4,13
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+8,70
+44,8
+70,1
+28,62
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+55,12
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+8,36
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+49,4
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+20,59
+54,6
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+0,59
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+7,2
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+5,4
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+57,0
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+28,14
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+34,8
+32,29
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+56,3
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+1,70
+37,0
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+61,58
+53,40
+60,19
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+3,20
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+4,0
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+12,50
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+1,38
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+6,32
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+8,9
+58,65
+64,21
+70,4
+5,48
+22,49
+36,2
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+1,0
+40,28
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+5,42
+58,10
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+41,4
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+12,2
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+0,6
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+14,2
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+7,4
+30,25
+27,36
+48,9
+42,46
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+68,55
+34,59
+58,16
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+70,14
+24,12
+46,12
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+55,2
+38,8
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+3,70
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+7,44
+9,44
+16,58
+64,2
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+23,0
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+23,6
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+31,66
+66,30
+52,9
+29,20
+36,21
+69,10
+24,41
+8,38
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+68,4
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+28,70
+42,30
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+46,16
+6,8
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+8,61
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+62,0
+28,45
+46,7
+7,68
+32,40
+61,24
+32,1
+40,12
+58,2
+62,58
+0,2
+42,60
+13,68
+48,59
+6,18
+36,28
+61,0
+63,28
+58,8
+44,33
+59,6
+64,6
+12,62
+30,32
+39,56
+70,32
+67,44
+56,11
+38,6
+2,36
+60,50
+55,26
+58,66
+55,8
+48,17
+56,2
+64,0
+60,41
+64,24
+42,52
+30,13
+16,20
+30,44
+1,26
+47,34
+24,54
+56,8
+16,0
+2,32
+62,38
+70,56
+18,50
+9,28
+63,38
+30,18
+10,70
+44,25
+57,40
+28,26
+54,0
+36,12
+32,24
+44,62
+52,23
+19,54
+45,30
+51,68
+8,8
+48,62
+40,60
+48,6
+48,69
+22,36
+61,10
+62,28
+51,66
+14,18
+53,56
+29,52
+63,4
+46,50
+26,69
+52,56
+21,54`)
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day18/input.txt b/2024/go/day18/input.txt
new file mode 100644
index 0000000..3b8f63e
--- /dev/null
+++ b/2024/go/day18/input.txt
@@ -0,0 +1,3450 @@
+2,5
+20,1
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+21,29
+37,59
+33,63
+14,33
+70,15
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+29,1
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+1,27
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+7,36
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+18,35
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+8,7
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+48,5
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+1,31
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+9,16
+51,55
+57,5
+2,33
+57,64
+31,2
+1,19
+5,12
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+21,12
+3,31
+51,1
+4,29
+52,65
+47,5
+17,19
+70,47
+11,19
+57,10
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+50,54
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+31,18
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+16,6
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+62,27
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+22,27
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+17,62
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+56,60
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+64,46
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+14,4
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+6,38
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+14,43
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+57,30
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+37,40
+64,65
+36,47
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+16,27
+70,34
+20,14
+60,27
+32,31
+66,48
+43,28
+64,28
+67,54
+13,70
+50,38
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+52,26
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+20,48
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+1,12
+56,16
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+51,66
+14,18
+53,56
+29,52
+63,4
+46,50
+26,69
+52,56
+21,54
\ No newline at end of file
diff --git a/2024/go/day19/day19.go b/2024/go/day19/day19.go
new file mode 100644
index 0000000..e4e19bd
--- /dev/null
+++ b/2024/go/day19/day19.go
@@ -0,0 +1,87 @@
+package day19
+
+import (
+	"sort"
+	"strings"
+)
+
+func Part1(input string) int {
+	in := strings.Split(input, "\n\n")
+	towels := strings.Split(in[0], ", ")
+	patterns := strings.Split(in[1], "\n")
+	//	fmt.Println(towels, patterns)
+	count := 0
+	not_possibles := make(map[string]bool)
+	for _, pattern := range patterns {
+		if isPossible(towels, pattern, not_possibles) {
+			//			fmt.Println(count, pattern)
+			count++
+		}
+	}
+	return count
+}
+
+func Part2(input string) int {
+	in := strings.Split(input, "\n\n")
+	towels := strings.Split(in[0], ", ")
+	sort.Strings(towels)
+	patterns := strings.Split(in[1], "\n")
+	//	fmt.Println(towels, patterns)
+	count := 0
+	memo := make(map[string]int)
+	for _, pattern := range patterns {
+		count += countPossible(sortStringsByPrefix(towels), pattern, memo)
+	}
+	return count
+}
+
+func isPossible(towels []string, pattern string, not_possibles map[string]bool) bool {
+	if pattern == "" {
+		return true
+	}
+	if not_possibles[pattern] {
+		return false
+	}
+	for _, towel := range towels {
+		if strings.HasPrefix(pattern, towel) {
+			if isPossible(towels, pattern[len(towel):], not_possibles) {
+				return true
+			}
+		}
+	}
+	not_possibles[pattern] = true
+	return false
+}
+
+func countPossible(towels map[byte][]string, pattern string, memo map[string]int) int {
+	if pattern == "" {
+		return 1
+	}
+
+	//If memo has key
+	if val, ok := memo[pattern]; ok {
+		return val
+	}
+
+	count := 0
+	for _, towel := range towels[pattern[0]] {
+		if strings.HasPrefix(pattern, towel) {
+			count += countPossible(towels, pattern[len(towel):], memo)
+		}
+	}
+
+	memo[pattern] = count
+
+	return count
+}
+
+func sortStringsByPrefix(slice []string) map[byte][]string {
+	result := make(map[byte][]string)
+	for _, str := range slice {
+			result[str[0]] = append(result[str[0]], str)
+		}
+	for _, t := range result {
+		sort.Strings(t)
+	}
+	return result
+}
diff --git a/2024/go/day19/day19_test.go b/2024/go/day19/day19_test.go
new file mode 100644
index 0000000..fa99ba2
--- /dev/null
+++ b/2024/go/day19/day19_test.go
@@ -0,0 +1,42 @@
+package day19
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`r, wr, b, g, bwu, rb, gb, br
+
+brwrr
+bggr
+gbbr
+rrbgbr
+ubwu
+bwurrg
+brgr
+bbrgwb`)
+	require.Equal(t, 6, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2(`r, wr, b, g, bwu, rb, gb, br
+
+brwrr
+bggr
+gbbr
+rrbgbr
+ubwu
+bwurrg
+brgr
+bbrgwb`)
+	require.Equal(t, 16, r)
+}
+
+func TestPart2Long(t *testing.T) {
+	r := Part2(`rrgwru, gwubwg, wgbbw, bwb, ugrgw, uwgguuw, wuggb, bgwb, ubrr, grruuub, rwbwgbub, wwwggg, uuw, gubuu, urwb, bubg, bubb, rruruuu, ubgr, uw, urugg, wubuu, brwb, buw, bgug, wgbwwrb, rwrgrr, gwgr, rrwrg, wwbwgbw, gguu, rgg, bwg, ruurrwg, wbu, ggg, wrw, brbw, wbb, rrbgg, gbb, gwwrubwu, rwgu, grgwwu, wguu, rwg, wbwug, rbur, gwg, wbrugu, wbwwgu, wbbuw, rwrg, rgru, rgb, bwwrg, bwur, rrubwu, gwb, ugwur, wbguwb, rbu, ubrwgw, ruwbr, wbbu, rrbwbg, rgub, rwgb, urwg, bbw, bugg, rugwg, rwbrwww, wuru, guu, brwbg, ug, ruuwruw, bguww, wwrgrurg, rrbgr, uubwurb, brrrwgg, bur, urg, rbg, wruw, gr, ugb, wwrbgrg, wbuuw, bbugu, uug, rrbb, rrbw, bgr, wwwru, rgu, urr, rg, wbgbru, brrgu, gubu, rurgr, wwbrgg, ruurwgwg, rbb, rbrugwb, gwwrbg, bwuuwrg, wu, b, bgwrb, uwggr, rgbb, rww, wgwb, gwgwr, uwbb, uww, gu, ubwuu, wbwwwug, rurwru, rr, rrg, uggr, bgwu, wbgbu, urggw, br, gubgugr, wgrb, bbgrrbu, brbg, wrg, bgrb, rwbwwur, uwr, bubu, grwb, ubb, wr, bbbgwr, bug, uwgwuwu, grb, bgw, uuu, ugr, wgbbgu, gbg, bgwub, urbgrw, rbruwg, gb, bbwgwur, uwbgwrr, ggrb, wbrrwrbu, gbbugrb, ub, rwb, gwr, ruwu, gurgu, rru, uuwwgwuw, bw, ruwbbb, rbgrgu, wuwu, grrugr, wgr, rbbr, rugr, rrrrbww, bwrr, wrbbr, uuwgr, gug, wwb, rgur, brbrr, gguw, grwubrg, rrrr, uwb, wuwwrrwg, gwbggr, rwrub, wuur, gub, rbgb, urrbubrr, uwubu, brbb, bwbr, bww, ruuubwu, ugbbbr, bub, rrug, wub, gruu, uu, bbu, gbbr, urrg, buwu, grw, grbbbu, bgb, ugubg, uwww, urw, wwubruww, buurb, www, bguurr, wwgu, wgb, ruwub, wggggbg, urrb, gbwuw, ubrrg, wrr, gbubgg, gw, wuw, wuug, wwrb, wgg, rgugrru, rgwrbr, guurrg, bgu, rurgb, gwggb, bwgbbw, ggwb, ubwgw, bbg, rbr, wgru, urwr, brr, rgbr, rgr, wwg, guwuru, uuggg, rrw, buu, urb, guwg, ugwwbuwb, rubb, brbuww, rwugru, ubu, wwub, bgwgb, wrug, rug, w, brgg, wwugwruw, ggrwb, bbwuwuu, uub, rrr, ggbrr, wbur, wurbru, wgu, brb, urbbb, gburbww, wbrgruru, rbugr, gubw, wgwgg, rwr, ugw, gggg, gwrwrg, rrub, gbwgg, grg, uwuur, gbwbbb, guw, gbwbb, uwu, ruw, bwr, rwgub, rbw, ggbwr, u, gwu, rrurrb, gwgg, uugwrbr, brw, ugburg, rwu, wwu, wbr, ruwgr, gbwbur, rwgr, rwbww, rbgr, rgbub, rbbuw, ruu, bwgw, bbwg, ubr, gurr, wwr, wwwguu, gbw, ggw, gru, wug, rubwrbrr, wbrrrr, uru, wbgw, wgur, uurgg, bbb, rbwgwbur, wwbwur, bbgubw, gww, brg, ugu, rgrgw, wwrrgugu, rrrwuww, uwwrb, wrb, rrgg, wubgrrb, bwwgrbww, gbr, gwrwu, brgwwbu, urrwub, rbru, bwrgrr, brwuwrb, guuur, wb, bbrb, brww, wuwrww, bu, rgw, rwbwug, bbug, urrgr, bg, bgg, wbgwbgru, wbrru, uwbbr, wbg, gwwur, gur, ubwb, gubbb, bb, wrugr, grur, rb, uwubrg, bwgrw, gbug, g, wuwubgw, ubw, urgu, rrrg, uwg, bbww, uwgrug, ww, ggu, gwbuwu, rgggwgr, wugw, gbrrg, ugg, bwu, ubuur, uurrw, uwwug, bgww, ubg, rw, gwgbwrg, wuu, rbgbg, buwbur, rub, ugbwwrgu, gbww, wbw, gurbwu, bruw, rggrbrgw, wguwu, ubwbwr, ru, uwur, ggb, uurwg, wguubgr, wru, rbrbr, rbwr, wwwrbb, urww, rur, bru, bbbwrw, uwrwrr, ruww, ububbgr, rrb, bggrwg, bbr, wrwrb, bwgwrbg, grbuwg, gg, ubuurwg, uur, guguwb, rugurgbw, bbuwbb
+
+wrbwgruugbbgwwurggwrgrrrurbgwbgggwbbgwgbrwggwur`)
+	require.Equal(t, 16, r)
+}
diff --git a/2024/go/day19/input.txt b/2024/go/day19/input.txt
new file mode 100644
index 0000000..f06b5fa
--- /dev/null
+++ b/2024/go/day19/input.txt
@@ -0,0 +1,402 @@
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diff --git a/2024/go/go.mod b/2024/go/go.mod
index 1ff1c1b..d7d05a2 100644
--- a/2024/go/go.mod
+++ b/2024/go/go.mod
@@ -7,6 +7,6 @@ require golang.org/x/exp v0.0.0-20221208152030-732eee02a75a
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/stretchr/testify v1.10.0 // direct
+	github.com/stretchr/testify v1.10.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

From 952def48a057233677b130a19bd18ef39975aceb Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Mon, 13 Jan 2025 23:51:28 +0000
Subject: [PATCH 10/11] Revert "fix missing"

This reverts commit 08b38c2bd37ec7e22e27b3f5d529ea35d8f7a0af.
---
 2024/gareth/day07/day07.go      |   90 -
 2024/gareth/day07/day07_test.go |   33 -
 2024/gareth/day07/input.txt     |  850 ----
 2024/gareth/day08/day08.go      |   80 -
 2024/gareth/day08/day08_test.go |   39 -
 2024/gareth/day08/input.txt     |   50 -
 2024/gareth/day09/day09.go      |  104 -
 2024/gareth/day09/day09_test.go |   22 -
 2024/gareth/day09/input.txt     |    1 -
 2024/gareth/day10/day10.go      |  141 -
 2024/gareth/day10/day10_test.go |   31 -
 2024/gareth/day10/input.txt     |   45 -
 2024/gareth/day11/day11.go      |   89 -
 2024/gareth/day11/day11_test.go |   12 -
 2024/gareth/day11/input.txt     |    1 -
 2024/gareth/day13/day13.go      |   76 -
 2024/gareth/day13/day13_test.go |   45 -
 2024/gareth/day13/input.txt     | 1279 ------
 2024/gareth/day14/day14.go      |  172 -
 2024/gareth/day14/day14_test.go |   23 -
 2024/gareth/day14/input.txt     |  500 ---
 2024/gareth/day18/day18.go      |  156 -
 2024/gareth/day18/day18_test.go |   65 -
 2024/gareth/day18/input.txt     | 3450 ---------------
 2024/gareth/day19/day19.go      |   90 -
 2024/gareth/day19/day19_test.go |   35 -
 2024/gareth/day19/input.txt     |  402 --
 2024/gareth/main.go             |   10 +-
 2024/go/day10/day10.go          |  103 -
 2024/go/day10/day10_test.go     |   31 -
 2024/go/day10/input.txt         |   56 -
 2024/go/day11/day11.go          |   76 -
 2024/go/day11/day11_test.go     |   17 -
 2024/go/day11/input.txt         |    1 -
 2024/go/day12/day12.go          |  146 -
 2024/go/day12/day12_test.go     |   29 -
 2024/go/day12/input.txt         |  140 -
 2024/go/day13/day13.go          |   58 -
 2024/go/day13/day13_test.go     |   45 -
 2024/go/day13/input.txt         | 1279 ------
 2024/go/day14/day14.go          |  149 -
 2024/go/day14/day14_test.go     |  527 ---
 2024/go/day14/input.txt         |  500 ---
 2024/go/day15/day15.go          |  119 -
 2024/go/day15/day15_test.go     |   57 -
 2024/go/day15/input.txt         |   71 -
 2024/go/day16/day16.go          |  225 -
 2024/go/day16/day16_test.go     |   47 -
 2024/go/day16/input.txt         |  141 -
 2024/go/day17/day17.go          |   91 -
 2024/go/day17/day17_test.go     |   25 -
 2024/go/day17/input.txt         |    5 -
 2024/go/day18/day18.go          |  126 -
 2024/go/day18/day18_test.go     | 6915 -------------------------------
 2024/go/day18/input.txt         | 3450 ---------------
 2024/go/day19/day19.go          |   87 -
 2024/go/day19/day19_test.go     |   42 -
 2024/go/day19/input.txt         |  402 --
 2024/go/go.mod                  |    2 +-
 59 files changed, 5 insertions(+), 22848 deletions(-)
 delete mode 100644 2024/gareth/day07/day07.go
 delete mode 100644 2024/gareth/day07/day07_test.go
 delete mode 100644 2024/gareth/day07/input.txt
 delete mode 100644 2024/gareth/day08/day08.go
 delete mode 100644 2024/gareth/day08/day08_test.go
 delete mode 100644 2024/gareth/day08/input.txt
 delete mode 100644 2024/gareth/day09/day09.go
 delete mode 100644 2024/gareth/day09/day09_test.go
 delete mode 100644 2024/gareth/day09/input.txt
 delete mode 100644 2024/gareth/day10/day10.go
 delete mode 100644 2024/gareth/day10/day10_test.go
 delete mode 100644 2024/gareth/day10/input.txt
 delete mode 100644 2024/gareth/day11/day11.go
 delete mode 100644 2024/gareth/day11/day11_test.go
 delete mode 100644 2024/gareth/day11/input.txt
 delete mode 100644 2024/gareth/day13/day13.go
 delete mode 100644 2024/gareth/day13/day13_test.go
 delete mode 100644 2024/gareth/day13/input.txt
 delete mode 100644 2024/gareth/day14/day14.go
 delete mode 100644 2024/gareth/day14/day14_test.go
 delete mode 100644 2024/gareth/day14/input.txt
 delete mode 100644 2024/gareth/day18/day18.go
 delete mode 100644 2024/gareth/day18/day18_test.go
 delete mode 100644 2024/gareth/day18/input.txt
 delete mode 100644 2024/gareth/day19/day19.go
 delete mode 100644 2024/gareth/day19/day19_test.go
 delete mode 100644 2024/gareth/day19/input.txt
 delete mode 100644 2024/go/day10/day10.go
 delete mode 100644 2024/go/day10/day10_test.go
 delete mode 100644 2024/go/day10/input.txt
 delete mode 100644 2024/go/day11/day11.go
 delete mode 100644 2024/go/day11/day11_test.go
 delete mode 100644 2024/go/day11/input.txt
 delete mode 100644 2024/go/day12/day12.go
 delete mode 100644 2024/go/day12/day12_test.go
 delete mode 100644 2024/go/day12/input.txt
 delete mode 100644 2024/go/day13/day13.go
 delete mode 100644 2024/go/day13/day13_test.go
 delete mode 100644 2024/go/day13/input.txt
 delete mode 100644 2024/go/day14/day14.go
 delete mode 100644 2024/go/day14/day14_test.go
 delete mode 100644 2024/go/day14/input.txt
 delete mode 100644 2024/go/day15/day15.go
 delete mode 100644 2024/go/day15/day15_test.go
 delete mode 100644 2024/go/day15/input.txt
 delete mode 100644 2024/go/day16/day16.go
 delete mode 100644 2024/go/day16/day16_test.go
 delete mode 100644 2024/go/day16/input.txt
 delete mode 100644 2024/go/day17/day17.go
 delete mode 100644 2024/go/day17/day17_test.go
 delete mode 100644 2024/go/day17/input.txt
 delete mode 100644 2024/go/day18/day18.go
 delete mode 100644 2024/go/day18/day18_test.go
 delete mode 100644 2024/go/day18/input.txt
 delete mode 100644 2024/go/day19/day19.go
 delete mode 100644 2024/go/day19/day19_test.go
 delete mode 100644 2024/go/day19/input.txt

diff --git a/2024/gareth/day07/day07.go b/2024/gareth/day07/day07.go
deleted file mode 100644
index 694c09a..0000000
--- a/2024/gareth/day07/day07.go
+++ /dev/null
@@ -1,90 +0,0 @@
-package day07
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-)
-
-func Part1(input string) int {
-	total := 0
-	lines := strings.Split(strings.TrimSpace(input), "\n")
-
-	for i := 0; i < len(lines); i++ {
-		target, numbers := parseLine(lines[i])
-		if validLinePart1(numbers, 1, numbers[0], target) {
-			total += target
-		}
-	}
-
-	return total
-}
-
-func Part2(input string) int {
-	total := 0
-	lines := strings.Split(strings.TrimSpace(input), "\n")
-
-	for i := 0; i < len(lines); i++ {
-		target, numbers := parseLine(lines[i])
-		if validLinePart2(numbers, 1, numbers[0], target) {
-			total += target
-		}
-	}
-
-	return total
-}
-
-func parseLine(line string) (int, []int) {
-	parts := strings.Split(line, ":")
-	target, _ := strconv.Atoi(strings.TrimSpace(parts[0]))
-	numberStrings := strings.Fields(parts[1])
-
-	numbers := make([]int, len(numberStrings))
-	for i := 0; i < len(numberStrings); i++ {
-		numbers[i], _ = strconv.Atoi(strings.TrimSpace(numberStrings[i]))
-	}
-
-	return target, numbers
-}
-
-func validLinePart1(numbers []int, index int, currentValue int, target int) bool {
-	if index == len(numbers) {
-		return currentValue == target
-	}
-
-	sum := currentValue + numbers[index]
-	if validLinePart1(numbers, index+1, sum, target) {
-		return true
-	}
-
-	product := currentValue * numbers[index]
-	if validLinePart1(numbers, index+1, product, target) {
-		return true
-	}
-
-	return false
-}
-
-func validLinePart2(numbers []int, index int, currentValue int, target int) bool {
-	if index == len(numbers) {
-		return currentValue == target
-	}
-
-	sum := currentValue + numbers[index]
-	if validLinePart2(numbers, index+1, sum, target) {
-		return true
-	}
-
-	product := currentValue * numbers[index]
-	if validLinePart2(numbers, index+1, product, target) {
-		return true
-	}
-
-	// Turns 12 || 34 into 1234
-	concatenated, _ := strconv.Atoi(strings.TrimSpace(fmt.Sprintf("%d%d", currentValue, numbers[index])))
-	if validLinePart2(numbers, index+1, concatenated, target) {
-		return true
-	}
-
-	return false
-}
diff --git a/2024/gareth/day07/day07_test.go b/2024/gareth/day07/day07_test.go
deleted file mode 100644
index 73ff38b..0000000
--- a/2024/gareth/day07/day07_test.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package day07
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`190: 10 19
-3267: 81 40 27
-83: 17 5
-156: 15 6
-7290: 6 8 6 15
-161011: 16 10 13
-192: 17 8 14
-21037: 9 7 18 13
-292: 11 6 16 20`)
-	assert.Equal(t, 3749, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`190: 10 19
-3267: 81 40 27
-83: 17 5
-156: 15 6
-7290: 6 8 6 15
-161011: 16 10 13
-192: 17 8 14
-21037: 9 7 18 13
-292: 11 6 16 20`)
-	assert.Equal(t, 11387, r)
-}
diff --git a/2024/gareth/day07/input.txt b/2024/gareth/day07/input.txt
deleted file mode 100644
index 23117ba..0000000
--- a/2024/gareth/day07/input.txt
+++ /dev/null
@@ -1,850 +0,0 @@
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-2736185924: 835 66 2 53 8 3 31 3 2 2
\ No newline at end of file
diff --git a/2024/gareth/day08/day08.go b/2024/gareth/day08/day08.go
deleted file mode 100644
index ce5a1cd..0000000
--- a/2024/gareth/day08/day08.go
+++ /dev/null
@@ -1,80 +0,0 @@
-package day08
-
-import (
-	"math"
-	"strings"
-)
-
-type Coordinate struct {
-	Row int
-	Col int
-}
-
-func Part1(input string) int {
-	grid, antennaMap := parseInput(input)
-	result := findAntinodes(grid, antennaMap, true)
-	return result
-}
-
-func Part2(input string) int {
-	grid, antennaMap := parseInput(input)
-	result := findAntinodes(grid, antennaMap, false)
-	return result
-}
-
-func parseInput(input string) ([][]rune, map[rune][]Coordinate) {
-	lines := strings.Split(input, "\n")
-	rowCount := len(lines)
-	colCount := len(lines[0])
-	grid := make([][]rune, rowCount)
-	antennaMap := make(map[rune][]Coordinate)
-
-	for row := 0; row < rowCount; row++ {
-		grid[row] = []rune(lines[row])
-		for col := 0; col < colCount; col++ {
-			frequency := grid[row][col]
-			if frequency != '.' {
-				antennaMap[frequency] = append(antennaMap[frequency], Coordinate{Row: row, Col: col})
-			}
-		}
-	}
-
-	return grid, antennaMap
-}
-
-func findAntinodes(grid [][]rune, antennaMap map[rune][]Coordinate, onlySpecial bool) int {
-	rowCount := len(grid)
-	colCount := len(grid[0])
-	uniqueAntinodes := make(map[Coordinate]struct{})
-
-	for row := 0; row < rowCount; row++ {
-		for col := 0; col < colCount; col++ {
-			for _, antennaPositions := range antennaMap {
-				for i, firstAntenna := range antennaPositions {
-					for j, secondAntenna := range antennaPositions {
-						//I know I know thats too many for loops
-						if i != j {
-							distance1 := int(math.Abs(float64(row-firstAntenna.Row)) + math.Abs(float64(col-firstAntenna.Col)))
-							distance2 := int(math.Abs(float64(row-secondAntenna.Row)) + math.Abs(float64(col-secondAntenna.Col)))
-
-							rowDiff1 := row - firstAntenna.Row
-							rowDiff2 := row - secondAntenna.Row
-							colDiff1 := col - firstAntenna.Col
-							colDiff2 := col - secondAntenna.Col
-
-							if rowDiff1*colDiff2 == rowDiff2*colDiff1 {
-								if (distance1 == 2*distance2 || distance1*2 == distance2) && onlySpecial {
-									uniqueAntinodes[Coordinate{Row: row, Col: col}] = struct{}{}
-								} else if !onlySpecial {
-									uniqueAntinodes[Coordinate{Row: row, Col: col}] = struct{}{}
-								}
-							}
-						}
-					}
-				}
-			}
-		}
-	}
-
-	return len(uniqueAntinodes)
-}
diff --git a/2024/gareth/day08/day08_test.go b/2024/gareth/day08/day08_test.go
deleted file mode 100644
index f744f8f..0000000
--- a/2024/gareth/day08/day08_test.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package day08
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`............
-........0...
-.....0......
-.......0....
-....0.......
-......A.....
-............
-............
-........A...
-.........A..
-............
-............`)
-	assert.Equal(t, 14, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`............
-........0...
-.....0......
-.......0....
-....0.......
-......A.....
-............
-............
-........A...
-.........A..
-............
-............`)
-	assert.Equal(t, 11387, r)
-}
diff --git a/2024/gareth/day08/input.txt b/2024/gareth/day08/input.txt
deleted file mode 100644
index d4fb9a8..0000000
--- a/2024/gareth/day08/input.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-........................E...j......W..........L...
-............................O........E.........L..
-..q......O...........l....................K.......
-............q...................HM......W.........
-................................1..H...........IW.
-....................5.............................
-..........k........M...wl............6............
-.....O.......w...k.....5.8..l......K.........o.6..
-.......k....w.........5.........R.....o........K..
-.....q..X..............j........E...I.........K...
-............O..........E........................H.
-................Mn.h2.w.p....................H....
-..................p.......a............j.....L....
-.....X...l.p.....................m.........W..6...
-..Xq................A..................R..m.......
-.........................i..........a..........R..
-...........u.....................a........I.....2.
-k..............A..n.........R.................o...
-................n.................Qo..............
-..........u.A.........h........2..................
-...5.......Y.....p...............iN...............
-1...x.....................i.......................
-........M..............2.....Qi...................
-...............................I..e...............
-......u......A...........m..........h.............
-.......1...........U.............Qm.......j.......
-.......X.......................................9..
-.....u........U.......Y...........................
-.............................h.e..................
-..................4....e......Q.....L....N........
-.1..................4.......................y8....
-.........Y................................8.N.....
-............P.0J...........3..........8y..........
-....V3P..........J................................
-............U..P...7x...........e.................
-....................J...............r...9.........
-.........0.V......Y...............................
-...............V.4................................
-..........V..........................n............
-..............v........7..........................
-...........U..........J.......7...................
-.....v........7..........................a........
-.......................................r..........
-...........0.......x................y.............
-............6..v.x.....................N..........
-...........P......................................
-........3.......................r......4..........
-..............3......................y............
-................................................9.
-.................................................9
\ No newline at end of file
diff --git a/2024/gareth/day09/day09.go b/2024/gareth/day09/day09.go
deleted file mode 100644
index c2e12df..0000000
--- a/2024/gareth/day09/day09.go
+++ /dev/null
@@ -1,104 +0,0 @@
-package day09
-
-func Part1(input string) int {
-	files, gaps, lengthOfFinalFile := parseInput(input)
-	checksum := compactFiles(files, gaps, lengthOfFinalFile)
-	return checksum
-}
-
-func Part2(input string) int {
-	files, freeSpaces := parseInputPart2(input)
-	checksum := calculateChecksum(files, freeSpaces)
-	return checksum
-}
-
-func parseInput(input string) ([]int, []int, int) {
-	var files []int
-	var gaps []int
-	lengthOfFinalFile := 0
-	for i, char := range input {
-		if i%2 == 0 {
-			files = append(files, int(char-'0'))
-			lengthOfFinalFile += int(char - '0')
-		} else {
-			gaps = append(gaps, int(char-'0'))
-		}
-	}
-	return files, gaps, lengthOfFinalFile
-}
-
-func parseInputPart2(input string) ([][]int, [][]int) {
-	files, freeSpaces, position := [][]int{}, [][]int{}, 0
-	for index, char := range input {
-		length := int(char - '0')
-		if index%2 == 0 {
-			files = append(files, generateRange(position, position+length))
-		} else {
-			freeSpaces = append(freeSpaces, generateRange(position, position+length))
-		}
-		position += length
-	}
-	return files, freeSpaces
-}
-
-func compactFiles(files []int, gaps []int, lengthOfFinalFile int) int {
-	fileIndex := len(files) - 1
-	gapIndex := 0
-	position := files[0]
-	checksum := 0
-	fileID := files[0]
-
-	for lengthOfFinalFile != position {
-		// If there's a gap and a file to move then move the file
-		if gaps[gapIndex] > 0 && files[fileIndex] > 0 {
-			files[fileIndex]--
-			gaps[gapIndex]--
-			checksum += fileIndex * position
-			position++
-		}
-
-		// If this file is fully moved go to next file
-		if files[fileIndex] == 0 {
-			fileIndex--
-			fileID++
-		}
-
-		// Update gapIndex if this gap is filled
-		if gaps[gapIndex] == 0 {
-			gapIndex++
-			for f := 0; f < files[gapIndex]; f++ {
-				checksum += gapIndex * position
-				position++
-			}
-		}
-	}
-
-	return checksum
-}
-
-func generateRange(start, end int) []int {
-	rangeList := make([]int, end-start)
-	for i := range rangeList {
-		rangeList[i] = start + i
-	}
-	return rangeList
-}
-
-func calculateChecksum(files, freeSpaces [][]int) int {
-	checksum := 0
-	for fileIndex := len(files) - 1; fileIndex >= 0; fileIndex-- {
-		for spaceIndex := 0; spaceIndex < len(freeSpaces); spaceIndex++ {
-			if len(freeSpaces[spaceIndex]) >= len(files[fileIndex]) && files[fileIndex][0] > freeSpaces[spaceIndex][0] {
-				files[fileIndex] = freeSpaces[spaceIndex][:len(files[fileIndex])]
-				freeSpaces[spaceIndex] = freeSpaces[spaceIndex][len(files[fileIndex]):]
-			}
-		}
-	}
-
-	for fileID, file := range files {
-		for _, block := range file {
-			checksum += fileID * block
-		}
-	}
-	return checksum
-}
diff --git a/2024/gareth/day09/day09_test.go b/2024/gareth/day09/day09_test.go
deleted file mode 100644
index b9de485..0000000
--- a/2024/gareth/day09/day09_test.go
+++ /dev/null
@@ -1,22 +0,0 @@
-package day09
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`12345`)
-	assert.Equal(t, 60, r)
-}
-
-func TestPart1Long(t *testing.T) {
-	r := Part1(`2333133121414131402`)
-	assert.Equal(t, 1928, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`2333133121414131402`)
-	assert.Equal(t, 2858, r)
-}
diff --git a/2024/gareth/day09/input.txt b/2024/gareth/day09/input.txt
deleted file mode 100644
index b5ab7ba..0000000
--- a/2024/gareth/day09/input.txt
+++ /dev/null
@@ -1 +0,0 @@
-2529414994631170149953136311659836486767499011295895209013255645858553884990631239857180407026188318789536626883964672136355273919115442427552799046486996326836721848461142184774852462365260634524991545439574418977718911375256991472764810705999392318631748622830142133467261617273937356141415707425753674415292503537471415868114655290826112291685289736371370794189785878486831872016564126976522727423616247825525582235815348304183161672962553208063528051403895878511223754541942753550948843423236569890488336109548241119404580493982516632107654275399605468301782552884515594818174546445227869897726454296218318628664159728961325374033515263746610627048519411977781695595794535515064703636952079774826159321748816186679411826696063348134165468188023619726476382843216866261777484681339754899174368188722709816794137754761792646555351973887495359649411363814901253642493312614366531222370302156743751318251941645822081602872738751283687336339884876543218141359765134733663492093416431535012445097595649165971493028986240575597653688523974288772307034632638625633187731811281922665421327836218203214749354406959408680793080389496978212945419775978249165443961189137588895163095106088317084441298272395387540452384597822868485507235641120715625515459853525688110756198615289287578182442456417904668154987527729122473963550517916127294526771821425495935972610686448528932482912141732519954383661982334932650248353682615255120545729895022211147836848115341454584957926805633627964276847999330476526354279332512826717133230773157324347402953953927527665567153253315399378748818468678693837961867951860312379276017805343355247963052974232165110245254232287194847722340532410286385821556192322832743937519209173458985571983132531839983977272421739138970811391464140682379139824407889378619871180297441298829669070809895586794531431857864567433873076723053603435662419381934421712102617472739137385638576101831848842655652454165101290255871526232351950556852421166861327615244371495542266229753205035804540174131698192768395814389388644268086405515537752706254391829761337527891677215356747115182964429255822243039588914805260924016257466777195552352949478722191539771342551122847825532233481813754983169379785489050221270707365696021932483631432414437351963685012191132618360937331778186804479417765518124878796421456944742103810878239437117576013394324571182139571294073653266958694952196425926136893533164132575492817488096489046378492654888421055756213119857493249964822944119957868459016171356769871756326614598659835681980344267978612918689166116244890339182206315282146134018964798226159212449309744905320227743183143823029572839434660354034213549817535283713791522376277984037586413688061535089165885822732145890396647843158478710908866936938249064552772794146522586525741963899855122516857695592581647685180705089559981833535136560929145755880975051188152909463771689906499581149643227497130528722407033493481913346162338161479763710736884142797715949788465814349438278276580443850194834256818985090856559827988358562352513349995775225726210788843511763845149583787943127203914501053994685329347167183832489402915704644923353246710121286566284592170886447519167319529279269987190217074136145686633506883865816354097504356778652208815894272748631452119193048574123409114138145899637632260879694921946816524934021101560398222255429352486691681551047543735741549497410302274971744428279371337924012804528976512947630763820698984176515394115387633878375905835504237195317411954949167209227352725803951402765353945194611408966745723441976996218446199527123935043173695744261353026652837718730465094774015112912204943556343544443281354456239347083976280589560844610218264355879457283812993459560733867541611553150662275879650464596329710741282407824297149262230995875542027136495131087189327597974108634582334863989876019159315756949473828329795289481447823671037856645639327923091353712977682847527747453192825951029198856408367633596597492822338202150779572581027413328459951408278317191453930802581727739778818584413762281675934513970122072971459927778838048533780518220295897149947836136418279345115765461984365627774424287416673159950719867353137466421928859527059578264892347829281782530312247822394516573966472975576956366988127608160989564458910184313229420889926896085859813973174764072952774397898954466591163388550598972604976663611761341337996196531364142244786437084508236507637471411333734425822787974289912567133635377856417676855417510459720787516351248865028922683834152246383211823927644303075529444473819826470587213904655264647936061755076265634169417988091507859331696695769284314334936986135269574142089267669916879509927751857594745155933587016723848953951677257844971196014883326232861968441712070642663307777867467921814283324529951996933555279335439351793773832376425489790347097348422593969642852779022169223143874617495449982708614991877319989495996341617318379612350708842715884444940298963514595995861202572539578968229889314943042379386975825399714472598998896275717317789252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11263784873575372114080164789271221611974189444993646464114391561888126576590572747514775674754798361519557447089658693568190722042239038182027145646931841411714551297396742333127469843538536739756792774224145897238843640555690151244703435488233631920389463821225358987415535648850302612304886704098136868643880511321533244367084528445561489809274372418683327884384366345788766967425519282977930572894921460144782686816533660585654967340959041576153825369169128805088953579808117444635518728543372136328779456169387286119688990694168322193192649189870457795985297432536537296233914604829832598349665418646337852129813155863796979841941683643396750537879663299471318768673911182876347316712368687941376574158483381651778608139467633295978927918461069162461651577873334624095437844195855398682477835169230343813104582797097427085718210715978841462408847436281714576676861925731197983489948864186357273488367939139664191218195384275235850503412841721432094543189382996297135226993828814711646238394962469297537621862238964149828177965483992734617317978625277906178511922592290687231735911799472639524886810983330668670614030778345434136476196522857904883684913302570226148554629148134184963346983602988909772534996901826913781516479988672827672751473566016732693371149332750333617634777773273196578896641112642939167991479732316104057113686332753418253376299733623144652181342918745411192654416413259653834894449329574972119824344232476961217228333949188837664708733507039708710238390283950371723708433152854697672901771325586472683628941447375455420385434443268488869204911197798132034195593995873403031279187208573767726418012701686168026613933635972675483808821305117964482463780867514799310929752149468444551773760476314276282326430391459235624535849769371768646285843401327166353338334686147645669408370863457278073721532563791298179567459192534219789433031919644845764356672404250715129841424177576588786503244739199774718824771446981895443417068481567847550213895237671512024931633825095601213118752199246498124528739767076282278206328207392571690165378968421444424955611617112439470547530829068745781953336264122997540209372515665337442233429959874741448172772138736327417556798469768528842293742826212944615378630475494907271342942186137479127476847854112676524674951994819961633756749409154623241842840881114239923718952304084808579301312668457632282235984407966345649697070661564522950892887776492775560131958719492713764958960883990851115769568208717847683728338884729373511189424573918473957577287676437274650203139803595547488369563337264948427294817659773515832382126964887907621857278854463311694726320802162734820578618294717788754509277725199541925523743492442232888974011487448347950922411625951782629463328938290215212969288567672329992224293929297242312765385331624981997137556617457201886856213726096357837473722434413533833112167638588121426223377558665491547179888369911491570566797443514904523575253268950364983521581932145648738891888221723365931941395841625237614627880359469565948495553588335825518349632141952286812168469351448987110248580256844232726876745472437412793597215757967247173765983666016693715894832139851313834147526279277235570709449979261734151737240379878669070426944136047378261148327446474897915673153804535725010878197577723717895369420573560568343402247752821112354703935666692277919794831238560827111613520849546311897979866526559437339851756137736586023343723432818795679143082671836381531848237267245663961105694303727697592691982177611691060408426904814739422856167146999628933913275921436445588568149943386185585448458325385627374786137967289137752605146786199122680812376502538424781402753397357902475791519157410826263549472132627853249941590992063206759145828109646663948196896397477592928998285441111248150302453459898323977736810575561259759395884286125409042699959368482261579585451656141274387312578239747897898113418982087152458265799653897786465812520456540848582538318823718123993183890607360439171999456249645797990419077832078258243996233273181613970524566831025276460586494441430502858767791925925646133309510834664665025175987649170229238457896721522397862354827647796609246807257672945732274983987955375927913855361492216893129571485446030854910491363594613112529132288545829959855531211637510214055401966254128689381307824356623501570307389489663444626332460637310836045163771275339312738406046939677511182492275364847695829316379267535498253384888474038227039105961228944859164772810416834809161749987491993211570239096651563231077602935766177873447284874162996417055942261859743857768788534444817367971415549854346674918459488479539896846199846626159506613424324941763546052131972435643892075299192592765113780442548808098869391885414795684848844369324102356527542593669202199995093544820256515825228731612765360369266626598355466467374701462471784416331741054979181617939465295566392763459203131381568471864667699561955225942583876648077584243875232228649825621334573885031848383826272837877607696173063309258898446688633386394863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
\ No newline at end of file
diff --git a/2024/gareth/day10/day10.go b/2024/gareth/day10/day10.go
deleted file mode 100644
index ef1dda7..0000000
--- a/2024/gareth/day10/day10.go
+++ /dev/null
@@ -1,141 +0,0 @@
-package day10
-
-import (
-	"strings"
-)
-
-var directions = [][2]int{
-	{-1, 0},
-	{1, 0},
-	{0, -1},
-	{0, 1},
-}
-
-func Part1(input string) int {
-	grid := ParseInput(input)
-	return CalculateTotalTrailheadScore(grid)
-}
-
-func Part2(input string) int {
-	grid := ParseInput(input)
-	return CalculateTotalTrailheadRating(grid)
-}
-
-func ParseInput(input string) [][]int {
-	lines := strings.Split(strings.TrimSpace(input), "\n")
-	grid := make([][]int, len(lines))
-	for i, line := range lines {
-		grid[i] = make([]int, len(line))
-		for j, char := range line {
-			grid[i][j] = int(char - '0')
-		}
-	}
-	return grid
-}
-
-func IsValidPosition(x, y, rows, cols int) bool {
-	return x >= 0 && x < rows && y >= 0 && y < cols
-}
-
-func DFS(grid [][]int, x, y, prevHeight int, visited [][]bool, reached9 map[[2]int]bool) {
-	rows := len(grid)
-	cols := len(grid[0])
-	if !IsValidPosition(x, y, rows, cols) || visited[x][y] || grid[x][y] != prevHeight+1 {
-		return
-	}
-
-	if grid[x][y] == 9 {
-		reached9[[2]int{x, y}] = true
-		return
-	}
-
-	visited[x][y] = true
-	for _, dir := range directions {
-		nx, ny := x+dir[0], y+dir[1]
-		DFS(grid, nx, ny, grid[x][y], visited, reached9)
-	}
-	visited[x][y] = false
-}
-
-func CalculateTrailheadScore(grid [][]int, x, y int) int {
-	rows := len(grid)
-	cols := len(grid[0])
-	visited := make([][]bool, rows)
-	for i := range visited {
-		visited[i] = make([]bool, cols)
-	}
-
-	reached9 := make(map[[2]int]bool)
-	DFS(grid, x, y, -1, visited, reached9)
-	return len(reached9)
-}
-
-func DFSForRatings(grid [][]int, x, y, prevHeight int, visited [][]bool, trailCache map[[3]int]int) int {
-	rows := len(grid)
-	cols := len(grid[0])
-	if !IsValidPosition(x, y, rows, cols) || visited[x][y] || grid[x][y] != prevHeight+1 {
-		return 0
-	}
-
-	if grid[x][y] == 9 {
-		return 1
-	}
-
-	cacheKey := [3]int{x, y, grid[x][y]}
-	if count, exists := trailCache[cacheKey]; exists {
-		return count
-	}
-
-	visited[x][y] = true
-	totalTrails := 0
-	for _, dir := range directions {
-		nx, ny := x+dir[0], y+dir[1]
-		totalTrails += DFSForRatings(grid, nx, ny, grid[x][y], visited, trailCache)
-	}
-	visited[x][y] = false
-
-	trailCache[cacheKey] = totalTrails
-	return totalTrails
-}
-
-func CalculateTrailheadRating(grid [][]int, x, y int) int {
-	rows := len(grid)
-	cols := len(grid[0])
-	visited := make([][]bool, rows)
-	for i := range visited {
-		visited[i] = make([]bool, cols)
-	}
-
-	trailCache := make(map[[3]int]int)
-	return DFSForRatings(grid, x, y, -1, visited, trailCache)
-}
-
-func CalculateTotalTrailheadScore(grid [][]int) int {
-	rows := len(grid)
-	cols := len(grid[0])
-	totalScore := 0
-	for i := 0; i < rows; i++ {
-		for j := 0; j < cols; j++ {
-			if grid[i][j] == 0 {
-				score := CalculateTrailheadScore(grid, i, j)
-				totalScore += score
-			}
-		}
-	}
-	return totalScore
-}
-
-func CalculateTotalTrailheadRating(grid [][]int) int {
-	rows := len(grid)
-	cols := len(grid[0])
-	totalRating := 0
-	for i := 0; i < rows; i++ {
-		for j := 0; j < cols; j++ {
-			if grid[i][j] == 0 {
-				rating := CalculateTrailheadRating(grid, i, j)
-				totalRating += rating
-			}
-		}
-	}
-	return totalRating
-}
diff --git a/2024/gareth/day10/day10_test.go b/2024/gareth/day10/day10_test.go
deleted file mode 100644
index 547889b..0000000
--- a/2024/gareth/day10/day10_test.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package day10
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`89010123
-78121874
-87430965
-96549874
-45678903
-32019012
-01329801
-10456732`)
-	assert.Equal(t, 36, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`89010123
-78121874
-87430965
-96549874
-45678903
-32019012
-01329801
-10456732`)
-	assert.Equal(t, 81, r)
-}
diff --git a/2024/gareth/day10/input.txt b/2024/gareth/day10/input.txt
deleted file mode 100644
index a6f2793..0000000
--- a/2024/gareth/day10/input.txt
+++ /dev/null
@@ -1,45 +0,0 @@
-987123434330121232101001234730123456781067632
-876076576521010345692340349823212347892398701
-945087689432105676787659856714503210987445610
-332196576587654989801456787609654502376530923
-211543210298923215432321098128778901430121894
-300692340147210106523543210039569876589836765
-456781678236103267015693016543410231276745650
-576890549345234178106782187612320140345654321
-985098432100125089235493498109876056034765012
-834127102345456978340362569018765487123876678
-123236221976347869651251078729034398101985589
-014545340889298958707867897430120987012834432
-105965456770107843216950956541231276543124501
-896872378761016930345441019876501345678023670
-787901069654325321210332398545432330589012981
-107821543213034321089206787638901421432103210
-215430694102123475670115896129876548901210349
-126989780210014984308924925014578037654321458
-037878921001235675217833210123669123109452367
-549865438901045102346542106548754321278501476
-678954987432696201256430087239689870347699985
-230143006501787349961021298101236787656788014
-123272112981010458872787034010345691875107623
-054387623472129867763698125676210010961234510
-565694502561036789854567012980387121250129878
-676783411051045672343218763901296030343278569
-989872123432345891050109654812345145467303450
-012763094321056700891760345765432256958912341
-103450185789763211709851236876301967843211032
-814321276656854345612345654954101878701208983
-923434434565956745678036783063210989870345674
-874532345410345832989123192178981876781456564
-265101654323234901808765013265432185692387565
-103216765432101267814554323476501094501893474
-232109856321011876923601098789678923432102985
-343898707896540945498712367765672310567891078
-456789010987231234321203456894581455454986569
-556776125670102343100157654503490166303890432
-543895434894321765212348983212321876212761201
-432104898765010894301054581200110955211654300
-301256567656987105498765690341034567300563212
-434567430547896234787654785652123498456767843
-321798121032345375696543098743096567877854952
-210899021121036789781232143456787656928923761
-326765430110145678710123232109876543210010890
\ No newline at end of file
diff --git a/2024/gareth/day11/day11.go b/2024/gareth/day11/day11.go
deleted file mode 100644
index 4876cac..0000000
--- a/2024/gareth/day11/day11.go
+++ /dev/null
@@ -1,89 +0,0 @@
-package day11
-
-import (
-	"strconv"
-	"strings"
-)
-
-func Part1(input string) int {
-	stones := ParseInput(input)
-	return len(blinkTimes(stones, 25))
-}
-
-func Part2(input string) int {
-	stones := ParseInput(input)
-	return getNumStones(stones, 75)
-}
-
-func ParseInput(input string) []int {
-	strStones := strings.Split(strings.TrimSpace(input), " ")
-	stones := make([]int, 0, len(strStones))
-	for _, s := range strStones {
-		num, _ := strconv.Atoi(s)
-		stones = append(stones, num)
-	}
-	return stones
-}
-
-// Part 1 initial thought of recursion
-func blinkTimes(stones []int, times int) []int {
-	if times <= 0 {
-		return stones
-	}
-	result := blink(stones)
-	return blinkTimes(result, times-1)
-}
-
-func blink(stones []int) []int {
-	result := make([]int, 0)
-	for _, stone := range stones {
-		strStone := strconv.Itoa(stone)
-		if stone == 0 {
-			result = append(result, 1)
-		} else if len(strStone)%2 == 0 {
-			mid := len(strStone) / 2
-			firstHalf, _ := strconv.Atoi(strStone[:mid])
-			secondHalf, _ := strconv.Atoi(strStone[mid:])
-			result = append(result, firstHalf, secondHalf)
-		} else {
-			result = append(result, stone*2024)
-		}
-	}
-	return result
-}
-
-// Part 2 with maps since blinkTimes(75) would set my computer on fire
-func getNumStones(s []int, times int) int {
-	stoneMap := make(map[int]int)
-	for _, stone := range s {
-		stoneMap[stone] = stoneMap[stone] + 1
-	}
-
-	for i := 0; i < times; i++ {
-		stoneMap2 := make(map[int]int)
-		for stone, count := range stoneMap {
-			stones := make([]int, 0)
-			strStone := strconv.Itoa(stone)
-			if stone == 0 {
-				stones = append(stones, 1)
-			} else if len(strStone)%2 == 0 {
-				mid := len(strStone) / 2
-				firstHalf, _ := strconv.Atoi(strStone[:mid])
-				secondHalf, _ := strconv.Atoi(strStone[mid:])
-				stones = append(stones, firstHalf, secondHalf)
-			} else {
-				stones = append(stones, stone*2024)
-			}
-			for _, newStone := range stones {
-				stoneMap2[newStone] = stoneMap2[newStone] + count
-			}
-		}
-		stoneMap = stoneMap2
-	}
-
-	result := 0
-	for _, count := range stoneMap {
-		result += count
-	}
-	return result
-}
diff --git a/2024/gareth/day11/day11_test.go b/2024/gareth/day11/day11_test.go
deleted file mode 100644
index 56c3825..0000000
--- a/2024/gareth/day11/day11_test.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package day11
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`125 17`)
-	assert.Equal(t, 55312, r)
-}
diff --git a/2024/gareth/day11/input.txt b/2024/gareth/day11/input.txt
deleted file mode 100644
index ae72b37..0000000
--- a/2024/gareth/day11/input.txt
+++ /dev/null
@@ -1 +0,0 @@
-965842 9159 3372473 311 0 6 86213 48
\ No newline at end of file
diff --git a/2024/gareth/day13/day13.go b/2024/gareth/day13/day13.go
deleted file mode 100644
index 3d038b1..0000000
--- a/2024/gareth/day13/day13.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package day13
-
-import (
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-type ClawMachine struct {
-	Ax, Ay int
-	Bx, By int
-	Px, Py int
-}
-
-func Part1(input string) int {
-	clawMachines := parseInput(input)
-	total := 0
-	for _, c := range clawMachines {
-		x, y := solveSimEquations(c.Ax, c.Bx, c.Px, c.Ay, c.By, c.Py)
-		total += x*3 + y
-	}
-	return total
-}
-
-func Part2(input string) int {
-	clawMachines := parseInput(input)
-	total := 0
-	for _, c := range clawMachines {
-		prizeX, prizeY := c.Px+10000000000000, c.Py+10000000000000
-		det, x, y := c.Ax*c.By-c.Bx*c.Ay, prizeX*c.By-c.Bx*prizeY, c.Ax*prizeY-prizeX*c.Ay
-		if det != 0 && x == (x/det)*det && y == (y/det)*det {
-			total += (x/det)*3 + (y / det)
-		}
-	}
-
-	return total
-}
-
-func parseInput(input string) []ClawMachine {
-	clawMachines := strings.Split(strings.TrimSpace(input), "\n\n")
-	output := make([]ClawMachine, 0, len(clawMachines))
-	for _, c := range clawMachines {
-		var clawMachine ClawMachine
-		line := strings.Split(strings.TrimSpace(c), "\n")
-
-		re := regexp.MustCompile(`X\+(\d+), Y\+(\d+)`)
-		matches := re.FindStringSubmatch(line[0])
-		clawMachine.Ax, _ = strconv.Atoi(matches[1])
-		clawMachine.Ay, _ = strconv.Atoi(matches[2])
-
-		matches = re.FindStringSubmatch(line[1])
-		clawMachine.Bx, _ = strconv.Atoi(matches[1])
-		clawMachine.By, _ = strconv.Atoi(matches[2])
-
-		re = regexp.MustCompile(`X=(\d+), Y=(\d+)`)
-		matches = re.FindStringSubmatch(line[2])
-		clawMachine.Px, _ = strconv.Atoi(matches[1])
-		clawMachine.Py, _ = strconv.Atoi(matches[2])
-
-		output = append(output, clawMachine)
-	}
-	return output
-}
-
-func solveSimEquations(a1, b1, c1, a2, b2, c2 int) (int, int) {
-	det := a1*b2 - a2*b1
-	if det == 0 || (c1*b2-c2*b1)%det != 0 || (a1*c2-a2*c1)%det != 0 {
-		return 0, 0
-	}
-	x := (c1*b2 - c2*b1) / det
-	y := (a1*c2 - a2*c1) / det
-	if x < 0 || x > 100 || y < 0 || y > 100 {
-		return 0, 0
-	}
-	return x, y
-}
diff --git a/2024/gareth/day13/day13_test.go b/2024/gareth/day13/day13_test.go
deleted file mode 100644
index 209a74f..0000000
--- a/2024/gareth/day13/day13_test.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package day13
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`Button A: X+94, Y+34
-Button B: X+22, Y+67
-Prize: X=8400, Y=5400
-
-Button A: X+26, Y+66
-Button B: X+67, Y+21
-Prize: X=12748, Y=12176
-
-Button A: X+17, Y+86
-Button B: X+84, Y+37
-Prize: X=7870, Y=6450
-
-Button A: X+69, Y+23
-Button B: X+27, Y+71
-Prize: X=18641, Y=10279`)
-	assert.Equal(t, 480, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`Button A: X+94, Y+34
-Button B: X+22, Y+67
-Prize: X=8400, Y=5400
-
-Button A: X+26, Y+66
-Button B: X+67, Y+21
-Prize: X=12748, Y=12176
-
-Button A: X+17, Y+86
-Button B: X+84, Y+37
-Prize: X=7870, Y=6450
-
-Button A: X+69, Y+23
-Button B: X+27, Y+71
-Prize: X=18641, Y=10279`)
-	assert.Equal(t, 0, r)
-}
diff --git a/2024/gareth/day13/input.txt b/2024/gareth/day13/input.txt
deleted file mode 100644
index ad39ae5..0000000
--- a/2024/gareth/day13/input.txt
+++ /dev/null
@@ -1,1279 +0,0 @@
-Button A: X+54, Y+22
-Button B: X+36, Y+62
-Prize: X=19754, Y=14184
-
-Button A: X+20, Y+68
-Button B: X+34, Y+13
-Prize: X=15660, Y=15792
-
-Button A: X+63, Y+17
-Button B: X+11, Y+28
-Prize: X=2658, Y=11605
-
-Button A: X+15, Y+56
-Button B: X+74, Y+29
-Prize: X=9393, Y=11622
-
-Button A: X+34, Y+97
-Button B: X+83, Y+35
-Prize: X=3876, Y=4197
-
-Button A: X+14, Y+62
-Button B: X+75, Y+27
-Prize: X=12989, Y=4061
-
-Button A: X+46, Y+17
-Button B: X+15, Y+54
-Prize: X=15841, Y=336
-
-Button A: X+19, Y+61
-Button B: X+69, Y+12
-Prize: X=204, Y=7413
-
-Button A: X+34, Y+14
-Button B: X+29, Y+40
-Prize: X=2353, Y=10368
-
-Button A: X+64, Y+32
-Button B: X+25, Y+48
-Prize: X=3273, Y=304
-
-Button A: X+18, Y+60
-Button B: X+66, Y+30
-Prize: X=11594, Y=2330
-
-Button A: X+65, Y+47
-Button B: X+11, Y+29
-Prize: X=4677, Y=195
-
-Button A: X+13, Y+23
-Button B: X+42, Y+14
-Prize: X=7115, Y=12417
-
-Button A: X+81, Y+55
-Button B: X+26, Y+93
-Prize: X=2703, Y=5678
-
-Button A: X+50, Y+96
-Button B: X+74, Y+20
-Prize: X=8694, Y=9856
-
-Button A: X+19, Y+54
-Button B: X+74, Y+36
-Prize: X=6145, Y=9170
-
-Button A: X+45, Y+76
-Button B: X+43, Y+15
-Prize: X=4194, Y=5627
-
-Button A: X+28, Y+91
-Button B: X+94, Y+48
-Prize: X=2282, Y=2009
-
-Button A: X+70, Y+35
-Button B: X+33, Y+83
-Prize: X=4786, Y=3856
-
-Button A: X+14, Y+89
-Button B: X+38, Y+40
-Prize: X=2186, Y=3415
-
-Button A: X+55, Y+19
-Button B: X+43, Y+79
-Prize: X=4737, Y=2757
-
-Button A: X+32, Y+76
-Button B: X+60, Y+17
-Prize: X=11124, Y=5467
-
-Button A: X+33, Y+62
-Button B: X+50, Y+21
-Prize: X=4940, Y=12625
-
-Button A: X+56, Y+14
-Button B: X+48, Y+92
-Prize: X=2888, Y=962
-
-Button A: X+14, Y+58
-Button B: X+83, Y+30
-Prize: X=6249, Y=5488
-
-Button A: X+47, Y+83
-Button B: X+47, Y+11
-Prize: X=7153, Y=15685
-
-Button A: X+35, Y+68
-Button B: X+52, Y+16
-Prize: X=12241, Y=14956
-
-Button A: X+46, Y+72
-Button B: X+56, Y+25
-Prize: X=6054, Y=4401
-
-Button A: X+35, Y+57
-Button B: X+43, Y+14
-Prize: X=10516, Y=12390
-
-Button A: X+29, Y+56
-Button B: X+41, Y+25
-Prize: X=6288, Y=2319
-
-Button A: X+73, Y+19
-Button B: X+59, Y+86
-Prize: X=9965, Y=8669
-
-Button A: X+13, Y+43
-Button B: X+49, Y+13
-Prize: X=12137, Y=19559
-
-Button A: X+17, Y+65
-Button B: X+67, Y+22
-Prize: X=1910, Y=15266
-
-Button A: X+55, Y+27
-Button B: X+11, Y+43
-Prize: X=7767, Y=5007
-
-Button A: X+26, Y+18
-Button B: X+35, Y+94
-Prize: X=4719, Y=9616
-
-Button A: X+37, Y+81
-Button B: X+58, Y+13
-Prize: X=11010, Y=1876
-
-Button A: X+66, Y+43
-Button B: X+17, Y+88
-Prize: X=6227, Y=5057
-
-Button A: X+36, Y+66
-Button B: X+61, Y+31
-Prize: X=1642, Y=10702
-
-Button A: X+54, Y+17
-Button B: X+15, Y+50
-Prize: X=17444, Y=2332
-
-Button A: X+33, Y+74
-Button B: X+47, Y+16
-Prize: X=1127, Y=13206
-
-Button A: X+45, Y+93
-Button B: X+84, Y+43
-Prize: X=9867, Y=10858
-
-Button A: X+35, Y+99
-Button B: X+64, Y+33
-Prize: X=3780, Y=5511
-
-Button A: X+29, Y+62
-Button B: X+46, Y+24
-Prize: X=14412, Y=6932
-
-Button A: X+91, Y+18
-Button B: X+21, Y+20
-Prize: X=9303, Y=2474
-
-Button A: X+61, Y+34
-Button B: X+30, Y+75
-Prize: X=6835, Y=7015
-
-Button A: X+32, Y+82
-Button B: X+46, Y+12
-Prize: X=7126, Y=14580
-
-Button A: X+30, Y+47
-Button B: X+36, Y+11
-Prize: X=13922, Y=14563
-
-Button A: X+79, Y+39
-Button B: X+12, Y+43
-Prize: X=15040, Y=13839
-
-Button A: X+15, Y+14
-Button B: X+20, Y+81
-Prize: X=1075, Y=1502
-
-Button A: X+35, Y+80
-Button B: X+45, Y+11
-Prize: X=10380, Y=11870
-
-Button A: X+50, Y+36
-Button B: X+21, Y+58
-Prize: X=4389, Y=3546
-
-Button A: X+31, Y+95
-Button B: X+60, Y+14
-Prize: X=5432, Y=4076
-
-Button A: X+96, Y+20
-Button B: X+64, Y+77
-Prize: X=3424, Y=2687
-
-Button A: X+15, Y+51
-Button B: X+60, Y+26
-Prize: X=1505, Y=19741
-
-Button A: X+37, Y+12
-Button B: X+33, Y+78
-Prize: X=10344, Y=13604
-
-Button A: X+70, Y+93
-Button B: X+84, Y+21
-Prize: X=9184, Y=8034
-
-Button A: X+33, Y+85
-Button B: X+99, Y+59
-Prize: X=4356, Y=2988
-
-Button A: X+26, Y+27
-Button B: X+13, Y+60
-Prize: X=1105, Y=3240
-
-Button A: X+55, Y+31
-Button B: X+21, Y+46
-Prize: X=7181, Y=11070
-
-Button A: X+20, Y+54
-Button B: X+41, Y+32
-Prize: X=2979, Y=3400
-
-Button A: X+35, Y+19
-Button B: X+33, Y+60
-Prize: X=10334, Y=11024
-
-Button A: X+84, Y+21
-Button B: X+29, Y+79
-Prize: X=9575, Y=6340
-
-Button A: X+58, Y+24
-Button B: X+15, Y+64
-Prize: X=10518, Y=6264
-
-Button A: X+41, Y+12
-Button B: X+45, Y+69
-Prize: X=10120, Y=8966
-
-Button A: X+87, Y+28
-Button B: X+14, Y+67
-Prize: X=6242, Y=6571
-
-Button A: X+12, Y+28
-Button B: X+65, Y+24
-Prize: X=1515, Y=12044
-
-Button A: X+85, Y+24
-Button B: X+29, Y+37
-Prize: X=7600, Y=2434
-
-Button A: X+34, Y+92
-Button B: X+94, Y+69
-Prize: X=9882, Y=12282
-
-Button A: X+11, Y+37
-Button B: X+23, Y+12
-Prize: X=848, Y=8448
-
-Button A: X+52, Y+28
-Button B: X+33, Y+63
-Prize: X=3429, Y=6843
-
-Button A: X+57, Y+13
-Button B: X+56, Y+55
-Prize: X=4314, Y=1744
-
-Button A: X+81, Y+24
-Button B: X+12, Y+59
-Prize: X=13487, Y=6933
-
-Button A: X+72, Y+50
-Button B: X+15, Y+40
-Prize: X=8927, Y=9290
-
-Button A: X+68, Y+27
-Button B: X+16, Y+30
-Prize: X=2728, Y=2904
-
-Button A: X+66, Y+13
-Button B: X+54, Y+65
-Prize: X=6060, Y=1846
-
-Button A: X+56, Y+86
-Button B: X+88, Y+44
-Prize: X=5840, Y=4138
-
-Button A: X+44, Y+80
-Button B: X+46, Y+15
-Prize: X=15084, Y=8430
-
-Button A: X+50, Y+18
-Button B: X+13, Y+60
-Prize: X=6386, Y=6944
-
-Button A: X+15, Y+63
-Button B: X+67, Y+14
-Prize: X=12210, Y=802
-
-Button A: X+22, Y+65
-Button B: X+65, Y+33
-Prize: X=2817, Y=4983
-
-Button A: X+23, Y+37
-Button B: X+51, Y+11
-Prize: X=4351, Y=1387
-
-Button A: X+58, Y+39
-Button B: X+14, Y+50
-Prize: X=2678, Y=3343
-
-Button A: X+13, Y+80
-Button B: X+65, Y+68
-Prize: X=4784, Y=5536
-
-Button A: X+47, Y+93
-Button B: X+84, Y+33
-Prize: X=5496, Y=3948
-
-Button A: X+51, Y+13
-Button B: X+21, Y+58
-Prize: X=13064, Y=14007
-
-Button A: X+38, Y+22
-Button B: X+12, Y+26
-Prize: X=1962, Y=11422
-
-Button A: X+51, Y+13
-Button B: X+34, Y+62
-Prize: X=13062, Y=2106
-
-Button A: X+31, Y+11
-Button B: X+44, Y+78
-Prize: X=4550, Y=7654
-
-Button A: X+97, Y+27
-Button B: X+48, Y+63
-Prize: X=10321, Y=3816
-
-Button A: X+59, Y+17
-Button B: X+27, Y+78
-Prize: X=978, Y=18744
-
-Button A: X+68, Y+27
-Button B: X+25, Y+64
-Prize: X=2115, Y=1002
-
-Button A: X+19, Y+33
-Button B: X+91, Y+19
-Prize: X=7873, Y=2689
-
-Button A: X+39, Y+96
-Button B: X+47, Y+16
-Prize: X=5548, Y=8672
-
-Button A: X+58, Y+11
-Button B: X+20, Y+80
-Prize: X=4668, Y=4086
-
-Button A: X+13, Y+33
-Button B: X+56, Y+14
-Prize: X=3696, Y=1396
-
-Button A: X+21, Y+45
-Button B: X+34, Y+13
-Prize: X=15420, Y=12003
-
-Button A: X+12, Y+22
-Button B: X+77, Y+27
-Prize: X=2487, Y=1477
-
-Button A: X+58, Y+89
-Button B: X+70, Y+19
-Prize: X=5774, Y=1787
-
-Button A: X+25, Y+63
-Button B: X+53, Y+13
-Prize: X=13823, Y=19135
-
-Button A: X+45, Y+36
-Button B: X+34, Y+99
-Prize: X=6416, Y=9369
-
-Button A: X+81, Y+35
-Button B: X+18, Y+50
-Prize: X=4203, Y=5025
-
-Button A: X+81, Y+28
-Button B: X+12, Y+58
-Prize: X=2592, Y=5258
-
-Button A: X+57, Y+21
-Button B: X+19, Y+67
-Prize: X=19310, Y=9410
-
-Button A: X+62, Y+48
-Button B: X+25, Y+84
-Prize: X=1505, Y=2652
-
-Button A: X+98, Y+18
-Button B: X+20, Y+26
-Prize: X=9334, Y=1960
-
-Button A: X+23, Y+42
-Button B: X+33, Y+13
-Prize: X=11779, Y=4858
-
-Button A: X+12, Y+36
-Button B: X+75, Y+39
-Prize: X=4355, Y=8495
-
-Button A: X+20, Y+34
-Button B: X+37, Y+18
-Prize: X=10274, Y=2754
-
-Button A: X+89, Y+26
-Button B: X+18, Y+44
-Prize: X=4524, Y=1864
-
-Button A: X+11, Y+36
-Button B: X+53, Y+21
-Prize: X=18093, Y=17453
-
-Button A: X+48, Y+22
-Button B: X+47, Y+74
-Prize: X=8784, Y=8868
-
-Button A: X+29, Y+53
-Button B: X+45, Y+16
-Prize: X=12465, Y=10268
-
-Button A: X+47, Y+82
-Button B: X+65, Y+19
-Prize: X=4989, Y=3984
-
-Button A: X+98, Y+36
-Button B: X+52, Y+96
-Prize: X=1610, Y=1668
-
-Button A: X+31, Y+75
-Button B: X+63, Y+26
-Prize: X=1468, Y=2161
-
-Button A: X+14, Y+66
-Button B: X+47, Y+14
-Prize: X=5961, Y=12456
-
-Button A: X+20, Y+87
-Button B: X+70, Y+44
-Prize: X=1740, Y=3922
-
-Button A: X+52, Y+21
-Button B: X+16, Y+43
-Prize: X=3884, Y=7457
-
-Button A: X+93, Y+97
-Button B: X+91, Y+20
-Prize: X=2827, Y=851
-
-Button A: X+68, Y+15
-Button B: X+23, Y+63
-Prize: X=10422, Y=7157
-
-Button A: X+84, Y+68
-Button B: X+22, Y+86
-Prize: X=2696, Y=2728
-
-Button A: X+67, Y+34
-Button B: X+40, Y+83
-Prize: X=5256, Y=5865
-
-Button A: X+34, Y+49
-Button B: X+97, Y+12
-Prize: X=3687, Y=1352
-
-Button A: X+15, Y+90
-Button B: X+89, Y+21
-Prize: X=7432, Y=2013
-
-Button A: X+41, Y+13
-Button B: X+12, Y+50
-Prize: X=7134, Y=14486
-
-Button A: X+20, Y+28
-Button B: X+32, Y+13
-Prize: X=10032, Y=19165
-
-Button A: X+27, Y+77
-Button B: X+69, Y+13
-Prize: X=9554, Y=15260
-
-Button A: X+47, Y+23
-Button B: X+32, Y+54
-Prize: X=6409, Y=355
-
-Button A: X+56, Y+81
-Button B: X+64, Y+16
-Prize: X=7600, Y=5786
-
-Button A: X+46, Y+17
-Button B: X+37, Y+66
-Prize: X=7509, Y=14295
-
-Button A: X+18, Y+33
-Button B: X+64, Y+36
-Prize: X=16814, Y=12887
-
-Button A: X+22, Y+79
-Button B: X+92, Y+31
-Prize: X=3856, Y=5165
-
-Button A: X+43, Y+12
-Button B: X+30, Y+74
-Prize: X=1825, Y=17414
-
-Button A: X+74, Y+49
-Button B: X+28, Y+70
-Prize: X=6646, Y=9135
-
-Button A: X+85, Y+14
-Button B: X+12, Y+79
-Prize: X=1124, Y=3340
-
-Button A: X+60, Y+31
-Button B: X+11, Y+44
-Prize: X=14996, Y=12846
-
-Button A: X+62, Y+17
-Button B: X+12, Y+54
-Prize: X=17176, Y=5908
-
-Button A: X+73, Y+54
-Button B: X+21, Y+91
-Prize: X=4258, Y=4810
-
-Button A: X+32, Y+57
-Button B: X+36, Y+11
-Prize: X=412, Y=2137
-
-Button A: X+80, Y+65
-Button B: X+12, Y+63
-Prize: X=2060, Y=5135
-
-Button A: X+38, Y+19
-Button B: X+11, Y+30
-Prize: X=2771, Y=8832
-
-Button A: X+12, Y+63
-Button B: X+89, Y+94
-Prize: X=2441, Y=3484
-
-Button A: X+64, Y+42
-Button B: X+19, Y+44
-Prize: X=10186, Y=11248
-
-Button A: X+21, Y+47
-Button B: X+81, Y+42
-Prize: X=6363, Y=4491
-
-Button A: X+55, Y+70
-Button B: X+90, Y+13
-Prize: X=7855, Y=6037
-
-Button A: X+39, Y+78
-Button B: X+53, Y+19
-Prize: X=19180, Y=483
-
-Button A: X+11, Y+77
-Button B: X+74, Y+17
-Prize: X=6027, Y=1608
-
-Button A: X+71, Y+34
-Button B: X+20, Y+54
-Prize: X=1962, Y=12986
-
-Button A: X+19, Y+50
-Button B: X+57, Y+25
-Prize: X=19082, Y=12150
-
-Button A: X+54, Y+19
-Button B: X+13, Y+31
-Prize: X=1754, Y=19209
-
-Button A: X+77, Y+15
-Button B: X+17, Y+98
-Prize: X=7856, Y=7117
-
-Button A: X+86, Y+35
-Button B: X+18, Y+85
-Prize: X=6694, Y=6375
-
-Button A: X+14, Y+62
-Button B: X+63, Y+41
-Prize: X=1330, Y=4938
-
-Button A: X+92, Y+51
-Button B: X+38, Y+74
-Prize: X=6240, Y=8435
-
-Button A: X+14, Y+20
-Button B: X+86, Y+27
-Prize: X=4106, Y=2319
-
-Button A: X+54, Y+17
-Button B: X+36, Y+69
-Prize: X=6488, Y=2762
-
-Button A: X+82, Y+96
-Button B: X+82, Y+15
-Prize: X=4592, Y=2460
-
-Button A: X+14, Y+65
-Button B: X+71, Y+24
-Prize: X=9947, Y=3249
-
-Button A: X+33, Y+54
-Button B: X+23, Y+11
-Prize: X=7043, Y=12653
-
-Button A: X+35, Y+12
-Button B: X+16, Y+47
-Prize: X=7136, Y=7027
-
-Button A: X+11, Y+26
-Button B: X+39, Y+20
-Prize: X=8298, Y=1518
-
-Button A: X+50, Y+12
-Button B: X+13, Y+23
-Prize: X=1816, Y=2066
-
-Button A: X+17, Y+38
-Button B: X+63, Y+40
-Prize: X=9007, Y=7834
-
-Button A: X+55, Y+19
-Button B: X+11, Y+28
-Prize: X=14257, Y=9219
-
-Button A: X+55, Y+18
-Button B: X+11, Y+69
-Prize: X=1343, Y=5285
-
-Button A: X+19, Y+53
-Button B: X+74, Y+28
-Prize: X=2560, Y=1920
-
-Button A: X+12, Y+59
-Button B: X+39, Y+14
-Prize: X=5354, Y=317
-
-Button A: X+72, Y+14
-Button B: X+91, Y+86
-Prize: X=9387, Y=7358
-
-Button A: X+18, Y+84
-Button B: X+54, Y+48
-Prize: X=3852, Y=6960
-
-Button A: X+12, Y+69
-Button B: X+57, Y+12
-Prize: X=6488, Y=7169
-
-Button A: X+15, Y+30
-Button B: X+42, Y+15
-Prize: X=12671, Y=10775
-
-Button A: X+25, Y+12
-Button B: X+34, Y+96
-Prize: X=2435, Y=6348
-
-Button A: X+29, Y+12
-Button B: X+40, Y+66
-Prize: X=1315, Y=17804
-
-Button A: X+69, Y+26
-Button B: X+22, Y+56
-Prize: X=6670, Y=4708
-
-Button A: X+19, Y+42
-Button B: X+62, Y+21
-Prize: X=2458, Y=16769
-
-Button A: X+45, Y+17
-Button B: X+23, Y+38
-Prize: X=5151, Y=19084
-
-Button A: X+17, Y+33
-Button B: X+35, Y+14
-Prize: X=14888, Y=18170
-
-Button A: X+74, Y+36
-Button B: X+14, Y+57
-Prize: X=14816, Y=15158
-
-Button A: X+36, Y+14
-Button B: X+32, Y+60
-Prize: X=3368, Y=15472
-
-Button A: X+85, Y+19
-Button B: X+83, Y+89
-Prize: X=10387, Y=4717
-
-Button A: X+55, Y+18
-Button B: X+37, Y+68
-Prize: X=16050, Y=14820
-
-Button A: X+52, Y+21
-Button B: X+15, Y+49
-Prize: X=4037, Y=6619
-
-Button A: X+75, Y+11
-Button B: X+11, Y+51
-Prize: X=19531, Y=6083
-
-Button A: X+90, Y+21
-Button B: X+29, Y+38
-Prize: X=10125, Y=3768
-
-Button A: X+33, Y+70
-Button B: X+45, Y+20
-Prize: X=4805, Y=17590
-
-Button A: X+11, Y+28
-Button B: X+58, Y+33
-Prize: X=4190, Y=18722
-
-Button A: X+95, Y+50
-Button B: X+16, Y+70
-Prize: X=3754, Y=2530
-
-Button A: X+88, Y+19
-Button B: X+35, Y+84
-Prize: X=7511, Y=3227
-
-Button A: X+48, Y+12
-Button B: X+11, Y+31
-Prize: X=9355, Y=19551
-
-Button A: X+71, Y+40
-Button B: X+39, Y+96
-Prize: X=9850, Y=12656
-
-Button A: X+18, Y+46
-Button B: X+69, Y+53
-Prize: X=1584, Y=3308
-
-Button A: X+65, Y+26
-Button B: X+62, Y+89
-Prize: X=7671, Y=5829
-
-Button A: X+92, Y+51
-Button B: X+19, Y+41
-Prize: X=4806, Y=5650
-
-Button A: X+26, Y+98
-Button B: X+50, Y+39
-Prize: X=6268, Y=10174
-
-Button A: X+16, Y+64
-Button B: X+34, Y+12
-Prize: X=16854, Y=11364
-
-Button A: X+20, Y+69
-Button B: X+61, Y+23
-Prize: X=408, Y=12175
-
-Button A: X+49, Y+16
-Button B: X+11, Y+45
-Prize: X=17005, Y=1724
-
-Button A: X+82, Y+15
-Button B: X+92, Y+80
-Prize: X=15178, Y=8525
-
-Button A: X+98, Y+17
-Button B: X+32, Y+95
-Prize: X=4930, Y=5596
-
-Button A: X+74, Y+24
-Button B: X+63, Y+72
-Prize: X=4818, Y=1872
-
-Button A: X+63, Y+23
-Button B: X+29, Y+74
-Prize: X=4610, Y=2155
-
-Button A: X+14, Y+69
-Button B: X+46, Y+16
-Prize: X=5686, Y=14981
-
-Button A: X+12, Y+44
-Button B: X+73, Y+32
-Prize: X=1404, Y=2320
-
-Button A: X+16, Y+61
-Button B: X+36, Y+16
-Prize: X=19784, Y=1294
-
-Button A: X+79, Y+17
-Button B: X+11, Y+57
-Prize: X=18419, Y=19769
-
-Button A: X+27, Y+61
-Button B: X+32, Y+16
-Prize: X=11215, Y=8185
-
-Button A: X+80, Y+14
-Button B: X+55, Y+94
-Prize: X=6715, Y=3622
-
-Button A: X+13, Y+99
-Button B: X+67, Y+60
-Prize: X=1132, Y=5469
-
-Button A: X+11, Y+64
-Button B: X+68, Y+52
-Prize: X=1359, Y=3096
-
-Button A: X+16, Y+40
-Button B: X+60, Y+34
-Prize: X=4712, Y=2220
-
-Button A: X+50, Y+11
-Button B: X+12, Y+60
-Prize: X=15794, Y=4259
-
-Button A: X+38, Y+17
-Button B: X+29, Y+54
-Prize: X=1335, Y=6160
-
-Button A: X+36, Y+59
-Button B: X+93, Y+32
-Prize: X=6990, Y=6880
-
-Button A: X+29, Y+97
-Button B: X+62, Y+55
-Prize: X=3255, Y=5097
-
-Button A: X+25, Y+21
-Button B: X+22, Y+73
-Prize: X=3307, Y=5831
-
-Button A: X+15, Y+75
-Button B: X+87, Y+82
-Prize: X=2655, Y=6215
-
-Button A: X+22, Y+82
-Button B: X+74, Y+39
-Prize: X=4198, Y=6648
-
-Button A: X+41, Y+61
-Button B: X+36, Y+11
-Prize: X=7347, Y=17092
-
-Button A: X+82, Y+51
-Button B: X+19, Y+60
-Prize: X=1729, Y=1509
-
-Button A: X+43, Y+13
-Button B: X+49, Y+76
-Prize: X=8520, Y=7788
-
-Button A: X+97, Y+24
-Button B: X+46, Y+51
-Prize: X=1349, Y=1245
-
-Button A: X+84, Y+38
-Button B: X+13, Y+51
-Prize: X=10408, Y=4606
-
-Button A: X+48, Y+97
-Button B: X+80, Y+28
-Prize: X=9584, Y=8808
-
-Button A: X+13, Y+32
-Button B: X+76, Y+43
-Prize: X=16226, Y=18495
-
-Button A: X+14, Y+33
-Button B: X+78, Y+54
-Prize: X=1852, Y=2028
-
-Button A: X+11, Y+30
-Button B: X+73, Y+37
-Prize: X=7433, Y=18454
-
-Button A: X+23, Y+56
-Button B: X+31, Y+16
-Prize: X=12525, Y=3816
-
-Button A: X+55, Y+16
-Button B: X+21, Y+68
-Prize: X=16009, Y=16852
-
-Button A: X+17, Y+47
-Button B: X+76, Y+37
-Prize: X=6637, Y=12724
-
-Button A: X+74, Y+88
-Button B: X+59, Y+12
-Prize: X=9928, Y=6688
-
-Button A: X+26, Y+87
-Button B: X+32, Y+21
-Prize: X=1790, Y=3063
-
-Button A: X+25, Y+71
-Button B: X+56, Y+19
-Prize: X=1849, Y=5946
-
-Button A: X+51, Y+76
-Button B: X+59, Y+28
-Prize: X=7997, Y=6644
-
-Button A: X+53, Y+28
-Button B: X+32, Y+62
-Prize: X=5323, Y=6228
-
-Button A: X+33, Y+69
-Button B: X+39, Y+18
-Prize: X=575, Y=13307
-
-Button A: X+93, Y+15
-Button B: X+56, Y+55
-Prize: X=7024, Y=3845
-
-Button A: X+21, Y+53
-Button B: X+68, Y+24
-Prize: X=5268, Y=7924
-
-Button A: X+13, Y+51
-Button B: X+78, Y+27
-Prize: X=15733, Y=10982
-
-Button A: X+12, Y+79
-Button B: X+50, Y+11
-Prize: X=7094, Y=2854
-
-Button A: X+21, Y+83
-Button B: X+90, Y+69
-Prize: X=2607, Y=5143
-
-Button A: X+94, Y+16
-Button B: X+25, Y+54
-Prize: X=10271, Y=6474
-
-Button A: X+80, Y+14
-Button B: X+12, Y+69
-Prize: X=15888, Y=10392
-
-Button A: X+58, Y+37
-Button B: X+15, Y+54
-Prize: X=1422, Y=3573
-
-Button A: X+13, Y+28
-Button B: X+59, Y+29
-Prize: X=2235, Y=12810
-
-Button A: X+11, Y+32
-Button B: X+58, Y+13
-Prize: X=438, Y=6564
-
-Button A: X+14, Y+72
-Button B: X+93, Y+84
-Prize: X=4137, Y=7476
-
-Button A: X+63, Y+29
-Button B: X+27, Y+54
-Prize: X=4319, Y=1669
-
-Button A: X+86, Y+28
-Button B: X+30, Y+60
-Prize: X=5710, Y=2060
-
-Button A: X+15, Y+54
-Button B: X+52, Y+19
-Prize: X=9815, Y=1199
-
-Button A: X+24, Y+63
-Button B: X+57, Y+20
-Prize: X=16160, Y=12588
-
-Button A: X+19, Y+37
-Button B: X+57, Y+33
-Prize: X=2324, Y=15332
-
-Button A: X+25, Y+14
-Button B: X+31, Y+56
-Prize: X=7136, Y=17336
-
-Button A: X+66, Y+29
-Button B: X+25, Y+57
-Prize: X=13681, Y=16936
-
-Button A: X+36, Y+93
-Button B: X+84, Y+56
-Prize: X=6720, Y=11242
-
-Button A: X+92, Y+41
-Button B: X+18, Y+96
-Prize: X=1396, Y=1150
-
-Button A: X+12, Y+38
-Button B: X+63, Y+28
-Prize: X=19403, Y=12776
-
-Button A: X+72, Y+28
-Button B: X+13, Y+37
-Prize: X=5137, Y=3113
-
-Button A: X+90, Y+72
-Button B: X+91, Y+13
-Prize: X=5795, Y=2543
-
-Button A: X+28, Y+13
-Button B: X+31, Y+49
-Prize: X=16418, Y=9287
-
-Button A: X+17, Y+33
-Button B: X+64, Y+32
-Prize: X=11422, Y=2206
-
-Button A: X+71, Y+22
-Button B: X+16, Y+45
-Prize: X=2918, Y=7791
-
-Button A: X+15, Y+36
-Button B: X+55, Y+35
-Prize: X=7930, Y=7704
-
-Button A: X+57, Y+65
-Button B: X+95, Y+17
-Prize: X=11818, Y=4800
-
-Button A: X+22, Y+46
-Button B: X+33, Y+21
-Prize: X=1232, Y=1040
-
-Button A: X+34, Y+98
-Button B: X+85, Y+39
-Prize: X=7582, Y=9494
-
-Button A: X+63, Y+15
-Button B: X+15, Y+47
-Prize: X=13439, Y=17391
-
-Button A: X+20, Y+41
-Button B: X+38, Y+23
-Prize: X=2052, Y=10086
-
-Button A: X+14, Y+66
-Button B: X+84, Y+28
-Prize: X=16902, Y=10730
-
-Button A: X+27, Y+12
-Button B: X+17, Y+43
-Prize: X=9367, Y=12201
-
-Button A: X+30, Y+49
-Button B: X+40, Y+20
-Prize: X=8430, Y=10049
-
-Button A: X+82, Y+22
-Button B: X+46, Y+97
-Prize: X=3798, Y=4236
-
-Button A: X+56, Y+55
-Button B: X+94, Y+13
-Prize: X=6522, Y=5533
-
-Button A: X+39, Y+41
-Button B: X+59, Y+16
-Prize: X=4261, Y=3559
-
-Button A: X+59, Y+18
-Button B: X+11, Y+63
-Prize: X=15316, Y=10169
-
-Button A: X+59, Y+55
-Button B: X+20, Y+98
-Prize: X=375, Y=667
-
-Button A: X+11, Y+93
-Button B: X+64, Y+67
-Prize: X=6699, Y=14917
-
-Button A: X+13, Y+46
-Button B: X+48, Y+15
-Prize: X=1661, Y=1232
-
-Button A: X+36, Y+99
-Button B: X+85, Y+42
-Prize: X=2224, Y=3048
-
-Button A: X+11, Y+75
-Button B: X+28, Y+22
-Prize: X=2614, Y=6168
-
-Button A: X+21, Y+97
-Button B: X+94, Y+81
-Prize: X=7763, Y=8662
-
-Button A: X+34, Y+13
-Button B: X+26, Y+42
-Prize: X=8612, Y=15869
-
-Button A: X+39, Y+71
-Button B: X+31, Y+13
-Prize: X=19737, Y=5345
-
-Button A: X+21, Y+60
-Button B: X+75, Y+30
-Prize: X=10448, Y=18140
-
-Button A: X+24, Y+49
-Button B: X+47, Y+17
-Prize: X=7371, Y=12446
-
-Button A: X+56, Y+86
-Button B: X+94, Y+41
-Prize: X=3570, Y=4759
-
-Button A: X+14, Y+50
-Button B: X+54, Y+28
-Prize: X=19392, Y=1330
-
-Button A: X+20, Y+67
-Button B: X+52, Y+13
-Prize: X=1000, Y=3692
-
-Button A: X+14, Y+26
-Button B: X+50, Y+21
-Prize: X=7114, Y=9374
-
-Button A: X+19, Y+55
-Button B: X+39, Y+16
-Prize: X=15710, Y=8361
-
-Button A: X+56, Y+14
-Button B: X+63, Y+96
-Prize: X=4851, Y=3540
-
-Button A: X+33, Y+67
-Button B: X+54, Y+24
-Prize: X=5447, Y=1189
-
-Button A: X+39, Y+84
-Button B: X+89, Y+24
-Prize: X=10312, Y=8292
-
-Button A: X+51, Y+19
-Button B: X+53, Y+74
-Prize: X=4001, Y=3498
-
-Button A: X+67, Y+43
-Button B: X+11, Y+36
-Prize: X=4764, Y=9202
-
-Button A: X+21, Y+62
-Button B: X+54, Y+22
-Prize: X=4434, Y=2234
-
-Button A: X+89, Y+87
-Button B: X+24, Y+88
-Prize: X=6501, Y=7323
-
-Button A: X+54, Y+29
-Button B: X+28, Y+51
-Prize: X=13224, Y=17258
-
-Button A: X+62, Y+45
-Button B: X+39, Y+94
-Prize: X=4796, Y=9262
-
-Button A: X+45, Y+23
-Button B: X+12, Y+52
-Prize: X=11084, Y=11636
-
-Button A: X+22, Y+37
-Button B: X+48, Y+25
-Prize: X=5514, Y=11182
-
-Button A: X+15, Y+38
-Button B: X+75, Y+39
-Prize: X=16520, Y=17711
-
-Button A: X+78, Y+11
-Button B: X+49, Y+92
-Prize: X=9365, Y=6341
-
-Button A: X+98, Y+14
-Button B: X+13, Y+64
-Prize: X=5741, Y=2498
-
-Button A: X+13, Y+63
-Button B: X+61, Y+20
-Prize: X=13770, Y=14824
-
-Button A: X+21, Y+38
-Button B: X+62, Y+37
-Prize: X=17864, Y=15513
-
-Button A: X+24, Y+21
-Button B: X+15, Y+62
-Prize: X=1476, Y=4224
-
-Button A: X+16, Y+75
-Button B: X+52, Y+12
-Prize: X=468, Y=8849
-
-Button A: X+14, Y+41
-Button B: X+46, Y+22
-Prize: X=2040, Y=1353
-
-Button A: X+49, Y+16
-Button B: X+29, Y+54
-Prize: X=10446, Y=18614
-
-Button A: X+11, Y+69
-Button B: X+75, Y+18
-Prize: X=10963, Y=2327
-
-Button A: X+37, Y+64
-Button B: X+47, Y+20
-Prize: X=18201, Y=3324
-
-Button A: X+99, Y+14
-Button B: X+87, Y+75
-Prize: X=14862, Y=6177
-
-Button A: X+12, Y+58
-Button B: X+82, Y+33
-Prize: X=7438, Y=6507
-
-Button A: X+72, Y+13
-Button B: X+13, Y+79
-Prize: X=14160, Y=11952
-
-Button A: X+24, Y+55
-Button B: X+73, Y+39
-Prize: X=12196, Y=4761
-
-Button A: X+47, Y+28
-Button B: X+21, Y+52
-Prize: X=969, Y=9732
-
-Button A: X+57, Y+29
-Button B: X+15, Y+30
-Prize: X=17750, Y=13700
-
-Button A: X+40, Y+23
-Button B: X+13, Y+26
-Prize: X=13248, Y=14881
-
-Button A: X+68, Y+13
-Button B: X+85, Y+90
-Prize: X=9707, Y=6207
-
-Button A: X+47, Y+23
-Button B: X+19, Y+57
-Prize: X=2226, Y=13254
\ No newline at end of file
diff --git a/2024/gareth/day14/day14.go b/2024/gareth/day14/day14.go
deleted file mode 100644
index d16f089..0000000
--- a/2024/gareth/day14/day14.go
+++ /dev/null
@@ -1,172 +0,0 @@
-package day14
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-)
-
-type Robot struct {
-	px, py int // position
-	vx, vy int // velocity
-}
-
-func Part1(input string) int {
-	// Parse the input
-	lines := strings.Split(input, "\n")
-	var robots []Robot
-	for _, line := range lines {
-		robot := ParseRobot(line)
-		robots = append(robots, robot)
-	}
-
-	// Define grid size
-	gridWidth := 101
-	gridHeight := 103
-
-	// Update robot positions for 100 seconds
-	for i := 0; i < 100; i++ {
-		for j := range robots {
-			robots[j].UpdatePosition(gridWidth, gridHeight)
-		}
-	}
-
-	// Count the robots in each quadrant
-	q1, q2, q3, q4 := CountRobotsInQuadrants(robots, gridWidth, gridHeight)
-	fmt.Printf("Quadrant counts: Q1=%d, Q2=%d, Q3=%d, Q4=%d\n", q1, q2, q3, q4)
-
-	// Calculate the safety factor
-	safetyFactor := CalculateSafetyFactor(q1, q2, q3, q4)
-	fmt.Printf("Safety Factor: %d\n", safetyFactor)
-	return safetyFactor
-}
-
-func Part2(input string) int {
-	// Parse the input
-	lines := strings.Split(input, "\n")
-	var robots []Robot
-	for _, line := range lines {
-		robot := ParseRobot(line)
-		robots = append(robots, robot)
-	}
-
-	// Define grid size
-	gridWidth := 101
-	gridHeight := 103
-
-	// Update robot positions for 100 seconds
-	for i := 0; i < 6285; i++ {
-		for j := range robots {
-			robots[j].UpdatePosition(gridWidth, gridHeight)
-		}
-	}
-
-	DisplayGrid(robots, gridWidth, gridHeight)
-	return 2
-}
-
-// ParseRobot takes a line of input and converts it to a Robot struct
-func ParseRobot(line string) Robot {
-	parts := strings.Split(line, " ")
-	posParts := strings.Split(parts[0][2:], ",") // Extract p=x,y and split
-	velParts := strings.Split(parts[1][2:], ",") // Extract v=x,y and split
-
-	px, _ := strconv.Atoi(posParts[0])
-	py, _ := strconv.Atoi(posParts[1])
-	vx, _ := strconv.Atoi(velParts[0])
-	vy, _ := strconv.Atoi(velParts[1])
-
-	return Robot{px, py, vx, vy}
-}
-
-// UpdatePosition updates the position of a robot, considering the wrap-around
-func (r *Robot) UpdatePosition(gridWidth, gridHeight int) {
-	r.px = (r.px + r.vx + gridWidth) % gridWidth
-	r.py = (r.py + r.vy + gridHeight) % gridHeight
-}
-
-// CountRobotsInQuadrants counts the number of robots in each of the four quadrants
-func CountRobotsInQuadrants(robots []Robot, width, height int) (int, int, int, int) {
-	midX := width / 2
-	midY := height / 2
-
-	q1, q2, q3, q4 := 0, 0, 0, 0
-
-	for _, r := range robots {
-		if r.px == midX || r.py == midY {
-			// Skip robots on the middle line
-			continue
-		}
-		if r.px < midX && r.py < midY {
-			q1++ // Top-left quadrant
-		} else if r.px > midX && r.py < midY {
-			q2++ // Top-right quadrant
-		} else if r.px < midX && r.py > midY {
-			q3++ // Bottom-left quadrant
-		} else if r.px > midX && r.py > midY {
-			q4++ // Bottom-right quadrant
-		}
-	}
-
-	return q1, q2, q3, q4
-}
-
-// CalculateSafetyFactor multiplies the number of robots in each quadrant
-func CalculateSafetyFactor(q1, q2, q3, q4 int) int {
-	return q1 * q2 * q3 * q4
-}
-
-// DisplayGrid displays the current state of the grid
-func DisplayGrid(robots []Robot, width, height int) {
-	grid := make([][]rune, height)
-	for i := range grid {
-		grid[i] = make([]rune, width)
-		for j := range grid[i] {
-			grid[i][j] = '.'
-		}
-	}
-	for _, r := range robots {
-		grid[r.py][r.px] = '#'
-	}
-	for _, row := range grid {
-		fmt.Println(string(row))
-	}
-}
-
-// FindEasterEgg determines the fewest number of seconds that must elapse for the robots to display the Easter egg
-func FindEasterEgg(robots []Robot, width, height int) int {
-	smallestArea := width * height
-	bestTime := 0
-	for t := 6285; t < 6286; t++ { // Large upper limit to search
-		// Update robot positions
-		for i := range robots {
-			robots[i].UpdatePosition(width, height)
-		}
-		// Calculate the bounding box of all robot positions
-		minX, minY := width, height
-		maxX, maxY := 0, 0
-		for _, r := range robots {
-			if r.px < minX {
-				minX = r.px
-			}
-			if r.px > maxX {
-				maxX = r.px
-			}
-			if r.py < minY {
-				minY = r.py
-			}
-			if r.py > maxY {
-				maxY = r.py
-			}
-		}
-
-		area := (maxX - minX + 1) * (maxY - minY + 1)
-		if area < smallestArea {
-			smallestArea = area
-			bestTime = t + 1
-			fmt.Printf("Time: %d\n", bestTime)
-			DisplayGrid(robots, width, height)
-		}
-	}
-	return bestTime
-}
diff --git a/2024/gareth/day14/day14_test.go b/2024/gareth/day14/day14_test.go
deleted file mode 100644
index ebb51a5..0000000
--- a/2024/gareth/day14/day14_test.go
+++ /dev/null
@@ -1,23 +0,0 @@
-package day14
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`p=0,4 v=3,-3
-p=6,3 v=-1,-3
-p=10,3 v=-1,2
-p=2,0 v=2,-1
-p=0,0 v=1,3
-p=3,0 v=-2,-2
-p=7,6 v=-1,-3
-p=3,0 v=-1,-2
-p=9,3 v=2,3
-p=7,3 v=-1,2
-p=2,4 v=2,-3
-p=9,5 v=-3,-3`)
-	assert.Equal(t, 12, r)
-}
diff --git a/2024/gareth/day14/input.txt b/2024/gareth/day14/input.txt
deleted file mode 100644
index e1a6d0a..0000000
--- a/2024/gareth/day14/input.txt
+++ /dev/null
@@ -1,500 +0,0 @@
-p=38,76 v=-61,88
-p=28,22 v=-43,-40
-p=76,78 v=-98,87
-p=39,56 v=10,96
-p=38,0 v=79,-15
-p=6,44 v=-88,53
-p=40,80 v=-83,31
-p=11,2 v=28,-31
-p=41,91 v=-86,-48
-p=8,55 v=-81,95
-p=77,19 v=3,-90
-p=94,73 v=-59,42
-p=51,53 v=35,48
-p=12,52 v=72,6
-p=62,61 v=96,47
-p=78,62 v=47,-57
-p=39,54 v=53,50
-p=1,43 v=-64,-46
-p=9,21 v=28,-36
-p=92,79 v=67,-47
-p=6,15 v=-58,-48
-p=54,67 v=99,-38
-p=96,99 v=-55,30
-p=90,44 v=-10,-8
-p=23,84 v=20,77
-p=5,84 v=28,88
-p=55,20 v=-31,-36
-p=84,43 v=-37,-41
-p=12,75 v=-38,30
-p=39,2 v=-12,-29
-p=74,14 v=56,-81
-p=63,53 v=22,-53
-p=51,28 v=9,-90
-p=53,72 v=48,-61
-p=33,42 v=-43,23
-p=75,18 v=-89,-37
-p=38,83 v=27,38
-p=69,31 v=61,80
-p=73,3 v=-45,74
-p=39,29 v=92,17
-p=78,45 v=-23,-47
-p=48,59 v=-57,38
-p=2,41 v=-71,-93
-p=30,13 v=36,-82
-p=37,57 v=25,13
-p=51,73 v=56,-98
-p=76,78 v=38,91
-p=56,49 v=22,55
-p=34,47 v=10,84
-p=83,93 v=81,-16
-p=14,70 v=71,-50
-p=97,74 v=-4,70
-p=33,8 v=93,-35
-p=39,70 v=-2,19
-p=94,63 v=20,44
-p=86,4 v=-33,19
-p=17,67 v=26,44
-p=39,2 v=-70,-25
-p=47,56 v=-79,-55
-p=5,98 v=86,-75
-p=53,21 v=79,-89
-p=53,85 v=61,73
-p=46,32 v=66,54
-p=30,75 v=49,-73
-p=44,81 v=-61,-69
-p=82,66 v=-72,-6
-p=89,76 v=-13,98
-p=57,87 v=30,36
-p=12,41 v=59,-40
-p=36,56 v=10,-61
-p=60,80 v=48,39
-p=50,75 v=-44,42
-p=66,56 v=-93,-1
-p=57,96 v=83,-79
-p=98,88 v=-15,-16
-p=0,63 v=59,44
-p=90,27 v=29,-40
-p=21,60 v=-86,2
-p=85,13 v=11,61
-p=92,77 v=24,-34
-p=16,24 v=80,4
-p=47,8 v=-79,-49
-p=1,28 v=-82,-48
-p=80,55 v=6,-72
-p=60,94 v=-67,-15
-p=83,90 v=-98,78
-p=3,75 v=46,-66
-p=93,40 v=15,11
-p=52,37 v=48,7
-p=23,4 v=-47,25
-p=46,43 v=57,-98
-p=23,12 v=-98,-36
-p=11,42 v=-83,50
-p=80,33 v=25,54
-p=59,95 v=-1,36
-p=55,67 v=-44,-60
-p=90,80 v=83,-39
-p=57,61 v=-1,96
-p=51,79 v=31,39
-p=28,89 v=85,35
-p=12,98 v=28,-80
-p=25,61 v=-95,-50
-p=77,84 v=-37,78
-p=50,80 v=66,89
-p=93,32 v=-15,-45
-p=30,4 v=-96,-29
-p=81,95 v=14,-66
-p=23,3 v=42,-16
-p=33,69 v=-96,-10
-p=28,23 v=-43,68
-p=77,25 v=-45,-41
-p=27,96 v=-69,-32
-p=41,15 v=-53,-35
-p=66,81 v=-22,5
-p=5,15 v=13,-95
-p=88,1 v=-59,-26
-p=48,41 v=16,-19
-p=88,75 v=33,46
-p=21,9 v=-64,-86
-p=36,4 v=-16,-95
-p=68,22 v=-5,65
-p=8,43 v=-34,46
-p=71,68 v=-49,-59
-p=37,92 v=-48,-18
-p=59,43 v=-21,-10
-p=69,31 v=30,58
-p=90,77 v=46,-74
-p=42,42 v=-76,20
-p=58,34 v=78,55
-p=18,10 v=33,2
-p=23,92 v=45,-69
-p=23,45 v=-32,27
-p=63,50 v=39,-96
-p=8,72 v=-34,85
-p=22,102 v=-69,26
-p=73,14 v=-45,-38
-p=65,54 v=-51,68
-p=99,29 v=-16,67
-p=29,60 v=15,-19
-p=85,76 v=-54,80
-p=21,23 v=-3,-47
-p=9,37 v=94,-44
-p=99,77 v=48,80
-p=48,47 v=18,56
-p=26,61 v=36,-57
-p=80,58 v=56,90
-p=37,6 v=53,-90
-p=47,15 v=53,60
-p=4,79 v=70,52
-p=35,8 v=31,12
-p=18,8 v=25,-30
-p=80,38 v=33,45
-p=23,26 v=-69,61
-p=10,35 v=-78,-96
-p=53,17 v=48,-34
-p=24,45 v=72,-2
-p=65,75 v=-1,-38
-p=5,72 v=-49,39
-p=63,87 v=-27,-16
-p=0,46 v=-34,73
-p=14,46 v=55,-15
-p=28,70 v=45,92
-p=29,30 v=89,10
-p=98,31 v=-46,-89
-p=1,85 v=-77,82
-p=30,79 v=-43,28
-p=29,70 v=-81,65
-p=51,97 v=13,-25
-p=76,19 v=-23,18
-p=36,83 v=-17,91
-p=52,34 v=-39,-98
-p=35,46 v=-43,55
-p=97,13 v=-99,-26
-p=40,26 v=27,13
-p=18,38 v=89,57
-p=45,57 v=-79,-52
-p=86,76 v=-54,-64
-p=12,38 v=28,55
-p=6,56 v=-86,97
-p=85,100 v=-41,-22
-p=4,34 v=28,-95
-p=89,33 v=-4,-73
-p=82,20 v=-33,-15
-p=98,5 v=31,43
-p=85,81 v=73,88
-p=13,42 v=-90,-49
-p=93,60 v=-91,-64
-p=56,7 v=-5,64
-p=9,5 v=45,76
-p=61,4 v=74,86
-p=23,53 v=-7,3
-p=89,21 v=-38,-74
-p=13,44 v=-86,10
-p=96,62 v=-11,96
-p=5,98 v=-22,3
-p=26,26 v=-73,-93
-p=52,95 v=-5,42
-p=62,50 v=-57,-7
-p=11,2 v=41,-77
-p=23,73 v=-2,-97
-p=34,77 v=-47,-71
-p=91,58 v=99,43
-p=41,74 v=-53,42
-p=75,102 v=55,-81
-p=89,95 v=30,8
-p=76,28 v=-80,12
-p=82,27 v=-43,77
-p=62,63 v=-97,21
-p=94,73 v=-58,14
-p=13,35 v=-47,-46
-p=56,0 v=61,25
-p=94,39 v=11,8
-p=96,53 v=77,-53
-p=23,78 v=-43,-7
-p=24,51 v=-74,-86
-p=77,33 v=60,8
-p=84,71 v=-76,19
-p=78,96 v=82,3
-p=61,92 v=-58,-30
-p=9,75 v=94,-34
-p=89,13 v=7,-26
-p=16,67 v=-25,96
-p=95,43 v=-25,-54
-p=39,62 v=18,-40
-p=41,36 v=17,-65
-p=2,42 v=86,-10
-p=29,54 v=55,-2
-p=51,74 v=-44,92
-p=75,40 v=-36,-96
-p=60,15 v=-93,-84
-p=44,33 v=44,8
-p=88,51 v=85,-94
-p=26,60 v=43,62
-p=94,22 v=-81,-98
-p=4,50 v=-94,-96
-p=87,47 v=-55,3
-p=15,80 v=33,-14
-p=4,48 v=-24,-48
-p=57,36 v=-18,-98
-p=87,12 v=76,63
-p=53,17 v=-91,-81
-p=17,96 v=53,6
-p=91,40 v=95,-46
-p=23,28 v=-55,55
-p=81,7 v=-54,16
-p=62,102 v=-97,-77
-p=42,31 v=80,-41
-p=99,53 v=-72,57
-p=17,29 v=98,58
-p=24,57 v=84,-48
-p=98,101 v=-33,-30
-p=77,82 v=-36,-25
-p=44,8 v=83,18
-p=27,35 v=-27,16
-p=95,58 v=-29,52
-p=87,40 v=60,-91
-p=66,1 v=17,24
-p=17,11 v=63,21
-p=67,77 v=-23,-11
-p=91,30 v=-59,64
-p=22,34 v=7,84
-p=55,90 v=48,29
-p=45,45 v=31,50
-p=12,34 v=65,-86
-p=40,48 v=18,-1
-p=39,42 v=75,11
-p=28,27 v=63,-49
-p=93,44 v=-81,3
-p=8,78 v=-51,-15
-p=6,37 v=-51,-42
-p=73,89 v=-45,23
-p=2,80 v=-23,50
-p=93,37 v=55,-44
-p=16,52 v=-54,35
-p=15,17 v=-33,74
-p=84,37 v=-6,-48
-p=13,47 v=50,-48
-p=88,34 v=-79,-39
-p=16,68 v=50,94
-p=20,78 v=-99,29
-p=100,20 v=77,64
-p=79,2 v=-91,30
-p=52,0 v=-95,-86
-p=4,84 v=79,35
-p=13,74 v=19,-66
-p=57,55 v=-9,-63
-p=21,30 v=19,-94
-p=50,37 v=-66,4
-p=9,56 v=94,95
-p=91,59 v=55,-65
-p=77,15 v=34,-33
-p=5,100 v=81,-26
-p=26,96 v=-34,83
-p=36,64 v=-44,94
-p=37,65 v=-70,51
-p=74,6 v=25,-93
-p=33,78 v=-17,-48
-p=0,33 v=-6,-39
-p=3,55 v=-11,96
-p=32,19 v=-8,-33
-p=60,53 v=-5,-55
-p=75,62 v=56,45
-p=74,71 v=12,-66
-p=50,74 v=-53,91
-p=24,90 v=-19,-57
-p=58,53 v=31,5
-p=13,95 v=-33,20
-p=30,98 v=41,-70
-p=54,78 v=71,-43
-p=78,73 v=26,53
-p=66,30 v=-49,60
-p=81,87 v=-24,-15
-p=28,27 v=-31,11
-p=75,18 v=-89,10
-p=76,82 v=-89,-66
-p=44,65 v=-17,98
-p=17,42 v=-7,-5
-p=75,92 v=-54,32
-p=95,10 v=-28,-76
-p=20,36 v=-22,-62
-p=100,0 v=11,21
-p=37,39 v=5,-46
-p=80,50 v=-63,7
-p=77,28 v=-98,2
-p=61,41 v=-1,-40
-p=88,78 v=95,-17
-p=83,1 v=47,-30
-p=47,67 v=-30,-9
-p=14,81 v=-38,82
-p=40,97 v=-31,76
-p=76,27 v=37,-70
-p=25,73 v=80,35
-p=88,84 v=-33,77
-p=60,71 v=83,35
-p=14,93 v=-3,-25
-p=40,45 v=-35,4
-p=34,35 v=15,19
-p=87,100 v=90,-66
-p=20,90 v=-42,-68
-p=90,44 v=50,-52
-p=43,77 v=31,89
-p=99,81 v=33,-12
-p=28,35 v=58,-37
-p=37,52 v=57,6
-p=48,65 v=-66,23
-p=63,21 v=39,-35
-p=91,77 v=-15,-70
-p=27,28 v=93,-94
-p=18,61 v=-99,38
-p=56,36 v=-98,81
-p=90,75 v=-72,-67
-p=86,21 v=-13,-46
-p=20,88 v=89,-74
-p=17,41 v=-82,-98
-p=28,65 v=45,-72
-p=85,15 v=35,41
-p=39,43 v=-2,-36
-p=93,72 v=-94,91
-p=90,73 v=-64,77
-p=83,43 v=-94,-99
-p=50,59 v=-49,51
-p=58,25 v=13,-36
-p=25,102 v=-44,-54
-p=100,86 v=16,-23
-p=45,42 v=21,-90
-p=9,29 v=-13,18
-p=24,41 v=1,-47
-p=69,33 v=-58,55
-p=80,52 v=52,-2
-p=82,77 v=82,-11
-p=86,78 v=-41,-69
-p=89,58 v=69,-13
-p=12,91 v=-55,-65
-p=69,40 v=-93,59
-p=8,26 v=2,19
-p=21,47 v=19,3
-p=38,20 v=25,-83
-p=20,99 v=54,31
-p=20,74 v=-14,-30
-p=51,83 v=-40,24
-p=61,30 v=-27,-94
-p=84,19 v=-28,69
-p=28,33 v=-65,3
-p=58,91 v=-93,-18
-p=33,78 v=22,92
-p=86,53 v=63,-43
-p=53,79 v=-26,-42
-p=83,16 v=94,56
-p=21,0 v=-64,-35
-p=48,80 v=-97,79
-p=62,18 v=29,71
-p=17,13 v=-69,-36
-p=1,93 v=19,75
-p=7,75 v=41,93
-p=65,61 v=-45,65
-p=56,71 v=92,-63
-p=71,102 v=-53,-21
-p=64,79 v=96,49
-p=40,13 v=-74,-84
-p=28,71 v=93,91
-p=43,68 v=-39,-6
-p=10,40 v=63,55
-p=73,0 v=-97,-82
-p=26,38 v=85,-27
-p=27,94 v=36,-79
-p=1,99 v=-82,-30
-p=66,96 v=-23,31
-p=78,21 v=96,16
-p=10,93 v=-51,-76
-p=76,87 v=78,80
-p=13,20 v=-38,68
-p=31,42 v=-43,5
-p=56,10 v=-53,-33
-p=76,61 v=34,-4
-p=73,2 v=-36,74
-p=93,83 v=15,-19
-p=76,50 v=20,-51
-p=27,53 v=36,-51
-p=93,97 v=50,72
-p=59,22 v=87,21
-p=95,22 v=-29,66
-p=56,35 v=79,10
-p=60,38 v=17,-94
-p=67,41 v=-5,6
-p=97,71 v=-73,35
-p=26,10 v=-73,74
-p=74,71 v=5,64
-p=36,91 v=84,-17
-p=38,91 v=67,33
-p=19,64 v=41,-9
-p=89,15 v=-59,66
-p=5,94 v=94,-27
-p=92,21 v=7,-87
-p=87,64 v=-28,-5
-p=22,6 v=-95,25
-p=59,42 v=-51,-7
-p=50,95 v=88,29
-p=59,91 v=73,-21
-p=52,42 v=-75,56
-p=10,39 v=-30,7
-p=88,79 v=29,-62
-p=31,89 v=-21,-82
-p=43,60 v=4,52
-p=2,76 v=-68,-15
-p=13,71 v=-38,97
-p=93,38 v=1,-95
-p=53,99 v=10,16
-p=94,72 v=-98,30
-p=1,3 v=37,-82
-p=68,78 v=55,18
-p=1,78 v=42,-7
-p=80,84 v=52,-26
-p=75,46 v=-87,-20
-p=71,27 v=95,-39
-p=90,18 v=73,11
-p=99,3 v=62,52
-p=39,88 v=-80,-93
-p=85,32 v=69,-40
-p=72,23 v=-28,-75
-p=22,59 v=98,-7
-p=69,76 v=12,93
-p=56,59 v=30,50
-p=80,92 v=-49,-80
-p=4,40 v=-77,-50
-p=90,60 v=40,-28
-p=6,79 v=9,56
-p=63,47 v=57,-59
-p=33,62 v=22,37
-p=74,27 v=78,70
-p=26,101 v=-43,-49
-p=1,24 v=-29,-38
-p=73,90 v=56,79
-p=5,90 v=-20,-75
-p=16,35 v=94,8
-p=96,93 v=4,58
-p=61,43 v=4,4
-p=13,68 v=76,94
-p=5,29 v=86,-95
-p=32,81 v=39,-85
-p=94,42 v=-37,55
-p=80,20 v=60,22
-p=43,94 v=57,-19
-p=93,4 v=51,-26
-p=12,4 v=62,-58
-p=87,74 v=-98,-64
-p=81,41 v=-26,69
-p=30,54 v=-30,-13
-p=73,4 v=21,-30
-p=68,35 v=-49,-44
-p=47,2 v=19,-70
-p=92,100 v=33,79
-p=81,11 v=73,-83
-p=46,75 v=-62,-69
-p=48,56 v=-13,-56
-p=7,84 v=15,30
-p=92,10 v=28,69
-p=15,31 v=-87,61
-p=95,0 v=33,79
-p=3,61 v=-37,-50
-p=73,95 v=96,20
\ No newline at end of file
diff --git a/2024/gareth/day18/day18.go b/2024/gareth/day18/day18.go
deleted file mode 100644
index ed76eb7..0000000
--- a/2024/gareth/day18/day18.go
+++ /dev/null
@@ -1,156 +0,0 @@
-package day18
-
-import (
-	"container/heap"
-	"strconv"
-	"strings"
-)
-
-type Point struct {
-	x, y int
-}
-
-// Item represents a node in the priority queue.
-type Item struct {
-	point    Point
-	distance int
-	index    int
-}
-
-func Part1(input string) int {
-	grid := parseInput(input, 1024)
-	_, distance := dijkstra(grid)
-	return distance
-}
-
-func Part2(input string) int {
-	lines := strings.Split(strings.TrimSpace(input), "\n")
-	numLines := len(lines)
-	for i := 1; i <= numLines; i++ {
-		grid := parseInput(input, i)
-		_, distance := dijkstra(grid)
-		if distance == -1 {
-			println(lines[i-1])
-			return 2
-		}
-	}
-	return -1
-}
-
-func parseInput(input string, upToLine int) [][]rune {
-	grid := make([][]rune, 71)
-	for i := range grid {
-		grid[i] = make([]rune, 71)
-		for j := range grid[i] {
-			grid[i][j] = '.'
-		}
-	}
-
-	lines := strings.Split(strings.TrimSpace(input), "\n")
-
-	for index, line := range lines {
-		if index == upToLine {
-			break
-		}
-		cords := strings.Split(strings.TrimSpace(line), ",")
-		x, _ := strconv.Atoi(cords[0])
-		y, _ := strconv.Atoi(cords[1])
-		grid[x][y] = '#'
-	}
-	return grid
-}
-
-// PriorityQueue implements a priority queue for Dijkstra's algorithm.
-type PriorityQueue []*Item
-
-func (pq PriorityQueue) Len() int { return len(pq) }
-func (pq PriorityQueue) Less(i, j int) bool {
-	return pq[i].distance < pq[j].distance
-}
-func (pq PriorityQueue) Swap(i, j int) {
-	pq[i], pq[j] = pq[j], pq[i]
-	pq[i].index = i
-	pq[j].index = j
-}
-
-func (pq *PriorityQueue) Push(x interface{}) {
-	n := len(*pq)
-	item := x.(*Item)
-	item.index = n
-	*pq = append(*pq, item)
-}
-
-func (pq *PriorityQueue) Pop() interface{} {
-	old := *pq
-	n := len(old)
-	item := old[n-1]
-	item.index = -1
-	*pq = old[0 : n-1]
-	return item
-}
-
-func isValid(grid [][]rune, x, y int) bool {
-	return x >= 0 && x < len(grid) && y >= 0 && y < len(grid[0]) && grid[x][y] == '.'
-}
-
-func dijkstra(grid [][]rune) ([][]rune, int) {
-	directions := []Point{{0, 1}, {1, 0}, {0, -1}, {-1, 0}}
-	rows, cols := len(grid), len(grid[0])
-
-	// Validate start and end points
-	if grid[0][0] != '.' || grid[rows-1][cols-1] != '.' {
-		return grid, -1 // No path if start or end is not valid
-	}
-
-	dist := make([][]int, rows)
-	for i := range dist {
-		dist[i] = make([]int, cols)
-		for j := range dist[i] {
-			dist[i][j] = 1 << 30
-		}
-	}
-
-	pq := &PriorityQueue{}
-	heap.Init(pq)
-	heap.Push(pq, &Item{point: Point{0, 0}, distance: 0})
-	dist[0][0] = 0
-
-	path := make([][]Point, rows)
-	for i := range path {
-		path[i] = make([]Point, cols)
-	}
-
-	for pq.Len() > 0 {
-		item := heap.Pop(pq).(*Item)
-		x, y := item.point.x, item.point.y
-		if x == rows-1 && y == cols-1 {
-			break
-		}
-		for _, dir := range directions {
-			nx, ny := x+dir.x, y+dir.y
-			if isValid(grid, nx, ny) {
-				newDist := dist[x][y] + 1
-				if newDist < dist[nx][ny] {
-					dist[nx][ny] = newDist
-					heap.Push(pq, &Item{point: Point{nx, ny}, distance: newDist})
-					path[nx][ny] = Point{x, y}
-				}
-			}
-		}
-	}
-
-	// Check if no path exists
-	if dist[rows-1][cols-1] == 1<<30 {
-		return grid, -1 // No path found
-	}
-
-	// Reconstruct the path
-	x, y := rows-1, cols-1
-	for x != 0 || y != 0 {
-		grid[x][y] = 'O'
-		x, y = path[x][y].x, path[x][y].y
-	}
-	grid[0][0] = 'O'
-
-	return grid, dist[rows-1][cols-1]
-}
diff --git a/2024/gareth/day18/day18_test.go b/2024/gareth/day18/day18_test.go
deleted file mode 100644
index 7a52d3b..0000000
--- a/2024/gareth/day18/day18_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package day18
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`5,4
-4,2
-4,5
-3,0
-2,1
-6,3
-2,4
-1,5
-0,6
-3,3
-2,6
-5,1
-1,2
-5,5
-2,5
-6,5
-1,4
-0,4
-6,4
-1,1
-6,1
-1,0
-0,5
-1,6
-2,0`)
-	assert.Equal(t, 22, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`5,4
-4,2
-4,5
-3,0
-2,1
-6,3
-2,4
-1,5
-0,6
-3,3
-2,6
-5,1
-1,2
-5,5
-2,5
-6,5
-1,4
-0,4
-6,4
-1,1
-6,1
-1,0
-0,5
-1,6
-2,0`)
-	assert.Equal(t, 0, r)
-}
diff --git a/2024/gareth/day18/input.txt b/2024/gareth/day18/input.txt
deleted file mode 100644
index 6265c77..0000000
--- a/2024/gareth/day18/input.txt
+++ /dev/null
@@ -1,3450 +0,0 @@
-44,51
-65,43
-65,40
-35,54
-66,67
-41,59
-55,55
-23,2
-45,57
-69,36
-34,53
-37,2
-38,1
-37,55
-41,67
-58,55
-3,26
-9,14
-5,28
-54,51
-56,69
-48,47
-46,53
-64,29
-61,56
-69,64
-45,7
-69,38
-39,54
-50,47
-27,14
-33,1
-67,50
-9,19
-56,57
-64,53
-15,21
-63,50
-3,42
-63,65
-43,52
-9,26
-59,31
-1,29
-30,59
-59,53
-13,0
-65,35
-5,24
-19,35
-47,9
-4,21
-24,11
-53,66
-35,2
-26,9
-56,51
-70,29
-69,56
-53,55
-69,67
-58,67
-8,9
-37,62
-55,9
-35,3
-69,35
-55,15
-59,69
-51,9
-61,5
-5,29
-66,45
-5,23
-63,37
-59,17
-69,55
-63,61
-17,18
-57,8
-15,17
-63,60
-53,61
-33,3
-67,68
-23,3
-9,20
-19,7
-1,5
-53,9
-68,47
-21,14
-32,13
-19,5
-6,19
-25,9
-43,58
-4,7
-25,16
-67,37
-0,29
-59,65
-47,55
-8,1
-11,19
-49,5
-57,48
-59,59
-65,39
-36,9
-43,5
-66,29
-55,54
-53,5
-1,35
-6,11
-68,31
-70,69
-20,21
-61,8
-65,46
-47,0
-49,41
-3,11
-30,25
-55,11
-29,4
-33,62
-15,13
-1,18
-1,37
-39,60
-65,53
-67,48
-67,49
-52,49
-25,3
-55,43
-0,21
-13,6
-41,53
-38,9
-17,17
-47,41
-41,6
-45,54
-56,17
-1,38
-6,23
-67,56
-2,11
-69,49
-1,33
-32,5
-41,50
-66,61
-5,21
-21,11
-3,29
-59,16
-49,55
-22,9
-34,1
-15,10
-57,3
-69,57
-18,3
-43,59
-24,15
-65,25
-53,11
-35,56
-39,12
-53,52
-65,30
-38,51
-25,7
-33,10
-63,36
-7,14
-5,25
-50,37
-51,5
-1,23
-53,6
-47,3
-61,41
-27,3
-61,26
-51,7
-39,61
-13,25
-1,31
-35,62
-50,43
-29,6
-53,15
-61,63
-45,5
-11,29
-27,6
-31,14
-55,41
-29,5
-5,5
-25,11
-61,35
-4,13
-34,17
-11,21
-69,69
-63,55
-50,45
-49,46
-1,13
-57,39
-63,47
-55,62
-37,61
-1,32
-7,30
-13,9
-51,47
-49,1
-19,23
-2,45
-51,62
-51,53
-57,63
-54,45
-47,58
-33,59
-3,37
-51,59
-39,3
-19,4
-61,60
-9,21
-67,69
-45,56
-53,57
-1,0
-23,13
-5,1
-27,7
-45,51
-56,45
-33,64
-56,13
-7,33
-20,13
-36,5
-57,55
-9,16
-57,65
-45,48
-47,48
-59,45
-65,29
-11,27
-55,67
-69,63
-17,2
-63,41
-10,27
-9,27
-69,47
-25,0
-57,51
-55,53
-65,48
-15,20
-43,9
-55,47
-62,37
-35,59
-22,17
-25,24
-18,7
-63,38
-40,63
-69,58
-59,43
-3,1
-34,7
-42,59
-41,51
-65,27
-7,21
-9,39
-51,49
-7,5
-25,2
-32,63
-8,3
-33,9
-54,9
-67,61
-67,38
-62,33
-17,1
-44,55
-2,27
-7,19
-2,47
-1,9
-7,9
-41,1
-39,10
-61,25
-35,61
-63,59
-21,13
-29,11
-58,51
-37,3
-17,12
-7,3
-7,29
-37,59
-65,69
-67,31
-19,13
-61,66
-23,9
-43,49
-50,9
-43,8
-61,64
-49,8
-15,2
-57,43
-23,15
-64,43
-39,52
-33,57
-8,29
-57,53
-11,6
-65,31
-65,67
-28,17
-9,31
-41,56
-22,1
-51,11
-66,69
-43,6
-1,19
-33,13
-53,41
-68,35
-43,3
-65,51
-44,3
-57,17
-61,12
-61,65
-44,1
-57,13
-13,10
-61,53
-9,15
-11,9
-29,12
-64,65
-45,41
-67,59
-55,12
-67,33
-56,41
-10,1
-5,14
-19,10
-53,43
-69,31
-3,21
-57,14
-37,47
-35,9
-10,5
-11,24
-66,41
-40,1
-59,39
-65,64
-63,70
-64,67
-13,35
-7,35
-4,11
-17,7
-43,60
-53,3
-32,55
-60,49
-39,48
-63,33
-7,6
-63,53
-69,37
-61,48
-45,45
-61,62
-16,7
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-19,58
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-16,59
-6,16
-10,4
-0,68
-14,58
-27,22
-69,62
-0,53
-36,57
-24,68
-20,68
-54,53
-2,25
-2,8
-52,53
-33,22
-27,52
-66,15
-6,47
-31,38
-54,19
-68,34
-50,6
-23,70
-1,42
-64,27
-41,58
-33,42
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-32,18
-12,68
-42,38
-54,62
-52,20
-36,22
-47,24
-34,46
-49,26
-9,66
-25,30
-38,14
-46,34
-56,66
-52,6
-36,70
-58,40
-35,52
-28,43
-16,50
-8,42
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-21,2
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-10,50
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-12,6
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-30,62
-13,42
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-16,25
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-46,58
-40,40
-46,68
-48,20
-56,4
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-28,22
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-14,15
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-46,48
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-24,32
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-10,69
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-25,48
-0,33
-3,32
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-40,15
-60,21
-22,69
-21,10
-20,36
-64,51
-12,1
-40,46
-48,6
-22,44
-8,24
-18,12
-54,4
-54,10
-22,39
-34,62
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-18,52
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-38,55
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-0,35
-36,55
-0,41
-45,10
-64,16
-24,58
-56,58
-64,42
-12,46
-22,10
-38,52
-20,56
-54,41
-62,53
-4,60
-64,12
-10,7
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-20,2
-32,14
-42,50
-56,1
-50,49
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-7,24
-38,3
-69,68
-66,4
-67,32
-42,21
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-35,44
-20,53
-68,18
-0,65
-38,63
-70,53
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-53,0
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-63,52
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-32,54
-47,36
-50,61
-34,27
-65,56
-65,0
-50,39
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-22,70
-10,36
-32,66
-38,8
-37,0
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-28,49
-4,12
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-59,70
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-28,56
-2,31
-64,24
-7,70
-43,18
-2,12
-10,32
-62,44
-26,70
-30,68
-4,46
-58,50
-49,58
-45,50
-8,59
-41,0
-10,24
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-60,54
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-56,18
-60,15
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-5,12
-0,9
-22,34
-14,51
-3,60
-18,70
-69,50
-64,48
-69,10
-4,42
-8,38
-40,22
-30,60
-15,0
-28,3
-27,40
-56,70
-5,30
-42,26
-2,28
-39,8
-34,60
-34,26
-34,49
-4,29
-34,36
-33,52
-40,32
-54,8
-3,46
-10,68
-42,70
-8,26
-34,66
-15,8
-21,44
-5,26
-44,40
-50,31
-40,4
-68,10
-43,54
-4,62
-52,66
-16,22
-32,32
-62,0
-6,46
-28,23
-42,52
-53,26
-10,25
-42,54
-56,67
-60,26
-19,34
-60,30
-46,37
-10,56
-12,10
-66,25
-60,69
-19,46
-23,16
\ No newline at end of file
diff --git a/2024/gareth/day19/day19.go b/2024/gareth/day19/day19.go
deleted file mode 100644
index cf151af..0000000
--- a/2024/gareth/day19/day19.go
+++ /dev/null
@@ -1,90 +0,0 @@
-package day19
-
-import (
-	"strings"
-)
-
-func Part1(input string) int {
-	towelPatterns, designs := parseInput(input)
-	result := countPossibleDesigns(towelPatterns, designs)
-	return result
-}
-
-func Part2(input string) int {
-	towelPatterns, designs := parseInput(input)
-	result := totalArrangements(towelPatterns, designs)
-	return result
-}
-
-func parseInput(input string) ([]string, []string) {
-	parts := strings.SplitN(input, "\n\n", 2)
-	towels := strings.Split(strings.ReplaceAll(parts[0], " ", ""), ",")
-	patterns := strings.Split(strings.TrimSpace(parts[1]), "\n")
-	return towels, patterns
-}
-
-func countPossibleDesigns(towelPatterns []string, designs []string) int {
-	memo := make(map[string]bool)
-	count := 0
-
-	for _, design := range designs {
-		if canConstruct(design, towelPatterns, memo) {
-			count++
-		}
-	}
-
-	return count
-}
-
-func canConstruct(design string, patterns []string, memo map[string]bool) bool {
-	if design == "" {
-		return true
-	}
-	if val, found := memo[design]; found {
-		return val
-	}
-
-	for _, pattern := range patterns {
-		if strings.HasPrefix(design, pattern) {
-			remaining := design[len(pattern):]
-			if canConstruct(remaining, patterns, memo) {
-				memo[design] = true
-				return true
-			}
-		}
-	}
-
-	memo[design] = false
-	return false
-}
-
-func totalArrangements(towelPatterns []string, designs []string) int {
-	memo := make(map[string]int)
-	total := 0
-
-	for _, design := range designs {
-		total += countWays(design, towelPatterns, memo)
-	}
-
-	return total
-}
-
-func countWays(design string, patterns []string, memo map[string]int) int {
-	if design == "" {
-		return 1
-	}
-	if val, found := memo[design]; found {
-		return val
-	}
-
-	totalWays := 0
-	for _, pattern := range patterns {
-		if strings.HasPrefix(design, pattern) {
-			remaining := design[len(pattern):]
-			totalWays += countWays(remaining, patterns, memo)
-		}
-	}
-
-	memo[design] = totalWays
-	return totalWays
-}
diff --git a/2024/gareth/day19/day19_test.go b/2024/gareth/day19/day19_test.go
deleted file mode 100644
index cb0ed02..0000000
--- a/2024/gareth/day19/day19_test.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package day19
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`r, wr, b, g, bwu, rb, gb, br
-
-brwrr
-bggr
-gbbr
-rrbgbr
-ubwu
-bwurrg
-brgr
-bbrgwb`)
-	assert.Equal(t, 6, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`r, wr, b, g, bwu, rb, gb, br
-
-brwrr
-bggr
-gbbr
-rrbgbr
-ubwu
-bwurrg
-brgr
-bbrgwb`)
-	assert.Equal(t, 16, r)
-}
diff --git a/2024/gareth/day19/input.txt b/2024/gareth/day19/input.txt
deleted file mode 100644
index 9547196..0000000
--- a/2024/gareth/day19/input.txt
+++ /dev/null
@@ -1,402 +0,0 @@
-rrgbg, rgguubg, rbru, rb, rrrw, wbu, gbgb, uururg, ubru, rugb, bbru, b, rggurg, wgru, bgrwb, rrgubg, ubrrbg, wgurru, rrrrw, rbrwu, wubwb, wrbbr, bgbu, brrww, brg, gbwu, wrubuur, gur, grbr, gruwrrbg, bgwr, wgugbgb, rwbru, wuwr, rrg, ruwg, rgwgr, ubu, wbr, bwg, gbu, bgrwrb, wwrw, bb, gr, rug, grr, ubwb, rbruwbu, guggug, ugu, rwbuu, bbur, wbrww, wubw, br, gruu, gwr, wrrwwu, wug, bgu, bgb, wugb, grb, rbbg, grgbwgb, rwu, bwrbb, uwrbbru, bbu, wrg, rwg, ggbgbg, wbwru, wrgrw, bburr, bgr, rgbg, bwwwugrb, uwu, rwuwrg, gguburu, uwubwu, wb, wgguug, ugrbw, rbgu, rwwu, ggbbgb, gw, wgg, rrw, uurg, uubg, bgurgb, uwgbr, wbrwu, rrbb, rww, bwgb, uugru, ggrbub, wubgw, rwwugr, uuwur, burbrg, bbr, ggb, wgr, gwbgw, rrbu, wuwwrwb, rbbr, uubw, buuu, ubbwggu, brr, urguww, uggwwgw, ugw, ug, rub, grrrwu, wurburgg, wwww, ruu, wrb, rrur, urggr, bwbwwwrg, wwbu, bbg, uwb, ggugu, gbbr, rbrgw, bg, bbuu, uwrgrg, ggbwrgw, wwgwugr, wgbwuwb, gbrwg, bbw, wwrgu, rgrwrbwb, wwwg, gugbgbg, bwrwub, rw, gbb, ggw, rrb, urrbbwb, urbu, grg, rbugggb, bruwg, uubgwgw, bw, uubgu, rru, rwww, gu, wrbrg, guu, wgu, ruuru, wubrrg, brugrg, uuggb, wrurg, rgb, rbu, urg, buw, grwbg, gwuw, grbbg, wuwu, gbgbbw, uugrwrww, wbguub, grrgbug, u, uug, uwr, wrwb, gbg, bru, wwg, bbwur, bbbbbbbw, bugbb, rwurrgr, wwb, ugbbw, bug, grgg, bgwgrrb, uggu, rurguru, wwr, rbw, ubwwgw, wrrw, rrbg, g, rgrbub, gruggw, bur, ubgb, bgg, uwur, ur, bbbwb, gwbu, wuww, uruuuubb, wbru, ugggg, gbuu, rgg, wwwug, gbrwgg, guwgr, urw, wbur, bu, rur, rrubr, ugb, ubrgrb, rbbgg, rbwrg, rggw, rguug, wwu, uur, wrrguggu, brbb, bwwwbr, guw, gugw, wgubwu, rrr, ub, ru, brrbbruw, bwwgrrbb, rubgu, uggwwg, wbb, rwr, r, ruuu, wbggg, wwwu, grbrb, rrrrr, ruwb, wuuw, rbbb, ugg, wbg, rguwr, wbw, wbuwg, ubbgrbb, urugu, rbubw, wrgwuuwu, grw, ubbbu, bwurb, rwuu, rgbbwur, urbuu, uww, wuw, bwurgu, wur, wuwwrbur, wwuu, wbgw, grbbbw, wuub, urb, wuuguuwg, wg, gwrgr, gbug, gbrbw, rwgg, brbbu, bwww, wrbbbu, wwgbggb, burug, gww, ubgrrb, bgw, rgbb, brb, wbuu, brw, ggrbrbwg, uwruw, wrgurrbb, guwrgu, rr, ugggrbr, bgrgg, urgbrbrb, wrw, wwubggu, ugurwg, grrg, bwrb, rrgwuuw, rrru, wurg, bgurwu, rgurbb, uuub, uuwb, rrrg, wrgrrrww, uwg, bgbguu, wrgwb, wwwru, rg, rrurwur, urrbb, bww, rrwwbbb, ubr, wgrbu, gru, ubg, gb, ggr, gbwbwru, uuw, rbb, gugwrg, gwb, bbb, rgrggw, uw, wggbbg, rwgubgb, gwbw, brrr, gugbwu, rwrr, uuuwbb, ugrrr, rgu, wubrwr, wrr, bwb, bwbgurb, rrrub, wub, rwgrug, rurb, gwrgrbr, rbrwbb, wwrgbg, urr, bwu, bwgu, rbuuw, bbub, wbbwubu, ggg, wbwwgwb, buwbg, wwwuru, rbg, gubugg, gbwb, www, rbr, ubur, grbbw, wgw, gbw, wgrw, rguuuu, rwb, gbrw, bbbb, gururbb, rbggwu, bub, bgbr, gurb, rrbgrb, rurwb, ugr, wgwrg, ruw, bgrr, gwu, gbr, uwugwru, wru, wr, ugbruw, grbubb, gwg, gwggurg, gugbr, ugubbgb, uwrw, uru, bwr, rgr, rbgrwg, buuw, ugbur, urgub, wurrrgww, rgguuwru, burr, rgw, rbruw, rwbwbbr, bwguw, uub, wgb, rgur, ubb, urwg, rwgww, wgub, rwwrgu, gg, rgug, gub, bggr, uuu, uu, rbug
-
-bubrbbwggggbuuwbbrwwbbgbwrruugwbwgbwugbugrgu
-wugwgwggbgubuuwugugrugwbrrwrbwwguburbbbggw
-wbbrrwwbgwbgrrbwuuwrbbrwuwburgbwgwwuruwgbggubwug
-ubrwbrbrggrwgbwbwwuwwguurbubwrbgwwrubbrwuwururwrr
-gggrwbgwbwuwrubrguwggruubrggwgbrbguwrbrgwuurbwggrggrwwwrb
-wuurugububruuwuggwuuwgbwwbrbwgrrrubwbuuwu
-grrrwrwgwuwrburruuwwubgubwwwrrrwbwwbggrbrgr
-gugrrubugrgrwgggggrbrbrwgguurrwurgrbuggrrbbwgwwwbuu
-wubuwgwuwrrubbwuwwrburrwbrrubgurbggbbubrwrguwururgww
-ubbrgurrbgbrbwguggugwrrrurwwwugbgrwwbuwrbggrgwwrgwbrwwuugb
-bgwbwwwrrgugwwwugruwrbgrbrwbwbrwurbgruwgrggwruururb
-guwurburwrguurwbggrrwwugurguwbubbrggrggrubrbbbrwwbgw
-wgwuurwrgubguugbbgrrwbwgrwbwrwgbwrwburggrgbbuuw
-grbgrruuwrgwwuburwggbubbbgwwrgrbubggwrwbuurwwbuubuwrgwb
-bbwuubwuuwwubrwrwgbbrgwwurwbbwwburwuwwwubwrubguubggruwbbg
-rrugrwurbugrrbggburwurbbgbuugwwrgbwrbrwbgbgrbwbuuww
-gubwuubuwrrwgbuwbwguubuwwbwwrrwgbwbuwgguguwuwbwu
-rrbbubrrrwubrrwwbrrbwrbwugbrbrggwbgrwgugwuugg
-uurwrgruuwbwuubbrwubrwuuwwgubwgrwbbwgbwwwrbgugrbwururgurb
-rbwbbrguggubguurrrrburuwrrubgbgrwrbugrrrgruburwb
-grggbggwrubwwwwgrurwgbwuubguwrrrbgubruguub
-rrbgbggwbwbrbrrwwgbbggrruwgggurgbrbrwubwuurrbbbwgrbrgrurr
-gububbuuguwgbgrwgwgruburwrgwgbbrbrruururrrubrgggwwrbgb
-ruurrgggbwbrggwggrurgrwgwbgburwwuwgubggubru
-rbrrwgrgrrwrbwbrbggbwrwwuwrbwuwuuwbgbrwrgrwwgbuugbugg
-wwbwrrbrrruuwrrwgggruwbubrrwrwuwwurwurbrbrrrw
-wbguwwwwwguuuwuubrwgrgwguugrbrruwwrwgugbbb
-rrggwbububgbgbguggwwgurbgbwuwwrwrgwuuwruggu
-rbguubrrbrgwwgwbgrwrbrggwuwguuuwbwbwwbuwgr
-wgbrrguuurgggrwgwgbrbguugrururubruugrrrrgbrgugbg
-bgurwgugurwwbuugwurrgurwwrgwgubgrrgururubguuuwugbg
-rwbbuwuwbgwbbwurbubwwugbgrbugrbuurbwwbrrwruwrrrwww
-rbrburwwbwugrggwrrrruwwgbrgurbwwrrburbbggugbwbu
-burgwubggburuuguuwrwbbgbuguguwwburububwrrgw
-gggubgbgbwgrggrbrbrgguruurwbrrwubbrbruwgwbu
-wggruwwgbwgguwgbgbggrbggbbbwbwwwrgrwwggwrgguuwwgwubgru
-bbrwwruugwwbbbwububuuwruburbwbbgrwbburrgbbrub
-gwggggwgguuburrgrgugrwgwrbbggggurgugugrgrgwwbr
-gggbbugwgbwgwugrrgbwrrwurrgugburrggrruugurbrugrbbbg
-gbwrwggbuggurrgubuguubrbgwbrubgwgrbrwubbgrr
-bwuwgurrrgwwgguubggwwuurbbrbbwgwggwuwgbbwrwrburgr
-wgrwwubbbwbbrggrgugwggbubwwburubwwuwgbbubbrrrrguubguwbuuu
-rguuurgbrbrbuubgbuuggrwrwgrwugwrwgbwbbwbbgg
-uugbgwguuggwgwrrggggwrbrgbguuguwrbrgwgbwwuubgugwwug
-rbuuwwwrrrurgrgbrbbbrrbbwwwgwgwuwgbwggrbbwbruwwwwbg
-wwgwuurrurrbbgwuwwbgrbbrbruugwwgugbrbrgguuwrugwuguurbgwrru
-wrgwrrbrgugrrwguuguwburwuguuggguwwgbguwrbrbgubrg
-wbrugwbubuggrruggbruwrgrwgugwgbwugugbwguwwuubbrwwubggw
-grbgrrbrwggurbbrwugrwbbrurwrwbruuggwrggrrgrgwwbuwbgurb
-gwwurrbwrgrgurwuugwbwrgrrrwwwrwguwbrbrrurwbwbuggrwb
-wubguubgbbwuwbwgwwrrrgbuggwbwwwugrbbgrwubbrgurbuwwrgbur
-uurgwruubgrbgubbwrubbggrububgrwwrubwwbrgbbu
-uruuwrrbwbbugbbbrwguwbwuguurbwrurugwuwwguwbgb
-wurbgrggbggbwwgwwbbgbbrurrrwggrwwrbrbrwrbg
-ggwwrrbbwgubrgrgrgwuububrbrggbwwbubgbbgwubrgwrbururu
-grrgubuwgwuwuururwwrbgwrgrurrbbrwbgruggrbggbwubrb
-grbbrwbrgwgrgubuwbuwbrwuwugrbwuwwguwrbwbwwbuurgbwgw
-uuguwrwggruurrggurrbgurbwgggugbgrrguugggwurgrrgubugbugugg
-wrwugwwuwwbrubwwuruuwuwrugugbwwgugrrbuuguwggbrguuugwgwbw
-uuggwbgurgurbgruruwwrrgubbuwwruruwrurbwugguwbwbgrgg
-urwbggurwbwguurugbrbwbrbgwrgrbbrubrubburuwrburww
-wbbrbwwwwrbruubggwrurgugbgbbuwgrrrrwugbwwwr
-ubugrwubbgbrrrrgguugurgbubwgruuwrrgrbguuuw
-rrruwrgwrggwburgugwbwwwbggubuwbwuuurrggwwbwrgwgwggbguubw
-rgrgbrguruguwrggbrgruwrrbgbbbwugbrbgrbrrrggrubwuubwwbguw
-rbggwgugrbwbrbwurbrugrwbbbwuuuwrwgbbbrwbuwgbwrgggurbwug
-rgbuuwurbrwwuwbrugbggwbgbrrwguguwbubrubwguubbubgrgrwu
-gwwwgbrguruuwggwugguuwwrbwgbgwuwuuwrgruguwrbugurrwruw
-ubbgwurbrwrwggwubggugrgugwurwwbbbrbwbwgubw
-wurggrrwbwgbwuguurgwgurgugwbguuurrubuwwggwgggwg
-ugbrrwbgurbugwwwbggggggrugububwbguurruggrgrubuuwgurrwbbu
-rbrurrwuuugbwwgubugbuugruwwurwrbrrbrbgwurwuuu
-rrurrrwrwrrrbbbwguuwrruwguwuggbgguurrbbgggbwruurugurgb
-rurwwgugrrrrwbwurugwrugbgwwbuwrbwuwuguggub
-ubbgbrgggbuwggwgrgbgrgwbwggrrwbrggwgubuwgrwrbwrg
-wggruuggrwbwrwrugwgbuwggwbgrbuggrgguggubbrbruuu
-ggurbuwwbbubrguuubgwugugrgrguwrwbrubrgbwwrg
-rgrgbbbbwwruubwuwguwgububwgruwgruggbgggbuggwwgwuwwgu
-guwugugbrrbrruggwrbwbbgbburubwuuurbugubwrrug
-grurwuuwrbguuwgruubwwbuubwbuurgugrgrwbggggwugbgruuurww
-wuugguggwrrgruwgbbrrgbwbruubgrbbrburgugurgwggwgggrrur
-grgbbrwuwwrrgggwwwuubuggwrbgrgbwrwwrrwrwguwggw
-bwuuguwwrbbgrwubbbrwwwrrururbwgbrrrrwbrbgrbgbbu
-urggrwbggwubgggrwwgwgbwbggwggrwrrrbgwrruwbbrbguuwrw
-bubruuwrrbbruwbbugwuuwbwwbwbbuwubgrububwwrgwubgrggrruwggg
-rurgwubgbwrrwuwuuggrrrwwgwrgburbggwwrubuwwuwgwruwurugw
-wgbgururuggrbrugbwrguruugguubrgwrgguwgwruwbgrrr
-uubwrbrgggrugurgbrwuugrwrwwwrgbrgwwugbwubwgrr
-bggugwwurguwbgbwbwbuwwbrruubbgbbrbwbburugrr
-wrwbrbgbbrwugrwbbwgbgggbrwurgrwubuggwurrrugu
-grrwbgubrrwruubuugguurrrbrbubbrwgrbbguguub
-uburuugrwbrurguwgrgwbrrrgrbbgbrbuwrrbugrgbrbbug
-wgbuwuuwuruwuwuuwuwgggrbugburubggbgubwgbuuggbur
-wuugrbbwuguwuwwuuruwrwbgurrbbwbwwrwuugbwgbuugbgwwrwwwgw
-uruburbbbrwbuwrrbrbguuggbguruwwrruburwgwggr
-rurbbururbwuwuwrrrbbbwbuuwwwuwrrggurgrrurgruggwuubwrww
-wrbrwwggubwbugrrrgbugubgruggurwwrwuwwwrgbrrugbbbubwgwb
-gwruggbrbbrwubgbuwwwrugwbubgugwuuugggurwuuwrururugg
-bwgububwrrgruwubrrubwwubrwrbgrurwgrrrwbrwbubggw
-urwrbwwrubbuwrbbwgugrbrburrgbbuugbbubbbugb
-buggwggugwuwwwugggbrrrbbggwwuguguubugbrugu
-wbrwwbwuwbwgrubbuurbuurgwubrwwwuruwuurbrubbugwuw
-bbrbggbgwuguburwrgrbgrbrbugrgwbwubgwwuwbwbwrbwrwbgb
-wuugrubwgggbugrbwgwgurgwuubuubrbrrbbruwbwrwgguwrrrwbwgbbw
-wuugwgbwrrgugguwwgbwgbbwgbbgbgwuugbbuuwgrburuuurwbggwgrugu
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-wurrbbwuguuugrgurwwbwbgwbbbwbbuuwbbgurwrrbubwbbbbwubb
-bwuubrguububbgrubbrgbgwwbgbbbgwbrrgwggwgggurgbwwwwuur
-wgwuwbgrrurbwgwugwruwbubwgrrrwbbgrbuwubgbgw
-rrbbrrbbwbbubbwrwgwrbrwwbbbbgwbguwgburwgbggr
-wuugbbuguruwugwrgwbbuggbwbwwbbuwwuuugwbguwugbwggrbrr
-gwgbburbguwuurrrgwbuwrurrbuwugwrgbgwrgwwwwurubbgbwr
-wubugurgrbrbbbwrrwurwuuugwuwrbbbwwbrgbbrurrg
-wrwugbwwbbbrguwuwugbwwuwgwubbbgrrbrwguuububbggbwwbwwrwbg
-bugwuwrwuwwggwwuwrwrbruggrurgwwurrguwugwrwg
-rbrgrwbwrurwbubrugwwgguwrrgwgwuwwbrrgrbrgwruwgbgbrbbru
-rwwwrwruruuubwgwbgubrbgbgrwwuugruurugbrwbwuuwgbwubggugg
-uuwugbbwrwbgrgwubgwwgrubbwrbbwwwbbwbbrbwrrugrgggw
-wggubrrbgrggrwgguwggubwwrbrbgbgrrgugbggbgg
-uwbuwrrgwguwurbwbbgbrbbrgguuggrrugrwrwbgrrurru
-grrrgurgwububbuguwrguuuwrwwurbbwrwwguwwwrggbrbr
-wubbgwbwbrbrgbggurgbrwgrubrurbrrrwrurgbbrwurgrrgugbwurrbg
-wruwwrwgwrbwubrbwubbbrbuurwwwugwugubuubwgbbbubgrrgbrgbw
-rwrrbgwurrgrbgrrrguugwwbgwwugbbgwwwuuuwgugwuwuwuubuw
-rgwwugwwurgubwgrbwbwwgbbbubbrggbgrugguuubuuuugbgbgug
-gruuruwbwbuururbwrwrgrwuububgwgruggwbwrgwbub
-gbbwrurugbbwrurwwbgrruwgbrbrbrrgrwrbbgbgwbgwgwuwrwgrgu
-wugwwgrwbgugurwurbggbrwruwuuwurwrbrwgruuubuurur
-wgbuwbrbwrgrbwuwggugggguuwgbrbwgrgwrurrurbrgugrgwrb
-ggwubgbwwwgrwwbbggwwrrggwguubuggubggguuwbwuwgwuuugrgbuubbb
-rguuugwbrbrbwbgrggbubwrwwrrrubwwuugugwgrbuu
-ggugbrggwbuwrwgrgwugurrbgruurruwwgrbwwubbuubr
-ubgwwggbwbuwbbbbbbggbwrgrbgrgugurwggrubburrubrwrrggrgg
\ No newline at end of file
diff --git a/2024/gareth/main.go b/2024/gareth/main.go
index 9ef4db9..99d93ff 100644
--- a/2024/gareth/main.go
+++ b/2024/gareth/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"aoc2024/day09"
+	"aoc2024/day04"
 	"fmt"
 	"os"
 	"time"
@@ -9,11 +9,9 @@ import (
 
 func main() {
 	start := time.Now()
-	data, _ := os.ReadFile("day09/input.txt")
-	fmt.Printf("part 1: %d\n", day09.Part1(string(data)))
-	fmt.Printf("part 2: %d\n", day09.Part2(string(data)))
+	data, _ := os.ReadFile("day04/input.txt")
+	fmt.Printf("part 1: %d\n", day04.Part1(string(data)))
+	fmt.Printf("part 2: %d\n", day04.Part2(string(data)))
 	elapsed := time.Since(start)
 	fmt.Printf("Execution time: %s\n", elapsed)
 }
-
-// 6320029754031
diff --git a/2024/go/day10/day10.go b/2024/go/day10/day10.go
deleted file mode 100644
index b52a587..0000000
--- a/2024/go/day10/day10.go
+++ /dev/null
@@ -1,103 +0,0 @@
-package day10
-
-import (
-	"adventofcode2024/utils"
-	"adventofcode2024/utils/grid2d"
-	"adventofcode2024/utils/inputs"
-	"fmt"
-)
-
-type Position struct {
-	height int
-	summit bool
-}
-
-func Part1(input string) int {
-	score := 0
-	i := 0
-	grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
-	fmt.Println(grid.StringWithFormatter(formatter))
-	for y := 0; y < grid.SizeY(); y++ {
-		for x := 0; x < grid.SizeX(); x++ {
-			position := grid.Get(x, y)
-			if position.height != 0 {
-				continue
-			}
-			wipe_summit(grid)
-			score += getScore(x, y, 0, 0, grid)
-			fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
-			i++
-		}
-	}
-	return score
-}
-
-func Part2(input string) int {
-	score := 0
-	i := 0
-	grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
-	fmt.Println(grid.StringWithFormatter(formatter))
-	for y := 0; y < grid.SizeY(); y++ {
-		for x := 0; x < grid.SizeX(); x++ {
-			position := grid.Get(x, y)
-			if position.height != 0 {
-				continue
-			}
-			wipe_summit(grid)
-			score += getScore2(x, y, 0, 0, grid)
-			fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
-			i++
-		}
-	}
-	return score
-}
-
-func formatter(p Position, x int, y int) string {
-	return fmt.Sprintf("%v", p.height)
-}
-
-func wipe_summit(grid *grid2d.Grid[Position]) {
-	for y := 0; y < grid.SizeY(); y++ {
-		for x := 0; x < grid.SizeX(); x++ {
-			pos := grid.Get(x, y)
-			if pos.height == 9 && pos.summit {
-				pos.summit = false
-				grid.Set(x, y, pos)
-			}
-		}
-	}
-}
-
-func getScore(x, y, level, score int, grid *grid2d.Grid[Position]) int {
-	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
-	for _, dir := range directions {
-		x1 := x + dir[0]
-		y1 := y + dir[1]
-		nposition := grid.Get(x1, y1)
-		if level == 8 && nposition.height == 9 {
-			score++
-		}
-		if nposition.height != level+1 {
-			continue
-		}
-		score = getScore(x1, y1, nposition.height, score, grid)
-	}
-	return score
-}
-
-func getScore2(x, y, level, score int, grid *grid2d.Grid[Position]) int {
-	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
-	for _, dir := range directions {
-		x1 := x + dir[0]
-		y1 := y + dir[1]
-		nposition := grid.Get(x1, y1)
-		if level == 8 && nposition.height == 9 {
-			score++
-		}
-		if nposition.height != level+1 {
-			continue
-		}
-		score = getScore2(x1, y1, nposition.height, score, grid)
-	}
-	return score
-}
diff --git a/2024/go/day10/day10_test.go b/2024/go/day10/day10_test.go
deleted file mode 100644
index 5b8f7a2..0000000
--- a/2024/go/day10/day10_test.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package day10
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`89010123
-78121874
-87430965
-96549874
-45678903
-32019012
-01329801
-10456732`)
-	require.Equal(t, 36, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`89010123
-78121874
-87430965
-96549874
-45678903
-32019012
-01329801
-10456732`)
-	require.Equal(t, 81, r)
-}
diff --git a/2024/go/day10/input.txt b/2024/go/day10/input.txt
deleted file mode 100644
index df5bfc9..0000000
--- a/2024/go/day10/input.txt
+++ /dev/null
@@ -1,56 +0,0 @@
-43217654309879876104563234589896761012345656543098901001
-34108903212368123233472105676787851299856567832187812652
-45677814301457014312986345589876940387765678943046543743
-56789325100876525800345276430105432456566589858956769821
-65438456912963436901236187621234501223455410767349874430
-74321067803451107898547093412012982016764323101210143561
-89412210987430210789698892102123673107895214589723652678
-78601521856521345678721743089034543212345605679854781789
-66789430545678934505430654898745672212236765434765690878
-55676545038943213216765989601654981300129870121012345969
-46543216127657804389834808762347690456789983498141456452
-65454307233456934870126712354878765565210012507230987321
-54567898332110125961015645403969234674323215616546576010
-65658983021001876854324106912452128789321308723455678901
-76543212137892965348933217832141089873410419678964987652
-89862901236543501267018363101033210565566566569873788543
-89871876544345652106529854892123521454479877654012699830
-78100703454278743212434763763014672343287778943210581021
-65210212565189858906763212654985785650198961212101432010
-54321056876012567875898708783476698763267890303215678321
-87012567988703489874345679692676543294986725456574329478
-96543498589876530365210189501987650187675216987687610569
-01234567651010921234501076401236501010564307678596789876
-10389830532329854376542345321545692323403018789455430965
-21456721013456765289031234980098783410912129670320121054
-92505432565421010109120345671107654567823451061210120123
-87615443478302341018750134543234541050765962552121234984
-34322342189219650129665234789432132021894873443010965673
-45451056077828743234574343276543032134703210523457876532
-51069987456943104545987650167898749865612309610765454101
-32678678345652210698092156756547056764303458779890363232
-43010589232781306787183045876532178965210569888211274321
-56923432101090458989254234923421369878934678898302989430
-87889211078764567876360143010030450767125986567401276589
-96676305669653478985478652102141341458076803456564345676
-45435434734522780340349760123456232349883712678178737894
-80127821821011091211299854354987101016792103549069016323
-92346940910329654304587121267807652345013401232108925412
-81055432101458765643671010871018947654324589543987432101
-76567789023467010782532346965425638945695678654986540012
-05498654110567821891047897212334721032786014345678901098
-12387013223489932346156598101549889821012823216765212387
-03456323016576542345692367210678710701296954907854323456
-12345465437895431016781450123467623654387867878985401501
-21089870124326528701670101874345634565676541045621032012
-32189210065017019632543210965236730120545632456734548743
-43498349876298903545450143050159821321234012349895699654
-34567658389101232123469052101567634489234510106786789985
-99876501276788943016578769872498105672105621215021058876
-87035432365897654107689898763343234321678789334134567655
-70129641034781089898791099854232145690569245493254321567
-63238701123654178718982387763156056781410126787655010498
-54345652321073265001073456012047189872328901098546710327
-34568543434589874132569895145438976987437812361239891210
-21879654898678013203456701236327805456546521450967890123
-30968745467654320112345210987610112345545430567856543234
diff --git a/2024/go/day11/day11.go b/2024/go/day11/day11.go
deleted file mode 100644
index c040fb0..0000000
--- a/2024/go/day11/day11.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package day11
-
-import (
-	"adventofcode2024/utils"
-	"fmt"
-	"strconv"
-	"strings"
-)
-
-func Part1(input string) int {
-	stones := strings.Fields(input)
-	for i := 0; i < 25; i++ {
-		n_stones := []string{}
-		for _, stone := range stones {
-			switch {
-			case stone == "0":
-				n_stones = append(n_stones, "1")
-			case len(stone)%2 == 0:
-				d1 := strconv.Itoa(utils.MustAtoi(stone[0 : len(stone)/2]))
-				d2 := strconv.Itoa(utils.MustAtoi(stone[len(stone)/2:]))
-				n_stones = append(n_stones, d1)
-				n_stones = append(n_stones, d2)
-
-			default:
-				n_stones = append(n_stones, fmt.Sprintf("%d", utils.MustAtoi(stone)*2024))
-			}
-		}
-		stones = n_stones
-	}
-	return len(stones)
-}
-
-func Part2(input string) int {
-	stones := strings.Fields(input)
-	smap := make(map[string]int)
-	smap2 := make(map[string]int)
-
-	for _, stone := range stones {
-		smap[stone] = 1
-	}
-	for i:=0;i<75;i++ {
-		for k, v := range smap {
-			switch {
-			case k == "0":
-				smap2["1"] = smap2["1"] + v
-			case len(k)%2 == 0:
-				d1 := strconv.Itoa(utils.MustAtoi(k[0 : len(k)/2]))
-				d2 := strconv.Itoa(utils.MustAtoi(k[len(k)/2:]))
-				smap2[d1] += v
-				smap2[d2] += v
-			default:
-				k2 := fmt.Sprintf("%d", utils.MustAtoi(k)*2024)
-				smap2[k2] += v
-			}
-		}
-		smap = CopyMap(smap2)
-		smap2 = make(map[string]int)
-	}
-	count := 0
-	for _, v := range smap {
-		count += v
-	}
-	return count
-}
-
-func CopyMap(original map[string]int) map[string]int {
-    // Create a new map to hold the copy
-    copied := make(map[string]int)
-    
-    // Copy each key-value pair from the original map to the new map
-    for key, value := range original {
-        copied[key] = value
-    }
-    
-    return copied
-}
diff --git a/2024/go/day11/day11_test.go b/2024/go/day11/day11_test.go
deleted file mode 100644
index ed2a8c3..0000000
--- a/2024/go/day11/day11_test.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package day11
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1("125 17")
-	require.Equal(t, 55312, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2("125 17")
-	require.Equal(t, 55312, r)
-}
diff --git a/2024/go/day11/input.txt b/2024/go/day11/input.txt
deleted file mode 100644
index c42d5d7..0000000
--- a/2024/go/day11/input.txt
+++ /dev/null
@@ -1 +0,0 @@
-3 386358 86195 85 1267 3752457 0 741
diff --git a/2024/go/day12/day12.go b/2024/go/day12/day12.go
deleted file mode 100644
index 447d522..0000000
--- a/2024/go/day12/day12.go
+++ /dev/null
@@ -1,146 +0,0 @@
-package day12
-
-import (
-	"adventofcode2024/utils/grid2d"
-	"adventofcode2024/utils/inputs"
-	"fmt"
-
-)
-
-type Plot struct {
-	crop    string
-	visited bool
-	region  int
-	x		int
-	y 		int
-}
-
-type Region struct {
-	plots      []Plot
-	crop       string
-	id         int
-	area       int
-	perimteter int
-	sides      int
-}
-
-func Part1(input string) int {
-	var val int
-	region_id := 0
-	regions := make(map[int]Region)
-	grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
-	fmt.Println(grid.StringWithFormatter(formatter))
-	for y := 0; y < grid.SizeY(); y++ {
-		for x := 0; x < grid.SizeX(); x++ {
-			var region Region
-			plot := grid.Get(x, y)
-			if plot.visited {
-				continue
-			}
-
-			region_id++
-			region = Region{id: region_id, area: 1, crop: plot.crop, sides: 4}
-			plot.region = region_id
-			plot.visited = true
-			plot.x = x
-			plot.y = y
-			grid.Set(x, y, plot)
-			region.plots = append(region.plots, plot)
-			regions[region_id] = region
-
-			try_neighours(grid, &region, x, y)
-			regions[region.id] = region
-		}
-	}
-	for _, region := range regions {
-		val += region.area * region.perimteter
-	}
-	return val
-}
-
-func Part2(input string) int {
-	var val int
-	region_id := 0
-	regions := make(map[int]Region)
-	grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
-	fmt.Println(grid.StringWithFormatter(formatter))
-	for y := 0; y < grid.SizeY(); y++ {
-		for x := 0; x < grid.SizeX(); x++ {
-			var region Region
-			plot := grid.Get(x, y)
-			if plot.visited {
-				continue
-			}
-
-			region_id++
-			region = Region{id: region_id, area: 1, crop: plot.crop}
-			plot.region = region_id
-			plot.visited = true
-			plot.x = x
-			plot.y = y
-			grid.Set(x, y, plot)
-			region.plots = append(region.plots, plot)
-			regions[region_id] = region
-
-			try_neighours(grid, &region, x, y)
-			regions[region.id] = region
-		}
-	}
-	for _, region := range regions {
-		val += region.area * get_sides(grid, region)
-	}
-	return val
-}
-
-func formatter(p Plot, x int, y int) string {
-	return fmt.Sprintf("%v", p.crop)
-}
-
-func try_neighours(grid *grid2d.Grid[Plot], region *Region, x int, y int) {
-
-	directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
-	plot := grid.Get(x, y)
-	perimeters := 0
-
-	for _, dir := range directions {
-		x1 := x + dir[0]
-		y1 := y + dir[1]
-		nplot := grid.Get(x1, y1)
-
-		if nplot.crop == plot.crop {
-			if !nplot.visited {
-				region.area++
-				nplot.visited = true
-				nplot.region = plot.region
-				nplot.x = x1
-				nplot.y = y1
-				grid.Set(x1, y1, nplot)
-				region.plots = append(region.plots, nplot)
-				try_neighours(grid, region, x1, y1)
-			}
-		} else {
-			perimeters++
-		}
-	}
-}
-
-func get_sides(grid *grid2d.Grid[Plot], region Region) int {
-	sides := 0	
-	corners := [][][]int{{{-1, 0}, {0, -1}, {-1, -1}},
-					     {{+1, 0}, {0, -1}, {+1, -1}},
-					     {{-1, 0}, {0, +1}, {-1, +1}},
-					     {{+1, 0}, {0, +1}, {+1, +1}}}
-	for _, plot := range region.plots {
-		for _, o_corners := range corners {
-				c1 := grid.Get(plot.x + o_corners[0][0], plot.y + o_corners[0][1])
-				c2 := grid.Get(plot.x + o_corners[1][0], plot.y + o_corners[1][1])
-				c3 := grid.Get(plot.x + o_corners[2][0], plot.y + o_corners[2][1])
-				if c1.crop != region.crop && c2.crop != region.crop {
-					sides++
-				} else if c1.crop == region.crop && c2.crop == region.crop && c3.crop != region.crop {
-					sides++
-				}
-		}
-	}
-	return sides
-}
\ No newline at end of file
diff --git a/2024/go/day12/day12_test.go b/2024/go/day12/day12_test.go
deleted file mode 100644
index 1602d7c..0000000
--- a/2024/go/day12/day12_test.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package day12
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`RRRRIICCFF
-RRRRIICCCF
-VVRRRCCFFF
-VVRCCCJFFF
-VVVVCJJCFE
-VVIVCCJJEE
-VVIIICJJEE
-MIIIIIJJEE
-MIIISIJEEE
-MMMISSJEEE`)
-	require.Equal(t, 1930, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`AAAA
-BBCD
-BBCC
-EEEC`)
-	require.Equal(t, 80, r)
-}
diff --git a/2024/go/day12/input.txt b/2024/go/day12/input.txt
deleted file mode 100644
index d0b3daa..0000000
--- a/2024/go/day12/input.txt
+++ /dev/null
@@ -1,140 +0,0 @@
-UUUUUUUUUUUUUUUUUUUDQQQQQQQOOOOOHHSSSSSYYYYYYYYGGGGNNNNNNNNTTTTTTTTTTTTTTDDDDDDDDDDDDDDDDDDNNNCCNJJJJOOHHHDDDDDDDDDDDDDDDDDDXXMBBBBMMCCCCCCC
-UUUKUUUUUUUUUUUUUDDDDDDDQQQOOOOOOOOOSSSSSYYYYYYYYGGGGGNNNNTTTTTTTTTTTTTTTTTTTTDDDDDDIIDDDNNNNNCCNJJJOOOHDDDDDDDDDDXDDDDDDDMMMXMMMMMMMMCCCCCC
-UUUKKUUUUUUWUUUUUUDDDDDDDDDROOOOOOOWWSSSSYYYYYYYGGGGGGGQNTTTTTTTTTTTTTTTTTTTTTDDDDDDDIDIINNNNLNNNNOOOOODDDDDDDDDDXXDDDDDDDMMMMMMMMMMMMCCCCCC
-UUKKUUKKXUUUUUUUUDDDDDDDDDDDDOOOOOOOOYSSSSSYYYYYGGGGGGQQNNTTTTTTTTTTTTTTTTTTTTDDDDDIDIIIINNNNNNNNNNOOOODDDDDDDXDDXXDDDDDDDMMMMMMMMMMMMMMCCCC
-UUKKUKKKXXUQQQQUUDDDDDDDDDDDDOOOOOOOOYYYYYYYYYYYGGGGGQQIINTTTTITTTTTTTTTTTTTTTTDDDIIIIIIIINNNNNNNNNOOODDDDDDDDXXXXXXDDDDDMMMMMMMMMMMMFFFFCCC
-UKKKKKKKXKAWWWWWDDDDDDDDDDDDDOOOOUUOYYYYYYYYYYYYGGGGQQQQIIDITIIIITTTTTTTTTTTTTDDDDIIIIIIINNNNNNNNLLLLODDDDDDXXXXXXXXDXDDDMMMMMMMMMMMMFFFFCCC
-KKKKKKKKKKKWWWWKDPPDDDDDDDWWWOOOOOUUYYYYYYYYYYYYYGRQQQQQIIIIIIIIITTTTTTTTTTTDDDDDDIIIIIIIIINNNNNNNLLLLLDDDDDXXXXXXXXXXDDDDDMMMMMMMMMMFFFCCCC
-KKKKKKKKKKWWWWWWDDDDDDDDDSWWWOWOOOOUYYAYYYYYYYYYYYQQQQQIIIIIIIIOIITTTTTTTTTTDDDDIIIIIIIIIIINNNNNLNNNLLLDDDDDDXXXXIXYDDDDDDDMMMMMMMMMMFFFCFCC
-KKKKKKKKWWWWWWWWSSDSDDDDDSSWWWWOOOOUYYAYYYYYYYYYYQQQQQQIIIIIIIIIITTTTTTTTTTDDDIIIIIIIIIIIINNNNNNLLLLLLLDDDDDDXXXXIXYDDDQDDDMMMMMMMUMFFFFFFFC
-KKKKKKKWWWWWWWWWSSSSDSDSSSSWWWWWOOOUYYYYYYYYYYYYYYQQQQIIIIIIIIIIIIIXXXXXTTTTDIIIIIIIIIIIKINNLNNNLLLLZLLLLDDVDXXXXXYYDDQQDDTMMYYYMMUUUFFFFFCC
-KKKKKKKKWWWWWWWWWWSSSSSSSSSSWWWWWWOUYPPPPPYYYYYYQQPQQQQAIIIIIIIIISSXXXXXXXTTDIIIIIIIIIIIIIIILLLLLLLLZZLLLDDDXXXXXXXYYDXXXYMMMYYYYMPUUFFFFFFC
-KKKKKKKKWWWWWWWWWWBBBBSSSSSWWWWWWWSSPPPPWWWWWWAYPPPPQAAAAITTIIIIIXXXXXXXUTTXXXIIIIIIIIIIIIIOLLLLLLLLZZLLLLLLLLXXXXYYXXXXXXXXRPPPPPPPPPFFCCFC
-KKKKKKDWWWWWWWWWWWDDBBBSSSSWWWWWWWWSSPPPPWWWWWWWPPPPPAAAAIIIIIIIIXXXXXXXXXDXXIIIIIIIIIIIIIIOLLLLLLLZZZZZZLLLLNXNNXNYYYXXXXXXPPPPPPPPPPFFCCCC
-KKKKKKWWWWWWWWWWWWBBBBBBBSSSWWWWWWWSSSSPPWWWWWWWPPPPPAAAAAAIIIIIIIXXUUUUUUXXXXIIIIIIIIIIIIIILLLLLLLZZZZZZZLLLNNNNNNYYYXXXXXXPPPPPPPPPPCFCCCC
-KTKQQKWWWWWWWWWWBWBBBBBBBSBSWWWWWSSSSSPPPWWWWWWWWPPPPPPAAFAIIYYYUUUUUUUUUUUXXXQQQIIIXXXXXXXXXXLLLLLZZZZZZZZZLNNNNNNYYXXXXXXXPPPPPPPPPPCCCCCC
-QQKAQQWWWWWWWWWWBWBBBBBBBBBSWWWSSSSSSSSPPWWWWWWWPPPPPPPPPPYYYYYYUUUUUUUUUUUQXQQQQQQIXXXXXXXXXXLZLLEZZZZZZZZZLNNPNNNYYXXXXXPXPPPPPPPPPPPCCCCC
-QQQQQQQWWWWWWWWWBBBBBBBBBBVWWWDDSSSSSSSSSPWWWPPPPPPPPPPPPPYYYYYYUUUUUUUUUUUUUUUUQQIIXXXXXXXXXXLZZZZZZZZZZZZLLUUUUUUUUXXXXXPPPPPPPPPPPPCCCCCC
-QQQQQQQQWWWWWWWWBBBBMMMBBBMWWWDSSSSSSSSSSPPPPPPPPPPPPPPPYYYYYYYBYYXXXXXUUUUUUUUUOIIIIZZZZZLLLZZZZZZZZZZZZZZZZIIIIUUUUUXPPXPPPPPPPPPPYYCCCCCC
-QQQQQQQQQWWZZZWMMMMMMMMMBMMWWDDSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYXXXXXXUUUUUUUUUOOIIIZZZZLLLLLZZZZZFFFFFFFFFHHHIUUUUUPPPPPPPYPPYPPPYYYCCCCCC
-QQQQQQLQQQWWZZZMMMMMMMMMMMHHWSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYYXXXXXXXUUUUUUUUUOIIIIIZLLLLLLZZZZZZFFFFFFFFFHHHIUMUUUPPPPPPPYYYYYYYYYYYCCCYC
-QQQQQLLQLLZZZZMMMMMMMMMMMMMMWSSSSSSSSSSSPPPPPPPPPBYPPPYYYYYYYYYYYYXXXXXUUUUUUUUUIIIIIIIILLZZZZZZZZZFFFFFFFFFHHFFFFQUULLPPPPPQYYYYYRYYYYYYYYY
-QQQLLLLLLLLZZZMMMMMMMMMMMMMMNMSSSSSSSSSSVVPPPPPPBBYYYYYYYYYYYYYYYYYXXXXUUUUUUUUUOIIIIILLLLZZZZZZZZZFFFFFFFFFFFFFFFFUUMMPPPPPYYYYYYYYYYYYYYAA
-QQQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSSSVVPPPBBBBBBYYYGGGGGGGGGYYYYYYYYUUUUUUUUUIIIIILLLLZZZZZZZZZZFFFFFFFFFFFFFFFFMMMOPPPPGYYYYYYYYYYYYYYYA
-QQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSRRSVVVVVVBBBBBYYYGGGGGGGGGYYYYYYYXUUUUUUUUUIIIIILLLLLZZZZZZZZZZZHHZZHHFFFFFFFFMMMMMPPPYYYYYYYYYYYYYYYYY
-QQLLLLLLLLLZZZMMMMMMMMMMMMMMMSSSSSSRRRRSVVVVVBBBBBBBYYGGGGGGGGGYYYYYYEEUUUUUUUUUIIIIILLLLLBZZZZZZZZZZHHHHHHFFFFFFFFMMMMMMPIIYYYYYYYYYYYYYYYY
-QQQLLLLLLZZZZZZMMMMMMMMMMMMMFSSSSSSRRRRRRVVVVVVVVBBYGGGGGGGGGGGYYXYYYEEEEEEEEEEEIEIILLLLLLZZZZZZZZZZZZHHHHHFFFFFFFFMMMMMMPPIIYYYYYYYYYUUYYYU
-QQQQQQGLLLLPPPMMMMMMMMMMMMMMMSRSSSRRRRRRVVVVVVVVBBBQGGGGGGGGGGGGGGYXXXEEEEEEEEEEEEELLLLLHZZZZZZZZZZZXZHHHHHFFFFFFFFMMMMIIIIIYYYYYYYYYYUUUUYU
-QQQQQQQQQLKPPPPIIMMMMMMMMMUUUURRSRRRURRRVVVVVVVVVBQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJEELLLHHHHHHHHHZZDDZZZHHHHHFFFFFFFFQMMMQQIIIIYUUUUYYYYUUUUUU
-JJQQQTQQQKKKPPPPPQQMUUMUUUUUURRRSRUUURRRUUUVVVUVVVQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJJJLLHHTTHHHHHHYYYDDDZHHHHHFFFFFFFFQMMMQQQQQUUUUUUUUUUUUUUUU
-JJJJQTTQKKKPPPPPPQQQUUUUUUUCURRRRRRUUURRUUUVUUUUVVQQGGGGGGGGGGGGGGXXXXZEEEEEEEEEJJJJJHTTTTHHHHHHYDDDDHHHHHHMMQQQHQQQQMQQQQQUUUUUUUUUUUUUUUUU
-JJJJJTTTPKKPPPPPPPQUUUUUUUUUUURRRRRRUUUUUUUVUUUUUVVQGGGGGGGGGGGGGGXXXXZEZZZZEEEJJJJJTTTTTTTTHHHHYYYMMHHHMHHMMMQQQQQQQQQQQQQUUUUUUUUUUUVUUUUU
-JJJJJTTPPPPPPPPPPPPUUUUUUUUUURRRRRRUUUUUUUUUUUUUUVVUGGGGGGGGGGGGGGXXRRZZZZZZEEDDDJJTTTTTTTTHHHHHYMMMMHMHMMMMMMMQLLLQLQQQQQQUUUUUUUUUVUVVUUUU
-JJJJJJJPPPPPPPPPPPUUUUUUUUUUURRRRPRRRUUUUUUUUUUUUVVUGGGGGGGGGGGGGGZRRRRRRRDDDDDDDJJJZTTTTTTTHHYYYYMMMMMHHMMMMMLLLLLLLLQQSQQSSUUUUBBBVVVVVUUU
-JJJJJBBPPPPPPPPPPPUUUUUUUUUUUURRRPPCCUUUUUUUUUUUUUUUGGGGGGGGGGGGZZRRRRRRRBDDDDDDDJJJTTTTTTTTYHYYYYYYUMMMHMMMMLLLLLLLLLLLSSSSUUUUBVVVVVVZVUUU
-JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURRPPPCCGUUUUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRYDDDDDDJJTTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLSSSSSSUUUBVVVVVVVVVUU
-JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURUPPPCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDJTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLLSSSSSSSSSEEEEVVVVVVVU
-JJJJBBBBQQQPPPPPPPUUUUUUUUUUUUUUPPCCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDTTTTTTTTTTYYYYYYYOYMMMMMMMMMMMMMLLLLLLSSSSSSEEUEEEVEEVQQVQ
-JJJJJBBBBQQQPPPPUUUUUUUUUUUUUUPPPPCCCCCCCCCFFUUUUUUUQGGGGGGEEKKKKZZRRRRRRRRRDDDDHDTTTTTTTTTTTTYYYYYYYMMMMMMMMMMMMMMMSSSSSSSSSSEEEEEEEEQQQQQQ
-JJJJBBBBBQQQQQPPUHHWUUUUUUUUUUPPPPCCCCCCCCCFFUUEUUMUQGGGGGGEEEKKKZRRRRRRRRRRRHDDHDDDTTBTTTTTTTYYYYYYYYMMMMMMMMMMMMSSSSSSSSSSSEEEEEEEEEEQQQQQ
-JJHBBBBBQQQQQPPPPHHWWUUUUUUUUPPPPPCCCCCCCCCCAUUEUUUUQGGGGGGEKKKKPRRRRRRRRRRRRHHHHHDTTTTTNTTTTTTTXYYAAYYMMMMMMMMMMMGGSGGGOOOSOOOEEEEEEEEEQQQQ
-JHHHBBBBQQQQQPPPPHHWWUUUWWWUPPPPPPPPCCCCCCAAAAAEEEUUUGGGGGGCKKKKKKKRRRRRRRRRRHHHHHDTWWTTNNNTTTXXXYAAAAMMMMMMMMMMMGGGGGGJOOOOOOEEEEEEEEEEQQQE
-HHHHBBBUQQQQQPPPPWHWWWUWWWWUPPPPPPPPPPCCCCAAAAAEEEEEEGGGGGGCKKKKKKKRRRRRRRRRGGHHHHHHWWNNNNNNTXXXXXXAAAAAMMMMMMMMGGGGGGJJOOOOOOEEEEEEEEEEEQEE
-HHHHHBBBBQQQPPPPWWWWWWWWWWWWWPPPPPPPPPCCCAAAAAEEEEEECCCCCCCCKKKUKKRRRRRRRRRRRGHHHHHWWDDDNNNNTTXNNNNVAAAAAMWMMMMMGGGGGGJJOOOODEEEEEEEEEEEEEEE
-HHHHHHHHUQQUPPPPWWBWWWWWWWWWWPPPPPPPPPCCAAAAAAAEEEEECCCCCCCCCKKKKRRRRRRRREKKKKKDHHHWDDDDNNNNNNNNNNNNNAAAAAMMMMPMMEGGGEOOOOOOEEEEEEEEEEEEEEEE
-HHHHUHHHUQQUUPPPSUUWWWWWWWWWWPPPPPPPPPPCJPBAATTTTTEEEERRCCCCRRKKKKRRRRRRRRKKKKKKNHHWDDDDDNNNNNNNNFFNNAAAAAAAAMPMEEGGGEOOOOOOVVVEEEEEEEEEEEEE
-HHHHUUUUUUUUUUVVUUWWWWWWWWWWWPPPPPPPPPPPPPAATTTTTTEEEERRUCCCCRKKKKKKRRRKKKKKKDDJDDDWDDDDDNNNNNNNNNNNAAAAAAAAAMMAEEEGGEEOOOOOOVVSESSSSEEEEEEE
-HHHHHUUUUUUUUUUUUUWWWWWWWWWWWPPPPPLTTPPPPPPTTTTTTTTTEERRRCCCCRRKKKKKRRKKKKKKKDDDDDDDDDDDDDDNNNNNNNNNAAAAAAAAMMAAEEEEGEEEEEOOVVSSSSSSSEEEEEEE
-HHHHHHHHHUUUUUUUUUWWWWWWWWWWLLLLLLLTTPPPPPPTTTTTTTTTEERRPCERRRRRKKKKKKKKKKKMKLDDDEDDDBBBBBBBNNNNNNNNNAAAAAAAAAAAAAEEEEEEEEOOVVSSSSSSSSSSEGGE
-HHHHHHHUUUUUUUUUXUWWWWWWWWWWLLLLLLLTTTPPPTTTTTTTTTTTERRRRRRRRRRRRKKKKKKKKMKMLLLDDDDDDBBBBBBBNNNNNNANAAAAAAAAAAAAAAEEEEEEEEEESSFSSSSSSSSSESGG
-HHHHHHHUUUUUUUUXXXXWWWWWWLLLLLLLLLTTTTTTTTQTTTTTTTTTTRRRRRRRRRRRKKMMKKKKKMMMMMLLDDDDDBBBBBBBNNNNNNNAAAAAAAAAAAAAAAKKEEEEEEEESSSSSSSSSSSSSSGG
-HHHHHUUUUUUUUUUXXXXXWWWXLLLLLLLLLLTTTTTQQQQTTTTTTTTTTTRRRRRRRRRRRKMMMKKKKMMMMMMDDDDDDBBBBBBBNNNNNNNNNAAAAAAAAAKKKKKKEEEEEEEEESSSSSSSSSQSNQGG
-HHHKKUUUUKUUUWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQTQQQTTTTTTRRRRRRRRRRRRMMMMKKKKMMMMMMDDDDDDBBBBBBBDNNNNNNNBBBBBBBAAAAKKKKKKKEEEEEEEESSSSSSSSQQQQGG
-HHHHKKLKAKKUWWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQQQQTTTTTTTRRRRRRRRRRRRMMMMMKMMMMMMMMQQDDDDBBBBBBBNNNNNNNNBBBBBBBAAAAKKKKKKEEEEEEEESSSSSSSSSQGQQGG
-HHHHHKKKKKKUWWWWWXXXXXXXXLLLLLLLLLQVQQQQQQQQQQQTTTTTRRRRRRRRRRRNNMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBNABBBBBBBAAAAKKKKKKEEEEEENEESSSSSSQSQQQQGQ
-HHHHKKKKKKKRWWWWWWXXXXXXXLLLLLLIILIQQQQQQQQQQQQQTTTTRRRRRRRRRRRNMMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAKKKKKKEEEENNNNSSSSSSSQQQQQQQQ
-HMHHKKKKKKKRWWWWWXXXXXXXXLLLLLLIIIIQQQQQQQQQQQQQTTTRRRGRRRRRRRRNMMMMMMMMMMMMMMZQZZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAAAKKKKEEENNNNNSSSNSSSQQQQQQQQ
-MMKKKKKKKKKWWWWWWXXXXXXXXLLLLLLLLIIIQQQQQQQQQQQQQQTRRRRKKRRRRRNNMMMMMMMMMMMMBBZZZZZZDBBBBBBBBBBBBBBBBBBBBBBAAIIAKKKKKKKENNNNNNNSNSSUUQQQQQQQ
-NMMMMKKKKKKWWWWWWWXXXXXLLLLLLLLLLLLIIQQQQQQQQQQQQEEERRIIKRRRRNNNMMMMMMMMMMMMMBZZZZZZZBBBBBBBBBBBBBBBBBBBBBBNIIIKKKKKKKKKKNNNNNNNNSUUQVQQQQQQ
-MMMKKKKKKKKWWWWWWXXXXXXXXRRRRJXXXLIIQQAQQQQQQQQQQEEEEEIIIIINNNNNNMMMMMMMMMMMBBZZZZZZZDSSBBBBBBBBBBBBBBBNNNEEIIIKKKKKIKKNNNNNNNNNNNQQQQQQQQQQ
-MFMIFFKKKKKKWWWWWWXXXXXXRRRRJJJXXQQQQQQQQQQQQQQQQEEEEEEEIINNNNNNNNNNMMMMMMMBBBBBZZZZZDZZBBBBBBBBBBBBBBBNNNIIIIIKKKIKIINNNNNNNNNNNQQQQQQQQQQQ
-FFBIFFFKKKKKWWWWWWXXXXXXWWRRRJJXXXXQQQQQQQQQQQQQQEEEEEIIIINNNNNNNNNNNMMMMMMMBBBCBZZZZZZZBBBBBBBBBBBNNNNNNIIIIIIIIIIIIINNNNNNNNNNNNNQQQQQQQQQ
-FFBBBFFFFKKKYWWWXXXXXXVWWWRRRJXXXXXXXQQQQIQQQUQQUUEUEEIIIIIIINNINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBIINNNNIIIIIIIIIIIIIIINNNNNNNNNNNNNHQQQQQQ
-FBBBBFFFFFFFFWWWXXXXXXXWWWRWWXXXXXXDDPPPQQUUUUUQUUUUIIIIIIIIIIIINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBINNNNNIIIEIIIIIIIIIIIINNNNNWNNNNNNHQZQQQQ
-BBBBBFFFFFFFEEEQXXXXXXXXWWWWWXWXXXXDDPPZZUUUUUUUUUUUIIIIIIIIIIIINNNNNNMBBBBBBBBBBBBZZZZZZZBBBBBBBBBIIIIEEEEEEIIIIIIIIIIIWWWWWUWWNWNNNNQZZDDD
-BBBBBFFFFFEEEEEQXNNXXXWWWWWWWWWWXDDDDQQUUUUUUUUUUUHBIIIIIIIIIIIBNNNNNNBBBBBBBBBBBBZZZZZZZZBBBBBBBBBIIIIIEEEEEIIIIIIIIIIIWWWWUWWWWWNNNNNZDDDD
-BBBBBBFFFFFEEEEEENNNNWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBIIIIIIIIIIIBNNNNNBBBBBBBBBBBBDBBZZZZZZBBBBBBBBBIIIIEEEEEEEEEIIIIIIIWWWWWWWWWWWNNNZZZDDDD
-BBBBBBBEFFFEEEEEENENNNWWWWXXXXXXXXXXDDDDDDDDUUUUBBBBBIIIIIIIILBBBNBNNNNBBBBBBBBBBBBZZZZZZZBBBBBIIIIIIEEEEEEEEEEEIIIIIIIWWWWWWWWWWWZZZZZZDDDD
-BBBBBBEEEYEEEEEELEEENNWWWWXXXXXXXXXXDDDDDDUUUUUUUBBBBIIIIIIIIIBBBBBBBBBBBBBBBBBBBBBBZZZZZZHHHUUUIIIIIENEEEEEEEEEIIIIMMMWWWWWWWWWWWZZZZZZZZDD
-BBBBBBBEEEEEEEEEEEEENWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBBIIIIIEIIBBBBBBBTTBBBBBBBBBBBBBZZZZZZZHUUUUUUUIIEEEEEEEEEEEEEMMMMMMMWWWWXXXXXWZZIJZZZZDZ
-BBBBBBBBBEEEEEEEEEEEELXXXXXXXXXXXXXXDDDDDDUUUUUUUBTUBIIIIIIIBBBBBBBBTBBBBBBBBBBBBBZZZZZZZZUUUUUUUUIIIELEEEEEEEEEEMMMLWWMWXXXXXXXXXZIIIIIZZDZ
-BBBBBBBBBEEEEEEEEEEEEEXXXXXXXXXXXXXXDRRDZAUUUUUUUUUUUNNNNIMBBBBBBBBBBBBBBBBBBBBOOBZZZZZZZZZUUUUUUUUUEEEEEEEEEEEEEMMMLLWWWXXXXXXXXXZIIPIZZZZZ
-BBBBBBBBBBEEEEEEEEEEEWXXXXXXXXXXXXXXDRRDAAAUUUUUUUUMMMNMNNMBBBBBBBBBBBRNBBBBBVNOZZZZZZZZUUUUUUUUUUUUUEEEEEEEELELLMMLLLWWWXXXXXXXXXZIIIIIIZZZ
-BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAARAUUUUUUUMMMMMMMMBBBBBBBBBBBRNNBBNNNNOOZZZNNZUUUUUUUUUUUUUUUUEEEEEELLLLMLLLLWWWXXXXXXXXXZIIIIIIZZZ
-BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAAAAAUUUUUUMMMMMMMMBBBBBBBBBBRRNNNNNNNNOONZZNNZUUUUUUUUUUUUUZEEEEEEEELLLLLLLLVWWWXXXXXXXXXIIIIIIIIIZ
-BBBBBBLLLLLLLLXXEEEVEKXXXXXXXXXXXXXXWVVVVVVAAAAUUUUMMMMMMMMBBMBBBBBBBBRNNNNNNNNNNNNNNUUUUUUUUUUUUUUUEEEEEEEEELLLLLLLLLLLWXXXXXXXXXIIIJZZZZZZ
-BBBBBBLLLLLLLGLLEEEEEKXXXXXZZZZZZZWWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBNNNNNNNNNNINNNNUUUUUUUUUUUUUUJEEEEEEEELLLLLLLLLLLWWXXXXXXXXXJJJJJJJZZZ
-BBBBBBLLLLLLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBBNNNNNNNNNNNNNNUUUUUUUUUUUUVVICCELEEEELLLLLLLLLLDDWXXXXXXXXXWWJJJJZZZZ
-BLLLLLLLOOOLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVVURRUFRMMMMMMMMMBBBBBBBBNNNNNNVKKNNNNNNNNNNNUUUUIVVVVVICCCEEEEELLLLLLLLLDDDDXXXXXXXXXJJJJJJJZZZ
-BLLLLLLLOOOLLLLLLLLLLLCZZZXXXXXXXXXZVVVVVVVVVVRRRRRRRRMMMMMMMIIIBBBBBBBBVVVVVKYNNNNNNNNNNNUIIIIVVVIIIIEEEEELLLLLLLLLLDDDDDDXXXJJJJJJJJJJJZZZ
-BLLLLLLLOOOLLLLLLLLLLLLLZZXXXXXXXXXZVVVVVVVVVRRRRRRRRRRRTTTIIIIIIIBBBYYVFVVVVVYYNNNNNNNINNNIIIIVVIIIIEEEEEEEELVLLLLGLLDDDDDXXXJJJJJJJJJJJJJZ
-LLLLLLLLOOOLLLLLLLLLLLLNZZXXXXXXXXXZVVVVVVVVRRRRRRRRRRRRRRRNIIIIIBBBBYYVVVVVYYYYYYNNNNNIIIBIIIIVIIIIIBEEEDDKELVVDLLLLDDDDDDDDDJJJJJJJJJJJJJZ
-LLLLLLLLOOOLLLLLLLLLLALNZZXXXXXXXXXZVVVVVVVVKRRRRRRRRRRRRRRRRIIIIBBBBBYYYYVVYYYYYYNNNIIDIIIIIIIIIIIIIIDREDVDEVVVDLLDLDDDDDDDDJJJJJJJJJJJJJJJ
-LLLLLLLLOOOLLLLBBBLLAAZZZZZZZZZZZZZMVVVVVVVRRRRRRRRRRRRRRXRRIIIIIIIIBYYYYYVVYYYYYYNNNIIIIIIIIIIIIIIIIIDDDDDDDVVDDDDDDDDDDDQDDDJJJJJJJJJJTJJC
-LLLLLLLLOOOLLLBBBBLLLAAAAAMZZZZMZZMMMVVVVVVRCCCRRRRRRRRRRRRRIIIIIKKYYYYYYYYYYYYYYYYYNNIIIIIIIIIIIIIIIIDDDDDDDVDDDDDDDDDDDQQDDDJJJJJJJJJTTTJC
-LLLLLLLLOOOLLLLBBBLQLAAAAAMMMZZMZMMMVVVVVVVRCCCCCRRRRRRIIIRRRIIIIKKYYYYYYYYYYYYYYYYYYIIIIIIIIIIIIIIISIDDDDDDDVVDDDDDDDDDQQQDQQGJJJJJJJJGGGCC
-LLLLLLLLOOOLLLBBBBBBAAAAAAMMMMMMMMMMMVVVVVVCCCCCCRRRRRRIIIIIIIIIIIKYYYYYYYYYYYYYYYOOOIIIIIIIIIIIIIIIGIDDDDDDDDDDDDWWQQQQQQQQQQGJTJJWWWWGGGCC
-LLLLLLLLOOOLLLBBBBBBAAAAAAAMMMMMMMMMXXVVVVVCCCCCCCEEERJJJIIIIIIIIKKKKYYYYYYYYYYIIIIIIIIIIIIIIIIIIIIGGGDDDDDDDDDDIWWGQQQQQQQQTTJJTTGGGGWGGGGC
-TLLLLLLLLLLLLLBBBBBBBAAAAAAMMMMMMMMXXXVVXVVCCCCCCCEEEEAAAAAIIIIIIKKKKYYYYYYYYYYIIIIIIIGIIIIIIIIIIFGGGGDDDDDDDSDWWWGGQQQQQQQQTTTTTGGGGGGGGCCC
-TLLLLLLLLLLLLLCBBBBBBBACAAAMMMMMMMMXXXXXXXCCCCCCCCEEECAUUUUUUIIIIKKKYYYYYYYYYIIIIIIIIIGIIIIIIFFFFFGGGGDDDDDDSSSSWWWGGQQQQQQQTTTTGGGGGGGGGCCC
-ZLLLLLLEELLLLLBBBBBBBUCCCMMMMMMMMMMMXXXXXCCCCIIIIIIIIIIUUUUUUHIIKKKKYYYYYYYYYYGXIIIIIIGIIIIIIGGFFFGGGGGDDDDDSSSSSGGGGGQQQQQTTTTGGGGGGGGCCCCC
-ZZLLLZZLLLLLLLBBBSBBBBBCMMMMMMMMMMXXXXXXXXCCCIIIIIIIIIIUUUUUUHIIIIKKJYYYYYYYYGGGIIIIIGGGGIIIQGGFGGGGGGGSSSSSSSSSSSSGGQQQQQTTQTTTTGGGGGGCCCCC
-ZZZEZZZZZLLRLLCCKCBBCCCCMMMMMMMMMMMXXXXXXXCCCIIIIIIIIIIUUUUUUHHHIIKKJYYYGGAGGGGGGFGIWGGGGIIGGGGGSSSSSSSSSSSSSSSSSSGGGQQQQQQQQQTTGGGGGGGCCCCC
-ZZZZZZZZZZLLLLSCCCCCCCCCCMNNMMMMMEEXXXXXXXXCCIIIIIIIIIIUUUUUUHQHHHJJJJJYGGGGGGGGGFGGGGGGGGGGGGGGSSSSSSSSSSSSSSSSSWWWGWQQQQQQQQQTGGGGGGCCCCCC
-ZZZZZZZZSSLLLSSSCCCCCCCCMMNMMMMMMMMXXXXXXCCCTIIIIIIIIIIUUUUUUHQHHJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSSSSSSWWWWWWWWWQWQQQQWQTTGGGGGGGGCCCC
-ZZZZZZZZSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXCXXCIIIIIIIIIIQQQQQQQQQAJJJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSWWWWWWWWWWQWWWQQGGGGGGGGGCCCC
-ZZZZZZZSSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXXXXXIIIIIIIIIIIIQQQQQQAAEAJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGDDDSSSSSSSSWWWWWWWWWWWWQQQQQGOGGGGGGCCQC
-ZZZZZZZZSTTTSSSSSCCCCCCCMMMMMMMMMMXXXXXXXXXXXXXWWIIIWAIIIQQAPQQAAAAAJJJJGGGGGGMGGGGGGGGGGGGGGGGGGGGGDDDDSSSSSSSAWHWHWWWWWWWQQQQQGGGQQGGGGCQQ
-ZZZZZZZZZTTTSSSTSSCCHCCMMMMMMEMMMAXXXXXXXXXXXXWWWIIIIIIIIIAAPPPAAAAAJJJMGGGGGGMMMGGGGGGGGGBBGGGEGGGGDDBDSSSSSSSHHHHHWWWWYWWQQQQQQQQQQQQGQQQQ
-ZZZZZZZOZTTTTTTTTSCCHCHMMMEEEEEMAAXXXXXXXXXXXXWIIIIIIIIIIIAUAPAAAAAAJJJMGGGMMGMMMGGGGGGGGGGGGGEEGGGGSSSSSSSSSSSHHHHHWWWYYQQQQQQQQQQQQQQQQQQX
-ZZZZZZZOZZTTTTTTTTTHHHHHMEEEEEEEEAAXXGXJXXXXXXWIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHWHHHHQQQQQQQQQQQQQQQQQ
-ZZZZZOOOTTTTTTTTTTTTTTEHEEEEEEEEAAXXXXXJXCXXXIIIIIIIIIIIIIAAAAAAAAAAMMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHHHHHHQQQQQQQQQQQQQQQQQ
-ZZZZZOOOTTTTTTTTTTTTTTEEEEEEEEEEEAXXAAAJACCCCIIIIIIIIIIIIIAAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGGGGEEEEEEESSSSSSSSSSSHHHHHHHHHHHHQKKQQQQQQQQQQQQQQ
-OOOOOOOOOOTTTTTTTTTTTUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIFAAAAAAAAAAAMMMMMMMMMMMGGGGGGUGGGEGEEEEEEESSSSSSSSHHHHHHHHHHHHHHHHKKKKQQQQQQQQQQQQ
-OOOOOOOOOOTTTTTTTTTTUUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGEEEEEEEEEEESSSSSSSSXXHHHHHHHHHHHHHHKKKQQQQQQQQHQQQQ
-OOOOOOOOOOOTTTTTTTTTCCCESSSSSSSZEAAAAAAAEEECCSIIIIIIIIIISSAAAAAAAAAAMMMMMMMMMMMMMMGGGGOOEEEEEEEEEEEESSSSSSSSXXXHHHHHHHHHQHHHHKNPPIQQQQQHQHHH
-OOOOOOOOOOTTTTTTTTTTCCCCSSSSSSSEEEAAAACEEEESSSIIIIIIIIIISSAAAMMAAAAAMMMMMMMMMMMMMMXXGGJEEEEEEEEEEEXBSSSSSSSSXXXXHHHHHHHQQHHKKKNNPIIIQIIHHHHH
-OOOYYYYYOOTTTTTTTTTTBCCCSSSSSSSEHHHAAAEEEEESSSIIIIIIIIIITGGAMMMAAAMMMMMMMMMMMMVVVMXXXJJJJEEEEEEEEEXXSSSSSSSSXXXXXHHHHHHHHHKKKKKNNIIIIIIHHHHH
-OOYYYYYYOTTTTTTTTTUTCCCCSSSSSSSEHHHAAAEEEEEESSIIIIIIIIIITGGAMMMAAAAAMDMMMMMMMMVVXXXXXJJJJEEEEERRREXXSSSSSSSSXXXXXHHTHTKKHHKKKKKNNTIIIIIHHHHH
-OOYYYYYYOYTTTTTTTCUCCCCCSSSSSSSYYHIIIIIEEEEESSIIIIIIIIIITTTTMMMMAAADDDDMMMMMMMVVVVXXXJJJJJEEEERRRXXXBBBXXXXXXXXXHHHTTTTKKKKKKKNNNTIIIIIIHHHH
-YYYYYYYYYYTTTTTTTCCCCCCCSSSSSSSYYHIIIIIIEEEEESSSSSSSSSTTTTTJTYYYAADDDDDDVVMVVVVVVVJJJJJJJJEEEEERRXXXBBXXXXXXXXXXGGGTTTTTKKKNNNNNIIIIIIIIIHHH
-YYYYYYYYYYYYTTTYYYCCCCCCSSSSSSSSSPIIIIIEEEEEESSSSSSSTSTTTTTTTTYYYADDDDDDVVVVVVVVVVJJJJJJJJEEEERRRXXXXXXXXXXXVXVVVVGTTTUTKNNNNNNNIIIIIIIIIHHH
-YYYYYYYYIIYYYYYYYCCCCCCCCCSSSSSSSIIIIIIIEEEEEEESSSSSTTTTTTTTTTTYYYDDDDDDVVVVVVVVVVVVVJJJJJEEERRRRRRXXXXXXXXXVVVVVGGTTTTMNNNNNNNNIIIIIIIIIHHH
-YYYYYYYYHHHHHHYYYYCCCCCCCCSSSSSSSIIIIIIEEEEESESSSSSSTJTTTTTTTTYYYYYDDDDDDVVVVVVVVVVJJJJJJJEEERRRRRRRRXXXXXXXVVVVVVVVATTNNNNNNNNNIIIIIIIIHHHH
-YYYYYYYYYHHHHHHYYYCCCCCCCCSSSSSSSIIIIIGEEEEESSSSSSSSSYTTYTYYYYYYYYYDDDDDDDDVVVVVVVVJVVVVJEEERRRRRRRRRXRRXXXXVVVVVVVVAAAANNNNNNNNNIIIIIIIIHHH
-YYYYYYYDYHHHHHYYYYCCCCCCCCSSSSSSSIIIGGGEEEEEESSSSSSSSYYYYYYYYYDDDYYYDDDDSDDDVVVVVVVVVVVVVEEERRRRRRRRRRRRXXXXVVVVVVVVAAAANNNNNNNNNNIIIIUUIIHH
-YYYYYYYYHHHHHYYYYYCCCCCCCCSSSSSSSIIIIIIIPEEEEESSSSSYYYYYYYYYYYDDDDSSDSSSSVVVVVVVVVVVVVVVEEEERRRRRRRRRREEXXXVVNVVVVVVAAAANNNNNNNNNNIIIUUUUUHH
-SYSSSSYYHHHHHHYYYYCCCYCHCCSSSSSSSSSSSIHPPEEEEEEESSSYYYYYYYYDDYDDDDSSSSSSSSSVVVVVVVVVVVMMMMMMKMRRRRRRRRTEXXXXTVVVVVVAAAAAANNNNNNNNNNUIUUUUUUH
-SYSSSSYYHHHHHHYYYYYYCYIHHCSSSSSSSSSSSHHHHEEEEEESSSSAYYYYYYYDDDDDDDFSSSSSSSSSVVVVSVVMMMMMMMMMKMMRRRRRRTTEETTTTTTVVVAAAAAAANNNNNNNNNNUUUUUUUUU
-SSSSSSSSSHHHHHYYYYYYYYYHHHHSSSSSSSSSSHHHHEEEEEEAASSSHYYYYYYDDDDDFFFSSSSSSSSSSVVVSVVMMMMMMMMMMMMRTRRRRTTTTTTTTTTVAAAAAAAAANNNNNNNNNNUUUUUUUMU
-SSSSSSSHHHHHHHHHYYYYYYYYHHHSSSSHHIIIHHHHEEEEEAAAAASHHHHSYYYDDDFFFFSSSSSSSSSSSSSSSVVMMMMMMMMMMMAATRRRTTTTTTTTTTUVAAAAAAAANNNNNNNNNNNUUUUUUUUF
-SSASSSSSSHHHNHHHZZJJYTYHHHHHHHHHHHIIHHHHHHEEEAAAAAAATHXXXYYADDFFFFSSRSSSSSSSSSSSVVVMMMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUNNNNNUNUUUUUUUBBBF
-SSASSSSSSHHHHJHZZJJJYYYHHHHHHHHHHHHHHHHHHHGEEAAAAAAAAXXXXYYAAAAAAAASASSSSSSSSSSSSSVVMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUUNNUNUUUUUUUUUBBBBB
-SAAAASSSSBHHVJHHJJJJYYHHHHHHHYYHHHHHHHHHHHGAAAAAAAAAAXXXXXYYAAAAAAAAAAASSSSSSSSSVVVMMMMMMMMMMAATTTTDTTTTTTTTTTTAAAAAAAAAUUUUUNUUUUUUUUBBBBBB
-SAAAAASBBBBJJJJHJJJJYYHHHHHHYYYYYHHHHHHHHAAAAAAAAAAAAXKXXXIRAAAAAAAAASSSSSGASSSSVVVTMMMMMMMMAAAATTMDTTTTTTTXZTTAAAAAAVAAVVUUUUUXUXUUUUUHHBBH
-AAAAAASSSBJJJJJJJJJHHHHHHHHYYYYYYYYYHHHHHAAAAAAAAAAAAXXXNIIRRAAAAAAAAAAAASSAASSSSVTTMSMMMMMMMAAATTMMMMTTTXTXXTXAAAAAAVVVVEUUUUUXXXUUUUUUHHHH
-AAAAAJRJJJJJJJJJJJJHHHHHHHYYYYYYYYYYHHHHHAAAAAAAAAAAAJIIIIIRAAAAAAAAAAAAAASAAATSRVTTMMMMMMMXXXAAATPMMMKXXXXXXXXXAAAAAVVVVUUUUUXXXXXXXUUUHHHH
-AAAAARRTTJAAJJJJJJJJHHHHHHHYYYYYYYYYHHHAAAAAAAAAAAAAAJIIIIIIIIIAAAAAAAAAAAAAATTTVVTTMMMGMZZXXXXAAMMMMXXXXXXXXXXXAAAVVVVVVUUUUXXXXXXXXXHHHHHH
-AAAAARRRJJAJJJJJJJJJHHHUUUUUYYYYYYYYYYEAAAAAAAAAAAAAAAYYIIIIIIIIAAAAAAAAAAAAAATTTTTTWMMMMZZXXXAAAAMMMXXXXXXXXXXXAAAVVVVVVUVVUXXXXXXXXXXHHHHH
-AAAAAAARJAAJJJJJJJJJMPPUUUUUYYYYYYYYYYAAAAAAAAAAAAAAAAAAIIIIIIIAAAAAAAAAAAAAAATTTTTWWDDDMXXXXXXXAAAXXXXXXXXXXXXXAAVVVVVVVVVVUXXXXXXXXHHHHHHH
-AAAAAARRRAAAJJJJJJJJPPPUUUUUYYYYYYYYYYAANNAAAAAAAAAAAIAIIIIIIIIAAISAIIIAAAATAATWWTWWWWDDXXXXXXXXXXXXXXXXXXXXXKKKAAVVVVVVVVVVUXXXXXXXXHHHHHHH
-AAAAAGGRRAAAAAJJPPPJJPPUUUUUYYYYYYYYYYYOOOOROSSAAAIAAIIIIIIIIFIIAIIIIIIAAOOOAATTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKAAKVVVVVVVVVVVTXXXXXIIXXHHHHH
-AAAAAGGGRRRAAAAAAPPPPPPPPPYYYYYYYYYYYYOOOOOOOSSSSAGGGGGIIIIIFFIIIIIIIIAAOOOOOOTTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKKKKKKVVVVVVVVVVXXXXXXXEXXHHHH
-AAAAAGGARAAAAAAPPPPPPPPPPPPPYYYYYYOYYYOOOOOOOSSSSGGGGGIIIIIIIFIIIIIIIIAAOOOOOOOOWWWWWWIIXHXXXXXXXXXXXXXXXXXXXXKVVVVVVVVVVVVVVVXXXXXXXEXXHHHH
-AAAAAGGAAAAAAAAPPPPPPPPPPPPPPPYYOOOOOYOOOOOOOOOSSGGGGGGIIIIIIIIIIIIIIIOOOOOOHHHHWWWWWWIIXHXXXXXXXXXLXXXXXXXXXXXZZVVVVVVVVVVVVVVXXXXXXXXXHHHH
-AAAGGGAAAAAAAAPPPPPPNNNPPPPPPPPPPOOOOOOOOOOOOOCGGGGGGGGGIIIIIIIIIIIIIIIQIOOOHHHHHWWWWWWIJHHXXXXXXXXXXXXXXXXXXHXZZVVVVVVVVVVVVVVXXXXXYYXXHHHH
-GAAGGGGAAAAAAAAAPJJNNNNPNPPPPPPPNOOOOOOOOOOOOOCGGGGGGGGGGGIIIIIIIIIIIIIIIOHHHHHHHWIWIIIIJHHXXXXXXXXXXXXXXXZZXXZZZVVVVVVVVVVVVVVYXYYYYYYYEEHH
-GGGGGGGGAAAAAAAAAJJNNNNNNPPPPPPPPOOOOOOOOOOUOOOGGGGGGGGGGINIIIIIIIIIIIIIIIIHHHHHHHIIIIJJJHHXXXXXXJXXXXXXXXXZZZZZVVVVVSSSZVVZVVVYYYYYYEEEEHHH
-GGGGGGGGGAAAAAAAAJJNNNNNNPPPPPPPPPPOOOOOOOOUUUGGGGGGGGGGGIIIIIIIIIIIIIIIIHHHHHHHHIIIIIIJJJHXXXXXXXWXXFXXXXZZZZZZVZZVVVVVZZZZZVYYYYEYYEEAEHHH
-GGGGGGGGAAAAAAAAAAJNNNNNNNPNPPPPXXXOOOOOOOOOUUGGGGGGGGGGGGIIIIIIIIIIIIHHIIHHHHHHHHHIIIIJJJHXXXXXXXWXFFFXXXXZZZZZZZZZZZVZZZZZZZYYYYEEEEEEHHHH
-GGGGGGGGGGGAAAJJJJJNNNNNNNNNPPPXXXXOOXXOOOOOGGGGGGGGGGGGGGGGIIIIIIIIIIIHHHHHHHHHHHHHHHHHHHHHXXXXXXXXXFFFFXXZZZZZZZZZZZZZZZZZZZZZYYEEEEEHHHHH
diff --git a/2024/go/day13/day13.go b/2024/go/day13/day13.go
deleted file mode 100644
index 5f90897..0000000
--- a/2024/go/day13/day13.go
+++ /dev/null
@@ -1,58 +0,0 @@
-package day13
-
-import (
-	"adventofcode2024/utils"
-	_ "adventofcode2024/utils/grid2d"
-	_ "adventofcode2024/utils/inputs"
-	"regexp"
-	_ "fmt"
-	"strings"
-)
-
-func Part1(input string) int {
-	val := 0
-	machines := strings.Split(input, "\n\n")
-	pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
-	re := regexp.MustCompile(pattern)
-	for _, machine := range machines {
-		matches := re.FindStringSubmatch(machine)
-		a := utils.MustAtoi(matches[1])
-		b := utils.MustAtoi(matches[2])
-		c := utils.MustAtoi(matches[3])
-		d := utils.MustAtoi(matches[4])
-		X := utils.MustAtoi(matches[5])
-		Y := utils.MustAtoi(matches[6])
-//		fmt.Println(matches)
-		B := (Y*a - X*b)/(a*d - c*b)
-		A := (X - c*B)/a
-//		fmt.Printf("A: %d B: %d\n", A, B)
-		if (A*a + B*c == X && A*b + B*d == Y) {
-			val += A*3 + B
-		}
-	}
-	return val
-}
-
-func Part2(input string) int {
-	val := 0
-	machines := strings.Split(input, "\n\n")
-	pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
-	re := regexp.MustCompile(pattern)
-	for _, machine := range machines {
-		matches := re.FindStringSubmatch(machine)
-		a := utils.MustAtoi(matches[1])
-		b := utils.MustAtoi(matches[2])
-		c := utils.MustAtoi(matches[3])
-		d := utils.MustAtoi(matches[4])
-		X := utils.MustAtoi(matches[5]) + 10000000000000
-		Y := utils.MustAtoi(matches[6]) + 10000000000000
-//		fmt.Println(matches)
-		B := (Y*a - X*b)/(a*d - c*b)
-		A := (X - c*B)/a
-//		fmt.Printf("A: %d B: %d\n", A, B)
-		if (A*a + B*c == X && A*b + B*d == Y) {
-			val += A*3 + B
-		}
-	}
-	return val
-}
\ No newline at end of file
diff --git a/2024/go/day13/day13_test.go b/2024/go/day13/day13_test.go
deleted file mode 100644
index 5778833..0000000
--- a/2024/go/day13/day13_test.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package day13
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`Button A: X+94, Y+34
-Button B: X+22, Y+67
-Prize: X=8400, Y=5400
-
-Button A: X+26, Y+66
-Button B: X+67, Y+21
-Prize: X=12748, Y=12176
-
-Button A: X+17, Y+86
-Button B: X+84, Y+37
-Prize: X=7870, Y=6450
-
-Button A: X+69, Y+23
-Button B: X+27, Y+71
-Prize: X=18641, Y=10279`)
-	require.Equal(t, 480, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`Button A: X+94, Y+34
-Button B: X+22, Y+67
-Prize: X=8400, Y=5400
-
-Button A: X+26, Y+66
-Button B: X+67, Y+21
-Prize: X=12748, Y=12176
-
-Button A: X+17, Y+86
-Button B: X+84, Y+37
-Prize: X=7870, Y=6450
-
-Button A: X+69, Y+23
-Button B: X+27, Y+71
-Prize: X=18641, Y=10279`)
-	require.Equal(t, 480, r)
-}
diff --git a/2024/go/day13/input.txt b/2024/go/day13/input.txt
deleted file mode 100644
index 3b53baf..0000000
--- a/2024/go/day13/input.txt
+++ /dev/null
@@ -1,1279 +0,0 @@
-Button A: X+17, Y+68
-Button B: X+62, Y+15
-Prize: X=4507, Y=17764
-
-Button A: X+19, Y+95
-Button B: X+59, Y+23
-Prize: X=6550, Y=10174
-
-Button A: X+20, Y+58
-Button B: X+60, Y+11
-Prize: X=3140, Y=4691
-
-Button A: X+92, Y+31
-Button B: X+49, Y+87
-Prize: X=6599, Y=2717
-
-Button A: X+46, Y+72
-Button B: X+29, Y+12
-Prize: X=18754, Y=13304
-
-Button A: X+42, Y+33
-Button B: X+19, Y+81
-Prize: X=3531, Y=6144
-
-Button A: X+80, Y+13
-Button B: X+20, Y+75
-Prize: X=1860, Y=3818
-
-Button A: X+79, Y+14
-Button B: X+56, Y+66
-Prize: X=6740, Y=3830
-
-Button A: X+18, Y+85
-Button B: X+70, Y+36
-Prize: X=5358, Y=5861
-
-Button A: X+42, Y+44
-Button B: X+52, Y+14
-Prize: X=6310, Y=4870
-
-Button A: X+56, Y+90
-Button B: X+88, Y+41
-Prize: X=9208, Y=8572
-
-Button A: X+95, Y+67
-Button B: X+13, Y+71
-Prize: X=3065, Y=6799
-
-Button A: X+70, Y+22
-Button B: X+13, Y+57
-Prize: X=17469, Y=5153
-
-Button A: X+36, Y+65
-Button B: X+79, Y+27
-Prize: X=5764, Y=4394
-
-Button A: X+20, Y+46
-Button B: X+67, Y+29
-Prize: X=4637, Y=10139
-
-Button A: X+47, Y+72
-Button B: X+42, Y+20
-Prize: X=1495, Y=10984
-
-Button A: X+37, Y+96
-Button B: X+70, Y+53
-Prize: X=3563, Y=6029
-
-Button A: X+20, Y+59
-Button B: X+62, Y+13
-Prize: X=5550, Y=18133
-
-Button A: X+16, Y+52
-Button B: X+70, Y+61
-Prize: X=2400, Y=5136
-
-Button A: X+70, Y+32
-Button B: X+22, Y+53
-Prize: X=320, Y=18668
-
-Button A: X+47, Y+78
-Button B: X+78, Y+17
-Prize: X=6317, Y=6323
-
-Button A: X+48, Y+33
-Button B: X+20, Y+89
-Prize: X=4296, Y=7017
-
-Button A: X+17, Y+53
-Button B: X+43, Y+14
-Prize: X=19634, Y=5590
-
-Button A: X+41, Y+95
-Button B: X+78, Y+30
-Prize: X=6816, Y=6900
-
-Button A: X+14, Y+75
-Button B: X+65, Y+12
-Prize: X=10103, Y=12239
-
-Button A: X+84, Y+69
-Button B: X+23, Y+95
-Prize: X=6178, Y=11620
-
-Button A: X+57, Y+88
-Button B: X+70, Y+33
-Prize: X=4926, Y=6479
-
-Button A: X+84, Y+34
-Button B: X+29, Y+78
-Prize: X=6138, Y=2882
-
-Button A: X+32, Y+60
-Button B: X+62, Y+29
-Prize: X=13264, Y=10848
-
-Button A: X+81, Y+69
-Button B: X+13, Y+61
-Prize: X=7893, Y=11217
-
-Button A: X+98, Y+12
-Button B: X+85, Y+85
-Prize: X=8352, Y=3708
-
-Button A: X+22, Y+91
-Button B: X+73, Y+39
-Prize: X=1457, Y=4186
-
-Button A: X+38, Y+56
-Button B: X+97, Y+16
-Prize: X=9339, Y=3480
-
-Button A: X+46, Y+13
-Button B: X+36, Y+71
-Prize: X=14918, Y=17793
-
-Button A: X+27, Y+74
-Button B: X+64, Y+13
-Prize: X=11637, Y=3584
-
-Button A: X+18, Y+58
-Button B: X+35, Y+16
-Prize: X=13544, Y=2948
-
-Button A: X+32, Y+99
-Button B: X+99, Y+16
-Prize: X=7159, Y=4441
-
-Button A: X+86, Y+49
-Button B: X+12, Y+49
-Prize: X=13188, Y=6269
-
-Button A: X+19, Y+72
-Button B: X+37, Y+27
-Prize: X=1001, Y=3114
-
-Button A: X+80, Y+39
-Button B: X+36, Y+55
-Prize: X=3848, Y=4797
-
-Button A: X+32, Y+77
-Button B: X+82, Y+21
-Prize: X=4120, Y=4977
-
-Button A: X+41, Y+64
-Button B: X+41, Y+16
-Prize: X=1829, Y=5360
-
-Button A: X+67, Y+45
-Button B: X+13, Y+29
-Prize: X=19806, Y=5416
-
-Button A: X+84, Y+13
-Button B: X+37, Y+55
-Prize: X=2852, Y=3792
-
-Button A: X+70, Y+37
-Button B: X+21, Y+52
-Prize: X=8089, Y=10953
-
-Button A: X+16, Y+57
-Button B: X+81, Y+38
-Prize: X=18875, Y=17714
-
-Button A: X+91, Y+87
-Button B: X+24, Y+97
-Prize: X=3019, Y=5182
-
-Button A: X+48, Y+60
-Button B: X+75, Y+17
-Prize: X=3267, Y=937
-
-Button A: X+78, Y+26
-Button B: X+54, Y+95
-Prize: X=10638, Y=9706
-
-Button A: X+21, Y+90
-Button B: X+65, Y+18
-Prize: X=5264, Y=4320
-
-Button A: X+14, Y+58
-Button B: X+41, Y+33
-Prize: X=931, Y=983
-
-Button A: X+22, Y+45
-Button B: X+55, Y+23
-Prize: X=18987, Y=18336
-
-Button A: X+24, Y+61
-Button B: X+75, Y+29
-Prize: X=5127, Y=5758
-
-Button A: X+49, Y+84
-Button B: X+38, Y+11
-Prize: X=3463, Y=3446
-
-Button A: X+32, Y+75
-Button B: X+54, Y+11
-Prize: X=10780, Y=933
-
-Button A: X+18, Y+84
-Button B: X+75, Y+31
-Prize: X=2577, Y=2137
-
-Button A: X+16, Y+53
-Button B: X+66, Y+24
-Prize: X=12502, Y=7650
-
-Button A: X+46, Y+75
-Button B: X+46, Y+20
-Prize: X=7598, Y=5780
-
-Button A: X+97, Y+57
-Button B: X+40, Y+75
-Prize: X=6896, Y=6936
-
-Button A: X+87, Y+49
-Button B: X+17, Y+61
-Prize: X=2245, Y=5687
-
-Button A: X+89, Y+43
-Button B: X+38, Y+88
-Prize: X=8665, Y=7181
-
-Button A: X+39, Y+94
-Button B: X+34, Y+26
-Prize: X=2237, Y=5112
-
-Button A: X+57, Y+12
-Button B: X+40, Y+71
-Prize: X=5110, Y=6395
-
-Button A: X+92, Y+13
-Button B: X+29, Y+88
-Prize: X=6278, Y=4411
-
-Button A: X+94, Y+81
-Button B: X+13, Y+64
-Prize: X=3211, Y=5882
-
-Button A: X+49, Y+34
-Button B: X+14, Y+65
-Prize: X=1939, Y=3778
-
-Button A: X+32, Y+73
-Button B: X+50, Y+12
-Prize: X=12774, Y=12247
-
-Button A: X+34, Y+97
-Button B: X+78, Y+59
-Prize: X=1364, Y=1602
-
-Button A: X+13, Y+44
-Button B: X+70, Y+41
-Prize: X=13681, Y=7491
-
-Button A: X+72, Y+44
-Button B: X+13, Y+56
-Prize: X=1078, Y=1716
-
-Button A: X+56, Y+30
-Button B: X+27, Y+58
-Prize: X=3425, Y=5100
-
-Button A: X+99, Y+18
-Button B: X+40, Y+83
-Prize: X=9389, Y=6175
-
-Button A: X+44, Y+14
-Button B: X+17, Y+66
-Prize: X=7836, Y=16974
-
-Button A: X+16, Y+58
-Button B: X+79, Y+29
-Prize: X=1201, Y=18041
-
-Button A: X+60, Y+19
-Button B: X+52, Y+73
-Prize: X=5560, Y=5718
-
-Button A: X+13, Y+51
-Button B: X+69, Y+26
-Prize: X=7423, Y=7244
-
-Button A: X+40, Y+14
-Button B: X+42, Y+60
-Prize: X=6320, Y=5836
-
-Button A: X+73, Y+29
-Button B: X+20, Y+54
-Prize: X=12274, Y=12544
-
-Button A: X+12, Y+64
-Button B: X+89, Y+95
-Prize: X=8072, Y=9640
-
-Button A: X+26, Y+49
-Button B: X+70, Y+26
-Prize: X=2276, Y=3442
-
-Button A: X+68, Y+47
-Button B: X+29, Y+69
-Prize: X=7480, Y=8499
-
-Button A: X+13, Y+28
-Button B: X+86, Y+21
-Prize: X=1826, Y=1141
-
-Button A: X+97, Y+85
-Button B: X+25, Y+88
-Prize: X=5021, Y=6647
-
-Button A: X+24, Y+50
-Button B: X+85, Y+17
-Prize: X=1952, Y=2786
-
-Button A: X+21, Y+71
-Button B: X+59, Y+21
-Prize: X=18503, Y=12693
-
-Button A: X+94, Y+58
-Button B: X+42, Y+85
-Prize: X=12332, Y=12395
-
-Button A: X+93, Y+49
-Button B: X+13, Y+40
-Prize: X=9332, Y=7370
-
-Button A: X+58, Y+44
-Button B: X+32, Y+84
-Prize: X=6696, Y=10216
-
-Button A: X+18, Y+77
-Button B: X+56, Y+51
-Prize: X=2952, Y=5840
-
-Button A: X+13, Y+76
-Button B: X+46, Y+11
-Prize: X=14558, Y=6711
-
-Button A: X+46, Y+20
-Button B: X+45, Y+70
-Prize: X=6149, Y=5750
-
-Button A: X+92, Y+39
-Button B: X+54, Y+97
-Prize: X=10056, Y=10488
-
-Button A: X+25, Y+48
-Button B: X+80, Y+50
-Prize: X=2260, Y=1542
-
-Button A: X+12, Y+52
-Button B: X+39, Y+20
-Prize: X=2225, Y=10452
-
-Button A: X+25, Y+62
-Button B: X+42, Y+15
-Prize: X=2596, Y=12552
-
-Button A: X+11, Y+39
-Button B: X+67, Y+17
-Prize: X=2192, Y=12338
-
-Button A: X+90, Y+59
-Button B: X+19, Y+57
-Prize: X=5277, Y=7602
-
-Button A: X+50, Y+34
-Button B: X+33, Y+80
-Prize: X=1245, Y=1710
-
-Button A: X+11, Y+63
-Button B: X+83, Y+12
-Prize: X=4173, Y=15554
-
-Button A: X+52, Y+97
-Button B: X+91, Y+13
-Prize: X=13091, Y=10469
-
-Button A: X+23, Y+57
-Button B: X+69, Y+36
-Prize: X=8771, Y=6614
-
-Button A: X+21, Y+40
-Button B: X+67, Y+40
-Prize: X=15512, Y=5120
-
-Button A: X+20, Y+47
-Button B: X+66, Y+22
-Prize: X=9426, Y=16922
-
-Button A: X+15, Y+37
-Button B: X+49, Y+14
-Prize: X=2334, Y=3915
-
-Button A: X+25, Y+51
-Button B: X+44, Y+17
-Prize: X=4718, Y=4386
-
-Button A: X+77, Y+30
-Button B: X+16, Y+78
-Prize: X=7755, Y=7758
-
-Button A: X+55, Y+87
-Button B: X+64, Y+15
-Prize: X=10939, Y=9456
-
-Button A: X+64, Y+17
-Button B: X+24, Y+78
-Prize: X=312, Y=3577
-
-Button A: X+15, Y+68
-Button B: X+73, Y+12
-Prize: X=708, Y=6800
-
-Button A: X+71, Y+66
-Button B: X+12, Y+42
-Prize: X=7143, Y=8028
-
-Button A: X+70, Y+24
-Button B: X+22, Y+66
-Prize: X=1930, Y=10706
-
-Button A: X+52, Y+28
-Button B: X+29, Y+47
-Prize: X=19597, Y=3007
-
-Button A: X+11, Y+24
-Button B: X+51, Y+24
-Prize: X=2230, Y=1200
-
-Button A: X+23, Y+80
-Button B: X+55, Y+15
-Prize: X=2251, Y=1130
-
-Button A: X+20, Y+42
-Button B: X+75, Y+48
-Prize: X=15760, Y=14762
-
-Button A: X+63, Y+12
-Button B: X+32, Y+77
-Prize: X=1622, Y=1319
-
-Button A: X+11, Y+20
-Button B: X+54, Y+22
-Prize: X=10462, Y=1050
-
-Button A: X+24, Y+72
-Button B: X+53, Y+12
-Prize: X=5360, Y=10304
-
-Button A: X+99, Y+52
-Button B: X+12, Y+52
-Prize: X=8937, Y=5928
-
-Button A: X+62, Y+25
-Button B: X+57, Y+95
-Prize: X=10249, Y=10110
-
-Button A: X+40, Y+99
-Button B: X+91, Y+13
-Prize: X=3050, Y=1182
-
-Button A: X+26, Y+60
-Button B: X+71, Y+38
-Prize: X=9324, Y=9448
-
-Button A: X+60, Y+88
-Button B: X+73, Y+32
-Prize: X=8559, Y=7824
-
-Button A: X+59, Y+21
-Button B: X+59, Y+75
-Prize: X=4602, Y=2070
-
-Button A: X+14, Y+48
-Button B: X+47, Y+19
-Prize: X=4601, Y=3977
-
-Button A: X+64, Y+22
-Button B: X+29, Y+65
-Prize: X=12970, Y=19186
-
-Button A: X+28, Y+19
-Button B: X+18, Y+43
-Prize: X=2002, Y=2005
-
-Button A: X+24, Y+17
-Button B: X+12, Y+30
-Prize: X=14612, Y=12593
-
-Button A: X+34, Y+54
-Button B: X+88, Y+12
-Prize: X=9576, Y=2688
-
-Button A: X+22, Y+35
-Button B: X+51, Y+17
-Prize: X=6367, Y=4806
-
-Button A: X+28, Y+53
-Button B: X+91, Y+44
-Prize: X=5194, Y=3932
-
-Button A: X+31, Y+11
-Button B: X+30, Y+69
-Prize: X=14791, Y=1482
-
-Button A: X+46, Y+94
-Button B: X+26, Y+17
-Prize: X=3028, Y=3514
-
-Button A: X+79, Y+29
-Button B: X+13, Y+52
-Prize: X=16594, Y=6031
-
-Button A: X+76, Y+36
-Button B: X+32, Y+80
-Prize: X=5908, Y=3836
-
-Button A: X+20, Y+41
-Button B: X+59, Y+28
-Prize: X=4243, Y=10632
-
-Button A: X+72, Y+32
-Button B: X+22, Y+58
-Prize: X=15972, Y=11444
-
-Button A: X+53, Y+28
-Button B: X+28, Y+58
-Prize: X=3946, Y=10646
-
-Button A: X+19, Y+69
-Button B: X+61, Y+22
-Prize: X=9244, Y=17018
-
-Button A: X+20, Y+71
-Button B: X+64, Y+18
-Prize: X=17356, Y=9567
-
-Button A: X+28, Y+89
-Button B: X+69, Y+50
-Prize: X=5623, Y=5174
-
-Button A: X+62, Y+17
-Button B: X+11, Y+73
-Prize: X=1851, Y=10184
-
-Button A: X+60, Y+22
-Button B: X+18, Y+38
-Prize: X=3728, Y=6252
-
-Button A: X+58, Y+32
-Button B: X+28, Y+94
-Prize: X=5286, Y=6844
-
-Button A: X+53, Y+80
-Button B: X+58, Y+14
-Prize: X=8236, Y=5886
-
-Button A: X+15, Y+49
-Button B: X+46, Y+18
-Prize: X=11211, Y=18229
-
-Button A: X+21, Y+96
-Button B: X+27, Y+29
-Prize: X=2448, Y=7697
-
-Button A: X+42, Y+85
-Button B: X+93, Y+37
-Prize: X=5364, Y=5412
-
-Button A: X+56, Y+32
-Button B: X+16, Y+31
-Prize: X=3368, Y=3389
-
-Button A: X+14, Y+66
-Button B: X+81, Y+66
-Prize: X=7042, Y=11088
-
-Button A: X+12, Y+54
-Button B: X+76, Y+37
-Prize: X=5280, Y=15420
-
-Button A: X+37, Y+24
-Button B: X+12, Y+44
-Prize: X=4537, Y=5804
-
-Button A: X+55, Y+14
-Button B: X+24, Y+85
-Prize: X=4477, Y=3743
-
-Button A: X+70, Y+92
-Button B: X+73, Y+17
-Prize: X=5044, Y=2840
-
-Button A: X+13, Y+51
-Button B: X+40, Y+38
-Prize: X=2505, Y=5665
-
-Button A: X+63, Y+24
-Button B: X+22, Y+55
-Prize: X=6942, Y=6141
-
-Button A: X+30, Y+75
-Button B: X+62, Y+22
-Prize: X=14496, Y=6211
-
-Button A: X+87, Y+43
-Button B: X+30, Y+75
-Prize: X=3153, Y=6312
-
-Button A: X+77, Y+37
-Button B: X+14, Y+45
-Prize: X=11197, Y=3283
-
-Button A: X+48, Y+25
-Button B: X+49, Y+96
-Prize: X=1254, Y=1076
-
-Button A: X+14, Y+77
-Button B: X+53, Y+55
-Prize: X=1972, Y=5170
-
-Button A: X+32, Y+19
-Button B: X+18, Y+39
-Prize: X=3720, Y=3681
-
-Button A: X+36, Y+13
-Button B: X+39, Y+75
-Prize: X=5181, Y=6196
-
-Button A: X+34, Y+23
-Button B: X+11, Y+35
-Prize: X=14981, Y=13421
-
-Button A: X+83, Y+28
-Button B: X+11, Y+47
-Prize: X=5038, Y=15145
-
-Button A: X+44, Y+98
-Button B: X+78, Y+26
-Prize: X=7832, Y=4444
-
-Button A: X+18, Y+11
-Button B: X+19, Y+44
-Prize: X=15969, Y=15082
-
-Button A: X+14, Y+81
-Button B: X+39, Y+34
-Prize: X=1722, Y=1914
-
-Button A: X+29, Y+94
-Button B: X+75, Y+55
-Prize: X=9696, Y=14311
-
-Button A: X+41, Y+79
-Button B: X+58, Y+19
-Prize: X=4374, Y=5367
-
-Button A: X+47, Y+14
-Button B: X+35, Y+66
-Prize: X=17301, Y=1534
-
-Button A: X+68, Y+29
-Button B: X+21, Y+98
-Prize: X=6996, Y=5833
-
-Button A: X+16, Y+61
-Button B: X+72, Y+15
-Prize: X=10896, Y=9927
-
-Button A: X+69, Y+16
-Button B: X+17, Y+99
-Prize: X=4411, Y=2924
-
-Button A: X+16, Y+73
-Button B: X+43, Y+42
-Prize: X=2463, Y=4299
-
-Button A: X+54, Y+16
-Button B: X+21, Y+43
-Prize: X=4187, Y=10273
-
-Button A: X+49, Y+13
-Button B: X+49, Y+83
-Prize: X=6076, Y=4902
-
-Button A: X+40, Y+19
-Button B: X+17, Y+31
-Prize: X=18121, Y=6893
-
-Button A: X+22, Y+89
-Button B: X+62, Y+33
-Prize: X=3470, Y=2929
-
-Button A: X+24, Y+51
-Button B: X+51, Y+11
-Prize: X=13013, Y=7760
-
-Button A: X+40, Y+72
-Button B: X+94, Y+29
-Prize: X=10730, Y=8799
-
-Button A: X+85, Y+18
-Button B: X+64, Y+86
-Prize: X=3858, Y=4222
-
-Button A: X+99, Y+11
-Button B: X+18, Y+71
-Prize: X=1530, Y=722
-
-Button A: X+69, Y+12
-Button B: X+93, Y+98
-Prize: X=11136, Y=9792
-
-Button A: X+95, Y+75
-Button B: X+21, Y+96
-Prize: X=917, Y=1677
-
-Button A: X+22, Y+57
-Button B: X+46, Y+17
-Prize: X=7332, Y=17866
-
-Button A: X+55, Y+19
-Button B: X+27, Y+67
-Prize: X=8606, Y=17118
-
-Button A: X+42, Y+92
-Button B: X+77, Y+50
-Prize: X=3416, Y=2736
-
-Button A: X+13, Y+64
-Button B: X+92, Y+86
-Prize: X=5175, Y=6030
-
-Button A: X+56, Y+18
-Button B: X+20, Y+46
-Prize: X=4068, Y=5212
-
-Button A: X+78, Y+11
-Button B: X+19, Y+79
-Prize: X=6081, Y=10602
-
-Button A: X+19, Y+87
-Button B: X+84, Y+35
-Prize: X=3342, Y=3765
-
-Button A: X+57, Y+33
-Button B: X+19, Y+43
-Prize: X=8062, Y=8686
-
-Button A: X+93, Y+60
-Button B: X+14, Y+72
-Prize: X=1229, Y=2556
-
-Button A: X+55, Y+24
-Button B: X+14, Y+94
-Prize: X=1871, Y=6002
-
-Button A: X+13, Y+19
-Button B: X+37, Y+15
-Prize: X=11560, Y=7340
-
-Button A: X+97, Y+92
-Button B: X+68, Y+14
-Prize: X=12918, Y=8566
-
-Button A: X+64, Y+16
-Button B: X+19, Y+58
-Prize: X=15227, Y=15866
-
-Button A: X+12, Y+62
-Button B: X+63, Y+17
-Prize: X=11813, Y=12953
-
-Button A: X+72, Y+28
-Button B: X+20, Y+52
-Prize: X=1284, Y=4264
-
-Button A: X+76, Y+17
-Button B: X+23, Y+38
-Prize: X=8199, Y=4101
-
-Button A: X+84, Y+38
-Button B: X+17, Y+47
-Prize: X=7592, Y=6422
-
-Button A: X+76, Y+26
-Button B: X+33, Y+61
-Prize: X=7100, Y=3622
-
-Button A: X+53, Y+45
-Button B: X+14, Y+48
-Prize: X=3495, Y=4737
-
-Button A: X+14, Y+57
-Button B: X+95, Y+13
-Prize: X=2193, Y=4817
-
-Button A: X+91, Y+24
-Button B: X+39, Y+44
-Prize: X=8905, Y=4776
-
-Button A: X+36, Y+95
-Button B: X+54, Y+14
-Prize: X=6570, Y=8985
-
-Button A: X+47, Y+26
-Button B: X+27, Y+45
-Prize: X=9856, Y=1870
-
-Button A: X+70, Y+23
-Button B: X+33, Y+80
-Prize: X=6705, Y=3932
-
-Button A: X+93, Y+22
-Button B: X+72, Y+97
-Prize: X=13317, Y=8748
-
-Button A: X+68, Y+56
-Button B: X+12, Y+82
-Prize: X=3792, Y=5070
-
-Button A: X+91, Y+19
-Button B: X+50, Y+58
-Prize: X=7149, Y=4917
-
-Button A: X+17, Y+85
-Button B: X+62, Y+56
-Prize: X=6472, Y=11278
-
-Button A: X+71, Y+18
-Button B: X+16, Y+75
-Prize: X=7574, Y=7170
-
-Button A: X+13, Y+78
-Button B: X+64, Y+76
-Prize: X=3350, Y=6856
-
-Button A: X+65, Y+14
-Button B: X+16, Y+42
-Prize: X=8942, Y=19674
-
-Button A: X+37, Y+19
-Button B: X+20, Y+33
-Prize: X=15445, Y=3074
-
-Button A: X+12, Y+40
-Button B: X+76, Y+26
-Prize: X=1848, Y=19728
-
-Button A: X+86, Y+16
-Button B: X+11, Y+96
-Prize: X=7116, Y=9216
-
-Button A: X+62, Y+14
-Button B: X+49, Y+69
-Prize: X=5138, Y=6722
-
-Button A: X+44, Y+63
-Button B: X+42, Y+17
-Prize: X=10920, Y=3470
-
-Button A: X+51, Y+26
-Button B: X+35, Y+55
-Prize: X=11198, Y=1063
-
-Button A: X+85, Y+11
-Button B: X+11, Y+72
-Prize: X=507, Y=16765
-
-Button A: X+50, Y+17
-Button B: X+28, Y+55
-Prize: X=2500, Y=4978
-
-Button A: X+17, Y+41
-Button B: X+60, Y+38
-Prize: X=11731, Y=5537
-
-Button A: X+31, Y+41
-Button B: X+91, Y+36
-Prize: X=9013, Y=6353
-
-Button A: X+62, Y+21
-Button B: X+15, Y+59
-Prize: X=1794, Y=13288
-
-Button A: X+41, Y+14
-Button B: X+26, Y+49
-Prize: X=7670, Y=3910
-
-Button A: X+24, Y+99
-Button B: X+95, Y+54
-Prize: X=8639, Y=10971
-
-Button A: X+13, Y+80
-Button B: X+93, Y+52
-Prize: X=4898, Y=7248
-
-Button A: X+97, Y+73
-Button B: X+31, Y+83
-Prize: X=6926, Y=10702
-
-Button A: X+21, Y+86
-Button B: X+90, Y+65
-Prize: X=7887, Y=8317
-
-Button A: X+37, Y+42
-Button B: X+83, Y+27
-Prize: X=7887, Y=3105
-
-Button A: X+19, Y+68
-Button B: X+67, Y+25
-Prize: X=3042, Y=7375
-
-Button A: X+30, Y+51
-Button B: X+80, Y+15
-Prize: X=2140, Y=2670
-
-Button A: X+87, Y+22
-Button B: X+49, Y+91
-Prize: X=6983, Y=3338
-
-Button A: X+74, Y+42
-Button B: X+14, Y+40
-Prize: X=8560, Y=1180
-
-Button A: X+98, Y+11
-Button B: X+53, Y+87
-Prize: X=4734, Y=3125
-
-Button A: X+36, Y+60
-Button B: X+94, Y+15
-Prize: X=6512, Y=2070
-
-Button A: X+36, Y+11
-Button B: X+33, Y+57
-Prize: X=15008, Y=16375
-
-Button A: X+79, Y+51
-Button B: X+18, Y+46
-Prize: X=12284, Y=18892
-
-Button A: X+25, Y+63
-Button B: X+66, Y+18
-Prize: X=12741, Y=16919
-
-Button A: X+11, Y+54
-Button B: X+76, Y+33
-Prize: X=4920, Y=6683
-
-Button A: X+23, Y+71
-Button B: X+55, Y+17
-Prize: X=15713, Y=18075
-
-Button A: X+92, Y+85
-Button B: X+72, Y+14
-Prize: X=11088, Y=6988
-
-Button A: X+90, Y+31
-Button B: X+15, Y+41
-Prize: X=8280, Y=5217
-
-Button A: X+16, Y+52
-Button B: X+72, Y+24
-Prize: X=15496, Y=13792
-
-Button A: X+17, Y+24
-Button B: X+76, Y+16
-Prize: X=8548, Y=3760
-
-Button A: X+21, Y+42
-Button B: X+56, Y+20
-Prize: X=3955, Y=3034
-
-Button A: X+57, Y+15
-Button B: X+16, Y+20
-Prize: X=3915, Y=1125
-
-Button A: X+64, Y+16
-Button B: X+25, Y+70
-Prize: X=12199, Y=10666
-
-Button A: X+13, Y+57
-Button B: X+36, Y+13
-Prize: X=12196, Y=1889
-
-Button A: X+50, Y+70
-Button B: X+29, Y+13
-Prize: X=19005, Y=11065
-
-Button A: X+58, Y+87
-Button B: X+76, Y+34
-Prize: X=6738, Y=7227
-
-Button A: X+79, Y+62
-Button B: X+24, Y+88
-Prize: X=2126, Y=1876
-
-Button A: X+29, Y+89
-Button B: X+70, Y+22
-Prize: X=7399, Y=4003
-
-Button A: X+61, Y+36
-Button B: X+12, Y+47
-Prize: X=7624, Y=15339
-
-Button A: X+16, Y+27
-Button B: X+43, Y+14
-Prize: X=15461, Y=6925
-
-Button A: X+53, Y+14
-Button B: X+17, Y+53
-Prize: X=1833, Y=2085
-
-Button A: X+12, Y+46
-Button B: X+76, Y+33
-Prize: X=17232, Y=7631
-
-Button A: X+23, Y+15
-Button B: X+11, Y+32
-Prize: X=2079, Y=2051
-
-Button A: X+14, Y+61
-Button B: X+79, Y+31
-Prize: X=19076, Y=19749
-
-Button A: X+67, Y+97
-Button B: X+95, Y+39
-Prize: X=12736, Y=11344
-
-Button A: X+14, Y+23
-Button B: X+35, Y+11
-Prize: X=6444, Y=17109
-
-Button A: X+14, Y+40
-Button B: X+32, Y+17
-Prize: X=5020, Y=6220
-
-Button A: X+53, Y+14
-Button B: X+14, Y+42
-Prize: X=17332, Y=3966
-
-Button A: X+43, Y+16
-Button B: X+12, Y+25
-Prize: X=2577, Y=12758
-
-Button A: X+26, Y+12
-Button B: X+24, Y+47
-Prize: X=17828, Y=3061
-
-Button A: X+99, Y+66
-Button B: X+43, Y+91
-Prize: X=6135, Y=8391
-
-Button A: X+13, Y+41
-Button B: X+63, Y+12
-Prize: X=6296, Y=12458
-
-Button A: X+18, Y+42
-Button B: X+88, Y+22
-Prize: X=2486, Y=1034
-
-Button A: X+35, Y+80
-Button B: X+52, Y+37
-Prize: X=5416, Y=8041
-
-Button A: X+81, Y+32
-Button B: X+21, Y+50
-Prize: X=3750, Y=1690
-
-Button A: X+90, Y+27
-Button B: X+17, Y+82
-Prize: X=3355, Y=6005
-
-Button A: X+35, Y+14
-Button B: X+35, Y+48
-Prize: X=13850, Y=6312
-
-Button A: X+94, Y+82
-Button B: X+14, Y+41
-Prize: X=4962, Y=6027
-
-Button A: X+18, Y+86
-Button B: X+36, Y+31
-Prize: X=2826, Y=8849
-
-Button A: X+24, Y+42
-Button B: X+57, Y+26
-Prize: X=4289, Y=16742
-
-Button A: X+15, Y+59
-Button B: X+76, Y+27
-Prize: X=12775, Y=18008
-
-Button A: X+64, Y+27
-Button B: X+20, Y+65
-Prize: X=19348, Y=11874
-
-Button A: X+27, Y+55
-Button B: X+85, Y+14
-Prize: X=2653, Y=1903
-
-Button A: X+90, Y+12
-Button B: X+47, Y+90
-Prize: X=681, Y=342
-
-Button A: X+13, Y+29
-Button B: X+18, Y+13
-Prize: X=2527, Y=8550
-
-Button A: X+71, Y+34
-Button B: X+25, Y+59
-Prize: X=10411, Y=6369
-
-Button A: X+78, Y+26
-Button B: X+61, Y+98
-Prize: X=7284, Y=3360
-
-Button A: X+49, Y+78
-Button B: X+47, Y+11
-Prize: X=8090, Y=8347
-
-Button A: X+65, Y+29
-Button B: X+23, Y+59
-Prize: X=3886, Y=2806
-
-Button A: X+13, Y+58
-Button B: X+82, Y+33
-Prize: X=17126, Y=1844
-
-Button A: X+15, Y+46
-Button B: X+52, Y+29
-Prize: X=14512, Y=8557
-
-Button A: X+51, Y+19
-Button B: X+17, Y+57
-Prize: X=4573, Y=2565
-
-Button A: X+16, Y+84
-Button B: X+43, Y+29
-Prize: X=2326, Y=2374
-
-Button A: X+21, Y+80
-Button B: X+52, Y+12
-Prize: X=2872, Y=11268
-
-Button A: X+16, Y+56
-Button B: X+42, Y+20
-Prize: X=1218, Y=17444
-
-Button A: X+43, Y+14
-Button B: X+25, Y+38
-Prize: X=2364, Y=11092
-
-Button A: X+34, Y+16
-Button B: X+42, Y+65
-Prize: X=19300, Y=16358
-
-Button A: X+12, Y+47
-Button B: X+68, Y+29
-Prize: X=17592, Y=3390
-
-Button A: X+38, Y+11
-Button B: X+55, Y+70
-Prize: X=4021, Y=1867
-
-Button A: X+33, Y+13
-Button B: X+14, Y+52
-Prize: X=8642, Y=16058
-
-Button A: X+74, Y+27
-Button B: X+12, Y+54
-Prize: X=5318, Y=5265
-
-Button A: X+28, Y+44
-Button B: X+38, Y+11
-Prize: X=11126, Y=12365
-
-Button A: X+34, Y+56
-Button B: X+44, Y+20
-Prize: X=14102, Y=5556
-
-Button A: X+75, Y+85
-Button B: X+53, Y+16
-Prize: X=6607, Y=5549
-
-Button A: X+81, Y+20
-Button B: X+35, Y+57
-Prize: X=2908, Y=3281
-
-Button A: X+13, Y+30
-Button B: X+41, Y+19
-Prize: X=10899, Y=10340
-
-Button A: X+11, Y+25
-Button B: X+64, Y+22
-Prize: X=18766, Y=8966
-
-Button A: X+57, Y+15
-Button B: X+17, Y+42
-Prize: X=14691, Y=8777
-
-Button A: X+19, Y+29
-Button B: X+72, Y+16
-Prize: X=7014, Y=3194
-
-Button A: X+22, Y+57
-Button B: X+44, Y+21
-Prize: X=15632, Y=19217
-
-Button A: X+48, Y+94
-Button B: X+86, Y+37
-Prize: X=11514, Y=11115
-
-Button A: X+11, Y+53
-Button B: X+57, Y+22
-Prize: X=8712, Y=5709
-
-Button A: X+92, Y+23
-Button B: X+12, Y+81
-Prize: X=7868, Y=7661
-
-Button A: X+52, Y+79
-Button B: X+63, Y+22
-Prize: X=5604, Y=2322
-
-Button A: X+20, Y+51
-Button B: X+95, Y+41
-Prize: X=9500, Y=8125
-
-Button A: X+24, Y+85
-Button B: X+68, Y+46
-Prize: X=7808, Y=9339
-
-Button A: X+16, Y+58
-Button B: X+83, Y+72
-Prize: X=2007, Y=4300
-
-Button A: X+86, Y+16
-Button B: X+31, Y+75
-Prize: X=7780, Y=5186
-
-Button A: X+21, Y+59
-Button B: X+89, Y+41
-Prize: X=2578, Y=3062
-
-Button A: X+62, Y+13
-Button B: X+34, Y+86
-Prize: X=5006, Y=6334
-
-Button A: X+75, Y+86
-Button B: X+80, Y+11
-Prize: X=6665, Y=1749
-
-Button A: X+20, Y+55
-Button B: X+59, Y+47
-Prize: X=2643, Y=3004
diff --git a/2024/go/day14/day14.go b/2024/go/day14/day14.go
deleted file mode 100644
index 2ed2ef6..0000000
--- a/2024/go/day14/day14.go
+++ /dev/null
@@ -1,149 +0,0 @@
-package day14
-
-import (
-	"adventofcode2024/utils"
-	grid "adventofcode2024/utils/grid2d"
-	"fmt"
-	"regexp"
-	"strings"
-)
-
-type Robot struct {
-	velocity [2]int
-}
-
-const SIZE_X = 101
-const SIZE_Y = 103
-
-func Part1(input string) int {
-	grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
-	pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
-	re := regexp.MustCompile(pattern)
-	lines := strings.Split(input, "\n")
-	for _, line := range lines {
-		matches := re.FindStringSubmatch(line)
-		fmt.Println(matches)
-		x := utils.MustAtoi(matches[1])
-		y := utils.MustAtoi(matches[2])
-		x1 := utils.MustAtoi(matches[3])
-		y1 := utils.MustAtoi(matches[4])
-		robots := grid.Get(x, y)
-		grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
-	}
-	fmt.Println(grid.StringWithFormatter(formatter))
-	ng := ticks(grid, 100)
-	fmt.Println(ng.StringWithFormatter(formatter))
-	
-	return get_saftey(ng)
-}
-
-func Part2(input string) int {
-	min_safe := 240096000
-	min_i := 0
-	max_safe := 0
-	max_i := 0
-	grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
-	pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
-	re := regexp.MustCompile(pattern)
-	lines := strings.Split(input, "\n")
-	for _, line := range lines {
-		matches := re.FindStringSubmatch(line)
-		fmt.Println(matches)
-		x := utils.MustAtoi(matches[1])
-		y := utils.MustAtoi(matches[2])
-		x1 := utils.MustAtoi(matches[3])
-		y1 := utils.MustAtoi(matches[4])
-		robots := grid.Get(x, y)
-		grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
-	}
-	fmt.Println(grid.StringWithFormatter(formatter))
-	max_safe = get_saftey(grid)
-	for i:=0;i<7380;i++ {
-		ng := ticks(grid, 1)
-		safe := get_saftey(ng)
-		if safe > max_safe {
-			max_safe = safe
-			max_i = i
-		}
-		if safe < min_safe {
-			min_safe = safe
-			min_i = i
-		}
-		grid = ng
-	}
-	for i:=7380;i<7390;i++{
-		ng := ticks(grid, 1)
-		fmt.Println(ng.StringWithFormatter(formatter))
-		grid = ng
-	}
-	fmt.Println(grid.StringWithFormatter(formatter))
-	fmt.Printf("max_safe: %d max_i: %d min_safe: %d min_i:%d", max_safe, max_i, min_safe, min_i)
-	return get_saftey(grid)
-}
-
-func formatter(robots []Robot, x int, y int) string {
-	if len(robots) == 0 {
-		return " "
-	}
-	return "*"
-}
-
-func ticks(g *grid.Grid[[]Robot], seconds int) *grid.Grid[[]Robot] {
-	ng := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
-	for y := 0; y < g.SizeY(); y++ {
-		for x := 0; x < g.SizeX(); x++ {
-			for _, robot := range g.Get(x, y) {
-				nx := x + ((robot.velocity[0] * seconds) % SIZE_X)
-				if nx < 0 {
-					nx = g.SizeX() + nx
-				}
-				if nx >= g.SizeX() {
-					nx = nx - g.SizeX()
-				}
-				ny := y + ((robot.velocity[1] * seconds) % SIZE_Y)
-				if ny < 0 {
-					ny = g.SizeY() + ny
-				}
-				if ny >= g.SizeY() {
-					ny = ny - g.SizeY()
-				}
-				robots := ng.Get(nx, ny)
-				ng.Set(nx, ny, append(robots, robot))
-			}
-		}
-	}
-	return ng
-}
-
-func get_saftey(grid *grid.Grid[[]Robot]) int {
-	robots := 0
-	val := 1
-	for y := 0; y < grid.SizeY()/2; y++ {
-		for x := 0; x < grid.SizeX()/2; x++ {
-			robots += len(grid.Get(x, y))
-		}
-	}
-	val *= robots
-	robots = 0
-	for y := 0; y < grid.SizeY()/2; y++ {
-		for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
-			robots += len(grid.Get(x, y))
-		}
-	}
-	val *= robots
-	robots = 0
-	for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
-		for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
-			robots += len(grid.Get(x, y))
-		}
-	}
-	val *= robots
-	robots = 0
-	for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
-		for x := 0; x < grid.SizeX()/2; x++ {
-			robots += len(grid.Get(x, y))
-		}
-	}
-	val *= robots
-	return val
-}
\ No newline at end of file
diff --git a/2024/go/day14/day14_test.go b/2024/go/day14/day14_test.go
deleted file mode 100644
index 791e1d9..0000000
--- a/2024/go/day14/day14_test.go
+++ /dev/null
@@ -1,527 +0,0 @@
-package day14
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`p=0,4 v=3,-3
-p=6,3 v=-1,-3
-p=10,3 v=-1,2
-p=2,0 v=2,-1
-p=0,0 v=1,3
-p=3,0 v=-2,-2
-p=7,6 v=-1,-3
-p=3,0 v=-1,-2
-p=9,3 v=2,3
-p=7,3 v=-1,2
-p=2,4 v=2,-3
-p=9,5 v=-3,-3`)
-	require.Equal(t, 12, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`p=80,75 v=69,72
-p=88,10 v=-28,-23
-p=79,61 v=79,59
-p=37,102 v=92,-43
-p=12,22 v=-5,-95
-p=60,13 v=-30,-42
-p=3,59 v=-96,-88
-p=85,33 v=-43,-41
-p=44,14 v=63,45
-p=6,6 v=-34,-86
-p=47,102 v=12,42
-p=36,88 v=-88,-93
-p=78,27 v=-18,52
-p=96,64 v=-62,-34
-p=49,99 v=-78,-15
-p=57,31 v=-80,21
-p=25,57 v=8,-84
-p=69,20 v=81,61
-p=80,5 v=-11,-30
-p=2,35 v=-85,77
-p=9,12 v=-4,36
-p=37,68 v=12,-69
-p=47,88 v=-8,-90
-p=72,68 v=59,-86
-p=55,38 v=-68,-94
-p=60,58 v=41,37
-p=76,87 v=-1,-18
-p=89,9 v=38,92
-p=100,67 v=17,-53
-p=83,73 v=80,32
-p=77,19 v=-54,-20
-p=10,86 v=-65,36
-p=13,88 v=-64,-84
-p=50,29 v=-17,-29
-p=79,38 v=89,-57
-p=55,57 v=-68,22
-p=71,82 v=-80,52
-p=37,83 v=-68,-43
-p=25,5 v=81,-22
-p=83,54 v=-32,-75
-p=27,95 v=-77,-55
-p=70,97 v=-72,-4
-p=3,84 v=-60,-60
-p=16,29 v=-35,99
-p=39,39 v=37,-38
-p=76,94 v=90,60
-p=18,21 v=-86,-26
-p=22,84 v=-16,66
-p=45,83 v=-40,-43
-p=35,52 v=54,3
-p=30,21 v=14,36
-p=69,61 v=69,-66
-p=52,22 v=-28,33
-p=9,21 v=-85,-73
-p=87,32 v=79,52
-p=28,85 v=-35,85
-p=32,58 v=-49,89
-p=22,75 v=85,44
-p=45,19 v=-88,61
-p=97,59 v=98,-75
-p=70,81 v=82,7
-p=97,102 v=-23,-8
-p=92,68 v=89,72
-p=24,42 v=-63,-97
-p=21,64 v=-45,-47
-p=58,3 v=-69,51
-p=33,68 v=19,-20
-p=27,6 v=-89,-21
-p=28,81 v=-67,-8
-p=59,83 v=-66,-82
-p=3,14 v=-3,-1
-p=19,65 v=15,-25
-p=57,37 v=53,-29
-p=36,84 v=-4,-84
-p=55,96 v=82,-21
-p=68,101 v=51,51
-p=68,8 v=-90,-30
-p=78,51 v=-51,-63
-p=4,55 v=-63,97
-p=100,60 v=76,-13
-p=7,91 v=-96,-73
-p=97,17 v=-54,33
-p=85,60 v=69,-3
-p=20,39 v=96,-85
-p=24,12 v=86,-84
-p=34,7 v=-7,-36
-p=30,69 v=-67,97
-p=65,17 v=20,33
-p=39,101 v=-7,-83
-p=38,51 v=-90,-4
-p=99,61 v=-13,59
-p=30,1 v=-67,-96
-p=1,89 v=-85,-83
-p=8,1 v=68,4
-p=89,89 v=-52,85
-p=81,5 v=-55,71
-p=99,60 v=-94,-72
-p=68,70 v=-10,78
-p=81,18 v=89,-95
-p=47,61 v=-39,56
-p=91,71 v=85,59
-p=28,66 v=44,-28
-p=10,64 v=-59,-4
-p=84,10 v=-32,-11
-p=29,52 v=-37,34
-p=78,43 v=-92,12
-p=85,3 v=-71,4
-p=37,85 v=-46,-84
-p=56,21 v=21,-32
-p=17,17 v=15,17
-p=26,87 v=45,-93
-p=57,21 v=-6,40
-p=95,48 v=-33,59
-p=38,59 v=65,-72
-p=59,85 v=-50,-99
-p=17,21 v=86,-45
-p=53,3 v=-28,-46
-p=1,40 v=-54,-91
-p=61,13 v=-40,83
-p=33,35 v=-72,-96
-p=40,14 v=33,-8
-p=29,89 v=53,-59
-p=74,0 v=-22,-42
-p=12,32 v=-65,-4
-p=82,89 v=-12,20
-p=35,71 v=-40,20
-p=14,5 v=95,83
-p=46,44 v=39,92
-p=25,54 v=-66,-47
-p=91,78 v=64,53
-p=14,9 v=25,67
-p=39,29 v=-29,8
-p=20,100 v=95,51
-p=59,41 v=92,-82
-p=15,92 v=93,-73
-p=42,93 v=3,-86
-p=82,93 v=-21,-96
-p=50,9 v=12,-39
-p=81,22 v=-13,99
-p=72,81 v=-51,-93
-p=88,19 v=-72,-14
-p=8,93 v=-85,-15
-p=54,2 v=61,8
-p=44,81 v=66,41
-p=78,10 v=90,8
-p=19,53 v=68,4
-p=80,43 v=9,46
-p=11,38 v=-66,88
-p=31,3 v=4,-2
-p=49,28 v=-74,21
-p=27,15 v=54,-88
-p=96,87 v=-50,-67
-p=94,94 v=-5,-97
-p=16,89 v=73,23
-p=93,32 v=-53,93
-p=47,17 v=-29,92
-p=10,78 v=16,35
-p=55,33 v=-60,-17
-p=55,73 v=-68,-22
-p=100,62 v=17,-69
-p=67,91 v=-49,45
-p=68,53 v=-42,-41
-p=35,73 v=54,47
-p=20,63 v=-85,-12
-p=23,16 v=-87,33
-p=70,55 v=50,-16
-p=92,6 v=41,-59
-p=9,97 v=-37,47
-p=48,48 v=42,40
-p=96,37 v=-90,32
-p=66,13 v=-60,91
-p=62,46 v=-50,18
-p=11,15 v=98,77
-p=42,78 v=1,47
-p=10,40 v=15,-48
-p=88,44 v=7,-75
-p=27,53 v=-70,-9
-p=21,7 v=-56,96
-p=92,81 v=-22,69
-p=57,65 v=92,-34
-p=85,63 v=77,11
-p=92,2 v=-30,21
-p=59,16 v=73,-70
-p=16,11 v=86,-89
-p=82,16 v=80,-36
-p=41,30 v=-49,19
-p=13,6 v=14,73
-p=67,99 v=-91,51
-p=37,20 v=-65,-37
-p=85,16 v=99,-14
-p=1,39 v=-44,56
-p=37,29 v=74,5
-p=44,51 v=-18,93
-p=43,9 v=-55,-84
-p=5,10 v=-65,26
-p=51,90 v=-59,-96
-p=55,98 v=-9,23
-p=0,94 v=88,-49
-p=91,43 v=-14,-72
-p=93,43 v=-69,-94
-p=84,100 v=-12,54
-p=23,46 v=85,78
-p=79,37 v=39,-10
-p=1,23 v=99,-79
-p=73,50 v=-51,84
-p=78,58 v=-31,-16
-p=75,44 v=69,71
-p=27,5 v=-87,14
-p=95,91 v=-33,63
-p=22,94 v=-5,-37
-p=36,11 v=-5,-60
-p=18,3 v=-64,-27
-p=44,14 v=24,-92
-p=96,40 v=65,-92
-p=47,1 v=84,25
-p=93,22 v=68,-48
-p=14,32 v=-24,37
-p=99,17 v=78,-89
-p=53,36 v=10,58
-p=44,44 v=-78,-60
-p=15,28 v=-96,-20
-p=96,61 v=-81,-45
-p=58,87 v=-9,7
-p=20,43 v=84,-22
-p=50,42 v=-18,68
-p=74,23 v=-12,42
-p=12,57 v=-94,-94
-p=49,49 v=-89,40
-p=47,98 v=-67,-8
-p=84,17 v=-62,11
-p=31,6 v=-57,-42
-p=28,67 v=66,-81
-p=0,3 v=-88,-13
-p=51,76 v=82,76
-p=67,81 v=87,-14
-p=84,78 v=39,41
-p=39,74 v=72,35
-p=30,10 v=64,-77
-p=10,31 v=11,-4
-p=6,90 v=-4,76
-p=90,24 v=-2,-23
-p=8,39 v=-57,-27
-p=31,69 v=93,-25
-p=79,38 v=39,-35
-p=69,31 v=70,30
-p=1,16 v=7,73
-p=46,9 v=-99,-70
-p=53,16 v=-94,-84
-p=32,60 v=33,-69
-p=62,22 v=-99,-4
-p=66,3 v=98,20
-p=4,76 v=46,-75
-p=50,71 v=-90,22
-p=57,12 v=31,-15
-p=59,84 v=-50,-65
-p=33,0 v=76,-48
-p=58,76 v=-30,44
-p=6,69 v=6,35
-p=74,91 v=-61,-43
-p=36,92 v=-58,60
-p=2,78 v=-48,-98
-p=43,91 v=53,76
-p=34,101 v=-77,79
-p=40,44 v=-68,28
-p=71,64 v=47,-48
-p=54,7 v=84,15
-p=54,75 v=-60,-31
-p=14,40 v=86,12
-p=80,29 v=-92,-26
-p=8,47 v=-33,-69
-p=2,41 v=12,-9
-p=39,60 v=-38,59
-p=13,22 v=86,-20
-p=25,12 v=-57,11
-p=60,47 v=96,96
-p=50,51 v=-48,-82
-p=85,40 v=89,74
-p=99,4 v=-94,-21
-p=75,7 v=29,-73
-p=28,58 v=-80,24
-p=46,94 v=-9,56
-p=24,65 v=-76,62
-p=50,2 v=-20,70
-p=85,55 v=-5,66
-p=38,11 v=43,36
-p=53,54 v=53,24
-p=18,45 v=65,96
-p=94,22 v=16,80
-p=79,28 v=75,-69
-p=30,38 v=-15,-29
-p=5,23 v=-4,49
-p=8,98 v=96,-99
-p=7,60 v=-14,47
-p=96,17 v=88,-73
-p=48,23 v=-41,35
-p=17,31 v=-26,-23
-p=13,52 v=66,37
-p=58,19 v=41,55
-p=25,9 v=-77,-89
-p=3,92 v=55,-80
-p=74,95 v=20,-77
-p=26,70 v=43,72
-p=54,4 v=96,-18
-p=63,8 v=-97,49
-p=23,51 v=87,-75
-p=24,18 v=85,36
-p=8,52 v=6,-13
-p=97,50 v=17,-72
-p=47,66 v=-25,6
-p=38,78 v=3,-93
-p=62,6 v=5,77
-p=56,74 v=-70,-6
-p=94,99 v=9,34
-p=19,92 v=-18,26
-p=35,54 v=-47,-69
-p=92,8 v=-13,42
-p=47,86 v=12,-90
-p=12,83 v=-68,2
-p=0,18 v=-75,-89
-p=11,99 v=-99,14
-p=88,20 v=62,21
-p=27,53 v=53,-47
-p=17,44 v=-5,-91
-p=57,10 v=66,-65
-p=66,95 v=-71,-12
-p=38,21 v=23,95
-p=68,69 v=-31,35
-p=87,71 v=50,72
-p=98,12 v=47,33
-p=94,21 v=66,51
-p=53,97 v=-16,-93
-p=59,35 v=6,39
-p=12,88 v=-86,88
-p=85,16 v=39,8
-p=38,85 v=35,80
-p=44,9 v=-48,11
-p=71,18 v=-82,39
-p=85,14 v=-74,-73
-p=88,22 v=-42,36
-p=8,6 v=-58,38
-p=21,58 v=-66,9
-p=25,17 v=-68,95
-p=89,16 v=-34,-86
-p=33,54 v=64,-88
-p=57,8 v=54,51
-p=40,18 v=-98,58
-p=91,22 v=-34,-53
-p=75,81 v=-70,26
-p=89,70 v=-2,69
-p=62,6 v=-1,-92
-p=78,24 v=-82,-42
-p=47,7 v=-75,83
-p=86,8 v=-63,95
-p=80,64 v=-36,-79
-p=69,95 v=-30,29
-p=46,86 v=85,20
-p=76,35 v=-82,-51
-p=33,15 v=-17,55
-p=40,58 v=-2,-11
-p=76,31 v=39,2
-p=46,82 v=-15,-45
-p=14,53 v=36,-16
-p=98,66 v=68,-3
-p=83,38 v=35,-87
-p=41,9 v=53,70
-p=35,33 v=-68,-68
-p=53,66 v=62,97
-p=75,80 v=49,-62
-p=66,70 v=-50,47
-p=78,80 v=7,64
-p=82,16 v=85,-81
-p=58,25 v=11,-70
-p=36,72 v=33,72
-p=66,92 v=-91,10
-p=24,52 v=-98,22
-p=74,7 v=-36,-79
-p=46,26 v=-61,-90
-p=52,24 v=53,-88
-p=92,26 v=31,78
-p=60,52 v=80,-81
-p=82,78 v=-81,-49
-p=10,3 v=-15,-55
-p=91,31 v=99,77
-p=75,50 v=-91,40
-p=49,71 v=93,91
-p=1,94 v=-54,54
-p=96,50 v=39,18
-p=0,3 v=-53,33
-p=34,9 v=-17,-8
-p=96,28 v=68,-63
-p=25,4 v=66,21
-p=94,74 v=82,-89
-p=47,66 v=-17,87
-p=58,23 v=63,83
-p=13,82 v=-74,75
-p=29,85 v=40,79
-p=57,7 v=50,83
-p=7,88 v=-37,-16
-p=81,61 v=-10,34
-p=6,32 v=33,-60
-p=63,7 v=1,98
-p=59,29 v=-31,-85
-p=85,91 v=19,-18
-p=22,39 v=21,90
-p=25,13 v=75,89
-p=14,100 v=-27,30
-p=33,6 v=97,-53
-p=84,83 v=-22,38
-p=100,69 v=77,-38
-p=2,67 v=-14,-25
-p=71,71 v=-53,73
-p=9,43 v=-52,98
-p=55,76 v=-60,94
-p=49,91 v=-35,-95
-p=77,68 v=26,12
-p=41,91 v=-17,-15
-p=1,69 v=-44,72
-p=32,61 v=4,59
-p=94,12 v=-33,30
-p=1,35 v=96,49
-p=72,64 v=-61,-53
-p=76,93 v=38,-37
-p=97,9 v=33,61
-p=60,32 v=80,18
-p=16,68 v=15,-29
-p=99,72 v=66,44
-p=99,18 v=56,99
-p=42,11 v=-88,11
-p=57,69 v=-2,-2
-p=39,57 v=26,-51
-p=34,15 v=73,42
-p=56,55 v=-61,-75
-p=89,1 v=67,-27
-p=21,100 v=5,70
-p=85,11 v=-35,63
-p=16,35 v=47,-63
-p=98,0 v=93,-2
-p=51,89 v=-9,85
-p=50,32 v=84,-42
-p=29,63 v=78,-76
-p=92,86 v=89,10
-p=27,11 v=-77,51
-p=65,21 v=-59,68
-p=84,68 v=20,-50
-p=19,2 v=-24,-36
-p=25,78 v=25,-85
-p=90,92 v=59,-87
-p=70,100 v=10,-52
-p=48,78 v=3,54
-p=85,81 v=30,44
-p=53,65 v=41,-67
-p=13,95 v=82,-29
-p=5,19 v=95,75
-p=37,96 v=-68,26
-p=83,16 v=-5,-9
-p=31,17 v=4,-20
-p=83,34 v=-83,-76
-p=50,88 v=93,-5
-p=66,36 v=-30,58
-p=11,29 v=-44,83
-p=31,31 v=-77,-51
-p=26,85 v=14,-18
-p=8,76 v=65,69
-p=60,70 v=-40,47
-p=69,70 v=22,64
-p=85,53 v=18,12
-p=97,93 v=-58,-57
-p=52,83 v=92,-9
-p=20,92 v=30,50
-p=88,73 v=32,3
-p=83,16 v=-42,-14
-p=57,89 v=-29,20
-p=50,19 v=73,8
-p=8,101 v=-94,-68
-p=12,77 v=-4,-84
-p=63,28 v=-84,91
-p=46,25 v=13,-95
-p=93,21 v=88,-26
-p=10,54 v=-24,72
-p=69,16 v=-92,-30
-p=26,68 v=21,97
-p=56,30 v=-90,-51
-p=62,69 v=-1,-50
-p=7,6 v=55,-39
-p=63,78 v=76,92
-p=57,55 v=-51,-19
-p=70,62 v=18,37
-p=88,26 v=-61,82
-p=80,50 v=-73,99
-p=40,1 v=-78,86
-p=35,85 v=81,-12
-p=17,74 v=56,47
-p=36,99 v=64,-15
-p=56,18 v=-29,-14
-p=42,44 v=-18,46
-p=84,4 v=-63,-2
-p=97,75 v=27,-62
-p=47,71 v=54,-50
-p=26,101 v=-67,-83
-p=30,74 v=-57,66`)
-	require.Equal(t, 0, r)
-}
diff --git a/2024/go/day14/input.txt b/2024/go/day14/input.txt
deleted file mode 100644
index 179e1e7..0000000
--- a/2024/go/day14/input.txt
+++ /dev/null
@@ -1,500 +0,0 @@
-p=80,75 v=69,72
-p=88,10 v=-28,-23
-p=79,61 v=79,59
-p=37,102 v=92,-43
-p=12,22 v=-5,-95
-p=60,13 v=-30,-42
-p=3,59 v=-96,-88
-p=85,33 v=-43,-41
-p=44,14 v=63,45
-p=6,6 v=-34,-86
-p=47,102 v=12,42
-p=36,88 v=-88,-93
-p=78,27 v=-18,52
-p=96,64 v=-62,-34
-p=49,99 v=-78,-15
-p=57,31 v=-80,21
-p=25,57 v=8,-84
-p=69,20 v=81,61
-p=80,5 v=-11,-30
-p=2,35 v=-85,77
-p=9,12 v=-4,36
-p=37,68 v=12,-69
-p=47,88 v=-8,-90
-p=72,68 v=59,-86
-p=55,38 v=-68,-94
-p=60,58 v=41,37
-p=76,87 v=-1,-18
-p=89,9 v=38,92
-p=100,67 v=17,-53
-p=83,73 v=80,32
-p=77,19 v=-54,-20
-p=10,86 v=-65,36
-p=13,88 v=-64,-84
-p=50,29 v=-17,-29
-p=79,38 v=89,-57
-p=55,57 v=-68,22
-p=71,82 v=-80,52
-p=37,83 v=-68,-43
-p=25,5 v=81,-22
-p=83,54 v=-32,-75
-p=27,95 v=-77,-55
-p=70,97 v=-72,-4
-p=3,84 v=-60,-60
-p=16,29 v=-35,99
-p=39,39 v=37,-38
-p=76,94 v=90,60
-p=18,21 v=-86,-26
-p=22,84 v=-16,66
-p=45,83 v=-40,-43
-p=35,52 v=54,3
-p=30,21 v=14,36
-p=69,61 v=69,-66
-p=52,22 v=-28,33
-p=9,21 v=-85,-73
-p=87,32 v=79,52
-p=28,85 v=-35,85
-p=32,58 v=-49,89
-p=22,75 v=85,44
-p=45,19 v=-88,61
-p=97,59 v=98,-75
-p=70,81 v=82,7
-p=97,102 v=-23,-8
-p=92,68 v=89,72
-p=24,42 v=-63,-97
-p=21,64 v=-45,-47
-p=58,3 v=-69,51
-p=33,68 v=19,-20
-p=27,6 v=-89,-21
-p=28,81 v=-67,-8
-p=59,83 v=-66,-82
-p=3,14 v=-3,-1
-p=19,65 v=15,-25
-p=57,37 v=53,-29
-p=36,84 v=-4,-84
-p=55,96 v=82,-21
-p=68,101 v=51,51
-p=68,8 v=-90,-30
-p=78,51 v=-51,-63
-p=4,55 v=-63,97
-p=100,60 v=76,-13
-p=7,91 v=-96,-73
-p=97,17 v=-54,33
-p=85,60 v=69,-3
-p=20,39 v=96,-85
-p=24,12 v=86,-84
-p=34,7 v=-7,-36
-p=30,69 v=-67,97
-p=65,17 v=20,33
-p=39,101 v=-7,-83
-p=38,51 v=-90,-4
-p=99,61 v=-13,59
-p=30,1 v=-67,-96
-p=1,89 v=-85,-83
-p=8,1 v=68,4
-p=89,89 v=-52,85
-p=81,5 v=-55,71
-p=99,60 v=-94,-72
-p=68,70 v=-10,78
-p=81,18 v=89,-95
-p=47,61 v=-39,56
-p=91,71 v=85,59
-p=28,66 v=44,-28
-p=10,64 v=-59,-4
-p=84,10 v=-32,-11
-p=29,52 v=-37,34
-p=78,43 v=-92,12
-p=85,3 v=-71,4
-p=37,85 v=-46,-84
-p=56,21 v=21,-32
-p=17,17 v=15,17
-p=26,87 v=45,-93
-p=57,21 v=-6,40
-p=95,48 v=-33,59
-p=38,59 v=65,-72
-p=59,85 v=-50,-99
-p=17,21 v=86,-45
-p=53,3 v=-28,-46
-p=1,40 v=-54,-91
-p=61,13 v=-40,83
-p=33,35 v=-72,-96
-p=40,14 v=33,-8
-p=29,89 v=53,-59
-p=74,0 v=-22,-42
-p=12,32 v=-65,-4
-p=82,89 v=-12,20
-p=35,71 v=-40,20
-p=14,5 v=95,83
-p=46,44 v=39,92
-p=25,54 v=-66,-47
-p=91,78 v=64,53
-p=14,9 v=25,67
-p=39,29 v=-29,8
-p=20,100 v=95,51
-p=59,41 v=92,-82
-p=15,92 v=93,-73
-p=42,93 v=3,-86
-p=82,93 v=-21,-96
-p=50,9 v=12,-39
-p=81,22 v=-13,99
-p=72,81 v=-51,-93
-p=88,19 v=-72,-14
-p=8,93 v=-85,-15
-p=54,2 v=61,8
-p=44,81 v=66,41
-p=78,10 v=90,8
-p=19,53 v=68,4
-p=80,43 v=9,46
-p=11,38 v=-66,88
-p=31,3 v=4,-2
-p=49,28 v=-74,21
-p=27,15 v=54,-88
-p=96,87 v=-50,-67
-p=94,94 v=-5,-97
-p=16,89 v=73,23
-p=93,32 v=-53,93
-p=47,17 v=-29,92
-p=10,78 v=16,35
-p=55,33 v=-60,-17
-p=55,73 v=-68,-22
-p=100,62 v=17,-69
-p=67,91 v=-49,45
-p=68,53 v=-42,-41
-p=35,73 v=54,47
-p=20,63 v=-85,-12
-p=23,16 v=-87,33
-p=70,55 v=50,-16
-p=92,6 v=41,-59
-p=9,97 v=-37,47
-p=48,48 v=42,40
-p=96,37 v=-90,32
-p=66,13 v=-60,91
-p=62,46 v=-50,18
-p=11,15 v=98,77
-p=42,78 v=1,47
-p=10,40 v=15,-48
-p=88,44 v=7,-75
-p=27,53 v=-70,-9
-p=21,7 v=-56,96
-p=92,81 v=-22,69
-p=57,65 v=92,-34
-p=85,63 v=77,11
-p=92,2 v=-30,21
-p=59,16 v=73,-70
-p=16,11 v=86,-89
-p=82,16 v=80,-36
-p=41,30 v=-49,19
-p=13,6 v=14,73
-p=67,99 v=-91,51
-p=37,20 v=-65,-37
-p=85,16 v=99,-14
-p=1,39 v=-44,56
-p=37,29 v=74,5
-p=44,51 v=-18,93
-p=43,9 v=-55,-84
-p=5,10 v=-65,26
-p=51,90 v=-59,-96
-p=55,98 v=-9,23
-p=0,94 v=88,-49
-p=91,43 v=-14,-72
-p=93,43 v=-69,-94
-p=84,100 v=-12,54
-p=23,46 v=85,78
-p=79,37 v=39,-10
-p=1,23 v=99,-79
-p=73,50 v=-51,84
-p=78,58 v=-31,-16
-p=75,44 v=69,71
-p=27,5 v=-87,14
-p=95,91 v=-33,63
-p=22,94 v=-5,-37
-p=36,11 v=-5,-60
-p=18,3 v=-64,-27
-p=44,14 v=24,-92
-p=96,40 v=65,-92
-p=47,1 v=84,25
-p=93,22 v=68,-48
-p=14,32 v=-24,37
-p=99,17 v=78,-89
-p=53,36 v=10,58
-p=44,44 v=-78,-60
-p=15,28 v=-96,-20
-p=96,61 v=-81,-45
-p=58,87 v=-9,7
-p=20,43 v=84,-22
-p=50,42 v=-18,68
-p=74,23 v=-12,42
-p=12,57 v=-94,-94
-p=49,49 v=-89,40
-p=47,98 v=-67,-8
-p=84,17 v=-62,11
-p=31,6 v=-57,-42
-p=28,67 v=66,-81
-p=0,3 v=-88,-13
-p=51,76 v=82,76
-p=67,81 v=87,-14
-p=84,78 v=39,41
-p=39,74 v=72,35
-p=30,10 v=64,-77
-p=10,31 v=11,-4
-p=6,90 v=-4,76
-p=90,24 v=-2,-23
-p=8,39 v=-57,-27
-p=31,69 v=93,-25
-p=79,38 v=39,-35
-p=69,31 v=70,30
-p=1,16 v=7,73
-p=46,9 v=-99,-70
-p=53,16 v=-94,-84
-p=32,60 v=33,-69
-p=62,22 v=-99,-4
-p=66,3 v=98,20
-p=4,76 v=46,-75
-p=50,71 v=-90,22
-p=57,12 v=31,-15
-p=59,84 v=-50,-65
-p=33,0 v=76,-48
-p=58,76 v=-30,44
-p=6,69 v=6,35
-p=74,91 v=-61,-43
-p=36,92 v=-58,60
-p=2,78 v=-48,-98
-p=43,91 v=53,76
-p=34,101 v=-77,79
-p=40,44 v=-68,28
-p=71,64 v=47,-48
-p=54,7 v=84,15
-p=54,75 v=-60,-31
-p=14,40 v=86,12
-p=80,29 v=-92,-26
-p=8,47 v=-33,-69
-p=2,41 v=12,-9
-p=39,60 v=-38,59
-p=13,22 v=86,-20
-p=25,12 v=-57,11
-p=60,47 v=96,96
-p=50,51 v=-48,-82
-p=85,40 v=89,74
-p=99,4 v=-94,-21
-p=75,7 v=29,-73
-p=28,58 v=-80,24
-p=46,94 v=-9,56
-p=24,65 v=-76,62
-p=50,2 v=-20,70
-p=85,55 v=-5,66
-p=38,11 v=43,36
-p=53,54 v=53,24
-p=18,45 v=65,96
-p=94,22 v=16,80
-p=79,28 v=75,-69
-p=30,38 v=-15,-29
-p=5,23 v=-4,49
-p=8,98 v=96,-99
-p=7,60 v=-14,47
-p=96,17 v=88,-73
-p=48,23 v=-41,35
-p=17,31 v=-26,-23
-p=13,52 v=66,37
-p=58,19 v=41,55
-p=25,9 v=-77,-89
-p=3,92 v=55,-80
-p=74,95 v=20,-77
-p=26,70 v=43,72
-p=54,4 v=96,-18
-p=63,8 v=-97,49
-p=23,51 v=87,-75
-p=24,18 v=85,36
-p=8,52 v=6,-13
-p=97,50 v=17,-72
-p=47,66 v=-25,6
-p=38,78 v=3,-93
-p=62,6 v=5,77
-p=56,74 v=-70,-6
-p=94,99 v=9,34
-p=19,92 v=-18,26
-p=35,54 v=-47,-69
-p=92,8 v=-13,42
-p=47,86 v=12,-90
-p=12,83 v=-68,2
-p=0,18 v=-75,-89
-p=11,99 v=-99,14
-p=88,20 v=62,21
-p=27,53 v=53,-47
-p=17,44 v=-5,-91
-p=57,10 v=66,-65
-p=66,95 v=-71,-12
-p=38,21 v=23,95
-p=68,69 v=-31,35
-p=87,71 v=50,72
-p=98,12 v=47,33
-p=94,21 v=66,51
-p=53,97 v=-16,-93
-p=59,35 v=6,39
-p=12,88 v=-86,88
-p=85,16 v=39,8
-p=38,85 v=35,80
-p=44,9 v=-48,11
-p=71,18 v=-82,39
-p=85,14 v=-74,-73
-p=88,22 v=-42,36
-p=8,6 v=-58,38
-p=21,58 v=-66,9
-p=25,17 v=-68,95
-p=89,16 v=-34,-86
-p=33,54 v=64,-88
-p=57,8 v=54,51
-p=40,18 v=-98,58
-p=91,22 v=-34,-53
-p=75,81 v=-70,26
-p=89,70 v=-2,69
-p=62,6 v=-1,-92
-p=78,24 v=-82,-42
-p=47,7 v=-75,83
-p=86,8 v=-63,95
-p=80,64 v=-36,-79
-p=69,95 v=-30,29
-p=46,86 v=85,20
-p=76,35 v=-82,-51
-p=33,15 v=-17,55
-p=40,58 v=-2,-11
-p=76,31 v=39,2
-p=46,82 v=-15,-45
-p=14,53 v=36,-16
-p=98,66 v=68,-3
-p=83,38 v=35,-87
-p=41,9 v=53,70
-p=35,33 v=-68,-68
-p=53,66 v=62,97
-p=75,80 v=49,-62
-p=66,70 v=-50,47
-p=78,80 v=7,64
-p=82,16 v=85,-81
-p=58,25 v=11,-70
-p=36,72 v=33,72
-p=66,92 v=-91,10
-p=24,52 v=-98,22
-p=74,7 v=-36,-79
-p=46,26 v=-61,-90
-p=52,24 v=53,-88
-p=92,26 v=31,78
-p=60,52 v=80,-81
-p=82,78 v=-81,-49
-p=10,3 v=-15,-55
-p=91,31 v=99,77
-p=75,50 v=-91,40
-p=49,71 v=93,91
-p=1,94 v=-54,54
-p=96,50 v=39,18
-p=0,3 v=-53,33
-p=34,9 v=-17,-8
-p=96,28 v=68,-63
-p=25,4 v=66,21
-p=94,74 v=82,-89
-p=47,66 v=-17,87
-p=58,23 v=63,83
-p=13,82 v=-74,75
-p=29,85 v=40,79
-p=57,7 v=50,83
-p=7,88 v=-37,-16
-p=81,61 v=-10,34
-p=6,32 v=33,-60
-p=63,7 v=1,98
-p=59,29 v=-31,-85
-p=85,91 v=19,-18
-p=22,39 v=21,90
-p=25,13 v=75,89
-p=14,100 v=-27,30
-p=33,6 v=97,-53
-p=84,83 v=-22,38
-p=100,69 v=77,-38
-p=2,67 v=-14,-25
-p=71,71 v=-53,73
-p=9,43 v=-52,98
-p=55,76 v=-60,94
-p=49,91 v=-35,-95
-p=77,68 v=26,12
-p=41,91 v=-17,-15
-p=1,69 v=-44,72
-p=32,61 v=4,59
-p=94,12 v=-33,30
-p=1,35 v=96,49
-p=72,64 v=-61,-53
-p=76,93 v=38,-37
-p=97,9 v=33,61
-p=60,32 v=80,18
-p=16,68 v=15,-29
-p=99,72 v=66,44
-p=99,18 v=56,99
-p=42,11 v=-88,11
-p=57,69 v=-2,-2
-p=39,57 v=26,-51
-p=34,15 v=73,42
-p=56,55 v=-61,-75
-p=89,1 v=67,-27
-p=21,100 v=5,70
-p=85,11 v=-35,63
-p=16,35 v=47,-63
-p=98,0 v=93,-2
-p=51,89 v=-9,85
-p=50,32 v=84,-42
-p=29,63 v=78,-76
-p=92,86 v=89,10
-p=27,11 v=-77,51
-p=65,21 v=-59,68
-p=84,68 v=20,-50
-p=19,2 v=-24,-36
-p=25,78 v=25,-85
-p=90,92 v=59,-87
-p=70,100 v=10,-52
-p=48,78 v=3,54
-p=85,81 v=30,44
-p=53,65 v=41,-67
-p=13,95 v=82,-29
-p=5,19 v=95,75
-p=37,96 v=-68,26
-p=83,16 v=-5,-9
-p=31,17 v=4,-20
-p=83,34 v=-83,-76
-p=50,88 v=93,-5
-p=66,36 v=-30,58
-p=11,29 v=-44,83
-p=31,31 v=-77,-51
-p=26,85 v=14,-18
-p=8,76 v=65,69
-p=60,70 v=-40,47
-p=69,70 v=22,64
-p=85,53 v=18,12
-p=97,93 v=-58,-57
-p=52,83 v=92,-9
-p=20,92 v=30,50
-p=88,73 v=32,3
-p=83,16 v=-42,-14
-p=57,89 v=-29,20
-p=50,19 v=73,8
-p=8,101 v=-94,-68
-p=12,77 v=-4,-84
-p=63,28 v=-84,91
-p=46,25 v=13,-95
-p=93,21 v=88,-26
-p=10,54 v=-24,72
-p=69,16 v=-92,-30
-p=26,68 v=21,97
-p=56,30 v=-90,-51
-p=62,69 v=-1,-50
-p=7,6 v=55,-39
-p=63,78 v=76,92
-p=57,55 v=-51,-19
-p=70,62 v=18,37
-p=88,26 v=-61,82
-p=80,50 v=-73,99
-p=40,1 v=-78,86
-p=35,85 v=81,-12
-p=17,74 v=56,47
-p=36,99 v=64,-15
-p=56,18 v=-29,-14
-p=42,44 v=-18,46
-p=84,4 v=-63,-2
-p=97,75 v=27,-62
-p=47,71 v=54,-50
-p=26,101 v=-67,-83
-p=30,74 v=-57,66
diff --git a/2024/go/day15/day15.go b/2024/go/day15/day15.go
deleted file mode 100644
index 349865b..0000000
--- a/2024/go/day15/day15.go
+++ /dev/null
@@ -1,119 +0,0 @@
-package day15
-
-import (
-	_ "adventofcode2024/utils"
-	_ "adventofcode2024/utils/grid2d"
-	_ "adventofcode2024/utils/grid2d"
-	"adventofcode2024/utils/inputs"
-	"fmt"
-	_ "regexp"
-	"strings"
-
-	_ "github.com/deckarep/golang-set/v2"
-)
-
-type Loc struct {
-	x int
-	y int
-}
-
-type Queue struct {
-	elements []Loc
-}
-
-// Push adds an element to the end of the queue
-func (q *Queue) Push(value Loc) {
-	q.elements = append(q.elements, value)
-}
-
-// Pop removes an element from the front of the queue
-func (q *Queue) Pop() (Loc, bool) {
-	if len(q.elements) == 0 {
-		return Loc{}, false // Return zero and false if the queue is empty
-	}
-	value := q.elements[0]
-	q.elements = q.elements[1:] // Remove the first element
-	return value, true
-}
-
-// IsEmpty checks if the queue is empty
-func (q *Queue) IsEmpty() bool {
-	return len(q.elements) == 0
-}
-
-func Part1(input string) int {
-	var val int
-	var rloc Loc
-	in := strings.Split(input, "\n\n")
-	dirs := map[rune][2]int{
-		'<': {-1, 0},
-		'>': {1, 0},
-		'^': {0, -1},
-		'v': {0, 1},
-	}
-	grid := inputs.ToGrid2D(in[0], "\n", "", ',', func(c string) rune { return rune(c[0]) })
-	directions := strings.ReplaceAll(in[1], "\n", "")
-	fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
-	fmt.Printf("%v\n", directions)
-	found := false
-	for x := 0; x < grid.SizeX(); x++ {
-		if found {
-			break
-		}
-		for y := 0; y < grid.SizeY(); y++ {
-			if grid.Get(x, y) == '@' {
-				rloc = Loc{x: x, y: y}
-				found = true
-				break
-			}
-		}
-	}
-	fmt.Printf("Robot: %v\n", rloc)
-	for _, dir := range directions {
-		q := &Queue{}
-		x := rloc.x
-		y := rloc.y
-	Loop:
-		for {
-			x += dirs[dir][0]
-			y += dirs[dir][1]
-			switch grid.Get(x, y) {
-			case 'O':
-				q.Push(Loc{x: x, y: y})
-			case '.':
-				for !q.IsEmpty() {
-					grid.Set(x, y, 'O')
-					loc, _ := q.Pop()
-					fmt.Printf("%d,%d\n", loc.x, loc.y)
-					//					grid.Set(loc.x, loc.y, 'O')
-					x -= dirs[dir][0]
-					y -= dirs[dir][1]
-				}
-				grid.Set(rloc.x, rloc.y, '.')
-				rloc.x = x
-				rloc.y = y
-				grid.Set(rloc.x, rloc.y, '@')
-				break Loop
-			case '#':
-				break Loop
-			}
-		}
-		//		fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
-	}
-	for x := 0; x < grid.SizeX(); x++ {
-		for y := 0; y < grid.SizeY(); y++ {
-			if grid.Get(x, y) == 'O' {
-				val += (100 * y) + x
-			}
-		}
-	}
-	return val
-}
-
-func Part2(input string) int {
-	return 0
-}
-
-func formatter(p rune, x int, y int) string {
-	return string(p)
-}
diff --git a/2024/go/day15/day15_test.go b/2024/go/day15/day15_test.go
deleted file mode 100644
index 3abc33f..0000000
--- a/2024/go/day15/day15_test.go
+++ /dev/null
@@ -1,57 +0,0 @@
-package day15
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`##########
-#..O..O.O#
-#......O.#
-#.OO..O.O#
-#..O@..O.#
-#O#..O...#
-#O..O..O.#
-#.OO.O.OO#
-#....O...#
-##########
-
-<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
-vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
-><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
-<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
-^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
-^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
->^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
-<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
-^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
-v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
-	require.Equal(t, 10092, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`##########
-#..O..O.O#
-#......O.#
-#.OO..O.O#
-#..O@..O.#
-#O#..O...#
-#O..O..O.#
-#.OO.O.OO#
-#....O...#
-##########
-
-<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
-vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
-><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
-<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
-^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
-^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
->^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
-<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
-^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
-v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
-	require.Equal(t, 0, r)
-}
diff --git a/2024/go/day15/input.txt b/2024/go/day15/input.txt
deleted file mode 100644
index 923444c..0000000
--- a/2024/go/day15/input.txt
+++ /dev/null
@@ -1,71 +0,0 @@
-##################################################
-#...O.#..O....##O..OO.#O..#.#.......OO...#O.#OO..#
-#O#..OO...O..O.O.....O.O.O....OO#.....O#.O.OO..O.#
-#........O....#...O......O.OO...#..O.O.#O#....O..#
-#..O.OO..O..O.#..O.O.OO.O...O...O......#O.....O..#
-#..OO.....O.OO.O#.......O.........O.....O.O.O....#
-#.O.#.O.O#......OO........O.O.....OO..O.O.O.#.#O.#
-#........#.....#.##O....O.O..OOO.......OOO.#O....#
-#.O#.#...OO.....#.......O...O...#O.O.......OO..OO#
-#.O...O..#O...#O..O.........O.O..OO..O.......O.OO#
-#O.O......O.OO..O.O.......O.OO#O.##...#....#O.O.O#
-#.O...O.OO.O....O..O.O...O...#.O....OO..O.O#O#OO.#
-#.....O.O..#O.....O.O..##O.O#OO...O...O.O.O......#
-##..O...O..OO.O.O.O..OO........#.##.........O.O..#
-#..O...O.OO..OOO.O...#..#.........#.O....OO......#
-#O....OOO.OO...O##.O.OO..O.O.....O.O.OOO....O.O.O#
-#O.O..OO.O..OO............O....O....O..OO...OO..##
-#.O...O.O.O.....O..O.O...O.#.......OOO...........#
-#O.O...O.....#..O..#O...O.O.O....O#...#.###.....O#
-#.O...O.O..#O.#.OO.......O.OO.O...O...........O..#
-##O.#O....O.#............O..O..O.....O..O..OO....#
-##..#.OO.O.OO.#.O....O...#........#........O.O...#
-#..O.OO...O....#..OO.O...........OOOO#..OO#O.....#
-#OO.O#...#..#...O#........O.OOO...OO....#O.OO#OOO#
-#...OOO............#O.#.@...O.....O#.#.O...O..O..#
-#...O...OO.#..O......O..............#OOO......OOO#
-#..#OO...O.#O......O..OO.O#...O....OO..O...O.O#O.#
-#.#.##...#O........#.O.....#O#.O.OO..OOO..#..O...#
-#.#....#...O..O#O..OOO.....#....#......O...O...#.#
-#....O....O......O.O.O..........O.O..O.O......O..#
-#.#OO#O.OO............O##.##O.O#.O...O#.........O#
-##.O.#..........#......#OOOO.OO.#.O.O.O.....O..#.#
-#O.....#OO.....O..............#...O.O..O.....OO#.#
-#O.O.O..O#OO.O.O....O..O......O..O........OO.....#
-##O....O...............................#.O.....O##
-##..O...#...O.........O#...#O...O.OO......OO.O..O#
-#O..OO.....OOOO.#......O.#OO..O.O...O.O...O.O.O#.#
-#..O.....O.O........O.....O.....O#....OO##OOO..#O#
-#O..##....OOO..O#.O....O.#...O.....O.O.O......O.O#
-#..OO.#O.......O.OO.O#O.O.....O.....OO..OO.OOOO..#
-#.#.#OO.O..O.O........O#.#...#..O.O.O.#.O..OO.O.O#
-#..O#.OO.O.#.....O...O..OO#..O...O.O#...O.....#.O#
-#.OO.OO....O.O..O..#OO.....#......#.#OO..#.#O.O#.#
-#...O....#..#......O....O..O#O...O....OO.......O.#
-#.#.....O#.......O..O..#O.OOOO..........O.O......#
-#.O.O.....OO.O.O.O..#O.O.O..O.OO....O....##.....##
-#O..#.OOO##....O.O..OOOO.O...O..O#..........O....#
-##.O##...O.O.....O.O#...O.........#...........OOO#
-#O#O.....#..O.OOO...O..OO.....OOO............#O..#
-##################################################
-
-^^<^>^^<<^v>^><^^^<v<v^>^^<><^v>v<^vv>^v<^>>v>^vv<<vv>>>>>>v^>v>^>^v<^v^<v^<^v>>^^>v<<>>^v^<v<v>v<v<v^<>>^>v^>^^^<^<v<v<<<v<^vv>^v>>v<v^>><vvv>^>v<^^vvv<>vvv<^v<>v><><^^<>v^^<^><v^><>>^^>v^<v>>^<><<^><<>v>>vvv<^^v^v^><vv>>v^^><v^<<^v>^vv<^<^<^<><>>>^><vv>>^<v^<><><^v<^<^v<^^>^<><<^<<^vv^^v<vv^^>^<^<v^v^^<v^>^v<vvv^vv<^^<^^>v>>^v>^v><v^^^v>^<^<v<^>>^><>^v<>v>^^^<^vv^^<^v<vv>><^^^v<<>>>^<^^>^<v>v>><v^v<<<v>^<vv<^<v^>^<^<v^<>^><v<>^>><<^><vv>>vv<>v^<vvv^<v><v^vv>^<<><vvv>^<><>^^v<^v<<>vv><^>><^<<v<^>^>>^^>v<^>v^>^<vv><v><<^^^^v^<>^>^v^^v<v^<v>v<><<<v>vv^v><vv^>>>v>>>>><v<vvvv<<^v>^v>^<><<<><>v<vv<v><>^vv>v<>^v^<>>v<v>>>v^>^<vv^^<v<^<^>vv^vvv^^<<>vv>^>^v>>v^^vv<^v>^^vv<>^v>^>v^^<>^^><vvvvvv<^^>^^v<>^^^<^^<>^>^v><v><<>>^<>>v>>^><^>v<v><>v^v<v><>^<<>>v>^v<vv><>^v<^>^^v>v>>^<^^^<<vvv><<v><<>vvv^v><<v^vv><^^^v^^^>v><<^^v>vv^v><v>^>^v<>>vv<<^v<v><>v><^><>>^vv><>><<vv^v<^^>><<>>v>><><vv>v^^<^<v<<^vv^<^^<v^<vv<<v<>v<>^<^<^>v^^^>>v<^^<^^^>^^>^>^>^^<><vvv>v>v<vv<^v<^>vv^<vv>v^>^<^<>v>^^>v<^>v>v>><>
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-^>>v<><<<vvv^^^<vv><<<vvv>v<<<<^v<>v<<^vv<^vv<^^>>v^>^v^>^<>>>v<^<<^^>>vv^^<^^^>^><vv<v<v^^v<vv^<<^v<<^v<v<v><>>>vv<>vv<>^^>vv^vvvv<v>vv<vv^^>^<v<vvvv^>v>^^<<^<<<>v>^<^<v>v>vv<<v<^vv>>^^<v<v<v<>>^>><^<v<<>^^v<>^<^v>^><><<vv<^><<^><>^>^^vv^>^<<<^>^v>^v<<<>^^<^^<<^<v><^^<>^<<<^v^<>^>vv<vvv>v><<<^vv^<^><>><><>v^^>v<^<^vv<>><^>v>^v<><>>^v^^^^v^<<><^^v>><>^v^<v^><>>^<vv>v>v^^v<^v><>>v<v^v<v<v>><^^<<^v<>v<<^<v>^>><<<^>>v<v<<^^v<v>v>^<^>^<^v^<^v>>>>>><^vv<v<v^<^v^<<><^>v>>v<vv>^<vv<<v^v>>>vvv<v<vv<<<^v<v<>^vvvvvvv>^^>>>^v<>><>^<<<>^><^^v^v<>><^>^>v><<v>>>v^>^<^<^<v^vv>><<^<>vv^^v^<>v<<<^>>v<v>vv^>><<^<^^><^^>>>v>^^^>^v<v>v<v^<v^>^<<>^^^<^v>><>>>>v^<>>^^^<>v^^v^>><<>v>>^>^vvv<v>><>^v>vv^v>><vvvvv^>^><>^>v<<^>><^^v><^<v^^>>^^>^>vv><<<^vvvvv<^<^<<vv>^<^^<>v^^>^v<^^v<>v>^>^>vv^>v>^<vvv<<^<>^<^<^^v><^<^^v^<vv>v<>>^>v^v<^v>>><^v<^<<^v<^vv^^><>^v<><^><v^v>v<>vvv^^^>^^^^^v<^^^<v^<^>^v<<v<^^v<^v^<<^>><<>>>v^v<>v^^^>^vv>v>v>>><><v^<v><vv<>v>vvvv>v>>vvv><v<v^<^<v<^vvv>^<v<>v<>^^v^<^vv^^>^^>>vv<><^vv><v<
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diff --git a/2024/go/day16/day16.go b/2024/go/day16/day16.go
deleted file mode 100644
index cbf3814..0000000
--- a/2024/go/day16/day16.go
+++ /dev/null
@@ -1,225 +0,0 @@
-package day16
-
-import (
-	"adventofcode2024/utils/dijkstra"
-	"adventofcode2024/utils/grid2d"
-	"adventofcode2024/utils/inputs"
-	"fmt"
-	_ "strings"
-)
-
-type (
-	Vec  struct{ x, y int }
-	Dir  struct{ x, y int }
-	Cell rune
-	Move struct {
-		p Vec
-		d Dir
-	}
-	Maze struct {
-		height, width int
-		start         Vec
-		end           Vec
-		grid          *grid2d.Grid[Cell]
-	}
-)
-
-const (
-	WALL     Cell = '#'
-	CORRIDOR Cell = '.'
-	START    Cell = 'S'
-	END      Cell = 'E'
-	PATH     Cell = '*'
-)
-
-var (
-	NORTH      = Dir{0, -1}
-	EAST       = Dir{1, 0}
-	SOUTH      = Dir{0, 1}
-	WEST       = Dir{-1, 0}
-	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
-)
-
-func Part1(input string) int {
-	maze := Maze{}.Parse(input)
-	fmt.Println(maze)
-	data := inputGraph(*maze)
-	graph := dijkstra.CreateGraph(data)
-	data.From.Label = "EAST"
-	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
-	for _, p := range path {
-		maze.grid.Set(p.X, p.Y, PATH)
-	}
-	fmt.Println(maze)
-	return dist
-}
-func Part2(input string) int {
-	maze := Maze{}.Parse(input)
-	fmt.Println(maze)
-	data := inputGraph(*maze)
-	graph := dijkstra.CreateGraph(data)
-	data.From.Label = "START"
-	data.To.Label = "NORTH"
-	paths, _ := dijkstra.GetAllShortestPaths(data.From, data.To, graph)
-	bestPaths := make(map[Vec]struct{})
-	for _, path := range paths {
-		for _, node := range path {
-			bestPaths[Vec{x: node.X, y: node.Y}] = struct{}{}
-		}
-	}
-	return len(bestPaths)
-}
-
-func inputGraph(maze Maze) dijkstra.InputGraph {
-	data := dijkstra.InputGraph{}
-	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"}
-	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"}
-	for y := 0; y < maze.height; y++ {
-		for x := 0; x < maze.width; x++ {
-			if maze.grid.Get(x, y) == WALL {
-				continue
-			}
-			for _, dir := range DIRECTIONS {
-				nx, ny := x+dir.x, y+dir.y
-				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
-					continue
-				}
-				if maze.grid.Get(nx, ny) == WALL {
-					continue
-				}
-				for _, d := range getAllowedDirections(dir) {
-					ss := dirToString(dir)
-					ds := dirToString(d)
-					data.Graph = append(data.Graph, dijkstra.InputData{
-						Source:      dijkstra.Point{X: x, Y: y, Label: ss},
-						Destination: dijkstra.Point{X: nx, Y: ny, Label: ds},
-						Weight: func() int {
-							if dir == d {
-								return 1
-							} else {
-								return 1001
-							}
-						}(),
-					})
-				}
-			}
-		}
-	}
-
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
-		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(EAST)},
-		Weight:      0,
-	})
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
-		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(WEST)},
-		Weight:      0,
-	})
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
-		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(NORTH)},
-		Weight:      0,
-	})
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
-		Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(SOUTH)},
-		Weight:      0,
-	})
-
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
-		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(EAST)},
-		Weight:      0,
-	})
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
-		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(WEST)},
-		Weight:      2000,
-	})
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
-		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(NORTH)},
-		Weight:      1000,
-	})
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
-		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(SOUTH)},
-		Weight:      1000,
-	})
-
-	data.Graph = append(data.Graph, dijkstra.InputData{
-		Source:      dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "EAST"},
-		Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "NORTH"},
-		Weight:      1000,
-	})
-
-	return data
-}
-
-func dirToString(dir Dir) string {
-	switch dir {
-	case NORTH:
-		return "NORTH"
-	case EAST:
-		return "EAST"
-	case SOUTH:
-		return "SOUTH"
-	case WEST:
-		return "WEST"
-	default:
-		return "UNKNOWN"
-	}
-}
-
-func getAllowedDirections(direction Dir) []Dir {
-	switch direction {
-	case NORTH:
-		return []Dir{NORTH, EAST, WEST}
-	case SOUTH:
-		return []Dir{SOUTH, EAST, WEST}
-	case WEST:
-		return []Dir{WEST, NORTH, SOUTH}
-	case EAST:
-		return []Dir{EAST, NORTH, SOUTH}
-	}
-	return []Dir{}
-}
-
-func (m Maze) Parse(input string) *Maze {
-	m.grid = inputs.ToGrid2D(input, "\n", "", '?', func(c string) Cell { return Cell(c[0]) })
-	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
-	for y := 0; y < m.height; y++ {
-		for x := 0; x < m.width; x++ {
-			c := m.grid.Get(x, y)
-			switch c {
-			case WALL, CORRIDOR:
-				m.grid.Set(x, y, c)
-			case START:
-				m.grid.Set(x, y, CORRIDOR)
-				m.start = Vec{x, y}
-			case END:
-				m.grid.Set(x, y, CORRIDOR)
-				m.end = Vec{x, y}
-			}
-		}
-	}
-	return &m
-}
-
-func (m *Maze) String() string {
-	s := ""
-	for y := 0; y < m.height; y++ {
-		for x := 0; x < m.width; x++ {
-			if y == m.start.y && x == m.start.x {
-				s += string(START)
-			} else if y == m.end.y && x == m.end.x {
-				s += string(END)
-			} else {
-				s += string(m.grid.Get(x, y))
-			}
-		}
-		s += "\n"
-	}
-	return s
-}
diff --git a/2024/go/day16/day16_test.go b/2024/go/day16/day16_test.go
deleted file mode 100644
index 426b7b5..0000000
--- a/2024/go/day16/day16_test.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package day16
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`###############
-#.......#....E#
-#.#.###.#.###.#
-#.....#.#...#.#
-#.###.#####.#.#
-#.#.#.......#.#
-#.#.#####.###.#
-#...........#.#
-###.#.#####.#.#
-#...#.....#.#.#
-#.#.#.###.#.#.#
-#.....#...#.#.#
-#.###.#.#.#.#.#
-#S..#.....#...#
-###############`)
-	require.Equal(t, 7036, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`#################
-#...#...#...#..E#
-#.#.#.#.#.#.#.#.#
-#.#.#.#...#...#.#
-#.#.#.#.###.#.#.#
-#...#.#.#.....#.#
-#.#.#.#.#.#####.#
-#.#...#.#.#.....#
-#.#.#####.#.###.#
-#.#.#.......#...#
-#.#.###.#####.###
-#.#.#...#.....#.#
-#.#.#.#####.###.#
-#.#.#.........#.#
-#.#.#.#########.#
-#S#.............#
-#################`)
-	require.Equal(t, 64, r)
-}
diff --git a/2024/go/day16/input.txt b/2024/go/day16/input.txt
deleted file mode 100644
index 67000f9..0000000
--- a/2024/go/day16/input.txt
+++ /dev/null
@@ -1,141 +0,0 @@
-#############################################################################################################################################
-#.....#.....#...#.................#...#.......#.........#...#.......#...#.......#.......#...#...#.....#...#.......................#...#....E#
-#.###.#.#.#.###.#.###.###.#######.#.#.#.#.###.#.###.###.#.#.#.###.#.###.#.#.#####.###.#.###.#.#.#.#.#.#.#.#.#####.#.###.#.#######.#.#.#.###.#
-#...#.#.#.#...#.....#...#.#.....#...#...#.#...#.#...#...#.#.#...#.#...#.#.#...#...#...#.....#.#.#.#.#...#...#.....#.#.#.....#.....#.#.#...#.#
-#.#.###.#.###.#.#####.#.#.###.###########.#.#####.###.###.###.###.###.#.#.#.#.#.###.#######.#.#.#.#.#########.#####.#.#.#####.#####.#.###.#.#
-#.#.....#.#.#.#...#...#.#...#.....#.....#.#.....#.#.#.#.........................#.#.......#.#.#...#.....#...#.#...#.....#...#.#...#.#.....#.#
-#.#######.#.#.#.###.#.#.###.#.#.#.#.#.###.#####.#.#.#.#.###.###.###.#.###.#.#.#.#.#######.###.#.#####.#.#.#.#.###.###.#.#.#.#.#.#.#.#######.#
-#...#...#.#...#.#...#.#...#.#.#.#...#.#.......#...#...#...#...#.#.....#...#.#...#.......#...#...#.....#...#.#.....#...#...#...#.#.........#.#
-###.#.###.#.#####.###.###.#.###.#.#####.###.#.#####.###.#.###.#.###.###.###.#####.#########.#.#.###.#.###.#.#####.#.###.#######.###########.#
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diff --git a/2024/go/day17/day17.go b/2024/go/day17/day17.go
deleted file mode 100644
index 312b2d7..0000000
--- a/2024/go/day17/day17.go
+++ /dev/null
@@ -1,91 +0,0 @@
-package day17
-
-import (
-	"encoding/json"
-	"fmt"
-	"regexp"
-	"strings"
-	"golang.org/x/exp/slices"
-
-
-	"adventofcode2024/utils"
-
-)
-
-type Opcode int
-
-const (
-	adv     Opcode = 0
-	bxl		Opcode = 1
-	bst   	Opcode = 2
-	jnx     Opcode = 3
-	bxc     Opcode = 4
-	out	 	Opcode = 5
-	bdv 	Opcode = 6
-	cdv 	Opcode = 7
-
-)
-
-func Part1(input string) string {	
-	m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
-	a := utils.MustAtoi(m[0])
-	b := utils.MustAtoi(m[1])
-	c := utils.MustAtoi(m[2])
-
-	var pgm []int
-	json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
-
-	fmt.Printf("%d %d %d %v\n", a, b, c, pgm)
-	out := fmt.Sprint(run(a, b, c, pgm))
-	out = fmt.Sprint(strings.Trim(strings.ReplaceAll(out, " ", ","), "[]"))
-	return out
-}
-
-func Part2(input string) int {
-	m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
-	b := utils.MustAtoi(m[1])
-	c := utils.MustAtoi(m[2])
-
-	var pgm []int
-	json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
-
-	fmt.Printf("%d %d %v\n", b, c, pgm)
-
-	a := 0
-	for n := len(pgm) - 1; n >= 0; n-- {
-		a <<= 3
-		for !slices.Equal(run(a, b, c, pgm), pgm[n:]) {
-			a++
-		}
-	}
-	return a
-}
-
-func run(a, b, c int, pgm []int) (output []int) {
-	for ip := 0; ip < len(pgm); ip += 2 {
-		operand := pgm[ip+1]
-		combo := []int{0, 1, 2, 3, a, b, c}[operand]
-
-		switch pgm[ip] {
-		case int(adv):
-			a >>= combo
-		case int(bxl):
-			b ^= operand
-		case int(bst):
-			b = combo % 8
-		case int(jnx):
-			if a != 0 {
-				ip = operand - 2
-			}
-		case int(bxc):
-			b ^= c
-		case int(out):
-			output = append(output, combo%8)
-		case int(bdv):
-			b = a >> combo
-		case int(cdv):
-			c = a >> combo
-		}
-	}
-	return output
-}
\ No newline at end of file
diff --git a/2024/go/day17/day17_test.go b/2024/go/day17/day17_test.go
deleted file mode 100644
index ba2ffcc..0000000
--- a/2024/go/day17/day17_test.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package day17
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`Register A: 729
-Register B: 0
-Register C: 0
-
-Program: 0,1,5,4,3,0`)
-	require.Equal(t, "4,6,3,5,6,3,5,2,1,0", r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`Register A: 2024
-Register B: 0
-Register C: 0
-
-Program: 0,3,5,4,3,0`)
-	require.Equal(t, 117440, r)
-}
diff --git a/2024/go/day17/input.txt b/2024/go/day17/input.txt
deleted file mode 100644
index 9d9d9cd..0000000
--- a/2024/go/day17/input.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-Register A: 61156655
-Register B: 0
-Register C: 0
-
-Program: 2,4,1,5,7,5,4,3,1,6,0,3,5,5,3,0
diff --git a/2024/go/day18/day18.go b/2024/go/day18/day18.go
deleted file mode 100644
index 9faee97..0000000
--- a/2024/go/day18/day18.go
+++ /dev/null
@@ -1,126 +0,0 @@
-package day18
-
-import (
-	"adventofcode2024/utils"
-	"adventofcode2024/utils/dijkstra"
-	"adventofcode2024/utils/grid2d"
-	"fmt"
-	"strings"
-)
-
-type (
-	Vec  struct{ x, y int }
-	Dir  struct{ x, y int }
-	Cell rune
-	Move struct {
-		p Vec
-		d Dir
-	}
-	Maze struct {
-		height, width int
-		start         Vec
-		end           Vec
-		grid          *grid2d.Grid[Cell]
-	}
-)
-
-const (
-	WALL     Cell = '#'
-	CORRIDOR Cell = '.'
-	START    Cell = 'S'
-	END      Cell = 'E'
-	PATH     Cell = '*'
-)
-
-var (
-	NORTH      = Dir{0, -1}
-	EAST       = Dir{1, 0}
-	SOUTH      = Dir{0, 1}
-	WEST       = Dir{-1, 0}
-	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
-)
-
-func Part1(input string) int {
-	maze := Maze{}.Parse(input, 1024)
-	fmt.Println(maze)
-	data := inputGraph(*maze)
-	graph := dijkstra.CreateGraph(data)
-	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
-	for _, p := range path {
-		maze.grid.Set(p.X, p.Y, PATH)
-	}
-	fmt.Println(maze)
-	return dist
-}
-func Part2(input string) int {
-	maze := Maze{}.Parse(input, 2877)
-	fmt.Println(maze)
-	data := inputGraph(*maze)
-	graph := dijkstra.CreateGraph(data)
-	_, count := dijkstra.GetShortestPath(data.From, data.To, graph)
-	return count
-}
-
-func inputGraph(maze Maze) dijkstra.InputGraph {
-	data := dijkstra.InputGraph{}
-	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y}
-	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y}
-	for y := 0; y < maze.height; y++ {
-		for x := 0; x < maze.width; x++ {
-			if maze.grid.Get(x, y) == WALL {
-				continue
-			}
-			for _, dir := range DIRECTIONS {
-				nx, ny := x+dir.x, y+dir.y
-				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
-					continue
-				}
-				if maze.grid.Get(nx, ny) == WALL {
-					continue
-				}
-				data.Graph = append(data.Graph, dijkstra.InputData{
-					Source:      dijkstra.Point{X: x, Y: y},
-					Destination: dijkstra.Point{X: nx, Y: ny},
-					Weight:      1,
-				})
-			}
-		}
-	}
-
-	return data
-}
-
-func (m Maze) Parse(input string, bytes int) *Maze {
-	m.grid = grid2d.NewGrid(71, 71, CORRIDOR)
-	for _, line := range strings.Split(input, "\n") {
-		if bytes == 0 {
-			break
-		}
-		in := strings.Split(line, ",")
-		x := utils.MustAtoi(in[0])
-		y := utils.MustAtoi(in[1])
-		m.grid.Set(x, y, WALL)
-		bytes--
-	}
-	m.start = Vec{0, 0}
-	m.end = Vec{70, 70}
-	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
-	return &m
-}
-
-func (m *Maze) String() string {
-	s := ""
-	for y := 0; y < m.height; y++ {
-		for x := 0; x < m.width; x++ {
-			if y == m.start.y && x == m.start.x {
-				s += string(START)
-			} else if y == m.end.y && x == m.end.x {
-				s += string(END)
-			} else {
-				s += string(m.grid.Get(x, y))
-			}
-		}
-		s += "\n"
-	}
-	return s
-}
diff --git a/2024/go/day18/day18_test.go b/2024/go/day18/day18_test.go
deleted file mode 100644
index aec55d5..0000000
--- a/2024/go/day18/day18_test.go
+++ /dev/null
@@ -1,6915 +0,0 @@
-package day18
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`2,5
-20,1
-63,59
-21,29
-37,59
-33,63
-14,33
-70,15
-21,34
-62,5
-45,54
-45,60
-48,53
-33,58
-23,35
-22,3
-33,0
-63,62
-44,67
-52,55
-5,19
-42,55
-45,0
-57,3
-15,45
-41,62
-1,39
-63,19
-39,59
-39,3
-48,7
-61,65
-31,1
-54,51
-11,14
-53,62
-67,68
-65,16
-17,45
-21,24
-55,3
-30,15
-4,39
-69,19
-69,57
-41,57
-43,24
-19,11
-18,27
-3,48
-8,13
-41,66
-67,67
-61,62
-5,37
-18,19
-29,64
-13,14
-42,57
-33,67
-0,19
-67,53
-47,59
-19,3
-51,54
-53,69
-42,5
-7,26
-59,65
-50,69
-3,27
-26,9
-43,3
-17,7
-15,11
-12,31
-43,5
-50,65
-9,5
-29,3
-21,6
-65,15
-43,57
-15,37
-50,53
-67,51
-29,1
-47,7
-55,54
-52,51
-47,54
-17,26
-12,43
-65,51
-1,27
-15,22
-63,15
-7,37
-69,49
-57,59
-7,36
-60,7
-66,7
-18,35
-13,36
-21,19
-15,3
-46,9
-30,3
-53,7
-8,7
-66,3
-49,69
-35,65
-48,5
-33,6
-1,31
-26,5
-44,59
-68,13
-45,67
-9,16
-51,55
-57,5
-2,33
-57,64
-31,2
-1,19
-5,12
-19,37
-40,67
-10,19
-21,12
-3,31
-51,1
-4,29
-52,65
-47,5
-17,19
-70,47
-11,19
-57,10
-54,55
-39,53
-61,56
-49,55
-28,37
-21,30
-9,45
-43,69
-57,19
-29,10
-60,63
-19,32
-66,5
-53,45
-53,49
-47,57
-26,1
-17,34
-65,7
-7,28
-41,63
-6,1
-69,69
-0,13
-5,28
-10,1
-38,67
-37,13
-3,7
-39,12
-2,15
-54,65
-35,53
-63,20
-13,30
-52,47
-13,3
-69,55
-55,61
-37,4
-7,35
-57,4
-35,69
-5,3
-63,64
-40,69
-59,5
-32,61
-66,61
-43,64
-40,1
-49,3
-68,65
-3,38
-21,4
-49,56
-18,29
-23,12
-7,11
-16,29
-8,11
-10,25
-39,67
-59,60
-3,19
-26,31
-7,9
-51,58
-49,67
-53,65
-65,59
-67,9
-43,58
-55,51
-69,7
-6,39
-49,59
-10,37
-4,43
-54,5
-3,28
-69,16
-67,7
-4,37
-37,1
-27,2
-62,59
-45,70
-25,35
-65,53
-31,7
-53,59
-1,10
-67,10
-65,67
-30,67
-17,1
-67,59
-31,61
-59,59
-65,69
-51,59
-61,66
-13,15
-29,65
-27,1
-65,65
-68,53
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-0,17
-22,12
-52,0
-20,44
-34,8
-32,29
-65,30
-56,3
-26,52
-4,47
-22,1
-13,38
-62,65
-0,31
-44,42
-42,15
-42,10
-24,38
-10,62
-26,64
-48,64
-48,21
-43,56
-8,46
-4,7
-9,0
-30,14
-56,61
-68,34
-56,55
-13,40
-50,62
-8,2
-50,39
-18,68
-0,37
-4,5
-47,36
-14,24
-44,58
-56,25
-24,62
-6,13
-11,2
-20,5
-18,11
-51,16
-56,6
-53,70
-32,0
-34,51
-37,56
-18,41
-42,70
-24,20
-22,44
-28,46
-20,38
-36,34
-10,56
-43,44
-0,60
-1,70
-37,0
-58,12
-68,17
-66,14
-70,40
-61,58
-53,40
-60,19
-14,4
-3,20
-6,38
-53,18
-24,8
-14,43
-42,43
-50,4
-57,30
-7,50
-37,40
-64,65
-36,47
-66,34
-16,27
-70,34
-20,14
-60,27
-32,31
-66,48
-43,28
-64,28
-67,54
-13,70
-50,38
-42,58
-52,26
-24,29
-20,48
-17,30
-66,67
-68,64
-68,9
-14,68
-70,24
-38,5
-60,47
-11,60
-67,12
-0,43
-1,12
-56,16
-38,22
-24,68
-51,8
-38,63
-60,22
-36,54
-38,61
-66,45
-46,27
-48,8
-6,0
-27,30
-8,40
-32,60
-5,62
-62,67
-64,32
-52,37
-60,5
-70,64
-10,18
-63,52
-18,20
-34,39
-1,62
-51,34
-40,49
-28,38
-51,62
-8,54
-45,58
-5,10
-12,15
-68,8
-26,22
-35,34
-58,32
-32,34
-10,10
-6,7
-38,42
-62,57
-52,6
-40,22
-62,70
-58,6
-50,48
-41,46
-52,18
-60,2
-25,70
-5,0
-50,6
-39,2
-2,4
-62,45
-48,23
-57,34
-55,66
-18,14
-9,52
-24,22
-54,60
-49,52
-12,54
-54,14
-63,44
-56,64
-4,0
-20,50
-18,64
-1,18
-14,41
-16,35
-29,2
-66,52
-12,50
-42,68
-34,24
-56,57
-66,32
-57,60
-28,8
-22,66
-32,32
-52,58
-50,42
-4,36
-16,32
-65,58
-56,20
-42,0
-17,4
-34,68
-49,36
-32,58
-68,50
-19,16
-6,70
-40,38
-60,37
-50,49
-34,40
-51,70
-1,38
-13,32
-53,66
-6,32
-65,32
-32,22
-14,55
-38,30
-44,26
-66,8
-50,30
-48,31
-5,36
-52,19
-29,30
-24,50
-55,36
-46,69
-64,18
-44,0
-27,10
-68,32
-60,13
-12,17
-10,34
-18,18
-70,52
-10,8
-12,38
-16,70
-8,9
-58,65
-64,21
-70,4
-5,48
-22,49
-36,2
-18,30
-41,6
-10,44
-48,48
-60,14
-23,42
-46,36
-18,56
-40,18
-36,40
-24,59
-64,64
-40,11
-59,50
-14,57
-25,46
-65,0
-32,16
-24,4
-40,34
-50,36
-38,50
-20,30
-66,38
-14,40
-70,62
-6,58
-12,28
-62,60
-68,28
-36,29
-58,37
-45,68
-22,22
-40,65
-49,64
-24,65
-40,8
-0,12
-40,64
-70,66
-23,62
-66,49
-28,32
-47,44
-10,12
-29,8
-26,18
-28,16
-49,50
-7,6
-30,54
-52,10
-32,10
-1,0
-40,28
-7,52
-18,54
-5,42
-58,10
-54,40
-41,4
-10,22
-24,56
-44,36
-39,14
-12,2
-65,48
-20,16
-10,4
-56,66
-40,68
-16,19
-45,42
-20,43
-50,18
-40,15
-0,6
-18,62
-14,2
-51,44
-35,48
-54,68
-7,4
-30,25
-27,36
-48,9
-42,46
-57,54
-68,55
-34,59
-58,16
-70,65
-70,14
-24,12
-46,12
-30,39
-55,2
-38,8
-62,22
-3,70
-60,40
-7,44
-9,44
-16,58
-64,2
-22,46
-40,45
-23,0
-62,30
-46,18
-23,6
-27,48
-31,66
-66,30
-52,9
-29,20
-36,21
-69,10
-24,41
-8,38
-44,34
-37,66
-68,4
-34,28
-21,44
-28,70
-42,30
-35,42
-46,16
-6,8
-36,48
-8,61
-14,26
-62,0
-28,45
-46,7
-7,68
-32,40
-61,24
-32,1
-40,12
-58,2
-62,58
-0,2
-42,60
-13,68
-48,59
-6,18
-36,28
-61,0
-63,28
-58,8
-44,33
-59,6
-64,6
-12,62
-30,32
-39,56
-70,32
-67,44
-56,11
-38,6
-2,36
-60,50
-55,26
-58,66
-55,8
-48,17
-56,2
-64,0
-60,41
-64,24
-42,52
-30,13
-16,20
-30,44
-1,26
-47,34
-24,54
-56,8
-16,0
-2,32
-62,38
-70,56
-18,50
-9,28
-63,38
-30,18
-10,70
-44,25
-57,40
-28,26
-54,0
-36,12
-32,24
-44,62
-52,23
-19,54
-45,30
-51,68
-8,8
-48,62
-40,60
-48,6
-48,69
-22,36
-61,10
-62,28
-51,66
-14,18
-53,56
-29,52
-63,4
-46,50
-26,69
-52,56
-21,54`)
-	require.Equal(t, 304, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`2,5
-20,1
-63,59
-21,29
-37,59
-33,63
-14,33
-70,15
-21,34
-62,5
-45,54
-45,60
-48,53
-33,58
-23,35
-22,3
-33,0
-63,62
-44,67
-52,55
-5,19
-42,55
-45,0
-57,3
-15,45
-41,62
-1,39
-63,19
-39,59
-39,3
-48,7
-61,65
-31,1
-54,51
-11,14
-53,62
-67,68
-65,16
-17,45
-21,24
-55,3
-30,15
-4,39
-69,19
-69,57
-41,57
-43,24
-19,11
-18,27
-3,48
-8,13
-41,66
-67,67
-61,62
-5,37
-18,19
-29,64
-13,14
-42,57
-33,67
-0,19
-67,53
-47,59
-19,3
-51,54
-53,69
-42,5
-7,26
-59,65
-50,69
-3,27
-26,9
-43,3
-17,7
-15,11
-12,31
-43,5
-50,65
-9,5
-29,3
-21,6
-65,15
-43,57
-15,37
-50,53
-67,51
-29,1
-47,7
-55,54
-52,51
-47,54
-17,26
-12,43
-65,51
-1,27
-15,22
-63,15
-7,37
-69,49
-57,59
-7,36
-60,7
-66,7
-18,35
-13,36
-21,19
-15,3
-46,9
-30,3
-53,7
-8,7
-66,3
-49,69
-35,65
-48,5
-33,6
-1,31
-26,5
-44,59
-68,13
-45,67
-9,16
-51,55
-57,5
-2,33
-57,64
-31,2
-1,19
-5,12
-19,37
-40,67
-10,19
-21,12
-3,31
-51,1
-4,29
-52,65
-47,5
-17,19
-70,47
-11,19
-57,10
-54,55
-39,53
-61,56
-49,55
-28,37
-21,30
-9,45
-43,69
-57,19
-29,10
-60,63
-19,32
-66,5
-53,45
-53,49
-47,57
-26,1
-17,34
-65,7
-7,28
-41,63
-6,1
-69,69
-0,13
-5,28
-10,1
-38,67
-37,13
-3,7
-39,12
-2,15
-54,65
-35,53
-63,20
-13,30
-52,47
-13,3
-69,55
-55,61
-37,4
-7,35
-57,4
-35,69
-5,3
-63,64
-40,69
-59,5
-32,61
-66,61
-43,64
-40,1
-49,3
-68,65
-3,38
-21,4
-49,56
-18,29
-23,12
-7,11
-16,29
-8,11
-10,25
-39,67
-59,60
-3,19
-26,31
-7,9
-51,58
-49,67
-53,65
-65,59
-67,9
-43,58
-55,51
-69,7
-6,39
-49,59
-10,37
-4,43
-54,5
-3,28
-69,16
-67,7
-4,37
-37,1
-27,2
-62,59
-45,70
-25,35
-65,53
-31,7
-53,59
-1,10
-67,10
-65,67
-30,67
-17,1
-67,59
-31,61
-59,59
-65,69
-51,59
-61,66
-13,15
-29,65
-27,1
-65,65
-68,53
-53,11
-5,17
-20,35
-43,68
-3,30
-59,7
-3,39
-45,63
-7,31
-3,13
-51,5
-23,39
-20,3
-67,0
-37,3
-46,61
-65,70
-15,1
-17,11
-66,63
-32,23
-51,0
-3,1
-17,3
-13,6
-59,3
-19,31
-1,24
-41,3
-4,49
-40,57
-63,6
-16,17
-22,25
-39,60
-11,34
-56,7
-38,57
-55,53
-35,66
-1,11
-64,19
-50,3
-9,38
-19,8
-64,61
-3,17
-8,33
-13,1
-5,9
-50,7
-1,34
-41,65
-48,57
-14,13
-17,31
-56,1
-6,15
-24,25
-23,2
-69,13
-45,52
-15,23
-15,27
-27,28
-60,3
-31,30
-19,35
-42,53
-19,27
-61,1
-65,50
-53,2
-52,61
-15,20
-42,7
-67,20
-11,23
-29,54
-6,17
-41,53
-47,63
-68,51
-21,21
-19,6
-53,61
-23,29
-53,9
-19,29
-21,10
-2,41
-10,3
-49,9
-42,59
-12,1
-45,7
-19,28
-3,35
-69,6
-43,4
-17,21
-47,3
-52,7
-65,22
-45,62
-16,5
-51,3
-48,11
-7,33
-40,3
-26,35
-37,63
-49,68
-11,26
-54,67
-64,23
-21,17
-5,49
-63,65
-23,13
-58,1
-61,54
-69,56
-47,60
-11,7
-9,35
-57,58
-45,66
-1,23
-7,21
-17,12
-11,17
-34,3
-25,25
-22,35
-57,65
-17,17
-1,5
-12,33
-36,63
-19,15
-7,38
-53,55
-21,25
-42,1
-17,23
-35,67
-33,3
-56,63
-56,59
-3,2
-42,67
-65,56
-45,5
-5,33
-21,22
-9,42
-3,14
-21,14
-59,53
-64,53
-33,25
-11,35
-9,1
-63,16
-47,49
-53,60
-47,55
-39,1
-63,60
-35,63
-9,31
-55,68
-57,57
-68,15
-11,39
-62,69
-41,45
-55,57
-5,13
-9,14
-1,32
-17,5
-19,19
-19,30
-1,29
-55,56
-6,35
-21,8
-13,0
-4,25
-16,33
-69,9
-53,67
-67,17
-52,67
-41,59
-24,1
-51,7
-54,7
-3,22
-7,13
-41,61
-45,3
-21,33
-37,53
-11,13
-45,8
-48,1
-43,13
-17,46
-1,33
-41,69
-22,19
-19,38
-19,12
-45,57
-53,6
-15,36
-35,68
-9,21
-43,65
-5,41
-7,7
-68,61
-60,1
-7,23
-21,28
-23,34
-63,69
-7,40
-51,64
-66,51
-43,61
-49,63
-69,11
-50,51
-53,13
-17,24
-47,65
-32,67
-4,15
-38,1
-58,63
-23,21
-61,59
-15,21
-11,27
-33,65
-2,1
-20,25
-11,3
-55,67
-5,31
-43,53
-63,66
-3,29
-65,55
-36,69
-64,1
-3,23
-11,6
-52,57
-61,4
-63,17
-61,69
-3,33
-65,4
-21,16
-27,11
-1,3
-5,39
-69,54
-63,47
-1,36
-27,27
-33,61
-25,37
-61,14
-15,26
-55,1
-7,17
-29,11
-11,12
-2,19
-66,55
-45,59
-29,29
-26,39
-8,17
-45,65
-11,37
-2,39
-0,29
-5,27
-16,31
-67,65
-68,63
-26,25
-9,30
-3,36
-48,65
-59,51
-63,1
-7,41
-23,28
-1,15
-18,1
-4,41
-43,63
-21,27
-67,22
-52,69
-7,18
-68,49
-3,12
-18,17
-9,41
-19,13
-1,17
-3,26
-59,61
-57,66
-53,63
-39,69
-3,3
-67,69
-50,57
-9,19
-1,13
-55,58
-49,6
-7,3
-47,1
-12,37
-59,63
-61,67
-8,45
-41,1
-8,1
-39,63
-8,27
-15,19
-1,25
-61,57
-47,66
-46,5
-0,39
-4,3
-67,8
-9,43
-64,67
-49,47
-63,14
-51,57
-0,47
-8,3
-21,15
-63,57
-46,3
-5,21
-15,31
-57,12
-13,18
-21,23
-67,15
-21,7
-23,14
-67,55
-63,63
-21,13
-67,58
-51,49
-25,26
-2,31
-56,51
-32,69
-55,7
-31,62
-65,57
-55,65
-5,24
-7,20
-11,15
-19,14
-65,21
-5,1
-67,5
-67,63
-67,49
-68,57
-19,21
-37,65
-11,1
-47,61
-33,7
-28,3
-12,21
-47,68
-41,70
-65,1
-69,23
-5,25
-47,11
-49,61
-1,35
-59,57
-1,37
-33,1
-53,57
-59,1
-49,65
-27,15
-60,11
-61,63
-5,34
-69,15
-9,20
-66,65
-49,62
-35,3
-55,5
-4,19
-21,20
-47,67
-59,68
-24,27
-41,5
-67,3
-21,3
-47,9
-65,17
-9,47
-23,3
-41,67
-65,63
-15,29
-55,49
-3,6
-69,17
-22,17
-48,51
-33,64
-51,65
-9,27
-58,55
-25,21
-69,24
-9,22
-64,63
-19,1
-9,36
-17,27
-54,49
-38,69
-8,5
-46,67
-60,57
-68,11
-0,7
-19,17
-39,65
-27,3
-9,40
-64,57
-17,25
-3,25
-19,9
-47,8
-58,61
-23,22
-21,11
-41,7
-18,9
-11,45
-51,67
-52,3
-8,43
-9,25
-69,8
-67,11
-2,27
-63,51
-65,61
-53,5
-7,19
-18,3
-67,18
-45,9
-55,63
-15,15
-47,64
-54,3
-13,31
-19,5
-41,64
-15,16
-37,67
-53,52
-12,9
-15,4
-25,34
-43,59
-2,17
-23,33
-57,8
-16,15
-57,67
-29,0
-66,69
-19,7
-42,61
-66,15
-67,61
-51,63
-36,7
-1,16
-2,23
-66,59
-67,2
-61,64
-56,65
-56,5
-15,2
-19,33
-15,28
-49,53
-5,35
-12,3
-65,18
-69,53
-11,33
-37,2
-47,69
-57,69
-11,5
-34,7
-3,45
-63,5
-15,33
-35,1
-17,20
-23,11
-6,31
-17,35
-50,61
-51,4
-64,3
-62,55
-3,9
-49,60
-13,35
-68,69
-21,37
-44,63
-2,9
-15,7
-49,5
-67,13
-9,39
-9,33
-9,24
-2,11
-5,23
-46,55
-17,22
-9,23
-48,3
-45,13
-47,58
-60,59
-5,18
-14,3
-24,11
-56,69
-43,55
-57,63
-55,10
-17,33
-53,47
-36,3
-13,16
-5,32
-64,7
-32,3
-51,51
-10,17
-13,37
-40,59
-11,31
-13,19
-19,10
-49,1
-34,1
-10,27
-42,9
-61,2
-58,57
-13,33
-25,3
-43,2
-23,31
-24,37
-59,66
-12,29
-7,10
-31,65
-19,23
-39,64
-22,39
-18,5
-55,62
-23,18
-39,62
-53,50
-21,31
-40,55
-58,5
-23,40
-67,66
-69,59
-23,25
-39,61
-1,7
-21,1
-21,5
-57,61
-51,53
-53,51
-5,29
-69,47
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-0,6
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-7,4
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-8,38
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-0,2
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-64,6
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-38,6
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-2,32
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-9,28
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-8,8
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-62,28
-51,66
-14,18
-53,56
-29,52
-63,4
-46,50
-26,69
-52,56
-21,54`)
-	require.Equal(t, 0, r)
-}
diff --git a/2024/go/day18/input.txt b/2024/go/day18/input.txt
deleted file mode 100644
index 3b8f63e..0000000
--- a/2024/go/day18/input.txt
+++ /dev/null
@@ -1,3450 +0,0 @@
-2,5
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-26,69
-52,56
-21,54
\ No newline at end of file
diff --git a/2024/go/day19/day19.go b/2024/go/day19/day19.go
deleted file mode 100644
index e4e19bd..0000000
--- a/2024/go/day19/day19.go
+++ /dev/null
@@ -1,87 +0,0 @@
-package day19
-
-import (
-	"sort"
-	"strings"
-)
-
-func Part1(input string) int {
-	in := strings.Split(input, "\n\n")
-	towels := strings.Split(in[0], ", ")
-	patterns := strings.Split(in[1], "\n")
-	//	fmt.Println(towels, patterns)
-	count := 0
-	not_possibles := make(map[string]bool)
-	for _, pattern := range patterns {
-		if isPossible(towels, pattern, not_possibles) {
-			//			fmt.Println(count, pattern)
-			count++
-		}
-	}
-	return count
-}
-
-func Part2(input string) int {
-	in := strings.Split(input, "\n\n")
-	towels := strings.Split(in[0], ", ")
-	sort.Strings(towels)
-	patterns := strings.Split(in[1], "\n")
-	//	fmt.Println(towels, patterns)
-	count := 0
-	memo := make(map[string]int)
-	for _, pattern := range patterns {
-		count += countPossible(sortStringsByPrefix(towels), pattern, memo)
-	}
-	return count
-}
-
-func isPossible(towels []string, pattern string, not_possibles map[string]bool) bool {
-	if pattern == "" {
-		return true
-	}
-	if not_possibles[pattern] {
-		return false
-	}
-	for _, towel := range towels {
-		if strings.HasPrefix(pattern, towel) {
-			if isPossible(towels, pattern[len(towel):], not_possibles) {
-				return true
-			}
-		}
-	}
-	not_possibles[pattern] = true
-	return false
-}
-
-func countPossible(towels map[byte][]string, pattern string, memo map[string]int) int {
-	if pattern == "" {
-		return 1
-	}
-
-	//If memo has key
-	if val, ok := memo[pattern]; ok {
-		return val
-	}
-
-	count := 0
-	for _, towel := range towels[pattern[0]] {
-		if strings.HasPrefix(pattern, towel) {
-			count += countPossible(towels, pattern[len(towel):], memo)
-		}
-	}
-
-	memo[pattern] = count
-
-	return count
-}
-
-func sortStringsByPrefix(slice []string) map[byte][]string {
-	result := make(map[byte][]string)
-	for _, str := range slice {
-			result[str[0]] = append(result[str[0]], str)
-		}
-	for _, t := range result {
-		sort.Strings(t)
-	}
-	return result
-}
diff --git a/2024/go/day19/day19_test.go b/2024/go/day19/day19_test.go
deleted file mode 100644
index fa99ba2..0000000
--- a/2024/go/day19/day19_test.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package day19
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestPart1(t *testing.T) {
-	r := Part1(`r, wr, b, g, bwu, rb, gb, br
-
-brwrr
-bggr
-gbbr
-rrbgbr
-ubwu
-bwurrg
-brgr
-bbrgwb`)
-	require.Equal(t, 6, r)
-}
-
-func TestPart2(t *testing.T) {
-	r := Part2(`r, wr, b, g, bwu, rb, gb, br
-
-brwrr
-bggr
-gbbr
-rrbgbr
-ubwu
-bwurrg
-brgr
-bbrgwb`)
-	require.Equal(t, 16, r)
-}
-
-func TestPart2Long(t *testing.T) {
-	r := Part2(`rrgwru, gwubwg, wgbbw, bwb, ugrgw, uwgguuw, wuggb, bgwb, ubrr, grruuub, rwbwgbub, wwwggg, uuw, gubuu, urwb, bubg, bubb, rruruuu, ubgr, uw, urugg, wubuu, brwb, buw, bgug, wgbwwrb, rwrgrr, gwgr, rrwrg, wwbwgbw, gguu, rgg, bwg, ruurrwg, wbu, ggg, wrw, brbw, wbb, rrbgg, gbb, gwwrubwu, rwgu, grgwwu, wguu, rwg, wbwug, rbur, gwg, wbrugu, wbwwgu, wbbuw, rwrg, rgru, rgb, bwwrg, bwur, rrubwu, gwb, ugwur, wbguwb, rbu, ubrwgw, ruwbr, wbbu, rrbwbg, rgub, rwgb, urwg, bbw, bugg, rugwg, rwbrwww, wuru, guu, brwbg, ug, ruuwruw, bguww, wwrgrurg, rrbgr, uubwurb, brrrwgg, bur, urg, rbg, wruw, gr, ugb, wwrbgrg, wbuuw, bbugu, uug, rrbb, rrbw, bgr, wwwru, rgu, urr, rg, wbgbru, brrgu, gubu, rurgr, wwbrgg, ruurwgwg, rbb, rbrugwb, gwwrbg, bwuuwrg, wu, b, bgwrb, uwggr, rgbb, rww, wgwb, gwgwr, uwbb, uww, gu, ubwuu, wbwwwug, rurwru, rr, rrg, uggr, bgwu, wbgbu, urggw, br, gubgugr, wgrb, bbgrrbu, brbg, wrg, bgrb, rwbwwur, uwr, bubu, grwb, ubb, wr, bbbgwr, bug, uwgwuwu, grb, bgw, uuu, ugr, wgbbgu, gbg, bgwub, urbgrw, rbruwg, gb, bbwgwur, uwbgwrr, ggrb, wbrrwrbu, gbbugrb, ub, rwb, gwr, ruwu, gurgu, rru, uuwwgwuw, bw, ruwbbb, rbgrgu, wuwu, grrugr, wgr, rbbr, rugr, rrrrbww, bwrr, wrbbr, uuwgr, gug, wwb, rgur, brbrr, gguw, grwubrg, rrrr, uwb, wuwwrrwg, gwbggr, rwrub, wuur, gub, rbgb, urrbubrr, uwubu, brbb, bwbr, bww, ruuubwu, ugbbbr, bub, rrug, wub, gruu, uu, bbu, gbbr, urrg, buwu, grw, grbbbu, bgb, ugubg, uwww, urw, wwubruww, buurb, www, bguurr, wwgu, wgb, ruwub, wggggbg, urrb, gbwuw, ubrrg, wrr, gbubgg, gw, wuw, wuug, wwrb, wgg, rgugrru, rgwrbr, guurrg, bgu, rurgb, gwggb, bwgbbw, ggwb, ubwgw, bbg, rbr, wgru, urwr, brr, rgbr, rgr, wwg, guwuru, uuggg, rrw, buu, urb, guwg, ugwwbuwb, rubb, brbuww, rwugru, ubu, wwub, bgwgb, wrug, rug, w, brgg, wwugwruw, ggrwb, bbwuwuu, uub, rrr, ggbrr, wbur, wurbru, wgu, brb, urbbb, gburbww, wbrgruru, rbugr, gubw, wgwgg, rwr, ugw, gggg, gwrwrg, rrub, gbwgg, grg, uwuur, gbwbbb, guw, gbwbb, uwu, ruw, bwr, rwgub, rbw, ggbwr, u, gwu, rrurrb, gwgg, uugwrbr, brw, ugburg, rwu, wwu, wbr, ruwgr, gbwbur, rwgr, rwbww, rbgr, rgbub, rbbuw, ruu, bwgw, bbwg, ubr, gurr, wwr, wwwguu, gbw, ggw, gru, wug, rubwrbrr, wbrrrr, uru, wbgw, wgur, uurgg, bbb, rbwgwbur, wwbwur, bbgubw, gww, brg, ugu, rgrgw, wwrrgugu, rrrwuww, uwwrb, wrb, rrgg, wubgrrb, bwwgrbww, gbr, gwrwu, brgwwbu, urrwub, rbru, bwrgrr, brwuwrb, guuur, wb, bbrb, brww, wuwrww, bu, rgw, rwbwug, bbug, urrgr, bg, bgg, wbgwbgru, wbrru, uwbbr, wbg, gwwur, gur, ubwb, gubbb, bb, wrugr, grur, rb, uwubrg, bwgrw, gbug, g, wuwubgw, ubw, urgu, rrrg, uwg, bbww, uwgrug, ww, ggu, gwbuwu, rgggwgr, wugw, gbrrg, ugg, bwu, ubuur, uurrw, uwwug, bgww, ubg, rw, gwgbwrg, wuu, rbgbg, buwbur, rub, ugbwwrgu, gbww, wbw, gurbwu, bruw, rggrbrgw, wguwu, ubwbwr, ru, uwur, ggb, uurwg, wguubgr, wru, rbrbr, rbwr, wwwrbb, urww, rur, bru, bbbwrw, uwrwrr, ruww, ububbgr, rrb, bggrwg, bbr, wrwrb, bwgwrbg, grbuwg, gg, ubuurwg, uur, guguwb, rugurgbw, bbuwbb
-
-wrbwgruugbbgwwurggwrgrrrurbgwbgggwbbgwgbrwggwur`)
-	require.Equal(t, 16, r)
-}
diff --git a/2024/go/day19/input.txt b/2024/go/day19/input.txt
deleted file mode 100644
index f06b5fa..0000000
--- a/2024/go/day19/input.txt
+++ /dev/null
@@ -1,402 +0,0 @@
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-bgwruugguuwuurbubgwgrgruwbuwwwwguwwwrbgrwrurwbggrguw
-wuwwwwuuburggurgwrgruuwggbguurwbggrwbuugrwbggurbgrgb
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-uguuguwubgrgbrbgbwgwuwwwubbwrgrbuguuugrwur
-rrwbrrrbuwwgwgrggwrwbrrubwrbrrbbwubrrwwur
-ubugrwwbbrgugburbgrrwwwuugbwrugbgurgrwrgubur
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-rrrwugwrrwwruwbggwrruuwgrbuwbbgbbggruwwbgruwggburwg
-brbwwggbgwwbgruwubbbbggwwubrgubbuwububuwurwbbwwbwu
-gbbggrbwwuuwuugrwuugwbrurrruububggwrwggrgurwwur
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-brbbwrruuubuwurrrwburbrbwgwurrbrgbrwrbgguruuwuuurbgbbg
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-wuurgwugrugguwwwbwwubwuubgwubuuubrwuuububrugwbgggrruggrrr
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-uguguwwwgugrgbrwgbubwwuurbgguwubrrugrruruwrgrwwubgwg
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-wrgwuwbwrbbrgrbwbrbuggbuwbrgurwggwbbgrwwuwbbgwrrrgrubbb
-bbubbrgwrgbbbrgguurggrurwuwubgwuwubburbgwrgw
-urggrwbgbggrwbwburbbubggbrgbgwbrururrgwgbbuwbu
-urggbbbrbubbwubbbbrbgubrwrrwbuwbbbbrguwrubbuwuwgg
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-ggubgbruuuwbgrubwbbubgruwwwuurbrwbgwrrwbrbrgu
-bwbbrgwgburwwbgrrwgbururwrwggguwgbwwbgwuuggwuggrbg
-ugwwgugbuwruuggugggwrbuguuugggwbrwrbubguuuubwbwgwg
-buugrgrruurbbrbgguubgbgbbuuuwuwgwbrrgwur
-gwbbguuwwbburguugubrwgwwwubbubrgwruurwwruruwu
-guuwbugrurwbbugrbrwuwbgwbrgruruwugwwbrrgrwgrwrugggbwwur
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-wugubugbbrrwwwrguburwrguwrugubwgugrbbguwrgwwwbgggubrrwgbgwur
-rwrbgwguwurbrrbbbrrwrugrbggggwruubwruwbgbwrrrwbg
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-gbbugurwwrbrbwbwwgbbrrruuwbubwwwgrbubuwgrw
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-ubwubwbgwrgwwuwbugbrwgbgrwgrwuwbrbububguguwrgwrwwwur
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-bwbwwbrwwwuwrrbugrgrrbwwgrugurwuubwbwgguwgbwwgwuwrbrb
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-wgggrgrurbbbrbuurubgububwuwrgbbuuugbwwwbgurbruwbugubr
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-wrubwggwbuwrbggwbuwggwbwgwrruguwrbubrggbrwur
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-urbgbwwrrwguurugruurbuwbruwrguuburguwwuuruwbggbwuwggb
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diff --git a/2024/go/go.mod b/2024/go/go.mod
index 14e4a5c..42db796 100644
--- a/2024/go/go.mod
+++ b/2024/go/go.mod
@@ -13,6 +13,6 @@ require github.com/spf13/pflag v1.0.5 // indirect
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/stretchr/testify v1.10.0 // indirect
+	github.com/stretchr/testify v1.10.0 // direct
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

From 6ab021face2f996e3a89828a56f5774dd7b63aab Mon Sep 17 00:00:00 2001
From: Alan R Evans <alan@kageds.com>
Date: Tue, 14 Jan 2025 12:14:43 +0000
Subject: [PATCH 11/11] move to alan branch

---
 2024/go/day20/day20.go      | 128 ++++++++++++++++++++++++++++++++
 2024/go/day20/day20_test.go |  31 ++++++++
 2024/go/day20/input.txt     | 141 ++++++++++++++++++++++++++++++++++++
 2024/go/main.go             |   2 +-
 4 files changed, 301 insertions(+), 1 deletion(-)
 create mode 100644 2024/go/day20/day20.go
 create mode 100644 2024/go/day20/day20_test.go
 create mode 100644 2024/go/day20/input.txt

diff --git a/2024/go/day20/day20.go b/2024/go/day20/day20.go
new file mode 100644
index 0000000..d3a2c94
--- /dev/null
+++ b/2024/go/day20/day20.go
@@ -0,0 +1,128 @@
+package day20
+
+import (
+	"adventofcode2024/utils/dijkstra"
+	"adventofcode2024/utils/grid2d"
+	"adventofcode2024/utils/inputs"
+	"fmt"
+)
+
+type (
+	Vec  struct{ x, y int }
+	Dir  struct{ x, y int }
+	Cell rune
+	Move struct {
+		p Vec
+		d Dir
+	}
+	Maze struct {
+		height, width int
+		start         Vec
+		end           Vec
+		grid          *grid2d.Grid[Cell]
+	}
+)
+
+const (
+	WALL     Cell = '#'
+	CORRIDOR Cell = '.'
+	START    Cell = 'S'
+	END      Cell = 'E'
+	PATH     Cell = '*'
+)
+
+var (
+	NORTH      = Dir{0, -1}
+	EAST       = Dir{1, 0}
+	SOUTH      = Dir{0, 1}
+	WEST       = Dir{-1, 0}
+	DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
+)
+
+func Part1(input string) int {
+	maze := Maze{}.Parse(input)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
+	for _, p := range path {
+		maze.grid.Set(p.X, p.Y, PATH)
+	}
+	fmt.Println(maze)
+	return dist
+}
+func Part2(input string) int {
+	maze := Maze{}.Parse(input)
+	fmt.Println(maze)
+	data := inputGraph(*maze)
+	graph := dijkstra.CreateGraph(data)
+	_, count := dijkstra.GetShortestPath(data.From, data.To, graph)
+	return count
+}
+
+func inputGraph(maze Maze) dijkstra.InputGraph {
+	data := dijkstra.InputGraph{}
+	data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y}
+	data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y}
+	for y := 0; y < maze.height; y++ {
+		for x := 0; x < maze.width; x++ {
+			if maze.grid.Get(x, y) == WALL {
+				continue
+			}
+			for _, dir := range DIRECTIONS {
+				nx, ny := x+dir.x, y+dir.y
+				if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
+					continue
+				}
+				if maze.grid.Get(nx, ny) == WALL {
+					continue
+				}
+				data.Graph = append(data.Graph, dijkstra.InputData{
+					Source:      dijkstra.Point{X: x, Y: y},
+					Destination: dijkstra.Point{X: nx, Y: ny},
+					Weight:      1,
+				})
+			}
+		}
+	}
+
+	return data
+}
+
+func (m Maze) Parse(input string) *Maze {
+	m.grid = inputs.ToGrid2D(input, "\n", "", '?', func(c string) Cell { return Cell(c[0]) })
+	m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			c := m.grid.Get(x, y)
+			switch c {
+			case WALL, CORRIDOR:
+				m.grid.Set(x, y, c)
+			case START:
+				m.grid.Set(x, y, CORRIDOR)
+				m.start = Vec{x, y}
+			case END:
+				m.grid.Set(x, y, CORRIDOR)
+				m.end = Vec{x, y}
+			}
+		}
+	}
+	return &m
+}
+
+func (m *Maze) String() string {
+	s := ""
+	for y := 0; y < m.height; y++ {
+		for x := 0; x < m.width; x++ {
+			if y == m.start.y && x == m.start.x {
+				s += string(START)
+			} else if y == m.end.y && x == m.end.x {
+				s += string(END)
+			} else {
+				s += string(m.grid.Get(x, y))
+			}
+		}
+		s += "\n"
+	}
+	return s
+}
diff --git a/2024/go/day20/day20_test.go b/2024/go/day20/day20_test.go
new file mode 100644
index 0000000..0174040
--- /dev/null
+++ b/2024/go/day20/day20_test.go
@@ -0,0 +1,31 @@
+package day20
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPart1(t *testing.T) {
+	r := Part1(`###############
+#...#...#.....#
+#.#.#.#.#.###.#
+#S#...#.#.#...#
+#######.#.#.###
+#######.#.#...#
+#######.#.###.#
+###..E#...#...#
+###.#######.###
+#...###...#...#
+#.#####.#.###.#
+#.#...#.#.#...#
+#.#.#.#.#.#.###
+#...#...#...###
+###############`)
+	require.Equal(t, 100, r)
+}
+
+func TestPart2(t *testing.T) {
+	r := Part2("")
+	require.Equal(t, 0, r)
+}
diff --git a/2024/go/day20/input.txt b/2024/go/day20/input.txt
new file mode 100644
index 0000000..488b75f
--- /dev/null
+++ b/2024/go/day20/input.txt
@@ -0,0 +1,141 @@
+#############################################################################################################################################
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+#...#...#...#...###...#####.....#...#.........#...###.....#.....#...#...###.......#####.......###...#...#...###...#...........#...#...#.....#
+#############################################################################################################################################
diff --git a/2024/go/main.go b/2024/go/main.go
index be5c3e7..d5d0946 100644
--- a/2024/go/main.go
+++ b/2024/go/main.go
@@ -99,7 +99,7 @@ func main() {
 
 // Reads day from os.Args.
 func day() int {
-	latest := 18
+	latest := 19
 	if len(os.Args) == 1 {
 		return latest
 	}