diff --git a/2021/input/2021/day10.txt b/2021/input/2021/day10.txt
new file mode 100644
index 0000000..d6e08f8
--- /dev/null
+++ b/2021/input/2021/day10.txt
@@ -0,0 +1,98 @@
+{<[[<<<[[{[[<<()()>>[([]<>){{}{}}]]]<(<{{}<>}{{}{}}><{<>[]}[{}{}]>)({(())}<[(){}][(){}]>)>}]<<<(<<{}
+{[({({([({(((<[]()>[()<>]){[<>[]](<>[])})<<<[]()}>(<()()>)>)}[{((<{}[]>{<>()}){[<>{}]<<><>>})(({[]()}<<>()>)<
+(((([{{{<{<[[<()<>><<>{}>]]{<(<>())>}>{<[([]<>)<{}{}>][[<><>][<>[]]]>[{(<>{})[<>()]}<<()[]>[[]<
+<<[<([[{{{[({<<>()>}<<<>[]>([]())>){{{{}[]}<(){}>)}]{{[(()())[(){}]]<<[]{}>({}[])>}({<<><>>}<([]<>){()[]}>)}
+<[(({[({<<[[[{<>{}}(<><>))<(<>[])[{}[]]>]<[([][])[(){}]]>]([<[()()](<>[])>]<(<{}()>[{}<>])({<>[
+(<[[{[[[(<((<<{}{}><[]<>>><[{}<>][<>[]]>)<(<{}<>><{}{}>)[{()[]}<<>()>]>)>[(<{({}{})}[{()[]}{[]<>}]>){<(([]
+(([[({{{(<([({[]{}}){{[][]]}])>)[<([[[{}]{(){}}][([]())]]([{[][]}{<>()}](({}()){<>{}})))[{({
+{(<<([([(<<[{((){})([]<>)}]<{{{}{}}{{}[]}}<{(){}}{()[]})>><([<[]{}>([]<>)](<()<>>)){<([]<>
+{[<<[<{{((({<[[]{}]{{}}>{<{}<>>[<>[]]}})<{[(<><>><{}<>>][{[]{}}]}[[[[][]]<<>{}>]{[[]()][[]<>]}]>)[(
+({<(<([{<{<[(((){}){(){}})]>}[{{{{()()}<[]()>}{{<>()}<{}{}>}}[[{{}{}}[<><>]]{({}[]>[[]{}]}]}({{{()()
+{[[{([{<<{<(<<{}()>[()]>)<{{()()}}[<[][]>(<>{})]>>{[<{<>()){()<>}>{{()()}[<>()]}][[[{}[]]]<{{}[]}<()(
+{{<<<<<[[([{<[{}[]]{()<>}>{<<>()>{{}<>}}}<<{{}()}{()()}>{[()<>]({}[])]>]{[(<{}{}>)<({}[])>]<{({}<>)}{({}())
+({(<<{[<<{<(<[<>()][[][]]><[{}<>]({}[])>)[[[<>[]][[]()]]<{[]{}}[{}{}]>]>{[(<[]()>{<>{}})][<{{}}<{
+(<<<[[({<[[(<<[]{}>>[(()<>)[<>{}]])<{(<>[])}(<<>()>[[]{}])>]<[({[]()}{{}{}})<{{}()}<{}<>>>]>][[({<<>()>{[]()}
+{{{[<[([<(<{[([][])[{}[]]]{[()()]{{}()}}}><[<([][])(<>())><{()[]}({}<>)>]<<<(){}><<><>>>((()()){
+[(((([{({<(<(<[]<>>{()[]})><{(<><>){{}[]}}{(()<>)([][])}>)>})}][({{[[{<(<><>){{}()}>((<>()){<>[]
+([{<{<({(<[(<({}<>)><{[]}[{}[]]>)(<[[][]]{[]{}}>{{[]}((){})})]{(((()){{}()})(([][])({}{})))[(<()[]><(
+[([{{<{(<[{{((()())<[]{}>){{{}<>}<<><>>}}[<([]())>[(()[])<{}{}>]]}{[({(){}}{(){}])<<[]()>{{}()}>
+(<[<{{[<<({<<{<><>}><<()[]>[<><>]>>}{[(((){}){()<>}}<<[]()>{(){}}>]{{{{}[]}[{}<>]}[{{}{}}<(){}>]}}){{({
+<([([[<[({<<{{[][]}<{}[]>}<<()[]>[()<>]>>>})((<(<[[]]((){})>{([]()){<><>}})>)(<<<<[]<>>[[]()])>>([[
+[<<{<(<<{{[({<<>()><{}[]>})<{[<>()](<><>)}[{{}()}{[]()}]>]}}({<[{<()<>>}[<<>>]]((<[][]>{[][
+{{(<({[((<([({()<>})[{{}[]}(()<>))]{[{[]<>}][{()<>}]})([({<><>}{{}()})])>)({<(((()<>)(<><>)))>((
+[(<{({[<{<[<([{}()](<>{}))>]([([[]<>]<()<>>){<()>}]{{[[]()]{{}{}}}[{[]}{{}<>}]})>}<([<[<<>[]>]{<(){}>{
+[[[[<(<({<[[<{()}{{}[]}><[<><>]<()[]>>](<([]{})[{}]>)]>}<[{[[{(){}}]{(<><>)}][<<[][]>{(){}
+{(({({[{{((<[([]())((){})]>){[{(<>[])}<([]{})[[]<>]>]({<()<>>[[]<>]}[<()>{<>[]}])})({<([[][]]((){}))([<>{}])
+<(<(<<{[<<{<<[()[]][[]()]><([][])<{}()>>}}>[<<<<{}<>>>{[{}][{}{}]}>[<[()()]{{}[]}>[{[][]}([])]]>[[<<[][]>(
+<<{{({<<(([{{([][])(()<>)}}(<<[]{}>>)])([{[(()[])]}<{{<><>}<[]<>>}[<{}<>><[]<>)]>]{{<[{}[]]
+({[[[[(([[[{<({})([]())>{{<>{}}}}][[<<[]>[<>()]>]{[[[]<>][<>{}]]{[<>[]]}})][[<(<(){}>{()[]})><[[()[
+(((((([{{{(<<(<>{}){<>}><(()[])<()[]>>>{[<{}<>>(<>())}<{{}()}>})((([(){}]{<>})[{[]{}}{{}[]
+(([([(((<[(({[<>()]{[][]}})[{{[]()>[[]{}]}(<<>{}><{}<>>)]){[({[]}(<>[]))([()()][<>{}])]({({}
+[(<({{([[<(((<<>()>[[]<>])({{}()}<()<>>))[[{[]()}<()<>>][{()()}<{}[]>]])>({(<({}{})<()[]}>[{()
+{{{[([<{{{([<<<>{}>{()<>}>{<{}()><<><>>}]([{()}]))<{[<()()>{()[]}]{({}[])[<>()]}}>}}}({<(({({
+[([([<[<(<[{{{<>()}{()[]}}({()[]}[{}<>])}{[{<>}]([[][]]<(){}>)}]>[[{<[<>()][{}()]>(((){}>[<>[]])}{{{<>(
+{{[{{[[<{(<([[[][]]([]<>)])>)<{<<{<>()}[<>()]><((){})<<><>>>>([<<><>>(()<>)]([(){}}{[]<>}))}>}(({{{{[]}{
+[[[[({[<({{[[(<><>)]{<<>[]>([]{})}]<[{[]}{()()}]([<>()]([]<>>)>}})>{{<([{<{}{}>{()}}])({<[<>()](<><>)>
+{[({<[({[{[({[{}()][[]<>]}((()<>)<{}<>>))<[{{}}({}{})]>]{[<<<>[]>[[][]]>(({}[])(()[]))>{(([]{})({}[]))([
+[<<([{{(<<[<[[{}[]]](<[]{}>[<>{}])>[[<{}[]>(<>[])]{([][])[()[]]}]][[{{()[]}[<>{}]}(<<>{}>[[]
+<[(([{([([<{[[(){}]<<>{}>]}[[[()()]{{}<>}]]>[[{({}{})[()()]}([()()][<>[]])]{<[[]<>][[][]]>}]]{{<{[<>
+[<[[[[([[{[[<[{}{}]([]<>)>[({}[])<[]<>>]][<{()()}[<>[]]>([[]]<<><>>)]]}([<{{{}[]}}{(()<>>({}[
+<[<{[(<{({[<[[[][]]([][])]<([]){{}<>}>>[({<>{}}<[]>)]]([[([]{})[[]()]][[[]{}]({}{})]](<[{}<>
+({[<([(<[[<([[(){}]<<>{}>])({[[]{}]<()[]>}<<[]<>>{[][]}>)>{<[<[]()><{}[]>]([<>()]({}[]))><(
+({<<<{<({[[{[{<>{}}[<><>]]}{(({})[()()])<<()<>>([]{})>}]]]{<{{([[]<>](<>[]))[[{}()]({}())]}}>((<([{}<>])>{{<[
+[{([{[[{{<{<[{[]()}<[]{}>]>({<{}[]>{<>[]}})}[(({{}<>}<{}<>]){[[]{}]({}[])})]>}}]({([[([<()()>{[]
+<[{([([{[{<(([<>[]]{<>()})<{{}<>}>){([<><>])<(()[])<<>{}>>}><{{[{}<>]{<>}}[(())[()<>]]}<{[{}{}]{{}{}}}<{{}<>
+[{<<([{{(((<{<<>()>[{}()]}>{<<<>[]><[]()>>}){[(([][])([]()))<{{}[]}[[]()]>][[{{}<>}({}{})]{({}{})(<
+{({[((<([[[{{([])[()()]}({{}{}}))<(<[]<>>[()[]])>]<<([[]<>])<[<>()][[]<>]>>({[<><>]{{}[]}}({()[]
+{[(<(<{[({[(<<[]>{<>{}}>[{<><>}([]())])(<[[][]]<()<>>>[(()[])])]<{[{()[]}[<>{}]]}[{<(){}>(<>{})}<<<>()>>]
+(<{<[<({{{{([({}{})[[]{}]]({{}<>}<()[]}))}(<<{<>()}{()<>}>{[<>{}][()[]]}>{<<[][]>{<>()}><(<>{})<{}[]>>})}
+{(<<{[({<<[(<{{}{}}<[]<>>>((<>())([]<>)))]>><<({<{[]<>}([]<>)>{[()()]}}<<{{}<>}<()()>>(<()()
+<([([<(<[({[[({}()){()<>}](({}{})(<><>))][{({}<>)<{}{}>}{([]){(){}}}]})]>)<[[{<{{(()){<>[]}}({{}()}
+<<<([{[({{{((<{}()>{()()})[[<>()]])[[[{}()]<{}()>]{{[]<>}{{}())}]}<<{<<>><<><>>}[{{}[]}(<><>)
+<([<[<{[[[{[{[<><>][{}<>]}(<[]{}>)]}([{{<>()}<{}[]>}{([]<>)[(){}]}]<{((){})<[]()>}[<[]()><()[]>]>
+[([[[[[({{[(<[{}<>]<{}()>><[<><>]{<>()}>)]}<{(<(()<>)<{}{}>>{{()<>}(()()}})}>})(<[<([<<>[]>((){})]([[]<>]<()
+{(<[[{(((([[([{}()]<{}()))[({}{}){[]}]](<<<>[]>>([<>{}]))][(<({}{})<()[]>><<[]{}><{}[]>>)])(<([([][])[
+({(([{{<{{{<[<<>[]>{()<>}][([][]){()<>}]>([<()>(<><>)]<{<><>}<[]>>)}<{[[<>[]][<>{}]]<{<>()}{[][]
+{[([[[(([<{<{[[]<>]<<>()>}<<()()>([]{})>>[<<()[]>(<>())>[(()<>)]]}>]{{({{{{}[]}({})}<{{}<>}[[]()]>}((
+[<([[<[{{{[[[<<>{}>]{<()[]>{[]<>}}]{([[]{}]({}()))}]}}}(<{<[[({}{})<()()>]]({({}<>)[[]]}{[<><>]{<>{}}})>(<[
+<<(<<{{(({<[<<[]{}>{()()}}[[()[]]]]{[(<>{}){<>}]{[{}](<>)}}><{<(()())<[]<>>>[<(){}>(<>[])]
+{<(<[<[(((<{((()[])([]<>))([[]<>]({}[]))}><<([<>())<[]<>>)(<{}[]>({}<>))>[[([]())]({()()}{{}<>})
+[[((<[[[{{<{<{{}()}[{}()]>{{[]{}}[<><>]}}>}<{[<[(){}]<<><>>]([{}<>]<<><>>)]}(<<[{}<>]<<>{}>
+<[{{[[{<[{(({[(){}]({}{})})[([{}<>][()()])[<[][]><{}<>>]])}](<({(([]<>){()[]})[([]())((){})]}{{{<>{}}<[]()>}<
+<{((<([[{<<[(<{}()><{}[]>)]>[([{<>()}<()()>]<{()[]><()[]>>){<[{}[]]>[{[][]}(<><>)]}]>{{[{{{}<>}{<>}}[[(){}]<(
+{<[({(<{{[([{{[]{}}((){})}[[{}[]]<{}()>]]((<[]<>>)<([]()){{}[]}>))(<<{()[]}{[]})>[[(()())]{[()<>][<>(
+<<{[[[[{<({<[[{}()]]{{[]<>}{[]}}><{{{}()}({}{})}>}{([({}[])({}())](({}[])))[<{[]<>}[<>()]><<[]<>>(<>[])>]}
+[(([<<[{[{<({{()[]}<<><>>})[[([]())[[]{}])(<<>{}>)]>(<{{[][]}[{}()]}([{}{}][(){}])>((<<>[]>(()
+[({<<[[<{[<<({[]()}<()<>>)>]]{{<[[[]][{}<>]]>}{([[<>{}][{}{}]]<((){})(()[])>)}}}([{((<{}[]>)[<{}[]><{}()>])}
+{[[((<[{<<([{<<><>>([]{})}<(<><>)<<>()>>][{[[]{}]{()()}}<({}{})([][])>])><<{({<>{}}[<>()])((
+[[[<{{(<((([{<[]{}>({}<>)}[<<>()>]]<<(()[]){{}[]}>{(()<>){{}<>}}>){{{(()())[<><>]}[[[]<>]{<>[]}]}}))[
+(<({[({[[({{<{<>{}}<()[]>>[{(){}}<<>[]>]}[[<[][]><()<>>]({<>{}}{[]()})]}{(([[]<>][{}[]])(<[]<>>([
+{([<{[<({{{({[[][]][()()])[<<>()><[][]>])}<{{{[]()}[{}()]}{{<>()}{<>}}}((({}())<{}{}>){(<>{})[<>{}]})>}})(((
+([[[[[[{(((((<<>()>[[]<>])<{()()}[()<>]>){<[()[]]<<>[]>>(<<>{}}{{}[]})}))<<[([()()][[]()])[{()[]}([]())]][<([
+({{((((<{<[{[(<>{})][<()()>[[]()]]}]{({(<>())[[]()]}{<[][]><[][]>})}>}>{<<{{(({}())[<>])((()[])<[]<>>)}}[
+<(<[[[<<{([<<[[]<>]{<>[]}><{()()}([]<>)>>]{<{(<>())((){})}{[{}{}]<<>{}>}>})({([[{}{}]])[(<<>()>[
+{[(<{<[[{<{{(<()[]><<>{}>){[()<>]<{}<>>}}[[[<>{}][[]<>]]]}<[[({})<<>[]>]]{{<()<>><<>[]>}<{()[]}((){}
+({[{(<<{[<{({[()()]{{}}}<({}{}){()()}>)}<{(({}{})[<>[]]){([]())[[][]]}}{(<[]<>)[()])[[<>()]]}>>
+(({<<[<[<<<({<{}[]>({}{})}{<{}[]><{}[]>})>>(<<(<()()>{[]{}})({()<>}[()()])>[{[{}()][[]]}({<>()}}]>(
+<<(<(<[{([{<[[<>{}]<{}<>>]>{<(()[])(()())><{<>[]}{()()}>}}([{({}<>){<>{}}}{{<>[]}[{}{}]}]([<[]()>((){})
+{[{([({[[<<<{{[]{}}<[]{}>}[<()[]><[]<>>]>([{{}[]][[][]]]{{(){}}({}[])})>(<{[<>{}](()<>)}>{[<[]()>
+([[[<(<{[({<({()()}{<>()})((<>[])<[]<>>)>}<{<<{}()><<>>>}({{{}[]}}[(()[])[()<>]])>)<[<((()())[<>{}])(
+{<(((<[((((({<[]>[[]{}]}))[(<[[][]][{}{}]>){{[<>()][[]<>]}([()()](<><>))}])){(<[{[<>()][{}()]
+({([{<(((<{[<[{}[]]<<>>>({{}[]}[[]()])]([<(){}>])}{<[{<>[]}{[]<>}][<<><>){<>{}}]>[<((){})([]{})>[[{}{}][()
+<[{[<[{[({{<(({}<>}[[]()])>({{[][]}}<[(){}](()[])>)}})([[{{<<>()>([]{})}[<<>{}>[<><>]]}]])]
+{(<{([{[[({[(<[]{}>)({{}[]}{()()}))<{(()[])}[[()()]{{}[]}]>}<{<(()<>)>{{[]{}}({}())}}({{{}[]}{<
+[<<{<{<<(<([<(<>()){[]()}>[({}<>)({}<>)]][(([]{}){()[]})[{{}()}(()())]])>{([{{()[]}<<>[]>}<{<>[
+{{[[(([([({([([]<>)(()())][{<>()}{(){}}])})])]([{{[<{{{}<>}(<>())>{[()()]<<>[]>}>[{(()){{}[
+[({({({(({{(<[()()][{}<>]>[[{}()]{(){}}])<[<<>[]>][<{}>(<>{})]>}(((({}())({}{}))){{(()[])<[][
+<(<(<[([<[{[<(()<>)<()[]>><(<>())([][])>]{<[{}<>]{{}()}>{[[]{}](<>{})}}}<[<([]{})><{{}<>}([]())>]>]>
+<<<(<<[({{{<{({}<>)<()[]>}<[()<>]{(){}}>><{[[]()]<[]{}>}[({}{})<(){}>]>}(<[<<>[]>{()[]}]>)}[<{[<{}>[{}{
+{(<((<[{{[[[[<{}{}]<{}()>]][{({}{})<<>{}>}[<()[]>(()())]]]{([<[]()><[]{}>](<{}()>))({<<><>>(<>())}{
+{({{[[<[{<{{(<<>>)(<[]()>[()])}([({}<>)])}[[{[()<>][()[]]}]({<[]<>>{<>()}})]><<(<<{}()>{<>[]
+{{{[{[<<{[[{[{{}<>}<[][]>]{(()[])<<>()>}}[<{()()}[(){}]><<()[]>>]]{<((<>{})({}()))[<(){}>([][])]>{({{}[]}<
+<{{[<{({{{[<{{<>()}{{}()}}>]<{<[()[]](<><>)><[<>[]]{(){}}>}<([(){}]<{}{}>){(())}>>}[([{[[]<>][{}<>]}[{()}(
+[<<[{{(({({<{{{}{}}{<>[]}}({[][]}{<>[]})>[{[{}<>][<>[]]}[({}[])[[]<>]]]})}))<(<[[<(({}()))[<<>()>{(
+{<<([<{({[{{[({}[])<<>{}>]([()<>]<(){}>)}<([{}[]]({}{}))>}[<<<<>{}>[[][]]>{<<>[]><()>}>[<<<>><[][]>
+[({(<({[<[{{[<<>[]>[()[]]]<<<>[]>>}}<{([{}[]](<>{}))[{<>}{{}<>}]}(<<[][]>>[{[]<>}])>]>[(<(({<>[]}{<><>}))(<
+{<[[{{<<{(<(<([]<>)[[][]]>[([]{})[<>{}]])<[{<>()}{[]<>}]>>>[{(({()()}[<>[]]){({}())<[]<>>})}[(<{<>
+{[[{{{<[<[{<(({}{})[{}()])[(<><>)({}())]>}{[<{[]{}}[()[]]>]<{[()()]<[]()>}<[[][]]>>}]>{{({{{()[]}{{}(
+<{[<([{{[[<(<{<><>}[{}{}]><((){})>){[[()()][()[]]]{[[]<>]}}>]<<(<({}[])<{}[]>>{(<><>)<[]()>}){(<
diff --git a/2021/src/lib.rs b/2021/src/lib.rs
index 6c16e12..69f1578 100644
--- a/2021/src/lib.rs
+++ b/2021/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod day1;
+pub mod day10;
 pub mod day2;
 pub mod day3;
 pub mod day4;