diff --git a/2021/d10/ex1/ex1.py b/2021/d10/ex1/ex1.py
deleted file mode 100755
index 89d462d..0000000
--- a/2021/d10/ex1/ex1.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/env python
-
-import itertools
-import sys
-from typing import List, Optional
-
-
-def solve(input: List[str]) -> int:
-    def find_illegal_char(input: str) -> Optional[int]:
-        chunks: List[str] = []
-        ends_to_start = {
-            ")": "(",
-            "]": "[",
-            "}": "{",
-            ">": "<",
-        }
-
-        for i, c in enumerate(input):
-            # Is it a chunk beginning
-            if c not in ends_to_start:
-                chunks.append(c)
-                continue
-            # Is it matching the last element on the chunk stack
-            current = chunks.pop()
-            # If not, corruption has been found
-            if ends_to_start[c] != current:
-                return i
-
-        return None
-
-    score = {
-        ")": 3,
-        "]": 57,
-        "}": 1197,
-        ">": 25137,
-    }
-
-    return sum(
-        score[line[find_illegal_char(line)]]
-        for line in input
-        if find_illegal_char(line) is not None
-    )
-
-
-def main() -> None:
-    input = [line.strip() for line in sys.stdin.readlines()]
-    print(solve(input))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/2021/d10/ex1/input b/2021/d10/ex1/input
deleted file mode 100644
index 3a3d7bd..0000000
--- a/2021/d10/ex1/input
+++ /dev/null
@@ -1,110 +0,0 @@
-<{[[({([{<[[([()<>]<<><>>)<[[]()]{<>()}>][<(()[])<()<>>>]]<(<(<><>)(())>)[<([]()){<><>}>{{()<>}<{}>}]>>[({
-<<({<{{{[(<{([{}{}]{{}[]}){({}())}}<<[[][]](()<>)>[{<><>}<{}<>>]>>(<[[()]([]{})]((()<>)[()()
-({<<({[<[[<[([()])]<<<{}<>><()[]>>[[()<>]<[]()>]>>([((()[])[()])]{[[()()]<<><>>][{<>[]}(()<>)]})
-(([[<<[{(({{{(()<>)[()()]}[({}<>)[[][]]]}([{{}<>}<[]()}]{[[][]][()<>]})})(([({[]{}}{[][]})
-({{<[[<<{{[{[<{}{}>{[]{}}]<([]{}){()[]}>}]<{([<><>]([]<>)){({}())({}<>)}}[[<{}<>>([]{})][[()[]]]]>}}>>]]
-[(<<<{([[[<{(<()<>>{<><>})(<[]<>>([][]))}[<[{}[]]>{<[]>(<><>)}]>([{{[]()}{[]()}}([<>[]][{}<>
-<[{[{{([<(<{{[{}<>]({}{})}{{<>[]}(()())}}(<<<>{}>(<><>)>(<<>{}>[[]<>]))>)>[{[<[[()<>]{{}<>
-{(<<[([<{<<<({()()}(<><>)}{((){})([]())}>>[<{<[]<>>{[]{}}}([()()])>]>}>]{{([{<{{[]<>}(<>)}<({}(
-((<[{(({([<{(<[][]>)[<<>{}><()<>>]}<{<{}{}>}[{()[]}<{}[]>]>>])})<[{[{([{[]()}((){})][<<>()><()()>])>]}][[({{[
-[[{([[<<[({[<<[]{}>{[][]}>(<()<>>[{}()])][([{}[]}[<><>]){[{}()]}]}[<<<{}<>>{()<>}>(<{}()>([]()))>{[[<><>][
-{{{<[([[{<[<{([]{}>{<>()}}{<(){}><()()>}>[{[[][]](<>())}[{[]<>}[<>[]]]]]{<{{{}[]}{<><>}}[[()()](<
-(([{(({[[[[{(<<>[]>((){})){<()<>><[]{}>}}{[{{}()}(()[])]((()){()<>})}]]]<[<<{(()[])<{}[]>}{
-{<<([(<([{{(<(()<>)[[][]]>{[[]{}]{(){}}})[{<(){}>[[]<>]}]}}])[[[([[{()()}{<>[]}]{[()]{[][]}}]<[((
-[{<<{<([(<[<{<{}[]>{{}[]}}(([]()))>{([(){}]<()[]>)(<[][]>{[]<>})}]>[{<<{<>()}[{}[]]>{(<><>)}>{[<[]<>>{()[]}]<
-<{{<{[[{{([({<()>{(){}}}((<>[])(<><>)))[(<[]<>>[()[]])<<()()>{<>{}}>]])<[{[{[]<>}{()()}][[{}{}]<[]>]}<{{{
-[(<[{([{({<<[<<>()>[[]()]]{<<>{}><{}<>>}><{<()()>{{}{}}}(({}<>)<()<>>)>>})({(([<{}<>>{[][]
-{(([{[<{{[({{[{}<>][()]}<{{}<>}>}(({<>[]})))]{((<[<>{}][<>[])>[[<>()]{[][]}]))<<<({}<>){{}<>}>(
-{[<{({((([[{[(<>{}){<>()}][([]{}}]}]{[<(()()){[]()}>((<>[])<(){}>)]}]){<(<<{{}<>}>>)([[{<><>}<
-{<{[(<{<[({<<[<><>]{()()}>[{()<>}<{}>]>[[<[]>][{()[]}{()}]]}(<(({}()){<><>})<(()())[<>()]>>{
-<[({[[{<([[{<{{}}>(<<><>>{[]()}}}[{{<>{}}<()<>>}{[[][]]{[]<>}}]]<((([][])<<>{}>)<((){})[{}()
-{{[{<[{<<{<<(<{}[]><(){}>)<{<>[]}[{}()]>>[{{[]<>}<()<>>}[{{}<>}(<>())]]><[(({}<>)({}<>))<<{}<>><<
-{<<({(<[(<[[{{[][]}{{}}}<[[]()]<<>())>]](<{{{}<>}{()<>}}>)>)]<(({{[[[][]]]}<[[(){}]<[]{}>]>}))>
-({{([<<{[(<<{{<>()}<[]()>}<{(){}}{{}{}}>><(<{}[]>{<>{}})<([]<>)([]())>>>)]}>>[[{<{[<<(<>{})
-<{({{({<<[{<<{<>}{{}[]}>>[[{[]<>}{()()}]<<[][]>(()())>]}]{<<{[(){}><<><>>}{{<>[]}(()<>)}>[<<(){}>[[]
-<({<([[[([({<{(){}}([][])>}<[{[][]}{<>()}]<[(){}][{}<>]>>){<({{}()}{[]{}})>{[{[]{})[()[]]]<[
-{([({[(([<{((({}()){{}<>})(<()[]>{()()})){[({}{})<<>[]>]([{}][()])}}>]{<<[<[[][]]{[][]}>({[]{}}<{}()>)
-<<{[<({[(<[({<{}{}><()()>})]{<<[<><>]>>}>){{[((<<><>><{}[]>)){<{[]()}(<>())>}]{{{({}<>){[]<>}}{{
-<<({<[{(([{({({}())(<>{})}{((){})})[<[[][]]([][])>]}<<[[<>{}][[]<>]]<([]<>)[()()]>><<<{}[]>(()())>>]])[[[
-[{<({<(({([([{[]}]<{[]()}[()<>]>]{{(()())<{}()>}{{[]()}<()<>>}}][{(<[]<>>[<>{}])[<[]<>><<><>>]}<(<<
-<{{((<<(<{({<{<>{}}[[]{}]>})[[{{[][]}{{}<>}}]]}[(([(()[])<()<>>]((<>[])<<>{}>))<[[<>()][<>
-{[([<<<({[{<<[<>{}]<[]<>>>>({<<>{}>((){})}<{[][]}{[]{}}>)}<{(([]{})<<>>><{{}()}(<><>)>}<{<[]
-<({[[{{{([(({[{}<>]{[]<>}}[{()<>}<(){}>])<[<{}()>[[]<>]]>)]{{[<{<>()}[{}()]><<<><>>{[][]}>]([[[][]](<>())
-[<<{{<[[{[<(<{()[]}[(){}]><[()[]]<<>{}>>)>[[[[[]{}]{[][]}]{<[]{}><(){}>}]({{<>()}<<>{}>}({()<>
-[<[[(<[[[[<<<{()<>}[[]()]>>{[[<>[]]{[]{}}]{[<>[]][[]<>]}}>]]({[({[<><>]<{}<>>}<<(){}>[{}()]>)[[<<>
-<{{({<([{({({{{}()}((){})})([([][])[[]<>]](([])[{}<>]))}<(([()<>][()[]])[<[]><{}{}>])<{({}<>)<<>()>}
-{<[[[([{[<<(({{}<>})(<{}()](<>{}))){[[<>[]]({}<>)]}><[((<>()){[][]})[({}())<{}<>>]]<({<>[]}{{}<>
-{<[<[({<({(<(({}[])<{}>)((<>[])({}<>))><(([][])(()()))>)})({{({{<>())}<{<>()}([]{})>)[[(()<>)<<>[]>](<<
-{(<(<<{{({{<{(<>[])[[]]}{(<>{})>>{<(()())[{}{}]>{{[]{}}{{}<>}}}}(<{[{}[]]<(){}>}[[{}{}]{()<>}]>([{<>{}}[<>]]
-[{[{{[[[{([<(({}{})<[][]>)<([]{})<<>{}>>>[{[[]{}]([]<>)}{(()())[<>[]]}}]((<([]<>)[()<>]>(<{}()>)){<[<>[]](
-{<<<<{(({<<({(()())(<>{})}<([][])[[]()]>)[{{[]()}(<>)}]><{[<<>()>]{<[]()>[[]<>]}}>>}>[(<<<[{()<>}{{}<>
-[{[(<[<{<[({[{[]<>}<[][]>]{{<>()}}}[({<>[]}{{}{}}){[[]<>](<><>)}])({({{}<>}<{}<>>)}<[((){})[{
-{<[[{[(((<({([[]<>](()<>))}[{{()<>}({}())}(<[]{}>{[]{}})])<<(({})[{}{}])[(<>{})<()>]>>>))<[{{<[{{}<>}[[][]
-[[<<([{<{((([<{}{}>(<><>)][({}[])])[[(<>{}){{}<>}](<()[]>[[]()])])[{({()}{{}{}})(({}())([]{}))}({[{}[]]{
-<<((<[<(([<{[<{}<>>][<{}{}>{{}[]}]}[{<<>()>[[]{}]}{[()[]]([]{})}]><{({()()}{[]})<{[]()}[{}{}]>}{((<>(
-({<<{[(({{<<{[[]()]{{}()}}{[<>{}]<[][]>}>{(([]())[<>[]]){<[]{}>{<><>}}}>{{{{<>[]}{{}()]}{{<>{}}[{}{}
-{((<<{<<<((<(({}{})(()))[[()()]{{}<>}]>{(<()[]][{}[]])[[<>[]]<<>>]}))>([[{({()[]}{()[]})(<[][]><{}{}>)}[[[[][
-[(<<{<[(<([<(<[]()><()()>)>]{({[<><>]{[][]}})}}<[([(()())[{}]]<<(){}>[<><>]>)][<<((){})>>[[{<><>}[{}()]][([]
-[<{[<[[(({{{[<{}[]><<>{}}][[{}<>]<<>()>]}{[{[]}[{}[]]]{[()[]]<{}<>>}}}[({<(){}>{{}{}}}<(()[])(
-<{([{(<[<<<<[[{}{}]([])](<{}{}>[[][]])>{{(()[]){<>[]}}<[<><>][(){}]>}>(([[{}{}]{{}<>}](<()()>))<<(<>{})<<
-[(<[[[[(({[<<<<>{}><<><>>>>]<{[{{}<>}<()>]{{[]{}}[<>[]]}}<<<()[]>([]<>)><(<>{}){[]()}>>>}))[[([{<
-[([(({<{([<[({{}{}}<{}{}>)[[[]{}]({}<>)]]<[([]<>)({}[])]{(()[]){[]<>}}>>{[<{[]<>}>{[()[]]<()<>>}][<([
-{<[<[[<[{({{<[[]()][{}()]>({()[]}(()[]))}([[<>()]])})}{{<{{[<>]<[]()>}{<{}[]]}}<{{()[]}<[]<>>}([()()]<{}()>)>
-[{{(<(([([((<{{}{}}({}())>{{<>[]}<[]{}>})([{<>()}{{}<>}]{<()<>>[{}{}]})>]{{[<(<>){[]{}}>{<<>[]>[()[]]}]
-[<<(({[[({({[{[]{}}<<>[]]]{[()()]<<>()>}}{[{<>[]}<()>]}){{<<()[]>{[]{}}><<<>>[[]()]>}}})<[{{[<
-<([{{{(<{{{<<({}()){(){})>{<{}{}>{<>()}}>{(<()[]>({}()))<({}())<()()>>}}[(({[]{}}[<>{}])([{}<>])){{{{}}(<
-<<{[{[[<([[<(<{}<>><()[]>)<{<>()>[<>()]>>]][{{{{()<>}<{}[]>}[<[]()>[()[]]]}<{[{}](<>{})}>}[<[[<><>]<
-[{[([{<<[([[{<<>[]>(<>())}((()())({}{}))>{[({}())<<>()>]<(<><>){()<>}>}]({([(){}]<[]<>>){<[
-[{<<[[<((({[<[[]()]>(<<>>(<>{}))]<<([]<>)[<>{}]>{<[][]>(<>())}>}(([{{}<>}{{}[]}]{[()[]]{{}{}}})<
-([<<{[([[<{<{({}())}{(()<>)}>[<[{}<>][[]()]><[<>{}]({}[])>]}<[([<>()]){[()<>]([]{})}][[[{}[]]][
-<{[[{({<{(<[[(()[])<<>[]>]<<<>()>{[]<>}>]>{[<(<>()){<>[]}>(([][]))]([<[]<>><{}{}>]([<>{}](()()
-{[([{{(([[<{<[{}<>]([]{})>[((){})<()[]>]}[[{{}<>}<[][]>]<{[]<>}([]())>]>{<{{{}<>}{(){}}]{{[]
-[{{<[([<{[[({[{}[]][(){}]}<{<>()}<[]{}>>)]<<({()<>}[[]()]){[<>[]]<()()>}>>]{[<<(<>[])<[]<>>
-<[{<[<((<({[{[{}[])(<>{})}(({}[])[<>])]})>[[([{((){})<<>>}])[<((()<>)[{}{}])[[(){}]]>{<<{}()>{
-({[[[[[[[<((<[<><>][()[]]><(<><>)>))>{{<(<<>[]>{{}})[[[]<>]({}())]><{{()<>>[[]<>]}[<{}{}>{<>{}}]>}[{<(<
-([([(<[{<[[{<{<>[]}>{{{}()]<{}()>}}<([{}()]{{}<>})[([][]){{}<>}]>]{<{{[]{}}{{}<>}}<[[]()]>>[[{()[]}{(){}}]{[
-{<{([([{<<<<{[<>()]<[]>}[[()<>]<()>]>>(([[<>[]][{}{}]])((([][]){<><>})([[]{}]<()<>})))><{<<[()()]<[]()>
-[{({[{[(([([{{{}<>}{()<>}}(([]<>){{}{}})][<{()}{{}{}}>(<<>()>[<>()])])]))<<<({((<>()){[]{}})[{
-([([(<(({<(<<<{}[]>){{<><>}[[]{}]}>[{{[][]}<<><>>}])<{<<[]>(()[])>[[{}()]<[]<>>]}{({[]()}[<><>]){{{}[]}[{
-{{[{<{((<((<<<(){}>>{([]{})[[]()]}>([({}{})]{<()>{[]{}}}))[[(<<><>>)]<<<{}{}><(){}>>[({}[])({}
-<{[({{<<((([[[(){}][{}<>]]<(<>[])<[]()>>]<[[{}()]({}())]>)({<[(){}]>{(<><>){[]{}}}})){{{<<[]()>[()<>]>[<
-(<[[(<((<[[<{[[]()][()<>]}<[[][]]<[][]>>>((({}())((){}))(<{}<>]{()()}))]]>[[{<{[{}<>]}>([[{}<>](()
-<<<{<(<[<{[[([<>()][()<>])(<<>()>[{}()])][<{<>()}>]]}<<<({<>[]}([]{}))<<(){}>>>[[({}())(())]]>{({({}[
-([<<<{<{({<[{(()<>)<()()>}]<[({}<>)]>>{[[{<>{}}(()[])](<<>>[[]<>])]}}{<<{<<>()>}><{{<>()}<<><>>}{<(){}>[(){
-{{(<<[{{({({({[]()}<{}()>)(([][])[()<>])}<{(<>())[()<>]}>)[[(([]<>)[[]<>])]]}[({[({}()){{}>]})
-<((((<{{{{{[{[(){}]([][])}[{<>{}}([]<>)]]([((){})]<[[][]][<><>]>)}}<(<{(()<>)([]{})}><([()<>]{<>()
-<{<{<(<(<<<(<[[][]]<<>()>><[<>[]][[]]>)[<[<>{}][<>()]>]>{<{(()){{}()}}[<{}<>><<><>>]>[{<{}[]><<><>>}]}>{(
-{[{<<(<([({{<<[]<>>[<>{}]>{<{}<>>([]<>)}}([<<>{}>((){})}<{<>[]}>)}<<({{}()})<(<>[])[[]]>>[[<<>[]>{()[]}][[[]
-<<<<[<{<[{{(<[<>]<[]{}>><(<>{}){{}()}>)[[{<>{}}{{}[]}](<[]>[<>{}])]}{{[{{}[]}(()<>)]<([]())(
-[([({[[{<{{<<{()()}<{}{}>>({{}{}}[{}{}]>>[{(<>{})<()()>}[[<>[]]<{}()>]]}[<<{<><>}(()[])>(<{}[]>
-[<<[[(({<[[([(<>[]){()[]}][(<><>)[<>[]]])]<({<{}{}>(()[])}[<{}<>>({}())])((({}{})<{}[]>)[{{}<>}{{}{}}])
-(({({[<<[<[([<<><>){[]{}}][<()<>><[]<>>])({[{}<>]<[]<>>}<({}{})[{}[]]>)][{((<><>)(()[]))}[<<{}()>{<>
-<((<[(<(<[[([{(){}}<<>()>]({(){}}{(){}}))]][{{[{[][]]{<>{}}]{[{}<>]([]{})}}}[<{[[]{}][<>()]}[(()[])<
-{((<<{({<[([(([]())([]()))(<[][]>{()})])<<[<<>[]>[<>())](<()<>><()()>)>>]>{{[{<[<>{}]<[]<>>>}<{{<><>}<
-{<<<<[((<{({<{<>[]}{<>()}><{<><>){<>()}>}([[[]()][(){}]]<<()<>>{<><>}>)){[{{<>[]}{[]()}}{(<>())
-({<<<<[{<{<{(<{}{}><()[]>)[{<>{}}]}>(<[([]{}){<><>}]{<<><>>[()[]]}}<[{()[]}{()[]}][{{}[]}{[][]}]>)}>}]
-({({{<{{{[<{{(<><>)}({[]()}{<><>})}{<[{}[]]<[]<>>>[(<>[]){()()}]}><[[<<>()><[][]>]]>]<<[{[[]()](
-<{[<([<[({([{(<>{}){()}}<([]<>)[{}{}]>)[[<()[]><{}<>>][(<>{})[()()]]]){<{({}){{}{}}}<{<>()}[[
-{((({[{<{[<({[{}()]({}{})}<(<>)(()())>)({[[]{}](<><>)}[<<>[]>[<>[]]])><<[{[]<>}][([][])<[]()>]>(
-({[((([<[(<{[(<>[])(()[])]}<[([][])([]<>)]<(()())>>>((([(){}])<(<>())<<><>>>)<[[()<>>{{}{}
-[{{((<{[(<{[{{[][]}{<><>}}[[()[]]<[][]>]]<<({}[])((){})>>}>[(<([[]()]<{}[]>)([{}<>])>({<<>[]>(<>[])}[(
-((<((<[<(<[{(<[]()>[()[]])((())(()[]))}{[[{}<>]([]{})]<[[]()]>}]>)><([<[<{[]<>}<{}[]>>[[(){}]]]({[[][]]{
-[(([([(([<<(<{<>}{[][]}>)[{[()<>]{{}{}}}({{}{}}<[]()>)]>>{([({<><>}<[]>){<{}{}>[()<>]}]<<[[]{}]{{
-[(<{<[[{[<<{<[[]<>]<[]()>>{{[]<>}}}><[[{{}()}([]<>)]][({{}<>}{{}{}})<[[][]](()())>]>><<({([]{})<<>{}>}){
-<{[<[(<<[[[[{<{}[]><[]<>>](<{}[]>{()[]})](<[<>()][[][]]>([()()]<<>()>))]]({([<()[]>[{}()]])<{[[]()]}{<[][
-<{{{([[([{{{<({}[])>}}<<({<>{}}{{}()))<({}{}){[]{}}>>[[(<>())[{}[]]]<<[]{}>{<>[]}>]>}([{[<<
-[{<(({{<[{[[([<>{}]{<>{}})(((){})[{}[]])][{<{}<>>}[([]{})<{}>]]]}{<<([<>{}][()[]})[{{}}<{}()>]>(
-[((<[{<<[<[{[{{}()}[{}[]]]<[<>[]][{}<>]>}]>]{[([([[]<>]{{}[]})[<(){}>[()[]]]]<<({}[])<[]()>>[(
-[{([<{([(({(<[[]<>]>{({}()){<><>}})([([]())[[]<>]])}(<[({}())(<>())]<{()<>}[[]<>]>>)){{([[<><>][()[]>](<[][]>
-<<(<<<{{{<<(<<[]<>>{<>()}>[<[]>])<{<{}<>>}{[{}{}]<<>[]>}>><{<<<>{}>({}<>)>}{([()[]]<<>()>)(<<><>><[]{}>)}>><
-{[<<[{{(<<[((({}{})[{}{}])(({}<>)[{}()]))]>{([[[(){}]<{}<>>][[{}[]]{()[]}]](<{[]{}}(<>[]>>))}>)}[(<
-<{{[[<[[[(((({<><>}{{}{}})<[<>()]([]())>)[<{{}<>}>{((){})[[][]]}]))<{<{[[]()]<[][]>}{<[]<>>(<>
-{<[<<([[[[{{<({}<>)<{}()>>[(<>())({}[])]}<{([][])({}<>)}>}(({[<>{}]{[]{}}}<(<>{})>)[<{[][]}{[][]}>{({}()){
-[[({{[(((({<{{<><>]}{(<><>){<><>}}>(<[()<>]<{}{}>>((<><>){<>[]}))}{<[[{}[]]([][])][{{}[]}[
-[{{<([((<<{(((<><>)<(){}>))((({}[]){<>()})(<{}()}({}{})))}><[<<{<>[]}[()<>]>{[<>{}]{[]()}}>{{
-[<{<{{({{<<<{[<><>]<[][]>}<<(){}>(<>)>>>([<{[]()}{{}[]}>{<{}()><[]<>>}]([([]())[[]]]([[]()]<<>{}>)))>
-<[{<[(<{{([[<[{}{}]><([]<>)(()())>][<((){})[[]()]>[([]<>){<><>}]]]{<{<[]<>><<>>}{<{}<>><[]{}
-{[((((((({([([(){}]([]<>)){[{}](<>[])}]{[<<>()>([]<>)]<<[][]>{[]<>}>})<<[{{}[]}(<><>)]<[()<>]
-([({(([[[([[((<>{}){{}{}}]{[()<>]((){})}]((({})(<>[])){[{}{}]<<>()>})]{({(())[<>{}]}((<>{})
-{<[<{(<[{<[{(<{}()>)[<<>[]>(()<>)]}([{()[]}<{}<>>])}(({<[]{}><{}{}>}([[]<>]{{}()})){[[{}<>]
-<<({[[<<[([(<[<><>]{<>{}}>{<(){}>(()())})<{[<>{}]<()[]>}>]<{[{<>{}}<<>()>]<{{}()}[()<>]>}<[[{}<>][{
diff --git a/2021/d10/ex2/ex2.py b/2021/d10/ex2/ex2.py
deleted file mode 100755
index 377b73d..0000000
--- a/2021/d10/ex2/ex2.py
+++ /dev/null
@@ -1,82 +0,0 @@
-#!/usr/bin/env python
-
-import itertools
-import sys
-from typing import Iterator, List, Optional
-
-
-def solve(input: List[str]) -> int:
-    def find_illegal_char(input: str) -> Optional[int]:
-        chunks: List[str] = []
-        ends_to_start = {
-            ")": "(",
-            "]": "[",
-            "}": "{",
-            ">": "<",
-        }
-
-        for i, c in enumerate(input):
-            # Is it a chunk beginning
-            if c not in ends_to_start:
-                chunks.append(c)
-                continue
-            # Is it matching the last element on the chunk stack
-            current = chunks.pop()
-            # If not, corruption has been found
-            if ends_to_start[c] != current:
-                return i
-
-        return None
-
-    def complete_line(input: List[str]) -> str:
-        chunks: List[str] = []
-        start_to_end = {
-            "(": ")",
-            "[": "]",
-            "{": "}",
-            "<": ">",
-        }
-
-        for c in input:
-            # Is it a chunk beginning
-            if c in start_to_end:
-                chunks.append(c)
-                continue
-            # Otherwise we must match the last open chunk
-            assert start_to_end[chunks.pop()] == c  # Sanity check
-
-        return reversed(list(start_to_end[c] for c in chunks))
-
-    def score_completion(completion: str) -> int:
-        char_score = {
-            ")": 1,
-            "]": 2,
-            "}": 3,
-            ">": 4,
-        }
-
-        score = 0
-
-        for c in completion:
-            score *= 5
-            score += char_score[c]
-
-        return score
-
-    def score_completions(completions: Iterator[str]) -> int:
-        scores = sorted(map(score_completion, completions))
-        return scores[len(scores) // 2]
-
-    incomplete_lines = filter(lambda line: find_illegal_char(line) is None, input)
-    completions = map(complete_line, incomplete_lines)
-
-    return score_completions(completions)
-
-
-def main() -> None:
-    input = [line.strip() for line in sys.stdin.readlines()]
-    print(solve(input))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/2021/d10/ex2/input b/2021/d10/ex2/input
deleted file mode 100644
index 3a3d7bd..0000000
--- a/2021/d10/ex2/input
+++ /dev/null
@@ -1,110 +0,0 @@
-<{[[({([{<[[([()<>]<<><>>)<[[]()]{<>()}>][<(()[])<()<>>>]]<(<(<><>)(())>)[<([]()){<><>}>{{()<>}<{}>}]>>[({
-<<({<{{{[(<{([{}{}]{{}[]}){({}())}}<<[[][]](()<>)>[{<><>}<{}<>>]>>(<[[()]([]{})]((()<>)[()()
-({<<({[<[[<[([()])]<<<{}<>><()[]>>[[()<>]<[]()>]>>([((()[])[()])]{[[()()]<<><>>][{<>[]}(()<>)]})
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-({{<[[<<{{[{[<{}{}>{[]{}}]<([]{}){()[]}>}]<{([<><>]([]<>)){({}())({}<>)}}[[<{}<>>([]{})][[()[]]]]>}}>>]]
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