The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Rule 110 in Python in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 160th lemogne 468 126 19ms 10 Aug 2021 160th ThijsLuttikhuis 468 126 21ms 3 Mar 2024 160th Mabeloid 🇳🇴 468 126 15ms 22 Sep 2024 160th robin-scragg 468 126 26ms 10 Oct 2025 165th msrawson 461 128 12ms 28 Aug 2018 165th madeforlosers 461 128 18ms 30 Nov 2023 167th jfallon1997 457 129 12ms 6 Sep 2022 167th DrPiranoid 457 129 10ms 12 Oct 2022 167th BREMAUCY 🇫🇷 457 129 14ms 4 Jan 2024 170th Dazza314 🇬🇧 454 130 11ms 31 Oct 2020 170th xkacer 🇨🇿 454 130 11ms 31 Jan 2021 170th nstearns96 🇬🇧 454 130 342ms 10 Jan 2023 173rd OllieBoyne 🇬🇧 450 131 12ms 2 Jan 2021 174th andre-lameirinhas 🇵🇹 447 132 18ms 3 Oct 2020 174th fynnkroeger 447 132 13ms 4 Jan 2023 176th garrisonhh 444 133 19ms 21 Nov 2020 177th ludwig-n 440 134 11ms 6 Apr 2021 177th forthuser 440 134 19ms 24 Jul 2023 177th mbittner20 440 134 11ms 19 Aug 2023 180th geofft 437 135 30ms 11 Dec 2020 180th Y0UR-U5ERNAME 437 135 13ms 4 Jul 2022 182nd amishtal 434 136 18ms 30 Nov 2019 183rd feherd 431 137 11ms 29 Aug 2021 183rd TheZwierzLF 🇵🇱 431 137 13ms 5 days ago 185th decorator-factory 428 138 11ms 23 May 2019 185th aalec 428 138 11ms 4 May 2024 185th msbranicky 428 138 17ms 3 Oct 2024 188th Jviscus1 424 139 40ms 24 Apr 2020 188th Psirving 424 139 12ms 1 Aug 2020 190th PaulMWeiser 418 141 437ms 4 Mar 2023 190th rsgray 418 141 11ms 24 Jan 2024 190th itljan30 418 141 10ms 30 Jan 2025 193rd inverseLorentz 🇦🇺 415 142 381ms 29 Apr 2024 193rd hellwue 415 142 16ms 25 Jun 2024 193rd Flekay 🇩🇪 415 142 18ms 10 Jul 2025 196th SniperSmiley 🇺🇸 413 143 22ms 24 Jun 2022 196th MaxElf999 413 143 11ms 3 Oct 2022 196th SirFireball3521 413 143 11ms 4 Feb 2023 199th firegene 🇮🇪 410 144 11ms 24 Dec 2023 200th nooberitess 407 145 24ms 22 May 2025 201st guliyevemil1 🇦🇿 404 146 10ms 16 Apr 2020 201st trist224 🇫🇷 404 146 11ms 15 Sep 2022 201st Emutis 🇱🇹 404 146 11ms 9 Nov 2025 204th AforAmpere 401 147 13ms 21 Feb 2021 204th Anonymousellama21 401 147 12ms 7 Mar 2024 206th zdzc 399 148 11ms 25 Apr 2019 207th matanshavit 396 149 14ms 5 May 2020 207th aglahir1 396 149 19ms 20 Jul 2022 209th Starwort 🇬🇧 393 150 12ms 5 Apr 2019 209th ay2718 393 150 12ms 8 Aug 2019 209th jiaminglimjm 🇲🇾 393 150 12ms 9 Jan 2021 212th ehulinsky 🇺🇸 391 151 400ms 10 Nov 2021 212th QuincyNash 🇺🇸 391 151 19ms 19 Jan 2022 212th mikehanus 391 151 35ms 21 Nov 2023 215th hjcafaroUC 386 153 11ms 1 Aug 2020 215th AkashTandon167 386 153 255ms 20 Jan 2021 217th Stockoh 🇫🇷 383 154 28ms 31 Oct 2024 217th jameswmccarty 383 154 16ms 6 Mar 2025 219th wobblybits 378 156 42ms 16 Aug 2025 220th za3k 376 157 11ms 10 Oct 2022 221st mothcolada 🇺🇸 371 159 13ms 15 Dec 2020 221st Andrey135296 371 159 21ms 24 Oct 2022 223rd befoster 366 161 11ms 8 May 2021 223rd LeeCamp 366 161 29ms 10 Dec 2021 225th KadinSchultz 364 162 17ms 18 Dec 2023 225th islptng 364 162 22ms 30 Aug 2025 225th AidanWalter 364 162 19ms 22 days ago 228th aksyristos 362 163 16ms 20 Jan 2023 229th Reyzartz 360 164 15ms 19 Sep 2020 230th RandGuy 358 165 28ms 4 May 2022 231st Pena86 355 166 17ms 4 Jan 2022 231st WillowWispy 355 166 12ms 23 Mar 2025 233rd TaserTheFox 🇺🇸 353 167 19ms 1 May 2023 234th croc54 351 168 10ms 16 Dec 2024 235th hoodadam 349 169 30ms 19 Jul 2019 235th bobbysq 349 169 16ms 16 Nov 2023 235th yuchuehw 349 169 19ms 5 Jan 2024 238th kellantech 347 170 29ms 31 May 2023 239th brimstonetrader 345 171 16ms 19 Dec 2023 240th martinnorling 🇸🇪 343 172 20ms 24 Feb 2022 First Prev 161–240 of 297 Next Last