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 79th InigoK 🇺🇸 656 90 14ms 22 Aug 2025 79th Babafaba 656 90 12ms 26 Oct 2025 83rd glesnick 648 91 17ms 15 Jul 2022 84th HumanoidCPU 641 92 16ms 17 Feb 2025 85th argusdusty 🇺🇸 634 93 15ms 31 Dec 2020 85th jatloe 634 93 40ms 28 Oct 2024 85th solisolu 634 93 11ms 12 days ago 88th thisishowmymindworks 🇳🇴 621 95 12ms 17 Aug 2020 89th yzhs 🇩🇪 608 97 19ms 25 Oct 2020 89th wh3n3v3r 🇨🇿 608 97 17ms 20 Nov 2024 89th JunkIce 608 97 17ms 24 Jan 2025 89th ryyyn 🇺🇸 608 97 16ms 5 Nov 2025 93rd qpwoeirut 602 98 11ms 11 Aug 2025 94th roguh 🇬🇹 596 99 11ms 22 Feb 2024 95th abailey2020 🇺🇸 584 101 11ms 12 Dec 2020 95th marcin7Cd 584 101 18ms 16 Dec 2020 95th fgrosshans 🇫🇷 584 101 19ms 22 Jul 2024 98th leon-w 578 102 12ms 4 Jan 2019 99th galloj 🇨🇿 573 103 11ms 24 Jan 2021 99th luuumine 🇫🇷 573 103 15ms 17 Oct 2025 101st keelimeguy 🇺🇸 567 104 18ms 7 Nov 2023 102nd EnTerr 557 106 15ms 1 Sep 2024 103rd TheAristos 551 107 11ms 23 Oct 2019 103rd mathisfun271 551 107 10ms 16 Dec 2023 105th dokutan 546 108 26ms 9 Jul 2024 105th ahmetdemirag 🇨🇾 546 108 33ms 5 Mar 2025 105th RaBa21 🇭🇺 546 108 12ms 12 Jul 2025 108th nullie 541 109 17ms 15 Jun 2022 108th Exaphis 541 109 13ms 11 Jul 2022 110th neihousaigaai 536 110 12ms 18 May 2021 110th logvp 536 110 136ms 8 Jan 2024 110th Bmrl7 536 110 12ms 21 Feb 2024 110th stertooy 🇧🇪 536 110 12ms 19 Jun 2024 110th Pyroan 536 110 10ms 12 Mar 2025 110th YAJUE114514 536 110 14ms 8 hours ago 116th daedals 532 111 12ms 24 Apr 2019 116th amollberg 🇸🇪 532 111 11ms 18 Jan 2022 116th commandblockguy 🇺🇸 532 111 12ms 1 Oct 2022 119th vezzick 527 112 16ms 8 Mar 2021 120th myleopard 522 113 18ms 15 Oct 2021 120th CedricGebistorf 522 113 11ms 19 Feb 2022 120th betaveros 522 113 14ms 1 Jan 2023 120th scpchicken 🇵🇼 522 113 11ms 28 Feb 2023 120th janbehrens 🇩🇪 522 113 17ms 17 Jun 2023 120th fourth-bit 522 113 17ms 11 Nov 2024 126th mokymok 🇺🇸 518 114 18ms 11 Oct 2021 126th hiichbindermax 518 114 10ms 17 Sep 2024 128th giacomogallina 513 115 24ms 14 Jun 2019 128th cellobix 513 115 19ms 15 Aug 2019 128th dzhang314 513 115 17ms 15 Aug 2019 128th rollershutter 513 115 20ms 26 Nov 2023 128th 1231234md5 🇨🇳 513 115 20ms 25 Jan 2024 128th CutSandstone 513 115 14ms 5 Jul 2024 128th KasperKivimaeki 🇫🇮 513 115 14ms 7 Jul 2025 135th NicoAdams 509 116 12ms 22 Nov 2021 135th NerdyMcNerd42 509 116 12ms 27 Oct 2022 135th jtaxen 509 116 18ms 21 Apr 2024 138th sambirnbaum1 500 118 12ms 29 Oct 2019 138th boxjelly 500 118 14ms 17 Jan 2021 138th andrewjc2000 500 118 10ms 8 Mar 2025 141st quimey 496 119 18ms 23 Aug 2023 141st alemelis 496 119 11ms 14 Sep 2024 143rd knutae 🇳🇴 492 120 13ms 3 Dec 2021 143rd adamnielson42 🇺🇸 492 120 218ms 4 May 2023 145th Indivicivet 488 121 17ms 22 Oct 2021 145th Bonjour27891 🇻🇳 488 121 16ms 13 Mar 2022 145th FortuiteMan 🇫🇷 488 121 18ms 17 Sep 2023 145th StefanHabel 🇨🇦 488 121 11ms 6 Oct 2023 149th AGoyet 484 122 14ms 16 Jul 2022 149th GodlyProgrammer1 484 122 11ms 27 days ago 151st benwilliamgraham 480 123 19ms 25 Oct 2021 152nd skps2010 476 124 11ms 16 Jun 2019 152nd mossprescott 476 124 11ms 18 Jan 2023 152nd guilhem-roy 🇫🇷 476 124 18ms 26 Jun 2023 152nd kistlerf 🇨🇭 476 124 13ms 28 May 2025 156th hardlyBearable 472 125 11ms 25 May 2019 156th smartiel 472 125 20ms 16 Sep 2022 156th charliegaming 472 125 14ms 4 Oct 2023 156th Alban-Boissard 472 125 12ms 14 Jun 2025 160th bastienvoirin 🇫🇷 468 126 18ms 28 Nov 2020 First Prev 81–160 of 297 Next Last
