The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Rule 110 in all languages 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 721st boxjelly 504 153 6ms 17 Feb 2021 721st janbehrens 🇩🇪 504 153 6ms 25 Oct 2021 723rd boxjelly 504 156 147ms 27 Jan 2021 724th MeWhenI 🇻🇦 504 251 285ms 10 Feb 2023 725th ArmaanAS 502 140 10ms 5 Feb 2021 725th raphaelimahorn 502 140 10ms 2 Oct 2021 725th ShiraJoseph 🇺🇸 502 140 10ms 15 Oct 2023 728th snoozingnewt 🇨🇦 502 158 96ms 22 Oct 2025 729th MeWhenI 🇻🇦 502 192 137ms 11 Sep 2022 730th MeWhenI 🇻🇦 502 273 1,771ms 7 Nov 2025 731st madex 🇩🇪 500 154 6ms 16 Jan 2021 732nd NicoAdams 499 116 12ms 22 Nov 2021 732nd NerdyMcNerd42 499 116 12ms 27 Oct 2022 732nd jtaxen 499 116 18ms 21 Apr 2024 735th charliegaming 499 141 11ms 4 Oct 2023 735th dokutan 499 141 10ms 5 Jun 2025 737th n1LS 497 109 62ms 27 Sep 2019 738th sambirnbaum1 491 118 12ms 29 Oct 2019 738th boxjelly 491 118 14ms 17 Jan 2021 738th andrewjc2000 491 118 10ms 8 Mar 2025 741st JDiLenarda 🇫🇷 490 161 359ms 20 Nov 2023 742nd Dominoscompute 490 208 39ms 20 Apr 2023 743rd Attero 🇸🇪 490 217 379ms 15 May 2020 744th msbranicky 489 197 125ms 3 Oct 2024 745th alemelis 488 119 299ms 29 Sep 2024 746th quimey 487 119 18ms 23 Aug 2023 746th alemelis 487 119 11ms 14 Sep 2024 748th janbehrens 🇩🇪 487 148 122ms 5 Aug 2021 749th janbehrens 🇩🇪 486 148 6ms 3 Jul 2023 750th dokutan 486 219 465ms 24 Sep 2025 751st Aurel300 🇨🇭 484 199 169ms 20 Jun 2024 752nd knutae 🇳🇴 483 120 13ms 3 Dec 2021 752nd adamnielson42 🇺🇸 483 120 218ms 4 May 2023 754th LukeBridges 🇬🇧 482 146 11ms 23 May 2023 755th retrohun 482 160 6ms 20 Jun 2019 756th dokutan 482 192 6ms 28 Sep 2024 757th Skepfyr 482 200 207ms 4 Jan 2020 758th retrohun 481 102 10ms 1 Jan 2023 759th roavin 481 164 336ms 8 Jul 2022 760th neel11235813 479 113 41ms 17 Mar 2023 761st Indivicivet 479 121 17ms 22 Oct 2021 761st Bonjour27891 🇻🇳 479 121 16ms 13 Mar 2022 761st FortuiteMan 🇫🇷 479 121 18ms 17 Sep 2023 761st StefanHabel 🇨🇦 479 121 11ms 6 Oct 2023 765th ei14 479 161 6ms 9 May 2024 766th msbranicky 479 184 11ms 3 Oct 2024 767th elisherer 🇮🇱 478 147 14ms 13 Apr 2019 767th Kibble 478 147 10ms 11 Jul 2020 767th Maznek 478 147 11ms 12 Jun 2023 770th CaedenHarper 🇨🇦 478 265 295ms 3 Nov 2025 771st rak1507 🇬🇧 477 165 170ms 13 Feb 2021 771st the-zammers 477 165 155ms 15 Dec 2023 773rd orthoplex 🇨🇽 476 331 24ms 9 Jun 2024 774th AGoyet 475 122 14ms 16 Jul 2022 774th GodlyProgrammer1 475 122 11ms 26 days ago 776th Shanethegamer 🇺🇸 475 132 267ms 27 Apr 2022 776th IISResetMe 475 132 353ms 21 days ago 778th guliyevemil1 🇦🇿 474 166 146ms 16 Apr 2020 779th Meowsan91 🇨🇿 473 167 345ms 21 Nov 2021 780th jwhear 🇺🇸 473 290 1,841ms 1 Oct 2024 781st gigaprofisi 🇺🇸 472 149 10ms 17 Nov 2025 782nd MeWhenI 🇻🇦 472 153 120ms 18 Nov 2023 783rd keelimeguy 🇺🇸 472 268 287ms 2 Jun 2025 784th benwilliamgraham 471 123 19ms 25 Oct 2021 785th Yewzir 🇧🇪 471 202 445ms 27 Jan 2024 786th yoshykai 471 226 388ms 8 Apr 2025 787th DrPiranoid 470 164 6ms 14 Oct 2022 788th detrumi 🇳🇱 468 124 606ms 24 Oct 2020 789th boxjelly 467 116 44ms 12 Feb 2021 790th skps2010 467 124 11ms 16 Jun 2019 790th mossprescott 467 124 11ms 18 Jan 2023 790th guilhem-roy 🇫🇷 467 124 18ms 26 Jun 2023 790th kistlerf 🇨🇭 467 124 13ms 28 May 2025 794th aaronze 🇦🇺 466 151 9ms 27 Apr 2021 795th scpchicken 🇵🇼 466 212 77ms 18 Apr 2023 796th MeWhenI 🇻🇦 466 222 45ms 29 Aug 2024 797th hardlyBearable 463 125 11ms 25 May 2019 797th smartiel 463 125 20ms 16 Sep 2022 797th charliegaming 463 125 14ms 4 Oct 2023 797th Alban-Boissard 463 125 12ms 14 Jun 2025 First Prev 721–800 of 1,615 Next Last
