The Calendar hole will go live in approximately 8 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 320th CaedenHarper 🇨🇦 772 75 10ms 12 days ago 322nd sisyphus-ppcg 🇦🇺 771 96 3ms 6 Feb 2023 322nd ovs-code 🇩🇪 771 96 3ms 7 Feb 2023 322nd Steffan153 🇫🇮 771 96 3ms 7 Mar 2023 325th andersk 🇺🇸 771 125 129ms 6 Jan 2020 325th elgan65536 771 125 251ms 31 Oct 2023 327th GrayJoKing 🇦🇺 769 102 13ms 12 Sep 2024 328th SirBogman 🇺🇸 769 117 42ms 2 Nov 2022 329th m-tkach 🇺🇦 767 124 77ms 15 Dec 2022 330th sean-niemann 🇺🇸 765 126 186ms 8 Jun 2025 331st antimon2 🇯🇵 764 76 804ms 29 Oct 2022 332nd igmcdowell 764 92 10ms 20 Dec 2021 332nd itsh01 764 92 10ms 6 Sep 2022 332nd vlpx 🇫🇮 764 92 10ms 23 Sep 2024 335th Irratix 🇳🇱 763 71 37ms 21 Apr 2022 336th Shanethegamer 🇺🇸 763 135 121ms 21 Jun 2024 337th evilpegasus 762 76 12ms 20 Jul 2022 337th AlephSquirrel 762 76 12ms 12 Dec 2022 339th edsrzf 🇳🇿 762 166 264ms 23 Apr 2025 340th sean-niemann 🇺🇸 760 140 465ms 26 Sep 2025 341st emgordon154 756 93 9ms 3 Aug 2025 342nd sean-niemann 🇺🇸 755 126 80ms 28 Dec 2023 343rd sisyphus-ppcg 🇦🇺 754 56 4ms 22 May 2022 344th Alex-x90 🇺🇸 753 137 5ms 11 Feb 2023 345th GolfingSuccess 🇬🇷 752 74 589ms 25 Jan 2025 346th xsot 🇸🇬 752 77 278ms 11 Feb 2024 346th albanian-laundromat 752 77 17ms 20 Apr 2025 348th MeWhenI 🇻🇦 749 142 485ms 7 Nov 2025 349th DialFrost 🇸🇬 748 94 10ms 23 Jan 2024 349th trinityy-7 748 94 11ms 21 Mar 2024 351st edsrzf 🇳🇿 747 138 6ms 16 Feb 2025 352nd Natanaelel 🇸🇪 746 67 200ms 11 Aug 2023 353rd primo-ppcg 🇹🇭 746 138 135ms 17 Oct 2020 354th m-tkach 🇺🇦 746 163 25ms 5 May 2025 355th prplz 🇦🇺 742 73 68ms 1 Jan 2020 356th CaedenHarper 🇨🇦 742 75 430ms 12 days ago 357th cros107 🇦🇺 742 78 13ms 29 Jun 2025 357th blaztoma 🇱🇹 742 78 12ms 18 days ago 359th timvermeulen 742 130 133ms 7 Jan 2020 360th uttumuttu 🇫🇮 740 95 9ms 4 Jan 2022 361st Alex-x90 🇺🇸 736 146 44ms 28 Apr 2024 362nd blaztoma 🇱🇹 736 152 101ms 18 days ago 363rd m-tkach 🇺🇦 734 105 6ms 15 Dec 2022 364th snoozingnewt 🇨🇦 734 144 115ms 19 Nov 2025 365th MeWhenI 🇻🇦 733 78 1,057ms 25 Oct 2022 366th KatieLG 🇬🇧 733 79 23ms 11 Dec 2022 366th OwPowell 733 79 13ms 23 Dec 2023 366th SB-945 733 79 12ms 12 Jan 2024 366th anter69 🇭🇺 733 79 13ms 15 Mar 2024 370th weliveinhell 🇭🇹 733 96 10ms 2 Sep 2023 371st AlephSquirrel 732 76 408ms 16 Jan 2024 372nd cure-honey 🇯🇵 732 123 43ms 1 Jul 2021 373rd Yax42 🇫🇷 731 108 422ms 10 Sep 2025 374th somebody1234 728 58 4ms 10 Dec 2018 375th MeWhenI 🇻🇦 728 137 108ms 8 Mar 2023 376th lynn 727 85 136ms 2 Aug 2021 377th sean-niemann 🇺🇸 727 106 6ms 28 Dec 2023 378th Mabeloid 🇳🇴 726 142 5ms 22 Sep 2024 379th lifthrasiir 🇰🇷 725 97 10ms 23 Nov 2024 380th Attero 🇸🇪 724 80 16ms 25 Sep 2020 381st albanian-laundromat 723 77 392ms 12 Sep 2025 382nd kkoenig 723 175 275ms 17 Sep 2024 383rd Shanethegamer 🇺🇸 721 139 1,315ms 31 Mar 2023 384th emgordon154 720 123 525ms 4 Aug 2025 385th primo-ppcg 🇹🇭 719 176 313ms 23 Apr 2020 386th Shanethegamer 🇺🇸 717 129 4ms 27 Feb 2023 387th edre 715 81 10ms 9 Jul 2018 387th duckyluuk 🇳🇱 715 81 15ms 15 Aug 2024 387th snydej 715 81 14ms 21 Nov 2024 387th snoozingnewt 🇨🇦 715 81 12ms 7 Nov 2025 387th Lv0Sys 🇵🇱 715 81 10ms 21 days ago 392nd SirBogman 🇺🇸 714 70 194ms 9 Jan 2025 393rd nyoshe 714 108 6ms 4 Jul 2023 394th Shanethegamer 🇺🇸 714 148 109ms 27 Feb 2023 395th albanian-laundromat 713 86 842ms 26 Sep 2025 396th MeWhenI 🇻🇦 712 82 32ms 15 Feb 2025 397th rucin93 🇵🇱 711 88 137ms 25 Sep 2024 398th Alex-x90 🇺🇸 711 111 367ms 19 Sep 2024 399th neihousaigaai 710 99 10ms 18 May 2021 400th MeWhenI 🇻🇦 710 124 20ms 10 Oct 2023 First Prev 321–400 of 1,614 Next Last