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 321st GolfingSuccess 🇬🇷 772 75 16ms 4 Dec 2020 321st CaedenHarper 🇨🇦 772 75 10ms 8 days ago 323rd sisyphus-ppcg 🇦🇺 771 96 3ms 6 Feb 2023 323rd ovs-code 🇩🇪 771 96 3ms 7 Feb 2023 323rd Steffan153 🇫🇮 771 96 3ms 7 Mar 2023 326th andersk 🇺🇸 771 125 129ms 6 Jan 2020 326th elgan65536 771 125 251ms 31 Oct 2023 328th GrayJoKing 🇦🇺 769 102 13ms 12 Sep 2024 329th SirBogman 🇺🇸 769 117 42ms 2 Nov 2022 330th m-tkach 🇺🇦 767 124 77ms 15 Dec 2022 331st sean-niemann 🇺🇸 765 126 186ms 8 Jun 2025 332nd antimon2 🇯🇵 764 76 804ms 29 Oct 2022 333rd igmcdowell 764 92 10ms 20 Dec 2021 333rd itsh01 764 92 10ms 6 Sep 2022 333rd vlpx 🇫🇮 764 92 10ms 23 Sep 2024 336th Attero 🇸🇪 764 133 4ms 5 Apr 2020 337th Irratix 🇳🇱 763 71 37ms 21 Apr 2022 338th Shanethegamer 🇺🇸 763 135 121ms 21 Jun 2024 339th evilpegasus 762 76 12ms 20 Jul 2022 339th AlephSquirrel 762 76 12ms 12 Dec 2022 341st edsrzf 🇳🇿 762 166 264ms 23 Apr 2025 342nd sean-niemann 🇺🇸 760 140 465ms 26 Sep 2025 343rd emgordon154 756 93 9ms 3 Aug 2025 344th sean-niemann 🇺🇸 755 126 80ms 28 Dec 2023 345th sisyphus-ppcg 🇦🇺 754 56 4ms 22 May 2022 346th GolfingSuccess 🇬🇷 752 74 589ms 25 Jan 2025 347th xsot 🇸🇬 752 77 278ms 11 Feb 2024 347th albanian-laundromat 752 77 17ms 20 Apr 2025 349th MeWhenI 🇻🇦 749 142 485ms 7 Nov 2025 350th DialFrost 🇸🇬 748 94 10ms 23 Jan 2024 350th trinityy-7 748 94 11ms 21 Mar 2024 352nd Natanaelel 🇸🇪 746 67 185ms 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 8 days ago 357th cros107 🇦🇺 742 78 13ms 29 Jun 2025 357th blaztoma 🇱🇹 742 78 12ms 14 days ago 359th timvermeulen 742 130 133ms 7 Jan 2020 360th Alex-x90 🇺🇸 741 137 3ms 11 Feb 2023 361st uttumuttu 🇫🇮 740 95 9ms 4 Jan 2022 362nd edsrzf 🇳🇿 736 138 4ms 16 Feb 2025 363rd Alex-x90 🇺🇸 736 146 44ms 28 Apr 2024 364th blaztoma 🇱🇹 736 152 101ms 14 days ago 365th m-tkach 🇺🇦 734 105 6ms 15 Dec 2022 366th snoozingnewt 🇨🇦 734 144 115ms 19 Nov 2025 367th MeWhenI 🇻🇦 733 78 1,057ms 25 Oct 2022 368th KatieLG 🇬🇧 733 79 23ms 11 Dec 2022 368th OwPowell 733 79 13ms 23 Dec 2023 368th SB-945 733 79 12ms 12 Jan 2024 368th anter69 🇭🇺 733 79 13ms 15 Mar 2024 372nd weliveinhell 🇭🇹 733 96 10ms 2 Sep 2023 373rd AlephSquirrel 732 76 408ms 16 Jan 2024 374th cure-honey 🇯🇵 732 123 43ms 1 Jul 2021 375th Yax42 🇫🇷 731 108 422ms 10 Sep 2025 376th somebody1234 728 58 4ms 10 Dec 2018 377th MeWhenI 🇻🇦 728 137 108ms 8 Mar 2023 378th lynn 727 85 136ms 2 Aug 2021 379th sean-niemann 🇺🇸 727 106 6ms 28 Dec 2023 380th lifthrasiir 🇰🇷 725 97 10ms 23 Nov 2024 381st Attero 🇸🇪 724 80 16ms 25 Sep 2020 382nd albanian-laundromat 723 77 392ms 12 Sep 2025 383rd kkoenig 723 175 275ms 17 Sep 2024 384th Shanethegamer 🇺🇸 721 139 1,315ms 31 Mar 2023 385th emgordon154 720 123 525ms 4 Aug 2025 386th primo-ppcg 🇹🇭 719 176 313ms 23 Apr 2020 387th Shanethegamer 🇺🇸 717 129 4ms 27 Feb 2023 388th edre 715 81 10ms 9 Jul 2018 388th duckyluuk 🇳🇱 715 81 15ms 15 Aug 2024 388th snydej 715 81 14ms 21 Nov 2024 388th snoozingnewt 🇨🇦 715 81 12ms 7 Nov 2025 388th Lv0Sys 🇵🇱 715 81 10ms 16 days ago 393rd Mabeloid 🇳🇴 715 142 4ms 22 Sep 2024 394th SirBogman 🇺🇸 714 70 275ms 9 Jan 2025 395th nyoshe 714 108 6ms 4 Jul 2023 396th Shanethegamer 🇺🇸 714 148 109ms 27 Feb 2023 397th albanian-laundromat 713 86 842ms 26 Sep 2025 398th MeWhenI 🇻🇦 712 82 32ms 15 Feb 2025 399th rucin93 🇵🇱 711 88 137ms 25 Sep 2024 400th Alex-x90 🇺🇸 711 111 367ms 19 Sep 2024 First Prev 321–400 of 1,615 Next Last