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 bytes. 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 Bytes Time Submitted 161st stefangimmillaro 903 101 3,866ms 20 Nov 2024 162nd JayXon 🇺🇸 903 109 124ms 23 Apr 2025 163rd primo-ppcg 🇹🇭 902 102 40ms 15 May 2025 164th edsrzf 🇳🇿 902 124 282ms 22 Jun 2025 165th canissimia 🇦🇶 902 163 14ms 17 Dec 2022 166th error256 901 97 63ms 11 days ago 167th inventshah 901 100 11ms 28 Dec 2023 168th GrayJoKing 🇦🇺 901 109 97ms 3 Apr 2023 169th JayXon 🇺🇸 901 112 116ms 5 Sep 2023 170th stefangimmillaro 900 105 105ms 13 Nov 2022 171st Alex-x90 🇺🇸 899 89 7ms 11 Feb 2023 172nd MeWhenI 🇻🇦 899 96 78ms 16 Aug 2024 173rd inventshah 899 108 71ms 4 Feb 2023 174th edsrzf 🇳🇿 899 112 8ms 27 Feb 2025 175th nwellnhof 🇩🇪 898 72 352ms 27 Oct 2024 175th bitsandbeyond 🇳🇱 898 72 319ms 31 Oct 2025 177th stefangimmillaro 898 120 1,034ms 29 Sep 2023 178th GrayJoKing 🇦🇺 897 122 45ms 28 Apr 2024 179th GrayJoKing 🇦🇺 896 138 127ms 31 Mar 2023 180th kg583 🇺🇸 894 118 46ms 15 Mar 2025 180th edsrzf 🇳🇿 894 118 44ms 9 Apr 2025 182nd tomtheisen 🇺🇸 893 81 11ms 2 Oct 2020 183rd primo-ppcg 🇹🇭 892 98 100ms 10 Nov 2023 184th inventshah 892 106 281ms 28 Oct 2023 185th edsrzf 🇳🇿 892 136 41ms 17 Jan 2025 186th m-tkach 🇺🇦 892 181 969ms 15 Jan 2025 187th sean-niemann 🇺🇸 891 71 895ms 15 Sep 2025 188th sean-niemann 🇺🇸 891 83 133ms 4 Aug 2024 189th JayXon 🇺🇸 890 91 365ms 28 Jun 2024 190th MeWhenI 🇻🇦 890 121 106ms 14 Mar 2023 191st CaedenHarper 🇨🇦 889 77 10ms 12 days ago 192nd sean-niemann 🇺🇸 889 83 3ms 3 Feb 2024 193rd primo-ppcg 🇹🇭 889 90 7ms 26 Apr 2019 194th sean-niemann 🇺🇸 888 102 502ms 14 Apr 2025 195th GrayJoKing 🇦🇺 888 120 18ms 8 Aug 2023 196th ngn 🇧🇬 886 44 3ms 13 Jan 2022 197th dcgjb 886 73 314ms 13 May 2024 198th primo-ppcg 🇹🇭 886 148 26ms 25 Jun 2022 199th JayXon 🇺🇸 886 157 1,674ms 15 Sep 2025 200th sean-niemann 🇺🇸 883 102 10ms 28 Dec 2023 201st Alex-x90 🇺🇸 883 110 84ms 23 Feb 2023 202nd primo-ppcg 🇹🇭 883 124 44ms 21 Jun 2022 203rd primo-ppcg 🇹🇭 881 60 5ms 16 Oct 2020 204th ovs-code 🇩🇪 881 98 23ms 13 Oct 2024 205th inventshah 880 84 137ms 4 Aug 2024 206th ovs-code 🇩🇪 879 91 6ms 6 May 2025 207th Natanaelel 🇸🇪 878 65 41ms 29 Jul 2023 208th evilpegasus 878 78 12ms 20 Jul 2022 208th AlephSquirrel 878 78 12ms 12 Dec 2022 208th cros107 🇦🇺 878 78 13ms 29 Jun 2025 208th blaztoma 🇱🇹 878 78 12ms 18 days ago 212th edsrzf 🇳🇿 876 130 107ms 8 days ago 213th MeWhenI 🇻🇦 876 142 67ms 1 Aug 2023 214th btnlq 874 74 323ms 23 Feb 2021 215th primo-ppcg 🇹🇭 873 74 42ms 8 Feb 2022 216th btnlq 873 91 27ms 12 Dec 2021 217th typeswitch-dev 🇵🇹 873 122 4ms 7 Aug 2023 218th zacjl 872 121 44ms 13 Feb 2025 219th dmrichwa 🇺🇸 871 83 10ms 18 Dec 2022 220th namelessiw 871 93 393ms 28 Jun 2024 220th stefangimmillaro 871 93 392ms 15 Jan 2025 222nd ovs-code 🇩🇪 871 193 445ms 2 Feb 2025 223rd emgordon154 870 68 1,094ms 3 Aug 2025 224th primo-ppcg 🇹🇭 870 160 1,815ms 9 Jun 2024 225th xsot 🇸🇬 869 85 18ms 24 May 2025 226th bstrat 867 45 4ms 18 Jun 2024 227th TFeld00 🇩🇰 867 79 206ms 5 Oct 2020 227th OwPowell 867 79 13ms 23 Dec 2023 227th xsot 🇸🇬 867 79 278ms 11 Feb 2024 230th xnor-gate 867 93 149ms 26 Dec 2021 231st MeWhenI 🇻🇦 867 95 19ms 1 Jan 2025 232nd Irratix 🇳🇱 867 112 77ms 15 Dec 2022 233rd stefangimmillaro 867 129 123ms 23 Sep 2024 234th SirBogman 🇺🇸 864 66 38ms 28 Nov 2022 234th emgordon154 864 66 45ms 3 Aug 2025 236th sean-niemann 🇺🇸 862 127 47ms 13 Aug 2023 237th prplz 🇦🇺 860 93 6ms 5 Apr 2019 237th nwellnhof 🇩🇪 860 93 7ms 24 Jul 2023 239th jared-hughes 860 246 19ms 23 Dec 2023 240th Attero 🇸🇪 859 86 18ms 20 Sep 2023 First Prev 161–240 of 1,626 Next Last