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 241st ovs-code 🇩🇪 858 94 139ms 11 Nov 2023 242nd inventshah 854 131 121ms 23 Oct 2023 243rd kg583 🇺🇸 854 142 45ms 24 Oct 2025 244th CaedenHarper 🇨🇦 852 77 430ms 12 days ago 245th helbling 🇨🇭 851 85 11ms 20 Feb 2024 246th JayXon 🇺🇸 851 151 262ms 18 Sep 2024 247th primo-ppcg 🇹🇭 849 260 54ms 2 Aug 2023 248th SirBogman 🇺🇸 848 48 33ms 28 Nov 2022 248th stackofbears 848 48 36ms 23 Feb 2024 250th primo-ppcg 🇹🇭 848 119 111ms 31 May 2021 251st GrayJoKing 🇦🇺 846 102 13ms 12 Sep 2024 252nd Lv0Sys 🇵🇱 845 81 10ms 21 days ago 253rd AlephSquirrel 841 78 408ms 16 Jan 2024 254th kumavale 841 117 123ms 14 Nov 2025 255th duckyluuk 🇳🇱 840 98 24ms 25 Jun 2025 256th sean-niemann 🇺🇸 839 88 15ms 28 Dec 2023 257th inventshah 837 109 4,563ms 20 Nov 2024 258th nwellnhof 🇩🇪 837 116 82ms 24 Jul 2023 259th Shanethegamer 🇺🇸 837 145 47ms 12 Apr 2024 260th wuduculfre 835 82 13ms 22 Jul 2025 261st stefangimmillaro 834 118 123ms 18 May 2025 262nd DialFrost 🇸🇬 833 76 712ms 5 Sep 2025 262nd CaedenHarper 🇨🇦 833 76 805ms 13 days ago 264th Kacarott 🇦🇺 832 105 62ms 13 days ago 265th edsrzf 🇳🇿 832 125 24ms 19 days ago 266th lynn 831 49 35ms 18 Apr 2021 267th razetime 830 47 4ms 12 Jan 2022 267th GolfingSuccess 🇬🇷 830 47 4ms 13 Jan 2022 267th Steffan153 🇫🇮 830 47 4ms 10 Feb 2023 267th Natanaelel 🇸🇪 830 47 4ms 14 Jul 2023 271st marshallward 🇺🇸 829 111 41ms 23 Dec 2024 272nd GrayJoKing 🇦🇺 829 135 193ms 29 Mar 2023 273rd somebody1234 826 64 4ms 10 Dec 2018 274th edre 825 83 10ms 9 Jul 2018 274th snydej 825 83 14ms 21 Nov 2024 276th DialFrost 🇸🇬 825 138 116ms 19 days ago 277th m-tkach 🇺🇦 825 159 25ms 15 Dec 2022 278th inventshah 823 110 453ms 9 Jan 2024 279th Attero 🇸🇪 822 88 10ms 21 Oct 2020 279th nathanadams 🇳🇿 822 88 11ms 23 Sep 2021 279th jared-hughes 822 88 11ms 17 Feb 2022 282nd emgordon154 822 105 21ms 6 Jun 2025 283rd primo-ppcg 🇹🇭 822 128 42ms 5 Oct 2020 284th inventshah 822 131 102ms 23 Oct 2023 285th ScottHamper 822 134 548ms 22 days ago 286th rucin93 🇵🇱 821 90 137ms 25 Sep 2024 287th primo-ppcg 🇹🇭 819 123 160ms 6 Aug 2023 288th Natanaelel 🇸🇪 818 71 200ms 11 Aug 2023 289th tomtheisen 🇺🇸 818 99 345ms 30 Jan 2023 290th Shanethegamer 🇺🇸 816 137 121ms 21 Jun 2024 291st primo-ppcg 🇹🇭 815 70 40ms 5 Oct 2020 292nd cubed-guy 815 84 10ms 12 Feb 2022 293rd inventshah 815 116 102ms 22 Oct 2023 294th DialFrost 🇸🇬 814 77 364ms 8 May 2024 295th MeWhenI 🇻🇦 814 149 8ms 12 Apr 2024 296th NewDefectus 🇮🇱 813 74 55ms 9 Oct 2021 297th ETHproductions 🇺🇸 813 89 10ms 9 Jul 2018 298th primo-ppcg 🇹🇭 813 121 132ms 12 Jun 2020 298th edsrzf 🇳🇿 813 121 196ms 5 Apr 2025 300th lifthrasiir 🇰🇷 812 48 2ms 5 Dec 2024 301st primo-ppcg 🇹🇭 811 126 1,311ms 30 Nov 2021 302nd MeWhenI 🇻🇦 811 138 280ms 9 Dec 2022 303rd lynn 810 98 11ms 18 Nov 2021 303rd IanUtley 810 98 36ms 2 Nov 2023 305th prplz 🇦🇺 808 80 403ms 6 Jul 2020 305th SirBogman 🇺🇸 808 80 337ms 18 Oct 2021 307th Alex-x90 🇺🇸 808 117 278ms 19 Oct 2023 308th Steffan153 🇫🇮 808 153 58ms 4 Jul 2024 309th inventshah 807 122 260ms 18 Jul 2023 310th SirBogman 🇺🇸 806 72 194ms 28 Nov 2022 311th NewDefectus 🇮🇱 804 71 38ms 18 Nov 2021 312th emgordon154 803 201 48ms 10 Jun 2025 313th ovs-code 🇩🇪 802 109 70ms 20 Sep 2023 314th JohandeRuiter 🇳🇱 800 100 7ms 27 Oct 2023 315th The3gs 800 123 127ms 28 Nov 2024 316th kg583 🇺🇸 800 130 77ms 30 Apr 2025 317th primo-ppcg 🇹🇭 799 140 135ms 17 Oct 2020 318th KasperKivimaeki 🇫🇮 798 161 304ms 8 Oct 2025 319th Shanethegamer 🇺🇸 797 132 3ms 29 Jan 2025 320th KenanSi 796 49 5ms 23 Feb 2022 First Prev 241–320 of 1,626 Next Last