The Calendar hole will go live in approximately 12 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 561st marcin7Cd 602 134 139ms 7 Oct 2020 562nd lionbryce 602 172 4ms 8 Aug 2024 563rd proton 🇩🇪 601 95 39ms 10 Jun 2020 563rd razetime 601 95 41ms 25 Jan 2021 563rd olivermrose 🇺🇸 601 95 43ms 24 Oct 2021 563rd scpchicken 🇵🇼 601 95 41ms 22 Apr 2023 567th neihousaigaai 601 114 12ms 18 May 2021 567th FlorianCassayre 🇫🇷 601 114 25ms 17 Oct 2023 567th Artemis21 🇬🇧 601 114 20ms 10 Jan 2025 570th MeWhenI 🇻🇦 601 123 134ms 3 Aug 2024 571st tsunderu 🇯🇵 601 133 6ms 25 Aug 2021 571st Mandrzejy 🇵🇱 601 133 6ms 27 Feb 2024 573rd Shanethegamer 🇺🇸 600 65 6ms 6 Feb 2022 574th retrohun 600 123 5ms 12 Nov 2022 575th MateuszPietrzak 🇵🇱 600 162 508ms 11 Jan 2024 576th Shanethegamer 🇺🇸 600 164 128ms 27 Feb 2023 576th klixel 🇨🇦 600 164 125ms 10 May 2023 578th Shanethegamer 🇺🇸 598 99 934ms 27 Feb 2023 579th omurakazuaki 🇯🇵 598 121 10ms 15 Mar 2021 579th alexsave 598 121 10ms 4 Nov 2025 581st galloj 🇨🇿 595 115 11ms 24 Jan 2021 581st myleopard 595 115 18ms 15 Oct 2021 581st CedricGebistorf 595 115 11ms 19 Feb 2022 581st betaveros 595 115 14ms 1 Jan 2023 581st scpchicken 🇵🇼 595 115 11ms 28 Feb 2023 581st janbehrens 🇩🇪 595 115 17ms 17 Jun 2023 581st fourth-bit 595 115 17ms 11 Nov 2024 588th iznax 595 136 361ms 21 Nov 2021 589th Shanethegamer 🇺🇸 594 96 48ms 27 Feb 2023 590th anter69 🇭🇺 592 100 935ms 24 Feb 2023 590th edsrzf 🇳🇿 592 100 967ms 11 Jul 2025 592nd Indivicivet 592 135 6ms 16 Mar 2021 593rd commandblockguy 🇺🇸 591 111 626ms 1 Sep 2025 593rd snoozingnewt 🇨🇦 591 111 484ms 7 Nov 2025 595th UnderKoen 🇳🇱 591 273 35ms 20 Jan 2025 596th vezzick 590 116 16ms 8 Mar 2021 596th Shanethegamer 🇺🇸 590 116 19ms 24 Sep 2021 596th amollberg 🇸🇪 590 116 12ms 18 Jan 2022 596th hiichbindermax 590 116 10ms 17 Sep 2024 600th KevinMarquette 🇺🇸 588 110 318ms 5 Jun 2020 601st MeWhenI 🇻🇦 588 181 4ms 24 Jul 2023 602nd giacomogallina 585 117 24ms 14 Jun 2019 602nd cellobix 585 117 19ms 15 Aug 2019 602nd dzhang314 585 117 17ms 15 Aug 2019 602nd mathisfun271 585 117 11ms 16 Dec 2023 602nd KasperKivimaeki 🇫🇮 585 117 14ms 7 Jul 2025 607th primo-ppcg 🇹🇭 583 189 410ms 14 Jul 2020 608th MeWhenI 🇻🇦 583 212 106ms 7 Jun 2023 609th Shanethegamer 🇺🇸 583 225 25ms 25 Mar 2022 610th TimCurwick 🇺🇸 582 111 316ms 30 Jul 2020 611th MeWhenI 🇻🇦 582 158 46ms 2 Jun 2024 612th stertooy 🇧🇪 580 118 12ms 19 Jun 2024 612th EnTerr 580 118 15ms 1 Sep 2024 612th plcc0 580 118 23ms 25 Apr 2025 615th SirBogman 🇺🇸 580 139 181ms 27 Nov 2021 616th janbehrens 🇩🇪 580 190 433ms 15 Nov 2022 617th MeWhenI 🇻🇦 577 128 10ms 3 Jul 2023 618th Shanethegamer 🇺🇸 576 114 459ms 18 Jan 2024 619th ian-h-chamberlain 🇺🇸 576 171 143ms 8 Oct 2020 620th TheAristos 575 119 11ms 23 Oct 2019 621st cmayer777 575 169 81ms 21 Oct 2022 622nd edsrzf 🇳🇿 574 178 1,308ms 29 Apr 2025 623rd Alex-x90 🇺🇸 574 224 284ms 19 Sep 2024 624th iczelia 🇩🇪 572 141 141ms 19 Oct 2025 625th sambirnbaum1 571 120 12ms 29 Oct 2019 625th boxjelly 571 120 14ms 17 Jan 2021 627th cywong-amino 🇭🇰 570 127 12ms 7 Oct 2020 628th funnsam 🇭🇰 569 173 136ms 12 Aug 2024 629th RockOfStone 569 182 3ms 10 Mar 2024 630th quimey 566 121 18ms 23 Aug 2023 631st MeWhenI 🇻🇦 566 143 355ms 19 Jun 2025 632nd janbehrens 🇩🇪 566 160 434ms 15 Nov 2022 633rd msbranicky 566 167 9ms 3 Oct 2024 634th guliyevemil1 🇦🇿 566 227 281ms 16 Apr 2020 635th bac0id 562 144 370ms 4 Jul 2024 636th bac0id 562 196 412ms 28 Jun 2024 636th Jacob385 562 196 381ms 10 Nov 2025 638th msbranicky 561 229 295ms 30 Aug 2023 639th janbehrens 🇩🇪 560 112 848ms 10 Nov 2021 640th akshatj27 🇦🇶 559 102 37ms 12 Dec 2022 First Prev 561–640 of 1,628 Next Last