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 797th itljan30 479 143 10ms 30 Jan 2025 802nd gigaprofisi 🇺🇸 479 151 10ms 17 Nov 2025 803rd MeWhenI 🇻🇦 478 155 120ms 18 Nov 2023 804th snoozingnewt 🇨🇦 478 170 96ms 22 Oct 2025 805th Skepfyr 478 206 207ms 4 Jan 2020 806th raphaelimahorn 476 152 10ms 2 Oct 2021 806th ShiraJoseph 🇺🇸 476 152 10ms 15 Oct 2023 808th Yewzir 🇧🇪 476 204 445ms 27 Jan 2024 809th jwhear 🇺🇸 476 292 1,841ms 1 Oct 2024 810th hellwue 475 144 16ms 25 Jun 2024 810th wh3n3v3r 🇨🇿 475 144 16ms 20 Nov 2024 810th JunkIce 475 144 18ms 24 Jan 2025 810th Flekay 🇩🇪 475 144 18ms 10 Jul 2025 814th charliegaming 473 153 11ms 4 Oct 2023 815th pandapawskat 473 169 6ms 1 Sep 2021 816th fgrosshans 🇫🇷 472 145 19ms 10 Jan 2022 816th SniperSmiley 🇺🇸 472 145 22ms 24 Jun 2022 816th SirFireball3521 472 145 11ms 4 Feb 2023 819th dloscutoff 471 133 413ms 27 Nov 2018 820th scpchicken 🇵🇼 471 214 77ms 18 Apr 2023 821st Quadruplay 470 154 10ms 12 Jul 2025 822nd msbranicky 469 140 636ms 3 Oct 2024 823rd ludwig-n 469 146 11ms 6 Apr 2021 823rd firegene 🇮🇪 469 146 11ms 24 Dec 2023 823rd inverseLorentz 🇦🇺 469 146 381ms 29 Apr 2024 823rd luuumine 🇫🇷 469 146 12ms 17 Oct 2025 827th roguh 🇬🇹 469 172 154ms 18 Jan 2024 828th citsur 468 171 6ms 17 Jun 2019 829th aaronze 🇦🇺 467 155 9ms 27 Apr 2021 830th MeWhenI 🇻🇦 467 226 45ms 29 Aug 2024 831st nooberitess 466 147 24ms 22 May 2025 832nd RussellEmerine 466 173 139ms 10 Apr 2020 833rd rambox11 465 172 6ms 16 Mar 2019 834th Yewzir 🇧🇪 465 299 2,689ms 14 Nov 2025 835th yokasuretsu 464 123 44ms 11 Jul 2018 835th TheZwierzLF 🇵🇱 464 123 80ms 25 hours ago 837th guliyevemil1 🇦🇿 463 148 10ms 16 Apr 2020 837th andre-lameirinhas 🇵🇹 463 148 18ms 3 Oct 2020 837th Emutis 🇱🇹 463 148 11ms 9 Nov 2025 840th KatieLG 🇬🇧 462 128 1,273ms 20 Oct 2021 841st Protothor 461 157 10ms 8 Jul 2025 842nd MeWhenI 🇻🇦 461 193 7ms 1 Oct 2022 843rd tatzyr 🇯🇵 460 124 90ms 26 Dec 2024 844th Anonymousellama21 460 149 12ms 7 Mar 2024 845th ibexq 460 174 6ms 6 Mar 2023 846th boxjelly 459 280 309ms 10 Feb 2021 847th MeWhenI 🇻🇦 459 286 62ms 25 Jun 2022 848th squadb3 458 158 13ms 10 Oct 2019 848th unfinishedprogram 458 158 10ms 27 Oct 2023 850th JunkIce 456 144 581ms 24 Jan 2025 851st zdzc 456 150 11ms 25 Apr 2019 852nd the-zammers 456 177 155ms 15 Dec 2023 853rd matanshavit 453 151 14ms 5 May 2020 853rd AforAmpere 453 151 13ms 21 Feb 2021 853rd aglahir1 453 151 19ms 20 Jul 2022 853rd mikehanus 453 151 35ms 21 Nov 2023 853rd rollershutter 453 151 11ms 6 Oct 2025 858th Alex-x90 🇺🇸 453 243 417ms 17 Mar 2024 859th Meowsan91 🇨🇿 452 179 345ms 21 Nov 2021 860th Starwort 🇬🇧 450 152 12ms 5 Apr 2019 860th ay2718 450 152 12ms 8 Aug 2019 862nd edsrzf 🇳🇿 450 164 5ms 6 Oct 2024 863rd dokutan 449 141 816ms 30 Aug 2025 864th msbranicky 449 181 114ms 17 Aug 2023 865th JGDoerrer 449 219 161ms 18 Jan 2022 866th h3ra993huskp 🇯🇵 449 245 502ms 19 days ago 867th ehulinsky 🇺🇸 448 153 400ms 10 Nov 2021 867th mokymok 🇺🇸 448 153 17ms 15 Nov 2021 869th keelimeguy 🇺🇸 446 288 287ms 2 Jun 2025 870th Natanaelel 🇸🇪 444 180 6ms 14 May 2023 871st msbranicky 444 233 3ms 3 Oct 2024 872nd hjcafaroUC 442 155 11ms 1 Aug 2020 872nd AkashTandon167 442 155 255ms 20 Jan 2021 874th roguh 🇬🇹 442 181 6ms 8 Jan 2024 875th Attero 🇸🇪 442 183 345ms 21 Nov 2021 876th eranws 441 164 11ms 17 Oct 2022 877th rucin93 🇵🇱 440 250 416ms 28 Nov 2023 878th orthoplex 🇨🇽 440 367 24ms 9 Jun 2024 879th Stockoh 🇫🇷 439 156 28ms 31 Oct 2024 879th jameswmccarty 439 156 16ms 6 Mar 2025 First Prev 801–880 of 1,628 Next Last