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 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 Skepfyr 478 206 207ms 4 Jan 2020 805th raphaelimahorn 476 152 10ms 2 Oct 2021 805th ShiraJoseph 🇺🇸 476 152 10ms 15 Oct 2023 807th Yewzir 🇧🇪 476 204 445ms 27 Jan 2024 808th jwhear 🇺🇸 476 292 1,841ms 1 Oct 2024 809th hellwue 475 144 16ms 25 Jun 2024 809th wh3n3v3r 🇨🇿 475 144 16ms 20 Nov 2024 809th JunkIce 475 144 18ms 24 Jan 2025 809th Flekay 🇩🇪 475 144 18ms 10 Jul 2025 813th charliegaming 473 153 11ms 4 Oct 2023 814th pandapawskat 473 169 6ms 1 Sep 2021 815th fgrosshans 🇫🇷 472 145 19ms 10 Jan 2022 815th SniperSmiley 🇺🇸 472 145 22ms 24 Jun 2022 815th SirFireball3521 472 145 11ms 4 Feb 2023 818th dloscutoff 471 133 413ms 27 Nov 2018 819th scpchicken 🇵🇼 471 214 77ms 18 Apr 2023 820th Quadruplay 470 154 10ms 12 Jul 2025 821st msbranicky 469 140 636ms 3 Oct 2024 822nd ludwig-n 469 146 11ms 6 Apr 2021 822nd firegene 🇮🇪 469 146 11ms 24 Dec 2023 822nd inverseLorentz 🇦🇺 469 146 381ms 29 Apr 2024 822nd luuumine 🇫🇷 469 146 12ms 17 Oct 2025 826th roguh 🇬🇹 469 172 154ms 18 Jan 2024 827th citsur 468 171 6ms 17 Jun 2019 828th aaronze 🇦🇺 467 155 9ms 27 Apr 2021 829th MeWhenI 🇻🇦 467 226 45ms 29 Aug 2024 830th nooberitess 466 147 24ms 22 May 2025 831st RussellEmerine 466 173 139ms 10 Apr 2020 832nd rambox11 465 172 6ms 16 Mar 2019 833rd Yewzir 🇧🇪 465 299 2,689ms 14 Nov 2025 834th yokasuretsu 464 123 44ms 11 Jul 2018 834th TheZwierzLF 🇵🇱 464 123 80ms 4 hours ago 836th guliyevemil1 🇦🇿 463 148 10ms 16 Apr 2020 836th andre-lameirinhas 🇵🇹 463 148 18ms 3 Oct 2020 836th Emutis 🇱🇹 463 148 11ms 9 Nov 2025 839th KatieLG 🇬🇧 462 128 1,273ms 20 Oct 2021 840th Protothor 461 157 10ms 8 Jul 2025 841st MeWhenI 🇻🇦 461 193 7ms 1 Oct 2022 842nd tatzyr 🇯🇵 460 124 90ms 26 Dec 2024 843rd Anonymousellama21 460 149 12ms 7 Mar 2024 844th ibexq 460 174 6ms 6 Mar 2023 845th boxjelly 459 280 309ms 10 Feb 2021 846th MeWhenI 🇻🇦 459 286 62ms 25 Jun 2022 847th squadb3 458 158 13ms 10 Oct 2019 847th unfinishedprogram 458 158 10ms 27 Oct 2023 849th JunkIce 456 144 581ms 24 Jan 2025 850th zdzc 456 150 11ms 25 Apr 2019 851st the-zammers 456 177 155ms 15 Dec 2023 852nd msbranicky 454 181 114ms 17 Aug 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 JGDoerrer 449 219 161ms 18 Jan 2022 865th h3ra993huskp 🇯🇵 449 245 502ms 18 days ago 866th ehulinsky 🇺🇸 447 153 400ms 10 Nov 2021 866th mokymok 🇺🇸 447 153 17ms 15 Nov 2021 868th keelimeguy 🇺🇸 446 288 287ms 2 Jun 2025 869th Natanaelel 🇸🇪 444 180 6ms 14 May 2023 870th msbranicky 444 233 3ms 3 Oct 2024 871st hjcafaroUC 442 155 11ms 1 Aug 2020 871st AkashTandon167 442 155 255ms 20 Jan 2021 873rd roguh 🇬🇹 442 181 6ms 8 Jan 2024 874th Attero 🇸🇪 442 183 345ms 21 Nov 2021 875th eranws 441 164 11ms 17 Oct 2022 876th rucin93 🇵🇱 440 250 416ms 28 Nov 2023 877th orthoplex 🇨🇽 440 367 24ms 9 Jun 2024 878th Stockoh 🇫🇷 439 156 28ms 31 Oct 2024 878th jameswmccarty 439 156 16ms 6 Mar 2025 880th msbranicky 437 231 99ms 1 Jan 2024 First Prev 801–880 of 1,627 Next Last