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 881st msbranicky 437 231 99ms 1 Jan 2024 882nd aalec 436 157 11ms 4 May 2024 883rd two-bad 🇬🇧 436 166 10ms 25 Feb 2024 884th lacroixjonathan87 435 170 5ms 6 Sep 2020 885th keelimeguy 🇺🇸 433 158 16ms 7 Nov 2023 885th wobblybits 433 158 42ms 16 Aug 2025 887th zakariamouhid 433 167 23ms 14 Jun 2023 888th hamhub7 433 187 362ms 17 Aug 2022 889th za3k 431 159 11ms 10 Oct 2022 890th mintypython 431 168 10ms 21 Sep 2019 890th AnnoyedArt1256 431 168 10ms 9 Jan 2022 890th madeforlosers 431 168 10ms 3 Nov 2025 893rd dokutan 431 234 104ms 22 Dec 2024 894th aDwarfNamedUrist 430 241 3ms 6 Dec 2022 895th n1LS 429 133 62ms 27 Sep 2019 896th trist224 🇫🇷 428 160 11ms 15 Sep 2022 897th MossGrass 🇺🇸 427 258 410ms 16 Oct 2020 898th cafehaine 🇫🇷 426 243 3ms 5 Feb 2020 899th mothcolada 🇺🇸 425 161 13ms 15 Dec 2020 899th Andrey135296 425 161 21ms 24 Oct 2022 901st MeWhenI 🇻🇦 425 213 507ms 10 Feb 2025 902nd laserb 421 149 465ms 26 Jan 2020 903rd befoster 420 163 11ms 8 May 2021 903rd LeeCamp 420 163 29ms 10 Dec 2021 905th Kusarr 420 262 397ms 17 Dec 2020 906th pyrolitic 🇮🇪 419 191 6ms 4 Apr 2022 907th RandGuy 419 193 335ms 31 Mar 2022 908th dsntzn 🇸🇰 418 173 10ms 2 Mar 2021 909th msbranicky 418 218 3,862ms 9 Jan 2025 910th jiaminglimjm 🇲🇾 417 164 12ms 9 Jan 2021 910th KadinSchultz 417 164 17ms 18 Dec 2023 910th islptng 417 164 22ms 30 Aug 2025 910th AidanWalter 417 164 19ms 22 days ago 914th aksyristos 415 165 16ms 20 Jan 2023 914th dokutan 415 165 26ms 9 Jul 2024 914th RaBa21 🇭🇺 415 165 12ms 19 Jul 2025 917th c0d3-4-F00d 🇩🇪 414 193 6ms 21 Jan 2022 918th connorslade 412 239 180ms 13 May 2022 919th Reyzartz 408 168 15ms 19 Sep 2020 919th Pena86 408 168 17ms 4 Jan 2022 921st dokutan 408 181 125ms 23 Apr 2025 922nd galloj 🇨🇿 407 134 13ms 17 Jan 2023 923rd aliakseikalosha 407 199 369ms 18 Jul 2025 924th RandGuy 405 169 28ms 4 May 2022 924th TaserTheFox 🇺🇸 405 169 19ms 1 May 2023 926th jjatria 403 144 236ms 11 Jul 2020 926th scpchicken 🇵🇼 403 144 304ms 29 Mar 2022 928th croc54 403 170 10ms 16 Dec 2024 929th alphafalfa 403 183 5ms 1 Aug 2025 930th mikehanus 402 199 6ms 21 Nov 2023 931st dokutan 400 164 641ms 9 Jul 2024 932nd bobbysq 400 171 16ms 16 Nov 2023 933rd kellantech 398 172 29ms 31 May 2023 934th janbehrens 🇩🇪 397 133 5ms 14 May 2021 935th snoozingnewt 🇨🇦 397 182 9ms 11 Oct 2025 936th postie77 397 204 344ms 14 Jun 2023 937th brimstonetrader 396 173 16ms 19 Dec 2023 938th WillowWispy 393 174 12ms 23 Mar 2025 939th Pimentero 🇷🇺 393 188 5ms 17 Apr 2024 940th rjmholt 392 165 324ms 3 Jun 2020 941st ianpoe 391 175 11ms 30 Apr 2020 942nd KatieLG 🇬🇧 391 185 11ms 11 Jun 2024 943rd martinnorling 🇸🇪 389 176 20ms 24 Feb 2022 944th MeWhenI 🇻🇦 389 250 460ms 7 Dec 2022 945th CaedenHarper 🇨🇦 388 284 493ms 10 Oct 2025 946th michelebastione 🇮🇹 387 177 11ms 21 Oct 2019 947th MeWhenI 🇻🇦 386 191 9ms 4 Nov 2022 948th jgbaldwinbrown 385 208 6ms 2 Jul 2021 949th eiburns 383 179 11ms 3 Jan 2022 949th 1231234md5 🇨🇳 383 179 20ms 25 Jan 2024 951st dijs 383 189 10ms 21 Dec 2019 952nd MeWhenI 🇻🇦 383 228 72ms 3 Nov 2023 953rd richard-oelze 🇩🇪 380 180 21ms 29 Dec 2021 953rd Trunksistor 🇫🇷 380 180 14ms 20 Apr 2022 955th MeWhenI 🇻🇦 378 171 237ms 22 May 2023 956th hoodadam 378 181 30ms 19 Jul 2019 956th celiendonze 🇨🇭 378 181 11ms 16 Jun 2023 958th TrixTrl 378 291 397ms 15 Nov 2021 959th boxjelly 376 293 390ms 3 Mar 2021 960th MeWhenI 🇻🇦 376 587 20ms 15 Nov 2023 First Prev 881–960 of 1,628 Next Last