The Calendar hole will go live in approximately 7 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 481st qpwoeirut 652 105 16ms 13 Aug 2025 482nd KrausRaus 🇺🇸 652 111 10ms 11 Dec 2022 483rd AZTECCO 650 123 8ms 24 Sep 2025 484th annaproxy 646 106 236ms 14 Aug 2022 485th ScottHamper 646 112 10ms 18 Dec 2021 486th perlebach 🇨🇿 645 82 3ms 14 Aug 2021 487th Shanethegamer 🇺🇸 642 141 454ms 27 Feb 2023 488th KatieLG 🇬🇧 640 107 17ms 11 Apr 2022 489th user189032 640 113 10ms 29 May 2019 490th bac0id 640 125 6ms 28 Jun 2024 491st achimkrause 640 126 136ms 15 Dec 2019 491st strout 640 126 135ms 15 Aug 2022 493rd namelessiw 640 172 414ms 10 Oct 2025 494th ScottHamper 638 142 159ms 2 Mar 2022 495th Trip-kun 638 165 4ms 9 Oct 2024 496th user189032 635 127 130ms 30 May 2019 497th JDiLenarda 🇫🇷 635 161 1,297ms 11 Nov 2023 498th prplz 🇦🇺 634 90 71ms 19 Oct 2020 499th SB-945 634 108 13ms 12 Jan 2024 500th CaedenHarper 🇨🇦 634 114 9ms 14 days ago 501st retrohun 634 117 2,280ms 29 Jun 2021 502nd cefqrn 633 174 417ms 3 Jul 2025 503rd MeWhenI 🇻🇦 632 74 112ms 26 Jul 2022 504th janAkali 🇷🇺 632 177 668ms 16 Nov 2025 505th albanian-laundromat 631 104 362ms 12 Sep 2025 506th annaproxy 630 126 23ms 9 Sep 2022 507th oscargeerts 630 127 6ms 30 Jun 2025 508th dokutan 630 167 3ms 9 Jul 2024 509th GrayJoKing 🇦🇺 629 84 8ms 2 Apr 2023 510th targrik 629 115 10ms 28 Mar 2025 510th Yax42 🇫🇷 629 115 14ms 10 Sep 2025 512th Shanethegamer 🇺🇸 629 160 15ms 21 Apr 2023 513th dokutan 629 193 10ms 25 Jul 2024 514th marcin7Cd 628 109 18ms 16 Dec 2020 514th duckyluuk 🇳🇱 628 109 18ms 19 Mar 2024 516th rak1507 🇬🇧 626 65 33ms 19 Oct 2021 517th inventshah 626 87 9ms 11 Sep 2022 518th ZakkkkAttackkkk 🇵🇭 625 128 6ms 6 Sep 2023 519th MeWhenI 🇻🇦 625 175 47ms 30 Oct 2023 520th Mandrzejy 🇵🇱 623 156 401ms 7 Mar 2024 521st SwordF-Official 623 169 4ms 11 Aug 2025 522nd GrayJoKing 🇦🇺 623 236 8ms 25 Jul 2020 523rd o0lit3 🇺🇸 622 85 8ms 8 Oct 2020 524th Attero 🇸🇪 622 110 16ms 4 Oct 2020 524th ahmetdemirag 🇨🇾 622 110 33ms 5 Mar 2025 526th Shanethegamer 🇺🇸 620 147 3,836ms 28 Oct 2024 527th mousetail 🇳🇱 619 159 145ms 9 Jun 2024 528th BambooleanLogic 🇸🇪 618 117 10ms 26 Oct 2022 529th orthoplex 🇨🇽 617 66 33ms 27 Feb 2020 530th abailey2020 🇺🇸 617 111 11ms 12 Dec 2020 530th nullie 617 111 17ms 15 Jun 2022 530th roguh 🇬🇹 617 111 11ms 22 Feb 2024 530th snoozingnewt 🇨🇦 617 111 11ms 7 Nov 2025 534th Natanaelel 🇸🇪 616 96 1,064ms 6 Aug 2023 535th Shanethegamer 🇺🇸 616 120 11ms 21 Apr 2023 536th lynn 615 130 6ms 21 Mar 2022 537th Frowny 615 131 148ms 5 Dec 2018 538th mtirado1 615 171 3ms 24 Dec 2022 538th frosster 615 171 3ms 15 May 2023 540th DialFrost 🇸🇬 615 179 460ms 19 Nov 2025 541st KatieLG 🇬🇧 613 107 353ms 15 Jan 2024 542nd coreynash 613 118 11ms 19 Feb 2024 543rd emgordon154 613 227 1,699ms 24 Jun 2024 544th marcin7Cd 612 170 114ms 8 Feb 2021 545th lionbryce 612 172 4ms 8 Aug 2024 546th logvp 611 112 136ms 8 Jan 2024 546th Bmrl7 611 112 12ms 21 Feb 2024 546th RYNO8 611 112 18ms 14 Jun 2024 546th Pyroan 611 112 10ms 12 Mar 2025 546th YAJUE114514 611 112 11ms 5 days ago 551st abailey2020 🇺🇸 610 241 8ms 18 Apr 2020 552nd MarcMush 🇫🇷 608 103 1,224ms 7 Jan 2024 553rd PatrickStephansen 🇿🇦 608 119 11ms 8 Mar 2021 553rd MeWhenI 🇻🇦 608 119 9ms 25 Nov 2022 555th anter69 🇭🇺 607 94 35ms 5 Mar 2022 556th Exaphis 606 113 13ms 11 Jul 2022 556th commandblockguy 🇺🇸 606 113 12ms 1 Oct 2022 558th MeWhenI 🇻🇦 606 134 83ms 12 Dec 2022 559th SirBogman 🇺🇸 605 365 18ms 23 Nov 2022 560th duckyluuk 🇳🇱 602 109 384ms 26 Mar 2024 First Prev 481–560 of 1,627 Next Last