The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Look and Say 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 klixel 🇨🇦 642 188 165ms 6 Nov 2024 882nd msbranicky 641 102 410ms 17 Jan 2024 882nd Yewzir 🇧🇪 641 102 350ms 5 Feb 2024 884th BBoehm 🇩🇪 637 55 152ms 12 Feb 2021 885th jiaminglimjm 🇲🇾 637 113 12ms 6 Jan 2021 885th mothcolada 🇺🇸 637 113 9ms 21 Apr 2021 885th NicoAdams 637 113 9ms 5 Jan 2022 885th martinnorling 🇸🇪 637 113 12ms 21 Feb 2022 885th jfallon1997 637 113 9ms 8 Aug 2022 885th RandGuy 637 113 10ms 22 Nov 2022 885th jacksonhenry3 637 113 9ms 2 Dec 2022 885th badboj40 637 113 9ms 26 Dec 2022 885th Techdude01 637 113 9ms 14 Feb 2023 885th 2011-Chan-Ethan 637 113 12ms 9 Jul 2023 885th yokasuretsu 637 113 10ms 9 Jan 2025 885th Pyroan 637 113 9ms 25 Feb 2025 897th jtaxen 635 120 134ms 15 Jul 2024 898th Toanuvo 634 59 33ms 20 Jan 2022 899th Shanethegamer 🇺🇸 633 139 19ms 12 Sep 2022 900th MeWhenI 🇻🇦 633 151 2ms 20 Feb 2023 901st geofft 632 114 9ms 10 Dec 2020 901st j-Ewan 632 114 10ms 11 Mar 2022 901st 40fied4t 632 114 9ms 17 May 2025 901st dirckvdende 632 114 12ms 25 Jul 2025 905th primo-ppcg 🇹🇭 631 165 410ms 4 Aug 2021 906th johnnythedoggie 630 119 90ms 3 Mar 2021 907th a6166231 🇨🇳 629 92 9ms 5 Jun 2025 908th Salutations45 629 95 2ms 19 Dec 2024 909th TheZwierzLF 🇵🇱 629 104 387ms 23 Nov 2025 910th dokutan 627 142 349ms 25 Sep 2025 911th msbranicky 627 191 290ms 7 Jan 2025 912th dahrens 626 115 10ms 13 May 2021 912th AbelPelser 626 115 9ms 2 Jul 2022 912th OppositeShark 626 115 9ms 20 Jul 2022 912th adamnielson42 🇺🇸 626 115 10ms 1 Jun 2023 912th cingulataluke 626 115 10ms 29 Aug 2023 912th Andrey2001 626 115 10ms 17 days ago 918th itiievskyi 🇺🇦 625 56 144ms 5 Jan 2021 918th DialFrost 🇸🇬 625 56 127ms 25 Dec 2024 920th 4hg 🇺🇸 624 60 34ms 3 Mar 2023 921st MeWhenI 🇻🇦 624 141 3ms 10 Sep 2022 922nd Laksen 🇩🇰 624 216 25ms 8 Jul 2021 923rd Shanethegamer 🇺🇸 623 93 9ms 25 May 2023 924th CaedenHarper 🇨🇦 623 167 462ms 19 Oct 2025 924th DialFrost 🇸🇬 623 167 485ms 18 Nov 2025 924th kmathis22 623 167 1,031ms 15 days ago 927th Xwilarg 🇫🇷 622 143 331ms 6 Nov 2022 927th Yewzir 🇧🇪 622 143 338ms 11 Feb 2024 929th HumanEquivalentUnit 621 88 264ms 6 Feb 2022 930th MeWhenI 🇻🇦 621 103 528ms 14 Feb 2023 931st LlamaLad7 🇬🇧 621 116 9ms 16 Jan 2021 931st SniperSmiley 🇺🇸 621 116 9ms 5 Sep 2022 931st MaxElf999 621 116 10ms 28 Sep 2022 931st RyGuy101 621 116 9ms 19 Jul 2023 931st anonymaew 621 116 11ms 2 Aug 2023 931st resoNathan 621 116 9ms 26 Apr 2024 931st BlankSpruce 621 116 9ms 3 Sep 2025 931st madeforlosers 621 116 10ms 11 Nov 2025 939th Shanethegamer 🇺🇸 620 193 274ms 19 Apr 2022 940th mousetail 🇳🇱 619 195 159ms 18 Jan 2024 941st sean-niemann 🇺🇸 618 121 2ms 7 Jan 2023 942nd j-Ewan 617 194 278ms 25 Mar 2022 943rd frankgraziano 617 332 21ms 7 Nov 2025 944th dsntzn 🇸🇰 616 94 8ms 13 Dec 2020 945th Apataras 616 169 378ms 26 Jun 2025 946th ydevor 🇮🇱 615 117 9ms 3 Dec 2020 946th raymur 615 117 9ms 26 Jan 2022 946th dokutan 615 117 9ms 4 Apr 2025 949th RustemB 🇷🇺 614 57 138ms 6 Dec 2020 950th hemphen 614 145 312ms 20 Oct 2022 950th rifatx 614 145 351ms 22 Jul 2024 950th CaedenHarper 🇨🇦 614 145 359ms 19 Oct 2025 953rd omurakazuaki 🇯🇵 610 95 9ms 19 Feb 2021 954th alemelis 610 105 346ms 19 Jul 2024 955th wrhm 610 118 14ms 12 Dec 2020 955th artieleach 610 118 9ms 8 Feb 2021 955th galloj 🇨🇿 610 118 10ms 17 Aug 2022 955th glesnick 610 118 12ms 18 Aug 2022 955th AstroOrbis 610 118 10ms 25 Nov 2025 960th postie77 610 146 334ms 21 Dec 2022 First Prev 881–960 of 2,039 Next Last