The Calendar hole will go live in approximately 9 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 561st 386asm 🇺🇸 771 115 39ms 8 May 2023 562nd Shanethegamer 🇺🇸 770 110 117ms 1 May 2023 563rd m-tkach 🇺🇦 770 175 25ms 20 Dec 2021 564th GrayJoKing 🇦🇺 769 85 417ms 17 Jan 2024 565th Yewzir 🇧🇪 769 195 2,269ms 25 May 2024 566th Natanaelel 🇸🇪 768 47 3ms 25 Aug 2021 567th DaCuteRaccoon 768 65 37ms 23 Apr 2022 568th snoozingnewt 🇨🇦 767 131 92ms 17 days ago 569th marcin7Cd 766 94 10ms 9 Dec 2020 569th Natanaelel 🇸🇪 766 94 15ms 22 Aug 2022 569th yujh-yujh 🇬🇸 766 94 19ms 12 days ago 572nd tailorspy 766 132 80ms 6 Aug 2024 573rd lynn 766 137 26ms 8 Aug 2023 574th primo-ppcg 🇹🇭 766 176 25ms 5 Mar 2022 575th sean-niemann 🇺🇸 765 136 437ms 26 Sep 2025 576th Natanaelel 🇸🇪 764 49 32ms 24 Nov 2023 577th marshallward 🇺🇸 763 139 41ms 26 Jun 2023 578th edsrzf 🇳🇿 763 157 289ms 12 Jun 2025 579th neihousaigaai 762 76 8ms 27 May 2021 579th tayloia 🇬🇧 762 76 9ms 17 May 2023 579th biocommando 🇫🇮 762 76 9ms 9 Aug 2023 579th FortuiteMan 🇫🇷 762 76 9ms 14 Jul 2025 583rd ovs-code 🇩🇪 762 198 480ms 30 Jan 2025 584th snoozingnewt 🇨🇦 760 86 419ms 16 Oct 2025 585th Alex-x90 🇺🇸 760 133 521ms 13 Apr 2023 586th jascotm 758 95 19ms 6 May 2021 587th albanian-laundromat 757 79 740ms 3 Nov 2025 588th primo-ppcg 🇹🇭 757 112 121ms 1 May 2023 589th primo-ppcg 🇹🇭 757 132 8ms 9 Feb 2021 590th Shanethegamer 🇺🇸 755 99 6ms 18 Dec 2023 591st retrohun 755 102 21ms 9 Nov 2022 592nd typeswitch-dev 🇵🇹 755 114 4ms 24 Jul 2023 593rd roupiq 🇵🇱 755 134 450ms 18 Feb 2024 594th guliyevemil1 🇦🇿 754 101 116ms 31 Jan 2021 594th cipharius 754 101 118ms 6 Feb 2021 594th YAJUE114514 754 101 119ms 30 Jul 2025 597th sean-niemann 🇺🇸 753 93 4ms 4 Nov 2023 597th targrik 753 93 4ms 5 Aug 2025 599th MeWhenI 🇻🇦 752 48 3ms 16 Apr 2023 599th DialFrost 🇸🇬 752 48 3ms 12 Jan 2025 601st olleicua 🇺🇸 752 77 9ms 20 Jan 2024 602nd jared-hughes 752 127 2ms 6 Mar 2022 603rd Just4FunCoder 750 96 14ms 26 Oct 2022 603rd FlorianCassayre 🇫🇷 750 96 10ms 23 Sep 2023 605th Re-Adventures 🇮🇳 750 127 102ms 22 Dec 2023 606th JDiLenarda 🇫🇷 750 146 1,315ms 11 Nov 2023 607th emgordon154 748 160 261ms 17 Jan 2025 608th strout 747 102 117ms 24 Aug 2022 608th the-zammers 747 102 117ms 1 Oct 2023 610th janbehrens 🇩🇪 745 94 4ms 2 Dec 2020 610th josh-h-90 745 94 4ms 7 Oct 2022 610th emplv 🇱🇻 745 94 4ms 3 Oct 2023 610th DialFrost 🇸🇬 745 94 4ms 15 Nov 2023 610th edsrzf 🇳🇿 745 94 5ms 26 Aug 2025 615th lynn 745 162 289ms 26 Feb 2025 616th janAkali 🇷🇺 744 111 124ms 3 Sep 2024 617th neel11235813 743 88 340ms 15 Jan 2024 617th SirBogman 🇺🇸 743 88 400ms 15 Jan 2024 617th Shanethegamer 🇺🇸 743 88 324ms 16 Jan 2024 617th m-tkach 🇺🇦 743 88 343ms 20 Jan 2024 617th lifthrasiir 🇰🇷 743 88 345ms 2 Dec 2024 617th Babafaba 743 88 349ms 4 Nov 2025 623rd jacklynnepenick 742 97 12ms 22 Aug 2021 623rd SimonSieber 742 97 15ms 15 Dec 2022 623rd thehylian 742 97 15ms 17 Sep 2023 623rd rsgray 742 97 9ms 6 Jan 2024 623rd retrohun 742 97 14ms 7 Dec 2024 628th JohandeRuiter 🇳🇱 741 101 2ms 24 Nov 2023 628th xsot 🇸🇬 741 101 159ms 23 Sep 2025 628th 09cf 741 101 2ms 14 Nov 2025 631st synt7x 🇺🇸 741 129 2ms 5 Aug 2025 632nd kumavale 740 163 162ms 1 Nov 2025 633rd wiebecommajonas 739 103 119ms 30 Nov 2022 634th edsrzf 🇳🇿 738 141 444ms 3 Nov 2025 635th GolfingSuccess 🇬🇷 737 38 49ms 22 Jul 2022 635th GrayJoKing 🇦🇺 737 38 64ms 31 Jul 2022 635th MeWhenI 🇻🇦 737 38 51ms 25 Aug 2022 635th AlephSquirrel 737 38 60ms 2 Jul 2023 639th Yewzir 🇧🇪 737 107 75ms 9 Mar 2024 640th janbehrens 🇩🇪 736 49 3ms 17 Jan 2021 First Prev 561–640 of 2,037 Next Last