The Calendar hole will go live in approximately 3 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 321st mtirado1 869 110 2ms 9 Apr 2023 322nd pardouin 🇫🇷 868 83 26ms 30 Dec 2023 322nd Seek64 🇩🇪 868 83 27ms 9 days ago 324th GrayJoKing 🇦🇺 868 93 79ms 16 May 2022 324th JayXon 🇺🇸 868 93 77ms 23 Jun 2023 326th GrayJoKing 🇦🇺 867 88 14ms 17 Nov 2021 326th btnlq 867 88 13ms 22 Nov 2021 328th error256 867 91 103ms 17 days ago 329th ovs-code 🇩🇪 867 173 1,688ms 22 Apr 2024 330th emgordon154 867 174 424ms 28 Mar 2025 331st Steffan153 🇫🇮 866 110 98ms 15 Oct 2022 332nd m-tkach 🇺🇦 865 60 885ms 20 May 2022 332nd edsrzf 🇳🇿 865 60 914ms 26 Aug 2025 334th inventshah 864 57 19ms 10 Sep 2022 335th janbehrens 🇩🇪 864 67 9ms 2 Dec 2020 335th cywong-amino 🇭🇰 864 67 9ms 24 Dec 2020 335th blader0x 864 67 9ms 19 Mar 2021 335th ArmaanAS 864 67 9ms 26 Mar 2021 335th Mazn3k 864 67 9ms 26 Aug 2021 335th jared-hughes 864 67 9ms 15 Oct 2021 335th LukeBridges 🇬🇧 864 67 9ms 3 Nov 2022 335th zakariamouhid 864 67 10ms 28 Feb 2023 335th jbt 864 67 9ms 24 Dec 2023 335th pardouin 🇫🇷 864 67 9ms 9 Oct 2024 335th targrik 864 67 10ms 11 Feb 2025 335th XenThe 🇬🇧 864 67 9ms 15 Jun 2025 335th snoozingnewt 🇨🇦 864 67 9ms 13 Oct 2025 348th kg583 🇺🇸 863 132 40ms 27 Mar 2025 349th XorZy 861 59 36ms 29 May 2021 350th Steffan153 🇫🇮 861 111 2ms 3 Feb 2023 350th SwordF-Official 861 111 2ms 27 Jun 2025 352nd rhdqor213 860 87 2ms 21 Apr 2024 353rd nwellnhof 🇩🇪 860 121 695ms 25 Sep 2025 354th Shanethegamer 🇺🇸 859 81 5ms 14 May 2023 354th Steffan153 🇫🇮 859 81 4ms 15 May 2023 356th Shanethegamer 🇺🇸 859 94 71ms 19 May 2022 357th ovs-code 🇩🇪 857 84 81ms 29 Apr 2024 358th lynn 857 89 14ms 17 Nov 2021 358th annaproxy 857 89 14ms 24 Sep 2022 360th GrayJoKing 🇦🇺 857 99 467ms 3 Mar 2022 361st mimasz789 857 118 59ms 29 Nov 2023 362nd AdrienHache 🇫🇷 856 104 418ms 14 Nov 2024 363rd ovs-code 🇩🇪 855 140 276ms 23 Aug 2023 364th scpchicken 🇵🇼 854 41 127ms 8 Mar 2022 364th ovs-code 🇩🇪 854 41 133ms 2 Jan 2024 366th sisyphus-ppcg 🇦🇺 854 82 5ms 17 Dec 2020 367th albanian-laundromat 854 103 5ms 18 Nov 2025 368th Shanethegamer 🇺🇸 853 75 298ms 28 Dec 2023 369th edsrzf 🇳🇿 853 104 2ms 21 Jun 2025 370th Waffle3z 853 112 2ms 8 Sep 2021 370th sean-niemann 🇺🇸 853 112 2ms 8 Sep 2022 372nd sisyphus-ppcg 🇦🇺 852 37 2ms 10 Jan 2022 373rd BBoehm 🇩🇪 852 68 9ms 12 Feb 2021 373rd KatieLG 🇬🇧 852 68 9ms 15 Apr 2021 373rd olivermrose 🇺🇸 852 68 9ms 27 Aug 2021 373rd pandapawskat 852 68 9ms 13 Sep 2021 373rd fitzdotlol 🇺🇸 852 68 9ms 23 Mar 2022 373rd chasewalden 852 68 9ms 23 Nov 2022 373rd ovs-code 🇩🇪 852 68 9ms 24 Aug 2023 373rd MeWhenI 🇻🇦 852 68 9ms 3 Aug 2024 373rd Lv0Sys 🇵🇱 852 68 9ms 22 Jun 2025 373rd weliveinhell 🇭🇹 852 68 9ms 25 Jun 2025 373rd gigaprofisi 🇺🇸 852 68 9ms 22 Jul 2025 384th SirBogman 🇺🇸 851 44 33ms 30 Aug 2022 385th MeWhenI 🇻🇦 851 355 69ms 15 Jul 2021 386th edsrzf 🇳🇿 848 93 106ms 19 days ago 387th KatieLG 🇬🇧 847 60 38ms 10 Apr 2022 387th aksyristos 847 60 39ms 31 Jan 2023 389th nwellnhof 🇩🇪 847 85 9ms 7 Nov 2021 389th HelloGravity 847 85 11ms 29 Jul 2023 389th GrayJoKing 🇦🇺 847 85 35ms 2 Jul 2025 392nd ovs-code 🇩🇪 847 100 112ms 23 Aug 2023 393rd ovs-code 🇩🇪 842 60 125ms 4 Aug 2024 394th GolfingSuccess 🇬🇷 842 78 8ms 24 Dec 2024 395th sean-niemann 🇺🇸 840 101 405ms 4 Nov 2023 395th emgordon154 840 101 457ms 26 May 2025 397th pardouin 🇫🇷 839 43 3ms 8 Oct 2024 398th c0d3-4-F00d 🇩🇪 839 69 9ms 5 Oct 2021 398th edsrzf 🇳🇿 839 69 9ms 12 Jun 2025 398th CaedenHarper 🇨🇦 839 69 9ms 25 Aug 2025 First Prev 321–400 of 2,041 Next Last