The Calendar hole will go live in approximately 4 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 799th itsjustfreekie 673 107 11ms 21 Sep 2021 799th eshilo-draper 673 107 9ms 7 Nov 2022 799th mbittner20 673 107 9ms 27 May 2023 799th tobeannouncd 673 107 9ms 15 Sep 2023 799th elgan65536 673 107 11ms 30 Mar 2024 799th BREMAUCY 🇫🇷 673 107 14ms 24 Apr 2024 799th Ythaenagor 673 107 9ms 5 Aug 2024 799th Emutis 🇱🇹 673 107 9ms 6 Aug 2025 799th wobblybits 673 107 14ms 16 Aug 2025 799th zgialor-lab 673 107 11ms 10 days ago 811th frankgraziano 670 115 12ms 25 Feb 2025 812th elgan65536 670 180 163ms 4 Mar 2024 813th emgordon154 669 104 4ms 28 Dec 2024 814th Shanethegamer 🇺🇸 669 123 3,966ms 2 Nov 2024 815th Ralac07 🇦🇺 668 76 39ms 4 Jul 2024 816th TimCurwick 🇺🇸 667 82 240ms 3 Dec 2020 816th Feniske 🇫🇷 667 82 226ms 7 Nov 2023 816th IISResetMe 667 82 300ms 8 Apr 2025 819th abailey2020 🇺🇸 667 108 9ms 12 Dec 2020 819th ComputerKWasTaken 🇺🇸 667 108 10ms 15 Oct 2024 821st Shanethegamer 🇺🇸 667 202 26ms 9 Jul 2021 822nd Ashikpaul 🇮🇳 666 87 9ms 29 Jul 2022 822nd two-bad 🇬🇧 666 87 9ms 25 Feb 2024 824th MeWhenI 🇻🇦 664 113 99ms 8 Mar 2023 825th roavin 664 134 361ms 27 Jun 2022 826th CatsAreFluffy 663 50 50ms 21 Oct 2022 827th Alex-x90 🇺🇸 662 113 1ms 7 Mar 2023 827th Yewzir 🇧🇪 662 113 6ms 27 Jan 2024 829th sean-niemann 🇺🇸 662 134 38ms 19 Nov 2024 830th Shanethegamer 🇺🇸 661 53 131ms 9 May 2021 831st argusdusty 🇺🇸 661 109 9ms 31 Dec 2020 831st fynnkroeger 661 109 34ms 8 Feb 2021 831st Starwort 🇬🇧 661 109 10ms 5 Mar 2021 831st enbyte 661 109 9ms 7 Jun 2021 831st jakobkordez 🇸🇮 661 109 9ms 10 Nov 2022 831st b10011 🇫🇮 661 109 14ms 8 Jan 2023 831st GulgDev 661 109 14ms 21 Mar 2023 831st swtchblade 661 109 9ms 23 Jul 2025 839th KatieLG 🇬🇧 660 99 355ms 15 Jan 2024 839th m42km 660 99 365ms 4 Feb 2024 839th Kacarott 🇦🇺 660 99 376ms 10 Sep 2024 842nd ashtraypettingzoo 🇺🇸 657 48 2ms 5 Apr 2023 843rd boxjelly 655 110 14ms 12 Feb 2021 843rd cesarm4 655 110 12ms 31 Aug 2021 843rd Kloppermand 🇩🇰 655 110 14ms 28 Sep 2021 843rd LeeCamp 655 110 10ms 15 Feb 2022 843rd za3k 655 110 9ms 12 Oct 2022 843rd lzahray 655 110 11ms 25 Oct 2022 843rd Re-Adventures 🇮🇳 655 110 9ms 4 Jan 2023 843rd luuumine 🇫🇷 655 110 10ms 26 days ago 851st dizzyliam 655 126 116ms 27 Oct 2021 852nd jacobly0 🇺🇸 655 229 1,708ms 22 Apr 2024 853rd stefangimmillaro 654 136 388ms 15 Jun 2025 854th stefangimmillaro 654 159 455ms 6 Oct 2025 855th Yewzir 🇧🇪 654 183 279ms 25 Oct 2023 856th btjones0 653 118 12ms 5 Jan 2021 857th RocketRammer 🇬🇧 651 84 224ms 14 Jul 2023 858th RDShah 651 89 9ms 6 Jan 2022 858th akshatj27 🇦🇶 651 89 9ms 11 Jan 2022 860th MeWhenI 🇻🇦 651 163 43ms 20 May 2023 861st MeWhenI 🇻🇦 651 184 274ms 9 Feb 2023 862nd NewDefectus 🇮🇱 650 51 49ms 6 Sep 2021 863rd johnnythedoggie 649 111 10ms 29 Apr 2021 863rd blamegames 649 111 10ms 16 May 2021 863rd fgrosshans 🇫🇷 649 111 10ms 7 May 2023 863rd rollershutter 649 111 10ms 11 Jul 2023 863rd wk1093 649 111 9ms 18 Nov 2023 863rd SoliGhost 649 111 9ms 10 Jun 2025 869th Yewzir 🇧🇪 648 156 464ms 9 Feb 2024 870th btjones0 648 186 160ms 5 Jan 2021 871st jared-hughes 647 119 12ms 17 Jul 2022 872nd Kaffeleif 645 116 6ms 5 Jan 2024 873rd SwordF-Official 644 49 3ms 20 Jun 2025 874th vezzick 643 112 10ms 4 Mar 2021 874th guilhem-roy 🇫🇷 643 112 11ms 28 Feb 2022 874th celiendonze 🇨🇭 643 112 9ms 18 Jul 2023 874th CutSandstone 643 112 11ms 4 Jul 2024 874th codingisgreatbutiamnot 643 112 10ms 7 Aug 2024 874th Upload-and-View 🇺🇦 643 112 9ms 21 Aug 2025 874th qpwoeirut 643 112 11ms 4 Sep 2025 First Prev 801–880 of 2,040 Next Last
