The Calendar hole will go live in approximately 6 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 481st CLOStrophobic 🇮🇹 812 123 7ms 22 Feb 2025 482nd Mukundan314 810 60 39ms 7 hours ago 483rd boxjelly 810 94 116ms 7 Jan 2021 484th stefangimmillaro 809 89 15ms 15 May 2022 484th jipsong 🇩🇪 809 89 14ms 21 Jul 2024 484th croc54 809 89 10ms 28 Nov 2024 484th snoozingnewt 🇨🇦 809 89 14ms 16 Oct 2025 488th ovs-code 🇩🇪 807 69 12ms 19 Aug 2024 488th weeble 807 69 8ms 1 Jul 2025 490th fuzzylojik-golf 🇺🇸 807 81 373ms 2 Jul 2025 491st olleicua 🇺🇸 806 63 49ms 23 Mar 2024 492nd MeWhenI 🇻🇦 806 110 2ms 10 Oct 2023 493rd nwellnhof 🇩🇪 804 93 1ms 20 Dec 2020 493rd NewDefectus 🇮🇱 804 93 2ms 8 May 2021 495th ovs-code 🇩🇪 803 95 13ms 30 Jun 2024 496th duckyluuk 🇳🇱 803 119 2ms 18 Jul 2024 496th FlyingPenguin223 803 119 2ms 18 Nov 2024 498th perlebach 🇨🇿 802 45 3ms 18 Aug 2021 498th JRaspass 🇬🇧 802 45 3ms 1 Sep 2021 500th snoozingnewt 🇨🇦 802 66 110ms 19 Oct 2025 501st primo-ppcg 🇹🇭 802 103 122ms 6 Aug 2024 502nd Yax42 🇫🇷 802 111 389ms 15 Jun 2025 503rd nullie 800 90 15ms 9 Jun 2022 503rd DialFrost 🇸🇬 800 90 14ms 19 Jan 2024 503rd FortuiteMan 🇫🇷 800 90 16ms 14 Jul 2025 503rd jacekwladzinski 800 90 14ms 4 Oct 2025 507th perlebach 🇨🇿 799 103 3,117ms 10 Jun 2025 508th DialFrost 🇸🇬 797 82 365ms 22 Jan 2024 508th sean-niemann 🇺🇸 797 82 352ms 2 Jul 2025 510th jared-hughes 797 195 10ms 7 Jul 2024 511th stackofbears 796 47 32ms 25 Mar 2024 512th primo-ppcg 🇹🇭 796 75 2ms 13 Nov 2022 512th clockworknazo 796 75 9ms 14 Nov 2022 514th inventshah 796 94 1ms 24 Jan 2023 515th sisyphus-ppcg 🇦🇺 796 120 2ms 8 Apr 2022 516th ovs-code 🇩🇪 795 94 6ms 11 Dec 2023 517th galloj 🇨🇿 794 62 11ms 10 Sep 2022 517th kritixilithos 794 62 12ms 27 May 2024 519th Marin-Kitagawa 794 64 37ms 18 Jul 2021 519th ndren 794 64 39ms 29 Aug 2023 521st elisherer 🇮🇱 793 73 9ms 2 Jan 2021 521st dylanarmstrong 793 73 9ms 22 Jan 2024 523rd primo-ppcg 🇹🇭 792 134 40ms 4 Jan 2024 524th GolfingSuccess 🇬🇷 791 91 11ms 26 Nov 2021 524th fourth-bit 791 91 15ms 12 Nov 2022 524th mathisfun271 791 91 15ms 13 Feb 2024 524th duckyluuk 🇳🇱 791 91 17ms 17 Jul 2024 528th MeWhenI 🇻🇦 791 93 1,180ms 2 Oct 2022 529th emplv 🇱🇻 789 64 130ms 29 Oct 2024 530th pardouin 🇫🇷 788 83 354ms 23 Jun 2024 530th duckyluuk 🇳🇱 788 83 359ms 17 Jul 2024 530th emgordon154 788 83 390ms 19 Apr 2025 533rd ovs-code 🇩🇪 788 113 314ms 24 Aug 2023 534th MeWhenI 🇻🇦 788 132 515ms 7 Nov 2025 535th albanian-laundromat 787 76 820ms 42 hours ago 536th jipsong 🇩🇪 785 97 116ms 12 Jul 2024 537th lynn 785 108 107ms 18 May 2021 538th 77Tigers 783 92 10ms 19 Feb 2021 538th Irratix 🇳🇱 783 92 14ms 25 Apr 2022 538th smartiel 783 92 10ms 18 Sep 2022 538th alexeldridge 783 92 10ms 10 Aug 2024 542nd jipsong 🇩🇪 783 153 263ms 13 Jun 2024 543rd DaCuteRaccoon 781 65 44ms 23 Apr 2022 544th lynn 780 48 33ms 19 Apr 2021 545th AlephSquirrel 780 128 5ms 21 Jan 2025 546th SirBogman 🇺🇸 780 136 39ms 19 Oct 2023 547th DialFrost 🇸🇬 778 36 42ms 1 Feb 2023 547th ndren 778 36 43ms 7 Aug 2023 547th snoozingnewt 🇨🇦 778 36 44ms 18 Sep 2023 547th TheCatGuy12321 778 36 42ms 26 Aug 2024 551st ovs-code 🇩🇪 778 84 407ms 29 Apr 2024 552nd Yewzir 🇧🇪 778 114 2ms 17 Oct 2023 553rd annaproxy 777 98 114ms 28 Jan 2022 554th jm600 774 93 10ms 17 Apr 2022 554th MeWhenI 🇻🇦 774 93 19ms 25 Aug 2023 554th Kacarott 🇦🇺 774 93 14ms 26 Sep 2023 554th minhtrancccp 774 93 19ms 11 Jan 2024 558th stefangimmillaro 773 97 104ms 2 Jun 2023 559th gifti258 773 102 70ms 18 Sep 2023 560th emgordon154 773 130 94ms 21 days ago First Prev 481–560 of 2,038 Next Last