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 481st m-tkach 🇺🇦 816 185 6ms 15 Jan 2025 482nd nwellnhof 🇩🇪 814 46 32ms 4 Oct 2021 483rd Steffan153 🇫🇮 813 92 6ms 4 May 2024 484th CLOStrophobic 🇮🇹 812 123 7ms 22 Feb 2025 485th boxjelly 810 94 116ms 7 Jan 2021 486th stefangimmillaro 809 89 15ms 15 May 2022 486th jipsong 🇩🇪 809 89 14ms 21 Jul 2024 486th croc54 809 89 10ms 28 Nov 2024 486th snoozingnewt 🇨🇦 809 89 14ms 16 Oct 2025 490th ovs-code 🇩🇪 807 69 12ms 19 Aug 2024 490th weeble 807 69 8ms 1 Jul 2025 492nd fuzzylojik-golf 🇺🇸 807 81 373ms 2 Jul 2025 493rd olleicua 🇺🇸 806 63 49ms 23 Mar 2024 494th MeWhenI 🇻🇦 806 110 2ms 10 Oct 2023 495th nwellnhof 🇩🇪 804 93 1ms 20 Dec 2020 495th NewDefectus 🇮🇱 804 93 2ms 8 May 2021 497th ovs-code 🇩🇪 803 95 13ms 30 Jun 2024 498th duckyluuk 🇳🇱 803 119 2ms 18 Jul 2024 498th FlyingPenguin223 803 119 2ms 18 Nov 2024 500th perlebach 🇨🇿 802 45 3ms 18 Aug 2021 500th JRaspass 🇬🇧 802 45 3ms 1 Sep 2021 502nd snoozingnewt 🇨🇦 802 66 110ms 19 Oct 2025 503rd primo-ppcg 🇹🇭 802 103 122ms 6 Aug 2024 504th Yax42 🇫🇷 802 111 389ms 15 Jun 2025 505th nullie 800 90 15ms 9 Jun 2022 505th DialFrost 🇸🇬 800 90 14ms 19 Jan 2024 505th FortuiteMan 🇫🇷 800 90 16ms 14 Jul 2025 505th jacekwladzinski 800 90 14ms 4 Oct 2025 509th perlebach 🇨🇿 799 103 3,117ms 10 Jun 2025 510th DialFrost 🇸🇬 797 82 365ms 22 Jan 2024 510th sean-niemann 🇺🇸 797 82 352ms 2 Jul 2025 512th jared-hughes 797 195 10ms 7 Jul 2024 513th stackofbears 796 47 32ms 25 Mar 2024 514th primo-ppcg 🇹🇭 796 75 2ms 13 Nov 2022 514th clockworknazo 796 75 9ms 14 Nov 2022 516th inventshah 796 94 1ms 24 Jan 2023 517th sisyphus-ppcg 🇦🇺 796 120 2ms 8 Apr 2022 518th ovs-code 🇩🇪 795 94 6ms 11 Dec 2023 519th galloj 🇨🇿 794 62 11ms 10 Sep 2022 519th kritixilithos 794 62 12ms 27 May 2024 521st Marin-Kitagawa 794 64 37ms 18 Jul 2021 521st ndren 794 64 39ms 29 Aug 2023 523rd elisherer 🇮🇱 793 73 9ms 2 Jan 2021 523rd dylanarmstrong 793 73 9ms 22 Jan 2024 525th primo-ppcg 🇹🇭 792 134 40ms 4 Jan 2024 526th GolfingSuccess 🇬🇷 791 91 11ms 26 Nov 2021 526th fourth-bit 791 91 15ms 12 Nov 2022 526th mathisfun271 791 91 15ms 13 Feb 2024 526th duckyluuk 🇳🇱 791 91 17ms 17 Jul 2024 530th MeWhenI 🇻🇦 791 93 1,180ms 2 Oct 2022 531st emplv 🇱🇻 789 64 130ms 29 Oct 2024 532nd pardouin 🇫🇷 788 83 354ms 23 Jun 2024 532nd duckyluuk 🇳🇱 788 83 359ms 17 Jul 2024 532nd emgordon154 788 83 390ms 19 Apr 2025 535th ovs-code 🇩🇪 788 113 314ms 24 Aug 2023 536th MeWhenI 🇻🇦 788 132 515ms 7 Nov 2025 537th albanian-laundromat 787 76 820ms 5 days ago 538th jipsong 🇩🇪 785 97 116ms 12 Jul 2024 539th lynn 785 108 107ms 18 May 2021 540th 77Tigers 783 92 10ms 19 Feb 2021 540th Irratix 🇳🇱 783 92 14ms 25 Apr 2022 540th smartiel 783 92 10ms 18 Sep 2022 540th alexeldridge 783 92 10ms 10 Aug 2024 544th jipsong 🇩🇪 783 153 263ms 13 Jun 2024 545th DaCuteRaccoon 782 65 44ms 23 Apr 2022 546th lynn 780 48 33ms 19 Apr 2021 547th AlephSquirrel 780 128 5ms 21 Jan 2025 548th SirBogman 🇺🇸 780 136 39ms 19 Oct 2023 549th DialFrost 🇸🇬 778 36 42ms 1 Feb 2023 549th ndren 778 36 43ms 7 Aug 2023 549th snoozingnewt 🇨🇦 778 36 44ms 18 Sep 2023 549th TheCatGuy12321 778 36 42ms 26 Aug 2024 553rd ovs-code 🇩🇪 778 84 407ms 29 Apr 2024 554th Yewzir 🇧🇪 778 114 2ms 17 Oct 2023 555th annaproxy 777 98 114ms 28 Jan 2022 556th jm600 774 93 10ms 17 Apr 2022 556th MeWhenI 🇻🇦 774 93 19ms 25 Aug 2023 556th Kacarott 🇦🇺 774 93 14ms 26 Sep 2023 556th minhtrancccp 774 93 19ms 11 Jan 2024 560th stefangimmillaro 773 97 104ms 2 Jun 2023 First Prev 481–560 of 2,041 Next Last