The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Look and Say in Python in chars. 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 Chars Time Submitted 79th bizy-coder 690 87 10ms 5 Sep 2024 79th JunkIce 690 87 13ms 3 Dec 2024 83rd sisyphus-ppcg 🇦🇺 682 88 15ms 2 Dec 2020 83rd kops-cg 682 88 17ms 11 Apr 2021 83rd jared-hughes 682 88 15ms 7 Jul 2022 83rd bricknellj 682 88 15ms 7 Feb 2023 83rd Fracture17 682 88 15ms 12 Apr 2023 83rd zacjl 682 88 16ms 19 Apr 2023 83rd StefanHabel 🇨🇦 682 88 15ms 17 Sep 2023 83rd bzijlema 🇳🇱 682 88 16ms 30 Nov 2023 83rd 051 🇸🇬 682 88 14ms 26 Dec 2023 83rd FCORMERAIS 682 88 9ms 7 Mar 2024 83rd CaedenHarper 🇨🇦 682 88 15ms 2 Aug 2024 83rd Bulmenisaurus 682 88 15ms 10 Nov 2024 83rd ryyyn 🇺🇸 682 88 15ms 11 Jun 2025 83rd edsrzf 🇳🇿 682 88 15ms 12 Jun 2025 83rd Lv0Sys 🇵🇱 682 88 16ms 22 Jun 2025 83rd xDragoxboi 682 88 15ms 30 Jun 2025 83rd blaztoma 🇱🇹 682 88 15ms 1 Oct 2025 83rd Babafaba 682 88 16ms 18 Oct 2025 83rd ApoChagi 682 88 15ms 18 Oct 2025 102nd stefangimmillaro 674 89 15ms 15 May 2022 102nd jipsong 🇩🇪 674 89 14ms 21 Jul 2024 102nd croc54 674 89 10ms 28 Nov 2024 105th nullie 667 90 15ms 9 Jun 2022 105th FortuiteMan 🇫🇷 667 90 16ms 14 Jul 2025 105th jacekwladzinski 667 90 14ms 4 Oct 2025 108th fourth-bit 659 91 15ms 12 Nov 2022 108th mathisfun271 659 91 15ms 13 Feb 2024 110th 77Tigers 652 92 10ms 19 Feb 2021 110th smartiel 652 92 10ms 18 Sep 2022 110th alexeldridge 652 92 10ms 10 Aug 2024 113th jm600 645 93 10ms 17 Apr 2022 113th Kacarott 🇦🇺 645 93 14ms 26 Sep 2023 113th robin-scragg 645 93 9ms 27 Jun 2025 116th marcin7Cd 638 94 10ms 9 Dec 2020 116th Natanaelel 🇸🇪 638 94 15ms 22 Aug 2022 116th firegene 🇮🇪 638 94 9ms 4 Jan 2023 119th jascotm 632 95 19ms 6 May 2021 120th mokymok 🇺🇸 619 97 10ms 23 Jul 2021 120th jacklynnepenick 619 97 12ms 22 Aug 2021 120th SimonSieber 619 97 15ms 15 Dec 2022 120th thehylian 619 97 15ms 17 Sep 2023 120th rsgray 619 97 9ms 6 Jan 2024 120th retrohun 619 97 14ms 7 Dec 2024 126th janbehrens 🇩🇪 612 98 16ms 17 Jun 2023 126th ahmetdemirag 🇨🇾 612 98 10ms 7 Oct 2024 128th ludwig-n 606 99 10ms 5 Apr 2021 128th jhpaques 🇫🇷 606 99 10ms 29 Jul 2022 128th aksyristos 606 99 10ms 6 Feb 2023 128th TaserTheFox 🇺🇸 606 99 10ms 8 May 2023 128th suwat513 606 99 11ms 19 Jun 2023 128th quimey 606 99 15ms 26 Jun 2023 128th htareque 606 99 10ms 18 Nov 2023 128th RobertHoeh 606 99 11ms 2 Dec 2024 128th andrewjc2000 606 99 10ms 28 Feb 2025 128th cefqrn 606 99 10ms 10 Jul 2025 138th OllieBoyne 🇬🇧 600 100 9ms 17 Sep 2021 138th face0xff 600 100 14ms 19 Oct 2021 138th pascscha 600 100 14ms 28 Mar 2022 138th osmith93 600 100 11ms 28 Jun 2022 138th moustave 600 100 14ms 19 Nov 2024 138th TheZwierzLF 🇵🇱 600 100 10ms 25 May 2025 138th jtaxen 600 100 11ms 15 Oct 2025 145th ehulinsky 🇺🇸 594 101 11ms 10 Nov 2021 145th commandblockguy 🇺🇸 594 101 14ms 17 Nov 2023 145th hellwue 594 101 11ms 21 Jun 2024 145th hiichbindermax 594 101 10ms 21 Jun 2024 145th souta-1326 594 101 15ms 1 Apr 2025 150th AkashTandon167 588 102 11ms 2 Dec 2020 150th abba23 588 102 10ms 13 Jun 2021 150th olavaga 588 102 10ms 15 Aug 2021 150th Anonymousellama21 588 102 14ms 15 Jun 2022 150th Mikey-Beep 🇬🇧 588 102 12ms 17 Jun 2022 150th grave367 588 102 11ms 5 Mar 2023 150th msbranicky 588 102 12ms 10 Aug 2023 150th m42km 588 102 13ms 25 Nov 2023 150th eddvrs 588 102 10ms 22 Dec 2023 150th sultan 588 102 10ms 5 Mar 2024 150th Languag3 588 102 9ms 9 Oct 2024 First Prev 81–160 of 404 Next Last