The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Evil Numbers (Long) in all languages 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 641st sean-niemann 🇺🇸 873 50 2ms 8 Oct 2024 642nd JayXon 🇺🇸 873 54 37ms 8 Sep 2022 643rd emgordon154 873 78 102ms 19 days ago 643rd GolfingSuccess 🇬🇷 873 78 115ms 19 days ago 645th ovs-code 🇩🇪 872 41 63ms 11 days ago 646th MeWhenI 🇻🇦 872 75 56ms 6 Sep 2022 646th jared-hughes 872 75 48ms 8 Sep 2022 646th Alex-x90 🇺🇸 872 75 58ms 9 Sep 2022 646th BlankSpruce 872 75 55ms 14 Sep 2022 646th janbehrens 🇩🇪 872 75 51ms 20 Nov 2022 646th Irratix 🇳🇱 872 75 52ms 15 Dec 2022 646th DialFrost 🇸🇬 872 75 53ms 1 Sep 2023 646th Yewzir 🇧🇪 872 75 60ms 14 Oct 2023 646th Betuaredead 872 75 58ms 12 Nov 2023 646th Mandrzejy 🇵🇱 872 75 49ms 17 Apr 2024 646th luuumine 🇫🇷 872 75 58ms 8 Nov 2025 657th JayXon 🇺🇸 872 119 1,820ms 14 Sep 2025 657th emgordon154 872 119 2,093ms 23 hours ago 659th HPWiz 🇳🇿 871 20 2ms 22 Feb 2025 660th rucin93 🇵🇱 871 45 5ms 4 Jul 2023 660th sisyphus-ppcg 🇦🇺 871 45 5ms 23 Nov 2023 660th targrik 871 45 5ms 31 Oct 2025 663rd KatieLG 🇬🇧 870 43 9ms 21 Oct 2022 663rd Maznek 870 43 9ms 17 Sep 2023 663rd MWI-polygolf 870 43 9ms 6 Dec 2023 666th smw5qz 870 46 10ms 9 Sep 2022 666th gXLg 🇩🇪 870 46 10ms 21 Oct 2022 666th SniperSmiley 🇺🇸 870 46 17ms 13 Dec 2022 666th TaserTheFox 🇺🇸 870 46 10ms 9 Jan 2023 666th SirFireball3521 870 46 10ms 4 Feb 2023 666th AlexanderFair 870 46 10ms 12 Jul 2023 666th ListeriaM 870 46 9ms 25 Aug 2023 666th retrohun 870 46 10ms 29 Mar 2024 666th elgan65536 870 46 10ms 30 Mar 2024 666th wuzekai518 870 46 10ms 18 Jun 2024 666th Bulmenisaurus 870 46 9ms 8 Jul 2024 666th lifthrasiir 🇰🇷 870 46 10ms 14 Nov 2024 666th qpwoeirut 870 46 10ms 13 Aug 2025 679th primo-ppcg 🇹🇭 870 154 12ms 13 Aug 2025 680th MeWhenI 🇻🇦 869 45 102ms 6 Sep 2022 680th DialFrost 🇸🇬 869 45 95ms 24 Aug 2024 682nd Steffan153 🇫🇮 869 58 1,287ms 3 Jan 2023 682nd MeWhenI 🇻🇦 869 58 1,276ms 7 Jun 2023 682nd fuzzylojik-golf 🇺🇸 869 58 1,276ms 2 Sep 2025 685th ovs-code 🇩🇪 868 40 363ms 15 Jan 2024 685th DialFrost 🇸🇬 868 40 339ms 15 Jan 2024 685th rucin93 🇵🇱 868 40 342ms 15 Jan 2024 685th sisyphus-ppcg 🇦🇺 868 40 343ms 17 Jan 2024 685th xsot 🇸🇬 868 40 338ms 25 Jan 2024 685th Yewzir 🇧🇪 868 40 341ms 4 Feb 2024 685th lynn 868 40 357ms 17 Feb 2024 685th b-illy 🇬🇧 868 40 361ms 7 Sep 2024 685th fuzzylojik-golf 🇺🇸 868 40 347ms 30 May 2025 685th CornerMercury 🇬🇧 868 40 338ms 12 Oct 2025 685th Babafaba 868 40 360ms 26 Nov 2025 685th CaedenHarper 🇨🇦 868 40 337ms 20 days ago 697th steffan-polygolf 868 49 2ms 23 Feb 2023 697th MWI-polygolf 868 49 2ms 29 Dec 2023 699th Steffan153 🇫🇮 865 62 80ms 10 Dec 2022 700th dokutan 864 40 674ms 30 Aug 2025 700th CaedenHarper 🇨🇦 864 40 685ms 9 Sep 2025 700th albanian-laundromat 864 40 662ms 12 Sep 2025 700th edsrzf 🇳🇿 864 40 669ms 18 Sep 2025 700th pardouin 🇫🇷 864 40 675ms 24 days ago 705th jared-hughes 863 123 11ms 18 Dec 2024 706th rucin93 🇵🇱 862 54 2ms 19 Jun 2023 706th biocommando 🇫🇮 862 54 3ms 19 Aug 2023 706th DialFrost 🇸🇬 862 54 264ms 18 Dec 2024 709th blaztoma 🇱🇹 862 79 103ms 25 days ago 709th DialFrost 🇸🇬 862 79 99ms 23 days ago 709th snoozingnewt 🇨🇦 862 79 93ms 12 days ago 712th janbehrens 🇩🇪 862 86 271ms 7 Sep 2022 712th 0xjac 🇨🇭 862 86 269ms 17 Jun 2025 712th CaedenHarper 🇨🇦 862 86 257ms 5 Oct 2025 715th emgordon154 862 126 463ms 20 Mar 2025 715th MeWhenI 🇻🇦 862 126 486ms 28 Mar 2025 717th btnlq 861 58 122ms 15 Oct 2023 718th MeWhenI 🇻🇦 861 66 117ms 6 Sep 2022 718th wuzekai518 861 66 121ms 18 Jun 2024 720th DialFrost 🇸🇬 859 156 12ms 13 Aug 2025 First Prev 641–720 of 2,733 Next Last