The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Evil Numbers 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 134th argusdusty 🇺🇸 976 41 10ms 27 Dec 2020 134th cesarm4 976 41 9ms 6 Jan 2021 134th rak1507 🇬🇧 976 41 10ms 25 Jan 2021 134th Shanethegamer 🇺🇸 976 41 10ms 10 Feb 2021 134th jameslindesay 976 41 10ms 24 Feb 2021 134th stordev 976 41 9ms 26 Feb 2021 134th Espiobest 976 41 9ms 13 Mar 2021 134th jascotm 976 41 9ms 8 Apr 2021 134th asheeri 976 41 9ms 18 Aug 2021 134th clementblaudeau 976 41 9ms 29 Aug 2021 134th jakzo 976 41 10ms 10 Sep 2021 134th CodyMiner 976 41 9ms 11 Nov 2021 134th CedricGebistorf 976 41 10ms 25 Feb 2022 134th Romain-1 🇫🇷 976 41 9ms 3 May 2022 134th tkr-sh 🇰🇵 976 41 10ms 13 Jul 2022 134th Mortis66666 976 41 9ms 14 Jul 2022 134th Bonjour27891 🇻🇳 976 41 9ms 14 Jul 2022 134th jaxmattfair 🇺🇸 976 41 9ms 5 Aug 2022 134th 051 🇸🇬 976 41 10ms 7 Aug 2022 134th ms-boom 976 41 9ms 12 Sep 2022 134th HrrrXppp 976 41 10ms 12 Sep 2022 134th trist224 🇫🇷 976 41 10ms 21 Sep 2022 134th Mikey-Beep 🇬🇧 976 41 9ms 21 Sep 2022 134th abba23 976 41 9ms 23 Sep 2022 134th andersk 🇺🇸 976 41 10ms 25 Oct 2022 134th Yareeeema 976 41 10ms 2 Nov 2022 134th fourth-bit 976 41 9ms 15 Nov 2022 134th TheBlupper 976 41 9ms 23 Nov 2022 134th QuincyNash 🇺🇸 976 41 10ms 30 Nov 2022 134th olivermrose 🇺🇸 976 41 9ms 5 Dec 2022 134th aksyristos 976 41 10ms 19 Dec 2022 134th shacharrr 976 41 10ms 20 Dec 2022 134th OrBenYosef 976 41 10ms 20 Dec 2022 134th nstearns96 🇬🇧 976 41 9ms 21 Dec 2022 134th nayakrujul 976 41 9ms 26 Dec 2022 134th scpchicken 🇵🇼 976 41 11ms 2 Jan 2023 134th emirps 976 41 10ms 30 Jan 2023 134th Skwerl23 976 41 10ms 5 Feb 2023 134th firegene 🇮🇪 976 41 10ms 1 Apr 2023 134th markusgraube 976 41 9ms 13 Apr 2023 134th ToriTheChicken 976 41 9ms 26 May 2023 134th jmerle 🇳🇱 976 41 9ms 5 Jul 2023 134th fkantelberg 976 41 10ms 22 Jul 2023 134th RYNO8 976 41 10ms 20 Aug 2023 134th Matgc04 976 41 9ms 22 Aug 2023 134th FortuiteMan 🇫🇷 976 41 10ms 14 Sep 2023 134th CameronGBell 976 41 9ms 28 Sep 2023 134th msbranicky 976 41 9ms 4 Oct 2023 134th htareque 976 41 9ms 5 Oct 2023 134th Player01osu 976 41 9ms 29 Oct 2023 134th MWI-polygolf 976 41 9ms 6 Dec 2023 134th thatbirdguythatuknownot 976 41 9ms 24 Jan 2024 134th pkilar43 976 41 9ms 9 Feb 2024 134th Just4FunCoder 976 41 10ms 17 Feb 2024 134th f-tucker 976 41 9ms 20 Feb 2024 134th sultan 976 41 10ms 3 Mar 2024 134th helbling 🇨🇭 976 41 10ms 11 Mar 2024 134th dokutan 976 41 9ms 11 Mar 2024 134th RobertHoeh 976 41 10ms 13 Apr 2024 134th HumanoidCPU 976 41 9ms 4 May 2024 134th stertooy 🇧🇪 976 41 10ms 9 Jun 2024 134th cuboids 976 41 10ms 10 Jul 2024 134th Terobero 976 41 10ms 26 Aug 2024 134th hiichbindermax 976 41 11ms 17 Sep 2024 134th Apzyte-Gamer 976 41 10ms 10 Oct 2024 134th Emutis 🇱🇹 976 41 12ms 13 Oct 2024 134th Stockoh 🇫🇷 976 41 9ms 17 Nov 2024 134th JunkIce 976 41 10ms 25 Nov 2024 134th croc54 976 41 9ms 13 Dec 2024 134th klixel 🇨🇦 976 41 9ms 18 Jan 2025 134th ImpressedByRocks 976 41 10ms 24 Jan 2025 134th FEZfan 🇦🇺 976 41 10ms 9 Jul 2025 134th RaBa21 🇭🇺 976 41 10ms 10 Jul 2025 134th Flekay 🇩🇪 976 41 10ms 10 Jul 2025 134th Bulmenisaurus 976 41 9ms 11 Jul 2025 134th xiaoyiming123 976 41 10ms 12 Jul 2025 134th albanian-laundromat 976 41 9ms 4 Oct 2025 134th jacekwladzinski 976 41 9ms 9 Oct 2025 134th 09cf 976 41 10ms 23 days ago 134th LostSyntax21 🇬🇧 976 41 9ms 12 days ago First Prev 161–240 of 1,291 Next 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