The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Evil Numbers (Long) in Python 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 400th eshilo-draper 732 56 11ms 11 Sep 2022 400th michelebastione 🇮🇹 732 56 9ms 12 Sep 2022 400th HallMatthew314 732 56 10ms 14 Sep 2022 400th johndixon01 732 56 10ms 22 Sep 2022 400th mosho-p 732 56 10ms 11 Oct 2022 400th PhysicDev 🇫🇷 732 56 10ms 13 Oct 2022 400th DrPiranoid 732 56 10ms 16 Oct 2022 400th estomagordo 🇳🇱 732 56 10ms 26 Oct 2022 400th PYRiTEmonark 732 56 11ms 29 Nov 2022 400th Anthony-Williams-06 732 56 11ms 1 Dec 2022 400th mdnestor 732 56 9ms 23 Dec 2022 400th NoahBolohan 🇨🇦 732 56 16ms 15 Feb 2023 400th artieleach 732 56 10ms 15 Apr 2023 400th A-Dummo 732 56 10ms 28 May 2023 400th TinyTheBrontosaurus 732 56 10ms 26 Nov 2023 400th jayadithya-v 732 56 10ms 6 Jan 2024 400th j3mak 732 56 10ms 19 Jan 2024 400th zwxzwxzwx21 732 56 10ms 30 Jan 2024 400th tknight00 732 56 10ms 19 Mar 2024 400th Alex-Huggett 🇬🇧 732 56 10ms 13 Apr 2024 400th thienudomsrirungruang 732 56 16ms 26 Apr 2024 400th CutSandstone 732 56 10ms 2 Jul 2024 400th Ythaenagor 732 56 10ms 5 Aug 2024 400th IoLimmer 732 56 12ms 19 Aug 2024 400th CyberTapir 732 56 10ms 28 Aug 2024 400th julian-hoelz 732 56 11ms 16 Sep 2024 400th gallium-gonzollium 732 56 10ms 2 Nov 2024 400th Pyroan 732 56 17ms 25 Feb 2025 400th WillowWispy 732 56 10ms 14 Mar 2025 400th aaardwark 732 56 11ms 30 May 2025 400th jiji7879 732 56 10ms 20 Jun 2025 400th benvreeves 732 56 10ms 28 Jul 2025 400th lokeshllkumar 732 56 10ms 26 Sep 2025 400th Mr-McChicken 732 56 10ms 4 Oct 2025 400th 123mjb 732 56 10ms 17 Nov 2025 400th TheAtrossian 732 56 10ms 17 days ago 437th Andrey135296 719 57 10ms 25 Oct 2022 437th fgrosshans 🇫🇷 719 57 10ms 6 Nov 2022 437th UltimateGuy0987 719 57 9ms 8 Nov 2022 437th Pimveha 719 57 10ms 12 Jan 2023 437th gbutler01 719 57 10ms 5 May 2023 437th mbittner20 719 57 9ms 27 May 2023 437th camieac 🇬🇧 719 57 9ms 8 Jun 2023 437th r-i-c-e 719 57 10ms 5 Jul 2023 437th latvianfarmer17 🇱🇻 719 57 10ms 20 Jul 2023 437th clemmers 🇺🇸 719 57 10ms 30 Jul 2023 437th MisterrLuck 719 57 10ms 7 Sep 2023 437th b20fuji 719 57 10ms 18 Oct 2023 437th Eugen-str 719 57 10ms 31 Oct 2023 437th askipio 719 57 9ms 22 Nov 2023 437th azure-blondon 719 57 10ms 18 Dec 2023 437th Bergschaf 719 57 11ms 24 Dec 2023 437th luca1339 719 57 10ms 9 May 2024 437th Rex-xeR 719 57 10ms 3 Jul 2024 437th holmest14 719 57 10ms 6 Aug 2024 437th ComputerKWasTaken 🇺🇸 719 57 10ms 16 Sep 2024 437th H4ppy-04 719 57 10ms 1 Dec 2024 437th SURAJMITTAL 719 57 10ms 18 Dec 2024 437th AKASme 719 57 10ms 6 Apr 2025 437th islptng 719 57 17ms 7 Jul 2025 437th gsprochette 719 57 11ms 22 Aug 2025 437th TJK-S 719 57 10ms 2 Nov 2025 437th HunterC14 719 57 17ms 17 Nov 2025 464th Feniske 🇫🇷 707 58 10ms 7 Oct 2022 464th omri2001 707 58 9ms 22 Oct 2022 464th shellbertt 🇨🇦 707 58 16ms 26 Feb 2023 464th Pyro569 707 58 10ms 29 Jul 2023 464th taesungh 707 58 12ms 15 Oct 2023 464th hotmanga 707 58 10ms 30 Oct 2023 464th christensendaniel 707 58 27ms 15 May 2024 464th hippopotam00sehead 🇨🇦 707 58 11ms 11 Sep 2024 464th kevinnaviapaiva 707 58 10ms 25 Feb 2025 473rd cooper-roper 695 59 28ms 28 Jun 2023 473rd mjthurst 695 59 10ms 23 Feb 2024 473rd bh2smith 695 59 11ms 8 May 2024 473rd Europe2048 695 59 11ms 2 Dec 2024 477th 00-kat 683 60 10ms 4 Dec 2022 477th EvyGithub 683 60 13ms 17 May 2024 477th HelloWorld-er 683 60 10ms 11 Oct 2024 477th 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