The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Odious 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 319th glesnick 759 54 9ms 15 Sep 2022 319th Pena86 759 54 10ms 16 Sep 2022 319th michelebastione 🇮🇹 759 54 10ms 16 Sep 2022 319th estomagordo 🇳🇱 759 54 9ms 26 Oct 2022 319th myleopard 759 54 10ms 22 Dec 2022 319th mdnestor 759 54 9ms 28 Dec 2022 319th jaxmattfair 🇺🇸 759 54 11ms 14 Jan 2023 319th artieleach 759 54 9ms 15 Apr 2023 319th mbittner20 759 54 9ms 27 May 2023 319th camieac 🇬🇧 759 54 10ms 8 Jun 2023 319th Vaekor 759 54 12ms 9 Jul 2023 319th clemmers 🇺🇸 759 54 10ms 30 Jul 2023 319th b20fuji 759 54 9ms 18 Oct 2023 319th TinyTheBrontosaurus 759 54 10ms 26 Nov 2023 319th Saaxxx 759 54 10ms 30 Nov 2023 319th Bergschaf 759 54 9ms 24 Dec 2023 319th j3mak 759 54 13ms 19 Jan 2024 319th FCORMERAIS 759 54 9ms 7 Mar 2024 319th Ralac07 🇦🇺 759 54 9ms 12 Jun 2024 319th Ythaenagor 759 54 10ms 5 Aug 2024 319th IoLimmer 759 54 10ms 19 Aug 2024 319th CyberTapir 759 54 11ms 28 Aug 2024 319th JesseNoEyes 🇺🇸 759 54 10ms 2 Oct 2024 319th RedzGoose 🇦🇺 759 54 10ms 14 Oct 2024 319th SURAJMITTAL 759 54 9ms 19 Dec 2024 319th yokasuretsu 759 54 10ms 5 Jan 2025 319th CodyKlingler 759 54 10ms 7 Feb 2025 319th WillowWispy 759 54 10ms 14 Mar 2025 319th TheZwierzLF 🇵🇱 759 54 10ms 21 May 2025 319th AstroOrbis 759 54 10ms 16 Jul 2025 319th navier-1 759 54 9ms 23 Sep 2025 319th Andre3582 759 54 10ms 3 Oct 2025 319th Code-Coder-coder 759 54 10ms 11 Oct 2025 354th PhysicDev 🇫🇷 745 55 9ms 13 Oct 2022 354th fgrosshans 🇫🇷 745 55 10ms 6 Nov 2022 354th eddvrs 745 55 11ms 20 Dec 2023 354th BLD933 🇲🇦 745 55 11ms 11 Sep 2024 354th ComputerKWasTaken 🇺🇸 745 55 10ms 16 Sep 2024 354th gsprochette 745 55 10ms 21 Aug 2025 360th Feniske 🇫🇷 732 56 9ms 7 Oct 2022 360th Andrey135296 732 56 11ms 25 Oct 2022 360th Anthony-Williams-06 732 56 10ms 1 Dec 2022 360th OrBenYosef 732 56 9ms 20 Dec 2022 360th tknight00 732 56 10ms 15 Feb 2024 360th hippopotam00sehead 🇨🇦 732 56 10ms 12 Sep 2024 360th julian-hoelz 732 56 10ms 16 Sep 2024 360th Pyroan 732 56 17ms 25 Feb 2025 360th jiji7879 732 56 10ms 20 Jun 2025 360th 123mjb 732 56 10ms 17 Nov 2025 370th NoahBolohan 🇨🇦 719 57 16ms 15 Feb 2023 370th gbutler01 719 57 9ms 5 May 2023 370th r-i-c-e 719 57 9ms 5 Jul 2023 370th 11robert11 719 57 12ms 30 Jul 2023 370th MisterrLuck 719 57 10ms 7 Sep 2023 370th Mr-McChicken 719 57 10ms 18 Oct 2023 370th Eugen-str 719 57 9ms 31 Oct 2023 370th luca1339 719 57 10ms 2 Apr 2024 370th thienudomsrirungruang 719 57 16ms 26 Apr 2024 370th Rex-xeR 719 57 10ms 3 Jul 2024 370th islptng 719 57 17ms 7 Jul 2025 370th TJK-S 719 57 10ms 2 Nov 2025 382nd DrPiranoid 707 58 11ms 16 Oct 2022 382nd Natanaelel 🇸🇪 707 58 16ms 14 Jul 2023 382nd bh2smith 707 58 9ms 8 May 2024 382nd christensendaniel 707 58 36ms 15 May 2024 382nd EvyGithub 707 58 10ms 17 May 2024 382nd SOONwasTaken 707 58 9ms 19 Mar 2025 382nd webmiche 707 58 11ms 3 Nov 2025 389th mhorton86 695 59 10ms 11 Oct 2022 389th jacksonhenry3 695 59 10ms 2 Dec 2022 389th Igyeom 🇰🇷 695 59 10ms 9 Jun 2023 389th fourth-bit 695 59 55ms 2 Jul 2024 389th ihatethefrench 695 59 16ms 5 Jan 2025 389th kevinnaviapaiva 695 59 10ms 25 Feb 2025 389th hhjellup 695 59 10ms 18 Jul 2025 389th countlpaul-dotcom 695 59 11ms 19 Oct 2025 389th Matter1024 🇮🇳 695 59 10ms 15 Nov 2025 398th dylanjones92 683 60 10ms 25 Jan 2024 398th Upload-and-View 🇺🇦 683 60 11ms 26 Aug 2025 398th 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