The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Leyland 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 319th TJK-S 554 112 10ms 17 days ago 322nd OppositeShark 549 113 9ms 20 Jul 2022 322nd codewrite 🇬🇧 549 113 10ms 13 Jul 2025 324th vprab 544 114 9ms 18 Dec 2020 324th Europe2048 544 114 9ms 5 Sep 2025 324th cthierfelder 🇲🇨 544 114 9ms 6 Sep 2025 327th SlicesOfficial 539 115 10ms 16 Oct 2021 327th Jaydosu 539 115 9ms 26 Jun 2024 329th wrhm 534 116 9ms 13 Dec 2020 329th orifu 534 116 10ms 25 Jun 2021 329th hymanimy 534 116 10ms 22 Jul 2021 332nd petar-donchev 530 117 9ms 5 Dec 2021 332nd Jaca1878 530 117 11ms 9 May 2022 334th pmooreh 525 118 9ms 19 Aug 2022 335th WilliamBate 521 119 10ms 18 Aug 2020 335th shraiwi 521 119 9ms 7 Mar 2021 335th DynamiteBear 521 119 10ms 25 Nov 2022 338th eggplants 🇯🇵 517 120 11ms 26 Nov 2020 338th Ripick 517 120 10ms 22 May 2025 340th nooberitess 512 121 10ms 8 Apr 2025 341st 1231234md5 🇨🇳 508 122 9ms 10 Dec 2023 341st qwjhvbxi 508 122 10ms 7 Feb 2024 343rd twocatsinatrenchcoat 504 123 9ms 5 May 2022 344th vonKrafft 500 124 9ms 18 Sep 2020 345th drewhead118 496 125 10ms 30 May 2022 345th ComputerKWasTaken 🇺🇸 496 125 10ms 5 Sep 2024 347th Zhenyu-Bo 488 127 9ms 31 Jul 2025 348th mhenion8293 🇺🇸 481 129 17ms 19 Jan 2022 349th brimstonetrader 477 130 10ms 22 Jan 2024 350th dillon-duncando 473 131 9ms 3 Oct 2022 351st mbittner20 470 132 9ms 11 Jul 2024 352nd DarkTemplar5 463 134 9ms 11 Oct 2020 353rd xkacer 🇨🇿 453 137 14ms 30 Jan 2021 354th SURAJMITTAL 428 145 10ms 19 Dec 2024 355th Bananapants22 403 154 10ms 30 Aug 2022 355th kevinnaviapaiva 403 154 9ms 26 Feb 2025 357th jstechman 395 157 11ms 25 Feb 2024 358th felixcroc 383 162 37ms 16 Apr 2022 359th Upload-and-View 🇺🇦 356 174 10ms 25 Aug 2025 360th arinhyther 333 186 10ms 30 Dec 2022 361st NoneTheFewer 291 213 10ms 17 May 2024 362nd glf818 279 222 9ms 22 Jul 2021 363rd szmeku 251 247 9ms 5 Feb 2021 364th fl3ur1nestimable 225 276 9ms 3 Apr 2022 365th WilliamRhind123 207 300 11ms 9 days ago 366th alfonsoalves 154 402 337ms 20 Jul 2024 367th HumanoidCPU 131 474 9ms 7 May 2024 368th NanduBC 69 898 10ms 18 Mar 2021 368th enbyte 69 898 9ms 10 Jun 2021 368th theunofficialcoder 69 898 11ms 3 Aug 2021 368th bwat2 69 898 9ms 6 Nov 2021 368th karhuthebear 69 898 9ms 10 May 2022 368th andre-de-lorde 69 898 10ms 7 Sep 2022 368th retrohun 69 898 9ms 28 Dec 2022 375th mothcolada 🇺🇸 62 1,000 10ms 27 Jan 2021 375th KatieLG-Transpiler 🇬🇧 62 1,000 9ms 23 Jun 2022 375th zt14427 62 1,000 9ms 18 Nov 2023 378th ro011110ot 61 1,017 10ms 25 Aug 2025 379th AidanWalter 56 1,110 10ms 3 Jan 2025 First Prev 321–379 of 379
