The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Leyland Numbers 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 721st clockworknazo 704 109 24ms 10 Mar 2023 722nd sk- 703 86 12ms 11 Sep 2020 722nd Loag 703 86 11ms 14 Nov 2021 722nd msbranicky 703 86 10ms 23 Jul 2023 722nd aalec 703 86 15ms 25 Apr 2024 726th michelebastione 🇮🇹 703 161 428ms 20 Jul 2024 727th btjones0 702 170 217ms 31 Dec 2020 728th MeWhenI 🇻🇦 701 139 566ms 4 Mar 2022 729th snoozingnewt 🇨🇦 699 93 755ms 13 Oct 2025 730th snoozingnewt 🇨🇦 699 114 3ms 13 Oct 2025 731st GolfingSuccess 🇬🇷 699 151 2ms 26 Oct 2023 732nd albanian-laundromat 698 87 3ms 11 days ago 733rd o0lit3 🇺🇸 697 60 3ms 8 Oct 2020 734th jared-hughes 697 96 9ms 29 Oct 2021 734th zakariamouhid 697 96 9ms 21 Jun 2023 734th Maznek 697 96 72ms 10 Jul 2023 734th two-bad 🇬🇧 697 96 9ms 6 Feb 2024 738th HCRitter 🇩🇪 696 81 321ms 31 Oct 2023 739th akshatj27 🇦🇶 695 61 42ms 11 Jan 2022 739th orthoplex 🇨🇽 695 61 38ms 1 Apr 2022 739th OhmNomNom 695 61 38ms 14 Oct 2022 742nd jiaminglimjm 🇲🇾 695 87 9ms 12 Sep 2020 742nd Pena86 695 87 10ms 19 Feb 2021 742nd osmith93 695 87 10ms 31 Jul 2021 742nd roytu 695 87 12ms 30 May 2022 742nd fkantelberg 695 87 10ms 18 Jul 2023 742nd iczelia 🇩🇪 695 87 10ms 19 Oct 2025 742nd Emutis 🇱🇹 695 87 10ms 2 Nov 2025 742nd madeforlosers 695 87 612ms 13 Nov 2025 750th Shanethegamer 🇺🇸 695 101 4ms 6 Apr 2023 751st AlephSquirrel 695 107 4ms 20 Apr 2023 752nd lifthrasiir 🇰🇷 694 50 2ms 28 Nov 2024 753rd vgamula 🇺🇦 694 167 30ms 25 Jan 2024 754th primo-ppcg 🇹🇭 693 62 798ms 25 Aug 2020 754th Yewzir 🇧🇪 693 62 778ms 28 Feb 2024 756th m-tkach 🇺🇦 692 109 2ms 4 Feb 2024 757th PatrickStephansen 🇿🇦 690 97 9ms 10 Sep 2020 757th alasdair-greenland 690 97 9ms 19 Nov 2021 757th nakatchi 690 97 9ms 27 Feb 2024 760th DialFrost 🇸🇬 690 139 117ms 10 Nov 2025 761st Andriamanitra 🇫🇮 689 108 4ms 13 Jun 2024 762nd CaedenHarper 🇨🇦 688 216 268ms 12 Nov 2025 763rd hjcafaroUC 687 88 11ms 26 Jul 2020 763rd argusdusty 🇺🇸 687 88 10ms 27 Dec 2020 763rd richard-oelze 🇩🇪 687 88 15ms 6 Feb 2021 763rd fynnkroeger 687 88 16ms 8 Feb 2021 763rd pengu1n-master 687 88 12ms 11 Oct 2021 763rd mathisfun271 687 88 9ms 1 Nov 2021 763rd petroselo 687 88 9ms 13 Apr 2022 763rd dalamajama 687 88 4,386ms 17 Aug 2023 763rd chartung17 687 88 11ms 14 Jan 2024 763rd WillConker 687 88 9ms 10 Mar 2024 773rd Shanethegamer 🇺🇸 687 116 2ms 2 Mar 2023 774th emgordon154 686 84 135ms 9 Aug 2024 775th JunkIce 685 84 552ms 3 Dec 2024 776th emgordon154 684 62 37ms 13 Nov 2021 776th jared-hughes 684 62 50ms 20 Sep 2022 778th MeWhenI 🇻🇦 684 90 873ms 12 May 2023 779th tigerdan2 🇩🇪 684 179 484ms 18 days ago 780th janlelis 683 98 9ms 10 Feb 2021 780th nathanadams 🇳🇿 683 98 9ms 18 Aug 2021 780th weliveinhell 🇭🇹 683 98 10ms 23 Oct 2023 783rd bac0id 683 182 2,967ms 11 Jan 2025 784th WhoisDavid 682 175 211ms 11 Oct 2020 785th arctouch-cristiannevianna 681 166 340ms 15 Jun 2023 786th Msleizak 🇫🇷 679 83 3,624ms 12 Dec 2023 786th snoozingnewt 🇨🇦 679 83 240ms 13 Oct 2025 788th The3gs 679 89 9ms 29 Aug 2020 788th geofft 679 89 9ms 11 Dec 2020 788th b4dpxl 679 89 10ms 9 Nov 2021 788th AbelPelser 679 89 21ms 3 Jul 2022 788th TaserTheFox 🇺🇸 679 89 10ms 28 Feb 2023 788th CheeseCake628 🇳🇴 679 89 9ms 6 Mar 2023 788th ssbhatt4321 679 89 11ms 14 Oct 2023 795th Ripick 679 122 165ms 23 May 2025 796th astdefu 679 183 2,709ms 8 Dec 2022 797th vgamula 🇺🇦 678 114 8ms 26 Jan 2024 798th roavin 677 167 398ms 24 Jun 2022 798th Yewzir 🇧🇪 677 167 346ms 9 May 2023 800th daisy-lau 676 99 9ms 31 Jul 2020 First Prev 721–800 of 1,844 Next Last