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 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 881st roavin 678 167 398ms 24 Jun 2022 881st Yewzir 🇧🇪 678 167 346ms 9 May 2023 883rd daisy-lau 677 99 9ms 31 Jul 2020 883rd BBoehm 🇩🇪 677 99 9ms 18 Feb 2021 883rd didion0 🇺🇸 677 99 9ms 7 May 2021 883rd inventshah 677 99 9ms 6 May 2022 883rd LukeBridges 🇬🇧 677 99 8ms 24 Oct 2022 883rd madeforlosers 677 99 10ms 6 Nov 2023 883rd alexsave 677 99 9ms 29 Oct 2024 883rd Lv0Sys 🇵🇱 677 99 9ms 15 days ago 891st DialFrost 🇸🇬 677 118 3ms 13 Apr 2025 892nd msbranicky 677 142 131ms 1 Jan 2024 893rd NewDefectus 🇮🇱 677 156 2ms 23 Jun 2021 894th Yax42 🇫🇷 677 181 488ms 7 Oct 2025 895th mathwiz42 676 105 10ms 18 Aug 2020 895th PFischbeck 676 105 9ms 31 Oct 2020 895th estomagordo 🇳🇱 676 105 9ms 6 Dec 2021 895th 0dyse 676 105 13ms 12 Sep 2025 899th RockOfStone 675 112 1ms 8 Nov 2021 900th AlexDaniel 🇪🇪 673 70 161ms 17 Aug 2020 901st Shanethegamer 🇺🇸 673 168 99ms 17 Feb 2023 902nd jerrandolph 673 221 274ms 21 Oct 2023 902nd dbut2 🇦🇺 673 221 269ms 18 Jul 2024 904th GrayJoKing 🇦🇺 671 95 142ms 14 Aug 2024 904th MeWhenI 🇻🇦 671 95 134ms 25 Oct 2024 906th msbranicky 671 119 5ms 8 Aug 2023 907th SirBogman 🇺🇸 670 100 9ms 29 Nov 2021 907th Giga-Bowser 670 100 9ms 3 Jan 2022 907th Andrey-Plotnikov 670 100 9ms 19 Aug 2023 907th coreynash 670 100 9ms 3 Nov 2023 911th DialFrost 🇸🇬 670 105 10ms 6 Nov 2025 912th artieleach 670 106 13ms 7 Feb 2021 912th martinnorling 🇸🇪 670 106 10ms 31 Jan 2022 912th dylanjones92 670 106 10ms 26 Jan 2024 915th Yewzir 🇧🇪 670 183 469ms 2 Oct 2025 916th Yewzir 🇧🇪 669 91 2ms 19 Dec 2024 917th frosster 669 113 1ms 14 May 2023 918th Liibe 666 184 446ms 25 Sep 2025 919th pkasting 665 159 4ms 6 Sep 2020 919th Alex-x90 🇺🇸 665 159 2ms 10 Dec 2024 921st GolfingSuccess 🇬🇷 665 187 94ms 8 Nov 2023 922nd fitzdotlol 🇺🇸 664 101 9ms 28 Mar 2022 923rd dostuffthatmatters 664 107 9ms 26 Jul 2020 923rd guilhem-roy 🇫🇷 664 107 9ms 28 Feb 2022 923rd celiendonze 🇨🇭 664 107 12ms 20 Apr 2023 923rd Stockoh 🇫🇷 664 107 16ms 2 Oct 2024 927th snoozingnewt 🇨🇦 663 71 123ms 13 Oct 2025 928th Shanethegamer 🇺🇸 663 93 1,027ms 16 Feb 2023 929th Adelzu 662 171 352ms 21 Nov 2021 929th Matgc04 662 171 352ms 3 Jun 2024 929th postie77 662 171 400ms 14 Aug 2024 932nd MeWhenI 🇻🇦 660 113 4ms 23 May 2023 933rd janbehrens 🇩🇪 660 148 484ms 26 Mar 2022 934th Jesperb21 658 172 366ms 21 Nov 2021 935th GeorgeStechman 🇬🇧 657 102 9ms 15 Jun 2022 935th ShiraJoseph 🇺🇸 657 102 9ms 21 Jul 2023 935th acollett89 657 102 9ms 15 Jul 2025 938th Ted-Barrett 🇦🇺 657 108 9ms 30 Sep 2021 938th vodker1 657 108 9ms 7 Mar 2022 940th MeWhenI 🇻🇦 654 122 7ms 10 Sep 2022 941st Shanethegamer 🇺🇸 653 127 145ms 1 Mar 2022 942nd JGDoerrer 653 183 201ms 5 Feb 2022 942nd msbranicky 653 183 228ms 1 Oct 2023 944th Samuel-George-Greenberger 652 47 77ms 46 hours ago 945th snoozingnewt 🇨🇦 652 188 432ms 13 Oct 2025 946th Shanethegamer 🇺🇸 652 228 271ms 19 Apr 2022 947th richard-oelze 🇩🇪 651 103 9ms 26 May 2021 948th timmickey 651 108 4ms 30 Dec 2022 949th dymowski 651 109 9ms 17 Aug 2020 949th Florian-Mt 651 109 9ms 29 Sep 2023 951st Shanethegamer 🇺🇸 651 116 1ms 2 Nov 2022 952nd snoozingnewt 🇨🇦 650 93 84ms 13 Oct 2025 953rd wuzekai518 649 184 220ms 17 Jul 2024 954th MeWhenI 🇻🇦 648 149 110ms 28 Jun 2023 955th primo-ppcg 🇹🇭 647 150 7ms 2 Oct 2020 956th jared-hughes 646 117 1ms 6 Mar 2022 956th NickTheEASDude 🇺🇸 646 117 1ms 9 May 2024 958th adoxography 645 104 9ms 8 Oct 2020 958th albanian-laundromat 645 104 14ms 2 days ago 960th CRHillman 645 110 10ms 14 Sep 2020 First Prev 881–960 of 1,861 Next Last
