The Calendar hole will go live in approximately 10 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 879th dokutan 650 103 10ms 20 Apr 2025 882nd timmickey 650 108 4ms 30 Dec 2022 883rd Shanethegamer 🇺🇸 650 116 1ms 2 Nov 2022 884th ovs-code 🇩🇪 650 118 4ms 2 Feb 2023 885th snoozingnewt 🇨🇦 649 93 84ms 13 Oct 2025 886th snoozingnewt 🇨🇦 649 119 12ms 13 Oct 2025 887th wuzekai518 649 184 220ms 17 Jul 2024 888th CheeseCake628 🇳🇴 647 89 471ms 17 Jan 2024 888th namelessiw 647 89 428ms 5 Mar 2024 890th primo-ppcg 🇹🇭 646 150 7ms 2 Oct 2020 891st jared-hughes 645 117 1ms 6 Mar 2022 891st NickTheEASDude 🇺🇸 645 117 1ms 9 May 2024 893rd sisyphus-ppcg 🇦🇺 644 65 3ms 17 Oct 2023 894th adoxography 644 104 9ms 8 Oct 2020 894th albanian-laundromat 644 104 14ms 4 days ago 896th bbakersmith 643 94 9ms 18 Jul 2021 896th jfallon1997 643 94 10ms 9 Aug 2022 896th wobblybits 643 94 9ms 19 Aug 2025 899th FlyingPenguin223 642 66 46ms 11 Nov 2024 900th MeWhenI 🇻🇦 642 149 49ms 4 Sep 2024 901st DialFrost 🇸🇬 641 96 987ms 20 Nov 2024 902nd dokutan 641 116 7ms 16 Jul 2024 903rd a6166231 🇨🇳 638 105 9ms 5 Jun 2025 903rd snoozingnewt 🇨🇦 638 105 9ms 11 Oct 2025 905th LeeCamp 636 95 9ms 27 Dec 2021 905th 4ndyJ 🇬🇧 636 95 9ms 7 Feb 2023 905th 0-ag 636 95 11ms 25 Aug 2025 908th snoozingnewt 🇨🇦 635 178 636ms 13 Oct 2025 909th Lv0Sys 🇵🇱 633 67 42ms 17 days ago 910th TheZwierzLF 🇵🇱 632 91 599ms 3 days ago 911th MeWhenI 🇻🇦 632 96 7ms 14 Nov 2022 912th GusGold 632 106 9ms 17 Nov 2020 912th wansacis 🇩🇪 632 106 11ms 11 Nov 2021 914th Shanethegamer 🇺🇸 632 144 6ms 4 Oct 2024 915th jared-hughes 632 167 1ms 24 Jun 2022 915th emgordon154 632 167 2ms 3 Jun 2025 917th juliansiebert 🇩🇪 632 179 368ms 2 Mar 2025 918th Natanaelel 🇸🇪 631 55 2ms 29 Jun 2023 919th Psirving 630 96 9ms 29 Jul 2020 919th henrytranter 630 96 10ms 27 Aug 2020 919th chrishm909 630 96 9ms 23 May 2021 919th sleepyStick 630 96 16ms 3 Dec 2021 919th tterem 630 96 11ms 8 Jun 2022 919th sbyrne51 630 96 9ms 1 Oct 2022 925th msbranicky 628 96 93ms 15 Aug 2023 926th Shanethegamer 🇺🇸 628 195 466ms 25 Sep 2025 927th GolfingSuccess 🇬🇷 626 97 2ms 16 Oct 2024 928th elisherer 🇮🇱 626 107 9ms 2 Aug 2020 929th snoozingnewt 🇨🇦 625 71 123ms 13 Oct 2025 930th KatieLG 🇬🇧 625 181 387ms 21 Oct 2022 931st Irratix 🇳🇱 625 199 256ms 3 Jan 2022 932nd Shanethegamer 🇺🇸 624 166 4,476ms 31 Oct 2024 933rd asadullayev 623 97 13ms 3 Mar 2021 933rd befoster 623 97 9ms 10 Apr 2021 933rd myleopard 623 97 13ms 15 Oct 2021 933rd Andrey135296 623 97 9ms 4 Apr 2022 933rd Bodo171 623 97 15ms 25 Nov 2022 938th DialFrost 🇸🇬 623 146 18ms 12 Dec 2024 939th rboath 622 97 91ms 8 Jan 2025 940th MeWhenI 🇻🇦 622 133 151ms 3 Jun 2025 941st Shanethegamer 🇺🇸 621 154 41ms 12 Sep 2024 942nd goodwyna21 620 108 9ms 24 Oct 2024 943rd CatsAreFluffy 619 93 506ms 15 Jan 2024 944th ehulinsky 🇺🇸 617 98 10ms 11 Nov 2021 944th Trunksistor 🇫🇷 617 98 9ms 24 May 2022 944th MichaelMBradley 🇨🇦 617 98 10ms 19 Jun 2022 947th Natanaelel 🇸🇪 616 100 73ms 6 Oct 2023 948th MeWhenI 🇻🇦 616 114 71ms 28 May 2023 949th Natanaelel 🇸🇪 615 68 2ms 15 Jan 2024 950th PGPereira 614 109 9ms 27 Mar 2021 950th BambooleanLogic 🇸🇪 614 109 8ms 10 Dec 2021 950th eranws 614 109 9ms 23 Oct 2022 950th randolchance 614 109 10ms 21 Feb 2023 950th tomh1012 614 109 9ms 5 Sep 2025 955th MeWhenI 🇻🇦 613 70 768ms 14 Feb 2023 956th AlexanderFair 613 158 2ms 10 Aug 2023 957th TimHuisman1703 611 99 9ms 7 Jan 2022 957th retrohun 611 99 78ms 30 Apr 2023 957th davecame 611 99 10ms 2 Aug 2023 960th Ivraj 609 110 8ms 19 Aug 2021 First Prev 881–960 of 1,845 Next Last