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 321st edsrzf 🇳🇿 857 113 3ms 15 Mar 2025 322nd AdrienHache 🇫🇷 857 132 393ms 5 Oct 2024 322nd MeWhenI 🇻🇦 857 132 350ms 19 Jun 2025 324th DialFrost 🇸🇬 857 230 2,521ms 7 Nov 2025 325th Steffan153 🇫🇮 856 132 207ms 17 Feb 2023 326th namelessiw 856 143 392ms 7 Nov 2025 327th GolfingSuccess 🇬🇷 856 239 730ms 27 Jan 2025 328th primo-ppcg 🇹🇭 855 72 1,007ms 9 Jan 2022 329th Shanethegamer 🇺🇸 855 87 5ms 25 Apr 2023 329th kg583 🇺🇸 855 87 4ms 7 Nov 2025 331st TimCurwick 🇺🇸 854 66 639ms 30 Nov 2020 332nd GolfingSuccess 🇬🇷 853 120 115ms 22 days ago 332nd DialFrost 🇸🇬 853 120 100ms 18 days ago 332nd snoozingnewt 🇨🇦 853 120 106ms 18 days ago 335th primo-ppcg 🇹🇭 852 119 40ms 28 Jun 2022 336th schachmattmatt 851 71 9ms 2 Oct 2021 337th UnderKoen 🇳🇱 850 114 2ms 30 Jun 2022 338th namelessiw 850 133 372ms 6 Nov 2025 339th stefangimmillaro 848 122 3,470ms 5 Dec 2024 340th Bubbler-4 847 41 2ms 8 Feb 2023 341st JDiLenarda 🇫🇷 847 88 1,278ms 3 Dec 2023 342nd sean-niemann 🇺🇸 847 130 2,003ms 19 Nov 2025 343rd Re-Adventures 🇮🇳 846 83 754ms 24 Mar 2021 344th lynn 846 141 230ms 3 Feb 2025 345th primo-ppcg 🇹🇭 846 147 240ms 18 Jan 2022 346th CaedenHarper 🇨🇦 845 77 750ms 9 Sep 2025 347th Shanethegamer 🇺🇸 845 242 505ms 21 Jan 2025 348th GrayJoKing 🇦🇺 844 32 33ms 19 Oct 2020 348th SirBogman 🇺🇸 844 32 60ms 30 Nov 2022 350th KasperKivimaeki 🇫🇮 844 125 8ms 11 Nov 2025 351st ovs-code 🇩🇪 844 176 264ms 25 Aug 2023 352nd Steffan153 🇫🇮 843 73 90ms 20 Sep 2023 352nd stefangimmillaro 843 73 956ms 5 Dec 2024 354th arjanadriaanse 🇳🇱 843 81 129ms 10 Feb 2022 354th aDwarfNamedUrist 843 81 127ms 6 Dec 2022 356th Steffan153 🇫🇮 842 117 99ms 8 Apr 2023 357th DialFrost 🇸🇬 842 123 4,163ms 1 Mar 2025 358th MeWhenI 🇻🇦 842 234 1,705ms 7 Nov 2025 359th DialFrost 🇸🇬 841 67 543ms 9 Jun 2024 360th primo-ppcg 🇹🇭 841 90 15ms 6 Feb 2022 361st Shanethegamer 🇺🇸 840 67 4ms 17 Aug 2024 362nd zacjl 840 92 8ms 30 Nov 2024 363rd elgan65536 840 142 226ms 6 Jul 2024 364th elgan65536 839 72 10ms 31 Mar 2024 365th GrayJoKing 🇦🇺 838 121 56ms 10 Mar 2023 366th Yax42 🇫🇷 838 135 389ms 13 Oct 2025 367th AlexDaniel 🇪🇪 837 53 161ms 17 Aug 2020 368th nwellnhof 🇩🇪 837 126 2ms 22 Aug 2020 369th ovs-code 🇩🇪 835 245 487ms 25 Jan 2025 370th ovs-code 🇩🇪 834 69 509ms 26 days ago 371st primo-ppcg 🇹🇭 834 109 9ms 5 Feb 2025 372nd RobertHoeh 832 82 229ms 1 Feb 2024 372nd YAJUE114514 832 82 117ms 15 Jul 2025 374th janlelis 831 51 55ms 11 Nov 2021 375th m-tkach 🇺🇦 831 127 2ms 30 Aug 2023 376th primo-ppcg 🇹🇭 830 179 268ms 22 Aug 2020 377th SirBogman 🇺🇸 829 68 225ms 18 May 2024 378th P-Quentin 🇫🇷 828 73 11ms 3 Aug 2022 378th NerdyMcNerd42 828 73 9ms 27 Oct 2022 380th albanian-laundromat 828 247 512ms 20 Oct 2025 381st zacjl 827 42 5ms 2 Nov 2025 382nd primo-ppcg 🇹🇭 827 116 131ms 17 Aug 2021 383rd DialFrost 🇸🇬 825 93 4ms 17 Mar 2025 384th rowan-OzRunways 825 137 205ms 26 Jan 2021 384th kaascevich 825 137 235ms 9 Jul 2025 386th andersk 🇺🇸 823 145 237ms 25 Oct 2022 387th Natanaelel 🇸🇪 822 54 255ms 22 Feb 2023 388th ridingqwerty 🇺🇸 822 70 503ms 29 Jan 2024 388th m-tkach 🇺🇦 822 70 533ms 31 Jan 2024 390th iczelia 🇩🇪 822 83 117ms 19 Oct 2025 391st error256 822 94 10ms 29 Nov 2024 392nd h3ra993huskp 🇯🇵 822 149 565ms 21 days ago 393rd GrayJoKing 🇦🇺 818 33 61ms 31 Jul 2022 393rd Steffan153 🇫🇮 818 33 61ms 17 Jan 2023 393rd stackofbears 818 33 34ms 9 Dec 2023 393rd orthoplex 🇨🇽 818 33 36ms 20 Jul 2024 397th dvargas46 🇺🇸 818 74 6ms 25 Feb 2023 398th primo-ppcg 🇹🇭 818 129 3ms 21 Aug 2020 399th andersk 🇺🇸 817 74 10ms 6 Oct 2020 399th 77Tigers 817 74 14ms 28 Feb 2021 First Prev 321–400 of 1,845 Next Last