The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Inventory Sequence 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 318th FlorianCassayre 🇫🇷 865 57 43ms 6 Jan 2023 318th stefangimmillaro 865 57 11ms 29 Apr 2023 318th bizy-coder 865 57 11ms 1 Sep 2024 318th Seek64 🇩🇪 865 57 11ms 18 Nov 2025 318th sunleonid 865 57 32ms 3 hours ago 326th GrayJoKing 🇦🇺 865 68 4ms 12 Feb 2023 327th janbehrens 🇩🇪 864 67 2ms 20 Nov 2022 327th GrayJoKing 🇦🇺 864 67 2ms 20 Feb 2023 327th MeWhenI 🇻🇦 864 67 2ms 22 Jul 2024 327th Shanethegamer 🇺🇸 864 67 2ms 28 May 2025 327th Alex-x90 🇺🇸 864 67 2ms 18 Oct 2025 332nd jared-hughes 864 102 8ms 7 Jul 2024 333rd Shanethegamer 🇺🇸 864 162 440ms 5 Apr 2025 334th MeWhenI 🇻🇦 863 64 3ms 10 Oct 2023 335th JayXon 🇺🇸 863 72 2ms 23 Nov 2022 336th DialFrost 🇸🇬 862 64 98ms 20 Nov 2025 337th Waffle3z 862 72 2ms 11 Dec 2022 337th jared-hughes 862 72 2ms 16 Mar 2023 337th edsrzf 🇳🇿 862 72 2ms 27 Aug 2025 340th GrayJoKing 🇦🇺 861 42 39ms 21 Nov 2022 340th JayXon 🇺🇸 861 42 50ms 22 Nov 2022 340th pardouin 🇫🇷 861 42 49ms 2 Sep 2025 343rd primo-ppcg 🇹🇭 861 54 71ms 24 Sep 2023 344th sean-niemann 🇺🇸 861 72 44ms 23 Apr 2023 345th JayXon 🇺🇸 861 160 1,642ms 15 Sep 2025 346th GrayJoKing 🇦🇺 859 89 59ms 1 Dec 2022 346th Alex-x90 🇺🇸 859 89 61ms 20 Nov 2024 348th SirBogman 🇺🇸 857 77 39ms 22 Nov 2022 348th primo-ppcg 🇹🇭 857 77 42ms 24 Nov 2022 350th m-tkach 🇺🇦 856 101 25ms 20 Nov 2022 351st MeWhenI 🇻🇦 856 107 33ms 25 Nov 2022 352nd emplv 🇱🇻 856 111 271ms 26 Jul 2023 353rd MeWhenI 🇻🇦 855 48 267ms 22 Jul 2024 353rd Steffan153 🇫🇮 855 48 273ms 9 Aug 2024 355th stefangimmillaro 855 77 81ms 5 Jun 2023 356th Shanethegamer 🇺🇸 855 85 468ms 22 Nov 2022 356th MeWhenI 🇻🇦 855 85 428ms 22 Jul 2024 356th DialFrost 🇸🇬 855 85 367ms 20 Nov 2025 359th janbehrens 🇩🇪 854 47 7ms 20 Nov 2022 360th Natanaelel 🇸🇪 852 45 967ms 22 Jan 2025 361st lynn 852 55 368ms 17 Feb 2024 361st duckyluuk 🇳🇱 852 55 382ms 28 Aug 2024 361st Babafaba 852 55 388ms 7 Nov 2025 364th itsh01 852 58 10ms 21 Nov 2022 364th prplz 🇦🇺 852 58 9ms 25 Nov 2022 364th Larento 852 58 9ms 13 Oct 2023 367th GolfingSuccess 🇬🇷 852 68 2ms 20 Nov 2022 367th ZakkkkAttackkkk 🇵🇭 852 68 2ms 12 Aug 2023 367th luuumine 🇫🇷 852 68 2ms 17 Nov 2025 367th solisolu 852 68 2ms 18 days ago 367th prestosilver 🇺🇸 852 68 2ms 12 days ago 372nd annaproxy 852 81 63ms 11 Dec 2022 373rd Steffan153 🇫🇮 850 38 3ms 27 Aug 2024 374th janbehrens 🇩🇪 850 58 30ms 21 Nov 2022 374th sisyphus-ppcg 🇦🇺 850 58 10ms 22 Nov 2022 374th AlephSquirrel 850 58 29ms 9 Jan 2023 374th scpchicken 🇵🇼 850 58 29ms 10 Mar 2023 374th yzhs 🇩🇪 850 58 11ms 23 Jun 2023 374th 2011-Chan-Ethan 850 58 41ms 12 Jul 2023 374th MeWhenI 🇻🇦 850 58 10ms 22 Jul 2024 374th 5cw 🇺🇸 850 58 30ms 6 Nov 2024 374th Natanaelel 🇸🇪 850 58 11ms 15 Jul 2025 374th blaztoma 🇱🇹 850 58 11ms 17 Aug 2025 374th Emutis 🇱🇹 850 58 10ms 21 Aug 2025 374th InigoK 🇺🇸 850 58 10ms 4 Sep 2025 374th BrunoVisnadi 🇧🇷 850 58 33ms 9 days ago 387th GrayJoKing 🇦🇺 850 65 3ms 9 Oct 2023 388th jared-hughes 850 90 58ms 16 Mar 2023 389th 386asm 🇺🇸 849 73 40ms 8 May 2023 390th ovs-code 🇩🇪 849 165 462ms 24 Jan 2025 391st JayXon 🇺🇸 848 46 125ms 23 Oct 2024 392nd JayXon 🇺🇸 848 65 138ms 22 Nov 2022 393rd MeWhenI 🇻🇦 848 112 261ms 22 Jul 2024 394th MeWhenI 🇻🇦 846 78 38ms 14 May 2023 394th inventshah 846 78 3,274ms 12 Nov 2024 396th ovs-code 🇩🇪 846 111 48ms 10 Feb 2023 396th lynn 846 111 41ms 12 Jul 2023 398th revlayle 🇺🇸 843 89 336ms 26 Nov 2022 398th Shanethegamer 🇺🇸 843 89 315ms 20 Mar 2023 400th Shanethegamer 🇺🇸 843 94 450ms 25 Sep 2025 First Prev 321–400 of 1,615 Next Last