The Calendar hole will go live in approximately 18 hours. Why not try and solve it ahead of time?
Farey 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 240th ovs-code 🇩🇪 889 74 2ms 1 Dec 2023 240th GrayJoKing 🇦🇺 889 74 2ms 2 Dec 2023 240th DialFrost 🇸🇬 889 74 2ms 3 Dec 2023 240th sean-niemann 🇺🇸 889 74 2ms 4 Dec 2023 240th FlyingPenguin223 889 74 3ms 4 Dec 2023 240th edsrzf 🇳🇿 889 74 2ms 25 Apr 2025 240th GolfingSuccess 🇬🇷 889 74 3ms 20 Nov 2025 248th Shanethegamer 🇺🇸 889 84 4ms 1 Dec 2023 248th primo-ppcg 🇹🇭 889 84 4ms 25 Jan 2025 248th kg583 🇺🇸 889 84 4ms 7 Nov 2025 251st sgiandomenico 888 65 9ms 18 Dec 2023 252nd sean-niemann 🇺🇸 888 71 41ms 3 Dec 2023 252nd JayXon 🇺🇸 888 71 1,303ms 6 Dec 2023 252nd DialFrost 🇸🇬 888 71 41ms 23 hours ago 255th inventshah 888 96 60ms 1 Dec 2023 256th emplv 🇱🇻 888 107 25ms 1 Dec 2023 256th sean-niemann 🇺🇸 888 107 25ms 4 Dec 2023 256th m-tkach 🇺🇦 888 107 24ms 5 Dec 2023 256th DialFrost 🇸🇬 888 107 25ms 7 Dec 2023 256th JayXon 🇺🇸 888 107 24ms 7 Dec 2023 256th Steffan153 🇫🇮 888 107 25ms 19 Aug 2024 262nd IanUtley 887 73 10ms 1 Dec 2023 263rd emgordon154 887 82 3,531ms 3 Jul 2025 263rd JayXon 🇺🇸 887 82 2,982ms 3 Jul 2025 265th UnderKoen 🇳🇱 887 96 5ms 12 Mar 2025 266th duckyluuk 🇳🇱 886 82 154ms 25 Dec 2024 266th MeWhenI 🇻🇦 886 82 14ms 30 Dec 2024 266th GolfingSuccess 🇬🇷 886 82 11ms 13 Jan 2025 266th GrayJoKing 🇦🇺 886 82 15ms 3 Feb 2025 270th AlephSquirrel 885 26 51ms 27 Dec 2023 271st MeWhenI 🇻🇦 885 66 11ms 1 Dec 2023 272nd edsrzf 🇳🇿 885 109 280ms 30 Dec 2024 272nd CaedenHarper 🇨🇦 885 109 251ms 20 Nov 2025 272nd albanian-laundromat 885 109 246ms 3 Dec 2025 275th MeWhenI 🇻🇦 883 81 42ms 13 Feb 2025 276th sean-niemann 🇺🇸 882 63 975ms 24 Mar 2024 276th DialFrost 🇸🇬 882 63 933ms 18 Dec 2024 278th sean-niemann 🇺🇸 882 90 5ms 13 Jan 2025 278th DialFrost 🇸🇬 882 90 3ms 31 Mar 2025 280th GrayJoKing 🇦🇺 881 71 126ms 2 Dec 2023 281st DialFrost 🇸🇬 881 80 17ms 26 Feb 2025 282nd MeWhenI 🇻🇦 881 86 428ms 7 Nov 2025 282nd namelessiw 881 86 382ms 15 Nov 2025 284th AlephSquirrel 881 87 9ms 5 Aug 2024 285th emgordon154 880 95 111ms 27 Nov 2025 285th DialFrost 🇸🇬 880 95 115ms 27 Nov 2025 285th blaztoma 🇱🇹 880 95 114ms 30 Nov 2025 285th snoozingnewt 🇨🇦 880 95 108ms 25 days ago 285th GolfingSuccess 🇬🇷 880 95 112ms 24 days ago 290th sisyphus-ppcg 🇦🇺 879 63 8ms 4 Dec 2023 291st MeWhenI 🇻🇦 879 97 65ms 1 Dec 2023 291st Alex-x90 🇺🇸 879 97 62ms 11 May 2024 293rd DialFrost 🇸🇬 878 97 3ms 10 Mar 2025 294th DialFrost 🇸🇬 877 51 3ms 1 Dec 2023 294th ovs-code 🇩🇪 877 51 5ms 1 Dec 2023 296th MeWhenI 🇻🇦 877 67 105ms 1 Dec 2023 297th Shanethegamer 🇺🇸 877 75 3ms 1 Dec 2023 298th lynn 877 83 131ms 19 Oct 2025 299th stefangimmillaro 877 110 257ms 29 Apr 2024 300th canissimia 🇦🇶 877 112 4,961ms 29 Dec 2023 301st canissimia 🇦🇶 877 188 3ms 31 Dec 2023 302nd DialFrost 🇸🇬 876 83 3,157ms 24 Oct 2024 303rd Yewzir 🇧🇪 875 61 358ms 26 May 2024 304th Shanethegamer 🇺🇸 875 66 9ms 1 Dec 2023 304th duckyluuk 🇳🇱 875 66 9ms 9 Oct 2024 306th ovs-code 🇩🇪 875 74 10ms 4 Jul 2024 307th DialFrost 🇸🇬 875 81 4ms 18 Mar 2025 308th Steffan153 🇫🇮 874 62 1ms 5 Dec 2023 308th DialFrost 🇸🇬 874 62 2ms 14 Dec 2023 308th ovs-code 🇩🇪 874 62 2ms 15 Dec 2023 308th sean-niemann 🇺🇸 874 62 2ms 28 Dec 2023 308th primo-ppcg 🇹🇭 874 62 2ms 25 Jan 2025 313th Shanethegamer 🇺🇸 874 82 26ms 1 Dec 2023 314th GrayJoKing 🇦🇺 873 60 129ms 10 Aug 2024 315th lifthrasiir 🇰🇷 873 143 9ms 19 Dec 2024 316th inventshah 872 74 4ms 1 Dec 2023 316th GolfingSuccess 🇬🇷 872 74 2ms 4 Dec 2023 318th sisyphus-ppcg 🇦🇺 871 58 8ms 4 Dec 2023 319th Shanethegamer 🇺🇸 871 87 438ms 25 Sep 2025 320th edsrzf 🇳🇿 871 96 112ms 25 days ago First Prev 241–320 of 1,474 Next Last