Farey Sequence in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 601st MeWhenI 🇻🇦 675 105 5ms 1 Dec 2023 602nd Shanethegamer 🇺🇸 675 106 14ms 31 Jan 2024 602nd AlephSquirrel 675 106 12ms 24 Jun 2024 604th the-zammers 675 108 136ms 15 Dec 2023 605th janbehrens 🇩🇪 669 83 6ms 1 Dec 2023 606th jared-hughes 667 84 16ms 17 Dec 2023 606th stertooy 🇧🇪 667 84 11ms 14 Jun 2024 606th sacredeux 667 84 14ms 20 Aug 2024 606th hiichbindermax 667 84 14ms 27 May 2025 610th Ripick 667 94 121ms 24 Jun 2024 611th NickTheEASDude 🇺🇸 664 87 10ms 25 Apr 2024 612th BREMAUCY 🇫🇷 664 106 75ms 4 Dec 2023 613th Creative0708 🇨🇦 663 121 126ms 16 Dec 2023 613th mousetail 🇳🇱 663 121 123ms 24 Mar 2024 615th AlephSquirrel 660 81 417ms 16 Jan 2024 616th MichalMarsalek 🇨🇿 660 95 116ms 1 Dec 2023 617th KrausRaus 🇺🇸 659 85 12ms 1 Dec 2023 617th jeff-at-tamer-dot-codes 🇺🇸 659 85 21ms 19 Dec 2023 619th tobeannouncd 657 111 129ms 11 Jan 2024 620th KatieLG 🇬🇧 652 82 462ms 28 Oct 2024 621st MeWhenI 🇻🇦 652 84 5ms 16 Aug 2024 622nd Just4FunCoder 652 86 23ms 26 Feb 2024 622nd SB-945 652 86 26ms 7 Apr 2024 622nd Babafaba 652 86 25ms 16 days ago 625th SirFireball3521 651 62 135ms 13 Sep 2024 626th MeWhenI 🇻🇦 650 191 9ms 1 Dec 2023 627th dokutan 648 149 279ms 10 Dec 2024 628th alomiF 645 113 187ms 6 Dec 2023 629th m42km 644 83 531ms 1 Feb 2024 630th jatloe 644 87 27ms 24 Aug 2024 631st snoozingnewt 🇺🇸 643 150 258ms 23 days ago 632nd jbt 642 90 13ms 24 Dec 2023 632nd thisishowmymindworks 🇳🇴 642 90 10ms 28 Jun 2024 634th Yewzir 🇧🇪 640 92 137ms 27 Mar 2024 635th snoozingnewt 🇺🇸 640 110 82ms 23 days ago 636th elgan65536 639 101 3ms 5 Dec 2023 636th madex 🇩🇪 639 101 3ms 13 Feb 2024 636th Herbert00709 🇵🇱 639 101 2ms 3 Sep 2024 639th gifti258 638 99 82ms 8 Aug 2025 640th FlorianCassayre 🇫🇷 637 88 22ms 18 May 2024 640th jacekwladzinski 637 88 12ms 3 Oct 2025 642nd janbehrens 🇩🇪 635 91 10ms 1 Dec 2023 642nd eranws 635 91 12ms 16 Mar 2024 644th dokutan 634 104 3ms 26 Oct 2024 645th Yewzir 🇧🇪 634 111 86ms 5 Feb 2024 645th HumanoidCPU 634 111 79ms 5 Jun 2024 647th northsuperman 633 102 2ms 24 Mar 2024 648th lifthrasiir 🇰🇷 632 46 2ms 5 Dec 2024 649th IISResetMe 631 67 659ms 4 Dec 2023 650th HumanoidCPU 624 67 56ms 5 Jun 2024 651st commandblockguy 🇺🇸 623 90 12ms 1 Dec 2023 651st ZakkkkAttackkkk 🇵🇭 623 90 11ms 9 May 2024 651st HumanoidCPU 623 90 27ms 5 Jun 2024 654th SirBogman 🇺🇸 622 68 240ms 18 May 2024 655th HumanoidCPU 622 106 2ms 5 Jun 2024 656th Babafaba 621 86 430ms 16 days ago 657th two-bad 🇬🇧 621 93 9ms 5 Feb 2024 657th helbling 🇨🇭 621 93 9ms 16 Jun 2024 657th snoozingnewt 🇺🇸 621 93 11ms 23 days ago 660th iczelia 🇩🇪 621 104 2ms 10 Oct 2025 661st Daniel-Ellison 619 78 618ms 8 Aug 2025 662nd uttumuttu 🇫🇮 618 101 80ms 21 Dec 2023 663rd MeWhenI 🇻🇦 618 105 18ms 1 Dec 2023 664th msbranicky 617 235 1,925ms 16 Sep 2025 665th agreegious 616 91 11ms 17 Nov 2024 666th MeWhenI 🇻🇦 616 123 351ms 1 Dec 2023 666th Steffan153 🇫🇮 616 123 397ms 5 Dec 2023 666th Lydxn 🇨🇦 616 123 411ms 16 Dec 2023 669th msbranicky 616 154 28ms 3 Jan 2024 670th Shanethegamer 🇺🇸 614 68 36ms 1 Dec 2023 671st Andrey-Plotnikov 614 94 12ms 13 Jan 2025 672nd dokutan 614 104 2ms 28 Oct 2024 673rd Maximizer02 614 113 14ms 7 Nov 2024 674th bac0id 614 139 369ms 10 Jan 2025 675th dokutan 612 155 28ms 20 Apr 2025 First Prev 601–675 of 1,431 Next Last