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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 641st error256 686 75 1,251ms 11 Feb 2026 642nd Yewzir 🇧🇪 686 79 1ms 26 May 2024 643rd HumanoidCPU 685 96 2ms 16 Nov 2025 644th fantaize 685 111 123ms 22 days ago 645th MichalMarsalek 🇨🇿 684 82 11ms 1 Dec 2023 645th Koshu 684 82 12ms 2 Dec 2023 645th uttumuttu 🇫🇮 684 82 11ms 22 Dec 2023 645th fkantelberg 684 82 24ms 12 Jul 2025 649th cyrilboyer 🇫🇷 684 141 282ms 14 Dec 2023 650th Shanethegamer 🇺🇸 683 90 85ms 1 Dec 2023 651st JohandeRuiter 🇳🇱 680 95 2ms 22 Jan 2025 652nd MeWhenI 🇻🇦 679 102 12ms 9 May 2024 653rd SirBogman 🇺🇸 676 54 36ms 1 Dec 2023 654th namelessiw 676 79 451ms 5 Mar 2024 655th MeWhenI 🇻🇦 675 82 7ms 1 Dec 2023 656th m42km 675 83 11ms 6 Jan 2024 656th Natanaelel 🇸🇪 675 83 11ms 22 Mar 2024 656th davecame 675 83 16ms 25 Apr 2024 659th MeWhenI 🇻🇦 675 105 5ms 1 Dec 2023 660th the-zammers 674 108 129ms 15 Dec 2023 661st Shanethegamer 🇺🇸 673 106 14ms 31 Jan 2024 661st AlephSquirrel 673 106 11ms 24 Jun 2024 663rd kmathis22 670 113 533ms 6 Dec 2025 664th DialFrost 🇸🇬 669 101 11ms 12 Dec 2024 665th Ripick 668 94 129ms 24 Jun 2024 666th janbehrens 🇩🇪 667 83 7ms 1 Dec 2023 667th jared-hughes 667 84 13ms 17 Dec 2023 667th stertooy 🇧🇪 667 84 11ms 14 Jun 2024 667th sacredeux 667 84 11ms 20 Aug 2024 667th hiichbindermax 667 84 11ms 27 May 2025 671st HumanoidCPU 665 114 454ms 8 Nov 2025 672nd NickTheEASDude 🇺🇸 664 87 11ms 25 Apr 2024 673rd BREMAUCY 🇫🇷 664 106 100ms 4 Dec 2023 674th MichalMarsalek 🇨🇿 661 95 125ms 1 Dec 2023 675th Daniel-Ellison 660 73 487ms 2 Mar 2026 676th AlephSquirrel 659 81 438ms 16 Jan 2024 677th KrausRaus 🇺🇸 659 85 11ms 1 Dec 2023 677th jeff-at-tamer-dot-codes 🇺🇸 659 85 21ms 19 Dec 2023 679th luuumine 🇫🇷 659 98 2ms 19 Nov 2025 680th JOrE20 656 88 11ms 11 Feb 2026 681st tobeannouncd 656 111 128ms 11 Jan 2024 682nd MeWhenI 🇻🇦 654 191 7ms 1 Dec 2023 683rd Just4FunCoder 652 86 23ms 26 Feb 2024 683rd SB-945 652 86 25ms 7 Apr 2024 683rd Babafaba 652 86 23ms 22 Oct 2025 686th KatieLG 🇬🇧 651 82 375ms 28 Oct 2024 687th MeWhenI 🇻🇦 650 84 5ms 16 Aug 2024 688th SirFireball3521 648 62 157ms 13 Sep 2024 689th dokutan 648 149 293ms 10 Dec 2024 690th jatloe 644 87 24ms 24 Aug 2024 691st alomiF 644 113 152ms 6 Dec 2023 692nd cyrilboyer 🇫🇷 644 118 118ms 19 Dec 2023 693rd m42km 643 83 436ms 1 Feb 2024 694th snoozingnewt 🇨🇦 643 150 281ms 15 Oct 2025 695th jbt 642 90 11ms 24 Dec 2023 695th thisishowmymindworks 🇳🇴 642 90 11ms 28 Jun 2024 697th elgan65536 🇺🇸 640 101 2ms 5 Dec 2023 697th madex 🇩🇪 640 101 2ms 13 Feb 2024 697th Herbert00709 🇵🇱 640 101 2ms 3 Sep 2024 700th snoozingnewt 🇨🇦 640 110 92ms 15 Oct 2025 701st Yewzir 🇧🇪 639 92 150ms 27 Mar 2024 702nd dokutan 638 106 11ms 30 Nov 2025 703rd FlorianCassayre 🇫🇷 637 88 21ms 18 May 2024 703rd jacekwladzinski 637 88 10ms 3 Oct 2025 705th gifti258 637 99 69ms 8 Aug 2025 706th janbehrens 🇩🇪 635 91 10ms 1 Dec 2023 706th eranws 635 91 12ms 16 Mar 2024 706th HumanoidCPU 635 91 10ms 16 Nov 2025 709th Yewzir 🇧🇪 634 111 94ms 5 Feb 2024 709th HumanoidCPU 634 111 86ms 5 Jun 2024 711th northsuperman 633 102 2ms 24 Mar 2024 712th dokutan 633 104 2ms 26 Oct 2024 713th luuumine 🇫🇷 633 120 125ms 19 Nov 2025 714th lifthrasiir 🇰🇷 629 46 2ms 5 Dec 2024 715th IISResetMe 629 67 883ms 4 Dec 2023 716th Creative0708 🇨🇦 628 121 115ms 16 Dec 2023 716th mousetail 🇳🇱 628 121 114ms 24 Mar 2024 718th snoozingnewt 🇨🇦 624 109 103ms 29 Nov 2025 719th HumanoidCPU 623 67 42ms 5 Jun 2024 720th commandz0 🇺🇸 623 90 11ms 1 Dec 2023 First Prev 641–720 of 1,536 Next Last