Gray Code Decoder 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 80th stefangimmillaro 866 45 1,255ms 7 days ago 80th Steffan153 🇫🇮 866 45 1,228ms 9 hours ago 83rd ovs-code 🇩🇪 866 48 316ms 23 Feb 2025 83rd antimon2 🇯🇵 866 48 264ms 7 days ago 85th namelessiw 865 67 407ms 2 Nov 2025 86th Natanaelel 🇸🇪 862 29 35ms 11 May 2025 86th ovs-code 🇩🇪 862 29 40ms 9 Oct 2025 88th pardouin 🇫🇷 862 53 2,617ms 19 Feb 2026 88th edsrzf 🇳🇿 862 53 2,583ms 7 days ago 88th Steffan153 🇫🇮 862 53 2,512ms 2 days ago 91st GolfingSuccess 🇬🇷 861 27 27ms 26 Jan 2026 92nd Shanethegamer 🇺🇸 860 54 31ms 13 Dec 2024 92nd error256 860 54 26ms 2 May 2025 92nd emgordon154 860 54 41ms 8 days ago 92nd ComradeSquirrel 860 54 40ms 6 days ago 92nd helbling 🇨🇭 860 54 40ms 6 days ago 97th kumavale 860 96 160ms 6 days ago 98th GolfingSuccess 🇬🇷 859 56 9ms 14 Jan 2026 98th kg583 🇺🇸 859 56 9ms 14 Jan 2026 98th edsrzf 🇳🇿 859 56 9ms 7 days ago 98th Steffan153 🇫🇮 859 56 9ms 8 hours ago 102nd Steffan153 🇫🇮 857 78 454ms 2 days ago 102nd sean-niemann 🇺🇸 857 78 413ms 46 hours ago 104th Steffan153 🇫🇮 856 60 107ms 3 days ago 105th error256 856 70 18ms 18 days ago 106th error256 856 114 513ms 29 Jan 2026 106th edsrzf 🇳🇿 856 114 489ms 6 days ago 108th Steffan153 🇫🇮 854 48 5ms 9 hours ago 109th error256 854 64 4,375ms 15 Jan 2026 110th Steffan153 🇫🇮 853 38 260ms 9 hours ago 111th GolfingSuccess 🇬🇷 853 57 213ms 22 days ago 111th rucin93 🇵🇱 853 57 211ms 22 days ago 111th Steffan153 🇫🇮 853 57 179ms 2 days ago 114th GolfingSuccess 🇬🇷 853 66 10ms 12 Jan 2026 114th edsrzf 🇳🇿 853 66 10ms 7 days ago 114th Steffan153 🇫🇮 853 66 10ms 6 days ago 117th lifthrasiir 🇰🇷 852 59 572ms 11 Dec 2024 117th ovs-code 🇩🇪 852 59 412ms 23 Feb 2025 119th edsrzf 🇳🇿 851 69 394ms 7 days ago 119th Steffan153 🇫🇮 851 69 393ms 4 hours ago 119th Steffan153 🇫🇮 851 69 7ms 3 hours ago 122nd error256 849 49 312ms 13 Jan 2026 123rd ovs-code 🇩🇪 848 46 11ms 4 days ago 123rd emgordon154 848 46 11ms 3 days ago 123rd Steffan153 🇫🇮 848 46 11ms 2 days ago 126th dokutan 847 66 19ms 18 Aug 2025 127th stefangimmillaro 847 78 129ms 26 hours ago 127th Steffan153 🇫🇮 847 78 129ms 4 hours ago 129th albanian-laundromat 846 54 2,566ms 18 Feb 2026 130th GolfingSuccess 🇬🇷 845 49 38ms 12 Jan 2026 130th albanian-laundromat 845 49 33ms 23 days ago 130th MeWhenI 🇻🇦 845 49 33ms 6 days ago 133rd saito-ta 🇯🇵 845 74 3ms 11 May 2025 133rd error256 845 74 3ms 12 Jan 2026 135th edsrzf 🇳🇿 845 83 1,251ms 7 days ago 135th Steffan153 🇫🇮 845 83 1,350ms 4 hours ago 137th GolfingSuccess 🇬🇷 845 85 25ms 14 Jan 2026 137th edsrzf 🇳🇿 845 85 28ms 7 days ago 139th DialFrost 🇸🇬 844 55 39ms 5 days ago 140th Steffan153 🇫🇮 844 70 132ms 6 hours ago 141st edsrzf 🇳🇿 844 71 18ms 7 days ago 141st kg583 🇺🇸 844 71 18ms 7 days ago 141st Steffan153 🇫🇮 844 71 17ms 2 days ago 141st GolfingSuccess 🇬🇷 844 71 18ms 3 hours ago 145th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 146th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 146th error256 843 91 293ms 14 Jan 2026 146th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 146th Natanaelel 🇸🇪 843 91 311ms 7 days ago 146th edsrzf 🇳🇿 843 91 546ms 7 hours ago 146th Steffan153 🇫🇮 843 91 285ms 7 hours ago 152nd Natanaelel 🇸🇪 842 38 41ms 8 May 2025 152nd ovs-code 🇩🇪 842 38 38ms 13 Jan 2026 152nd Steffan153 🇫🇮 842 38 77ms 19 Feb 2026 152nd pardouin 🇫🇷 842 38 37ms 19 Feb 2026 156th Steffan153 🇫🇮 842 62 56ms 7 hours ago 157th error256 842 98 155ms 16 Jan 2026 157th edsrzf 🇳🇿 842 98 157ms 6 days ago 159th madex 🇩🇪 840 67 9ms 5 days ago 160th GolfingSuccess 🇬🇷 840 69 447ms 14 Jan 2026 First Prev 81–160 of 469 Next Last