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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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 79th kg583 🇺🇸 0 56 9ms 14 Jan 2026 79th GolfingSuccess 🇬🇷 0 56 488ms 22 Jan 2026 79th Steffan153 🇫🇮 0 56 447ms 19 Feb 2026 79th edsrzf 🇳🇿 0 56 9ms 9 mins ago 85th edsrzf 🇳🇿 0 57 13ms 10 May 2025 85th pardouin 🇫🇷 0 57 572ms 14 Feb 2026 85th GolfingSuccess 🇬🇷 0 57 213ms 15 days ago 85th rucin93 🇵🇱 0 57 211ms 15 days ago 89th sean-niemann 🇺🇸 0 58 163ms 15 Jan 2026 90th lifthrasiir 🇰🇷 0 59 572ms 11 Dec 2024 90th ovs-code 🇩🇪 0 59 413ms 23 Feb 2025 90th error256 0 59 68ms 13 Jan 2026 90th madex 🇩🇪 0 59 2,743ms 3 days ago 94th khvdm 0 60 144ms 13 Jan 2025 94th emgordon154 0 60 379ms 9 May 2025 94th albanian-laundromat 0 60 369ms 22 Feb 2026 94th sean-niemann 🇺🇸 0 60 458ms 2 days ago 94th Seek64 🇩🇪 0 60 125ms 3 hours ago 99th DialFrost 🇸🇬 0 61 25ms 24 Feb 2025 99th voytxt 🇨🇿 0 61 62ms 1 Jan 2026 99th albanian-laundromat 0 61 26ms 20 days ago 99th aksyristos 0 61 11ms 6 days ago 103rd Andrey-Plotnikov 0 62 36ms 12 Jan 2025 103rd XenThe 🇬🇧 0 62 11ms 15 Jul 2025 103rd pardouin 🇫🇷 0 62 192ms 14 Feb 2026 103rd Steffan153 🇫🇮 0 62 200ms 21 Feb 2026 103rd JOrE20 0 62 28ms 25 days ago 108th kg583 🇺🇸 0 63 904ms 1 Dec 2024 108th hallvabo 🇳🇴 0 63 150ms 30 Dec 2024 108th Shanethegamer 🇺🇸 0 63 198ms 7 May 2025 108th sean-niemann 🇺🇸 0 63 7ms 9 May 2025 108th rucin93 🇵🇱 0 63 7ms 10 May 2025 108th edsrzf 🇳🇿 0 63 6ms 10 May 2025 108th targrik 0 63 7ms 8 Oct 2025 108th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 108th fuzzylojik-golf 🇺🇸 0 63 142ms 19 hours ago 117th CornerMercury 🇬🇧 0 64 19ms 3 Dec 2024 117th ndren 0 64 18ms 3 Dec 2024 117th lifthrasiir 🇰🇷 0 64 182ms 11 Dec 2024 117th emgordon154 0 64 19ms 9 May 2025 117th error256 0 64 4,375ms 15 Jan 2026 117th anter69 🇭🇺 0 64 19ms 4 Feb 2026 117th albanian-laundromat 0 64 18ms 22 Feb 2026 117th albanian-laundromat 0 64 547ms 23 Feb 2026 125th Shanethegamer 🇺🇸 0 65 257ms 13 Dec 2024 125th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 125th dokutan 0 65 359ms 14 Feb 2026 128th dokutan 0 66 19ms 18 Aug 2025 128th Yax42 🇫🇷 0 66 470ms 6 Jan 2026 128th AdrienHache 🇫🇷 0 66 430ms 6 Jan 2026 128th GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 132nd Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 132nd Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 132nd namelessiw 0 67 407ms 2 Nov 2025 132nd error256 0 67 111ms 30 Jan 2026 132nd CaedenHarper 🇨🇦 0 67 553ms 3 days ago 132nd fuzzylojik-golf 🇺🇸 0 67 490ms 19 hours ago 138th Yax42 🇫🇷 0 68 12ms 3 hours ago 139th 4atj 0 69 1,159ms 21 May 2025 139th GolfingSuccess 🇬🇷 0 69 447ms 14 Jan 2026 139th error256 0 69 410ms 46 hours ago 142nd btnlq 0 70 193ms 4 Dec 2024 142nd kg583 🇺🇸 0 70 128ms 3 Oct 2025 142nd error256 0 70 133ms 15 Jan 2026 142nd error256 0 70 18ms 11 days ago 146th GolfingSuccess 🇬🇷 0 71 4ms 12 Jan 2026 146th GolfingSuccess 🇬🇷 0 71 25ms 12 Jan 2026 146th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 146th ovs-code 🇩🇪 0 71 134ms 71 mins ago 150th edsrzf 🇳🇿 0 72 546ms 9 May 2025 150th kg583 🇺🇸 0 72 18ms 2 Oct 2025 150th rucin93 🇵🇱 0 72 9ms 17 days ago 150th aksyristos 0 72 247ms 12 days ago 150th blaztoma 🇱🇹 0 72 123ms 5 hours ago 150th Emutis 🇱🇹 0 72 121ms 4 hours ago 156th IISResetMe 0 73 429ms 10 Jan 2026 157th rhdqor213 0 74 3ms 11 May 2025 157th saito-ta 🇯🇵 0 74 3ms 11 May 2025 157th error256 0 74 3ms 12 Jan 2026 157th dokutan 0 74 65ms 8 Feb 2026 First Prev 81–160 of 294 Next Last