Gray Code Decoder in all languages in bytes. 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 Bytes Time Submitted 79th emgordon154 0 60 281ms 9 May 2025 79th GolfingSuccess 🇬🇷 0 60 445ms 11 Jan 2026 79th Steffan153 🇫🇮 0 60 446ms 6 days ago 84th DialFrost 🇸🇬 0 61 32ms 24 Feb 2025 84th voytxt 🇨🇿 0 61 30ms 1 Jan 2026 86th Andrey-Plotnikov 0 62 39ms 12 Jan 2025 86th pardouin 🇫🇷 0 62 416ms 24 Feb 2025 86th sean-niemann 🇺🇸 0 62 160ms 19 May 2025 86th XenThe 🇬🇧 0 62 15ms 15 Jul 2025 86th sean-niemann 🇺🇸 0 62 401ms 15 Jan 2026 91st Shanethegamer 🇺🇸 0 63 171ms 7 May 2025 91st sean-niemann 🇺🇸 0 63 7ms 9 May 2025 91st rucin93 🇵🇱 0 63 7ms 10 May 2025 91st edsrzf 🇳🇿 0 63 6ms 10 May 2025 91st targrik 0 63 7ms 8 Oct 2025 91st albanian-laundromat 0 63 12ms 7 Dec 2025 91st GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 98th error256 0 64 4,378ms 15 Jan 2026 99th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 100th Yax42 🇫🇷 0 66 398ms 6 Jan 2026 100th AdrienHache 🇫🇷 0 66 423ms 6 Jan 2026 100th GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 100th JOrE20 0 66 30ms 14 days ago 104th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 104th Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 104th emgordon154 0 67 396ms 9 May 2025 104th namelessiw 0 67 441ms 2 Nov 2025 104th error256 0 67 146ms 27 days ago 109th lifthrasiir 🇰🇷 0 68 559ms 11 Dec 2024 109th Shanethegamer 🇺🇸 0 68 257ms 13 Dec 2024 111th khvdm 0 69 142ms 13 Jan 2025 111th 4atj 0 69 1,159ms 21 May 2025 111th albanian-laundromat 0 69 489ms 6 Dec 2025 111th GolfingSuccess 🇬🇷 0 69 394ms 14 Jan 2026 111th albanian-laundromat 0 69 380ms 3 days ago 116th btnlq 0 70 193ms 4 Dec 2024 116th error256 0 70 133ms 15 Jan 2026 118th GolfingSuccess 🇬🇷 0 71 3ms 12 Jan 2026 118th GolfingSuccess 🇬🇷 0 71 25ms 12 Jan 2026 118th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 121st edsrzf 🇳🇿 0 72 546ms 9 May 2025 121st dokutan 0 72 525ms 15 Aug 2025 121st kg583 🇺🇸 0 72 18ms 2 Oct 2025 121st error256 0 72 19ms 12 Jan 2026 125th IISResetMe 0 73 256ms 10 Jan 2026 125th pardouin 🇫🇷 0 73 179ms 11 days ago 125th Steffan153 🇫🇮 0 73 198ms 6 days ago 128th rhdqor213 0 74 3ms 11 May 2025 128th saito-ta 🇯🇵 0 74 3ms 11 May 2025 128th kg583 🇺🇸 0 74 138ms 3 Oct 2025 128th error256 0 74 3ms 12 Jan 2026 132nd kg583 🇺🇸 0 75 124ms 1 Dec 2024 132nd hallvabo 🇳🇴 0 75 131ms 30 Dec 2024 132nd ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 132nd Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 132nd edsrzf 🇳🇿 0 75 669ms 9 May 2025 132nd Natanaelel 🇸🇪 0 75 20ms 11 May 2025 132nd Seek64 🇩🇪 0 75 125ms 3 Jun 2025 132nd commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 132nd albanian-laundromat 0 75 125ms 5 Jan 2026 132nd albanian-laundromat 0 75 370ms 6 Jan 2026 132nd GolfingSuccess 🇬🇷 0 75 18ms 11 Jan 2026 143rd Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 143rd edsrzf 🇳🇿 0 76 111ms 10 May 2025 143rd ovs-code 🇩🇪 0 76 3ms 10 May 2025 143rd AlephSquirrel 0 76 43ms 3 Dec 2025 143rd AlephSquirrel 0 76 445ms 3 Dec 2025 148th CornerMercury 🇬🇧 0 77 19ms 3 Dec 2024 148th ndren 0 77 20ms 3 Dec 2024 148th lifthrasiir 🇰🇷 0 77 192ms 11 Dec 2024 148th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 148th DialFrost 🇸🇬 0 77 19ms 8 May 2025 148th emgordon154 0 77 38ms 9 May 2025 148th edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 148th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 148th lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 148th addmai 0 77 20ms 24 Jul 2025 148th hiichbindermax 0 77 19ms 17 Aug 2025 148th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 148th davecame 0 77 150ms 25 Sep 2025 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