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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 80th voytxt 🇨🇿 0 61 28ms 1 Jan 2026 82nd Andrey-Plotnikov 0 62 28ms 12 Jan 2025 82nd pardouin 🇫🇷 0 62 364ms 24 Feb 2025 82nd sean-niemann 🇺🇸 0 62 160ms 19 May 2025 82nd XenThe 🇬🇧 0 62 13ms 15 Jul 2025 82nd sean-niemann 🇺🇸 0 62 465ms 15 Jan 2026 87th Shanethegamer 🇺🇸 0 63 171ms 7 May 2025 87th sean-niemann 🇺🇸 0 63 7ms 9 May 2025 87th rucin93 🇵🇱 0 63 7ms 10 May 2025 87th edsrzf 🇳🇿 0 63 6ms 10 May 2025 87th targrik 0 63 7ms 8 Oct 2025 87th albanian-laundromat 0 63 12ms 7 Dec 2025 87th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 94th error256 0 64 4,551ms 15 Jan 2026 95th albanian-laundromat 0 65 36ms 6 Dec 2025 95th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 97th Yax42 🇫🇷 0 66 398ms 6 Jan 2026 97th AdrienHache 🇫🇷 0 66 426ms 6 Jan 2026 97th GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 97th JOrE20 0 66 32ms 4 days ago 101st Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 101st Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 101st emgordon154 0 67 396ms 9 May 2025 101st namelessiw 0 67 441ms 2 Nov 2025 101st error256 0 67 167ms 17 days ago 106th lifthrasiir 🇰🇷 0 68 559ms 11 Dec 2024 106th Shanethegamer 🇺🇸 0 68 257ms 13 Dec 2024 108th khvdm 0 69 150ms 13 Jan 2025 108th 4atj 0 69 1,159ms 21 May 2025 108th albanian-laundromat 0 69 489ms 6 Dec 2025 108th GolfingSuccess 🇬🇷 0 69 394ms 14 Jan 2026 112th btnlq 0 70 193ms 4 Dec 2024 112th error256 0 70 140ms 15 Jan 2026 114th GolfingSuccess 🇬🇷 0 71 3ms 12 Jan 2026 114th GolfingSuccess 🇬🇷 0 71 27ms 12 Jan 2026 114th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 117th edsrzf 🇳🇿 0 72 546ms 9 May 2025 117th dokutan 0 72 551ms 15 Aug 2025 117th kg583 🇺🇸 0 72 19ms 2 Oct 2025 117th error256 0 72 21ms 12 Jan 2026 121st IISResetMe 0 73 256ms 10 Jan 2026 121st pardouin 🇫🇷 0 73 179ms 36 hours ago 123rd rhdqor213 0 74 3ms 11 May 2025 123rd saito-ta 🇯🇵 0 74 3ms 11 May 2025 123rd kg583 🇺🇸 0 74 138ms 3 Oct 2025 123rd error256 0 74 3ms 12 Jan 2026 127th kg583 🇺🇸 0 75 124ms 1 Dec 2024 127th hallvabo 🇳🇴 0 75 133ms 30 Dec 2024 127th ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 127th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 127th edsrzf 🇳🇿 0 75 708ms 9 May 2025 127th Natanaelel 🇸🇪 0 75 20ms 11 May 2025 127th Seek64 🇩🇪 0 75 131ms 3 Jun 2025 127th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 127th albanian-laundromat 0 75 124ms 5 Jan 2026 127th albanian-laundromat 0 75 400ms 6 Jan 2026 127th GolfingSuccess 🇬🇷 0 75 20ms 11 Jan 2026 138th Shanethegamer 🇺🇸 0 76 144ms 13 Dec 2024 138th edsrzf 🇳🇿 0 76 121ms 10 May 2025 138th ovs-code 🇩🇪 0 76 3ms 10 May 2025 138th AlephSquirrel 0 76 45ms 3 Dec 2025 138th AlephSquirrel 0 76 491ms 3 Dec 2025 143rd CornerMercury 🇬🇧 0 77 19ms 3 Dec 2024 143rd ndren 0 77 20ms 3 Dec 2024 143rd lifthrasiir 🇰🇷 0 77 192ms 11 Dec 2024 143rd Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 143rd DialFrost 🇸🇬 0 77 19ms 8 May 2025 143rd emgordon154 0 77 38ms 9 May 2025 143rd edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 143rd Natanaelel 🇸🇪 0 77 3ms 11 May 2025 143rd lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 143rd addmai 0 77 20ms 24 Jul 2025 143rd hiichbindermax 0 77 21ms 17 Aug 2025 143rd 5cw 🇺🇸 0 77 18ms 22 Aug 2025 143rd davecame 0 77 150ms 25 Sep 2025 143rd SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 143rd jtaxen 0 77 19ms 16 Oct 2025 143rd albanian-laundromat 0 77 19ms 25 Nov 2025 143rd albanian-laundromat 0 77 366ms 6 Dec 2025 143rd anter69 🇭🇺 0 77 20ms 11 days ago First 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