Gray Code Decoder in Python 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 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 Bytes Time Submitted 1st khvdm 1,000 69 137ms 13 Jan 2025 1st 4atj 1,000 69 1,062ms 21 May 2025 3rd btnlq 986 70 193ms 4 Dec 2024 3rd error256 986 70 129ms 15 Jan 2026 3rd Seek64 🇩🇪 986 70 116ms 8 days ago 6th ovs-code 🇩🇪 972 71 134ms 8 days ago 7th aksyristos 958 72 247ms 20 days ago 7th blaztoma 🇱🇹 958 72 151ms 8 days ago 7th Emutis 🇱🇹 958 72 121ms 8 days ago 7th zacjl 958 72 131ms 6 days ago 11th pardouin 🇫🇷 945 73 179ms 14 Feb 2026 11th Steffan153 🇫🇮 945 73 1,300ms 19 Feb 2026 13th lukegustafson 🇺🇸 932 74 189ms 23 days ago 14th kg583 🇺🇸 920 75 38ms 1 Dec 2024 14th hallvabo 🇳🇴 920 75 131ms 30 Dec 2024 14th Natanaelel 🇸🇪 920 75 19ms 11 May 2025 14th commandz0 🇺🇸 920 75 1,210ms 27 Aug 2025 14th GolfingSuccess 🇬🇷 920 75 19ms 11 Jan 2026 14th madex 🇩🇪 920 75 26ms 14 days ago 14th CaedenHarper 🇨🇦 920 75 149ms 11 days ago 14th fuzzylojik-golf 🇺🇸 920 75 123ms 8 days ago 14th edsrzf 🇳🇿 920 75 17ms 7 days ago 14th plcc0 920 75 21ms 7 days ago 14th zgialor-lab 920 75 25ms 7 days ago 14th ndren 920 75 19ms 6 days ago 14th CornerMercury 🇬🇧 920 75 19ms 5 days ago 14th DialFrost 🇸🇬 920 75 25ms 3 days ago 14th sean-niemann 🇺🇸 920 75 178ms 2 days ago 29th AlephSquirrel 908 76 39ms 3 Dec 2025 29th MeWhenI 🇻🇦 908 76 586ms 16 days ago 29th duckyluuk 🇳🇱 908 76 200ms 6 days ago 32nd lifthrasiir 🇰🇷 896 77 192ms 11 Dec 2024 32nd Shanethegamer 🇺🇸 896 77 19ms 13 Dec 2024 32nd emgordon154 896 77 161ms 9 May 2025 32nd addmai 896 77 20ms 24 Jul 2025 32nd hiichbindermax 896 77 17ms 17 Aug 2025 32nd 5cw 🇺🇸 896 77 18ms 22 Aug 2025 32nd davecame 896 77 135ms 25 Sep 2025 32nd SirBogman 🇺🇸 896 77 232ms 13 Oct 2025 32nd jtaxen 896 77 19ms 16 Oct 2025 32nd albanian-laundromat 896 77 19ms 25 Nov 2025 32nd anter69 🇭🇺 896 77 133ms 4 Feb 2026 32nd Matter1024 🇮🇳 896 77 17ms 12 Feb 2026 32nd KasperKivimaeki 🇫🇮 896 77 564ms 16 days ago 32nd StefanHabel 🇨🇦 896 77 1,217ms 8 days ago 32nd ahmetdemirag 🇨🇾 896 77 18ms 8 days ago 32nd tomh1012 896 77 17ms 8 days ago 32nd HumanoidCPU 896 77 230ms 7 days ago 32nd qpwoeirut 896 77 19ms 7 days ago 32nd btjones0 896 77 19ms 7 days ago 32nd ComradeSquirrel 896 77 18ms 7 days ago 32nd bzijlema 🇳🇱 896 77 18ms 7 days ago 32nd Lv0Sys 🇵🇱 896 77 18ms 6 days ago 32nd stefangimmillaro 896 77 136ms 3 days ago 32nd LostSyntax21 🇬🇧 896 77 18ms 3 days ago 32nd scpchicken 🇵🇼 896 77 18ms 19 hours ago 32nd Andrey2001 896 77 18ms 12 hours ago 32nd guilhem-roy 🇫🇷 896 77 19ms 4 hours ago 59th jameswmccarty 885 78 19ms 29 Mar 2025 59th solisolu 885 78 20ms 10 Nov 2025 61st BREMAUCY 🇫🇷 873 79 18ms 8 days ago 61st mishak-sys 873 79 411ms 6 days ago 61st firegene 🇮🇪 873 79 18ms 32 hours ago 61st KatieLG 🇬🇧 873 79 19ms 22 hours ago 65th Aquateraneal 🇺🇸 852 81 19ms 5 days ago 65th luuumine 🇫🇷 852 81 16ms 5 days ago 67th bricknellj 841 82 17ms 30 Jan 2025 67th dokutan 841 82 17ms 15 Aug 2025 69th msbranicky 831 83 18ms 5 days ago 70th JOrE20 690 100 42ms 15 Dec 2025 71st retrohun 622 111 41ms 8 days ago 72nd AstroOrbis 548 126 23ms 12 Aug 2025 1–72 of 72