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Gray Code Decoder in Python 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 1st khvdm 1,000 60 161ms 13 Jan 2025 1st Seek64 🇩🇪 1,000 60 125ms 24 Mar 2026 3rd pardouin 🇫🇷 968 62 202ms 14 Feb 2026 3rd Steffan153 🇫🇮 968 62 216ms 21 Feb 2026 5th kg583 🇺🇸 952 63 890ms 1 Dec 2024 5th hallvabo 🇳🇴 952 63 132ms 30 Dec 2024 5th fuzzylojik-golf 🇺🇸 952 63 152ms 24 Mar 2026 5th plcc0 952 63 28ms 25 Mar 2026 5th ndren 952 63 21ms 26 Mar 2026 5th CornerMercury 🇬🇧 952 63 20ms 27 Mar 2026 5th Mukundan314 952 63 122ms 13 days ago 12th lifthrasiir 🇰🇷 938 64 193ms 11 Dec 2024 12th emgordon154 938 64 18ms 9 May 2025 12th anter69 🇭🇺 938 64 23ms 4 Feb 2026 12th albanian-laundromat 🇺🇸 938 64 20ms 22 Feb 2026 12th HumanoidCPU 938 64 284ms 24 Mar 2026 12th snoozingnewt 🇨🇦 938 64 19ms 27 days ago 12th madeforlosers 938 64 21ms 23 days ago 12th dokutan 938 64 18ms 10 days ago 12th jatloe 938 64 20ms 52 mins ago 21st 4atj 870 69 1,250ms 21 May 2025 22nd btnlq 857 70 202ms 4 Dec 2024 22nd error256 857 70 142ms 15 Jan 2026 24th ovs-code 🇩🇪 845 71 124ms 24 Mar 2026 25th aksyristos 833 72 278ms 12 Mar 2026 25th blaztoma 🇱🇹 833 72 158ms 24 Mar 2026 25th Emutis 🇱🇹 833 72 130ms 24 Mar 2026 25th zacjl 833 72 137ms 26 Mar 2026 25th bizy-coder 833 72 129ms 2 Apr 2026 30th lukegustafson 🇺🇸 811 74 194ms 9 Mar 2026 31st Natanaelel 🇸🇪 800 75 20ms 11 May 2025 31st commandz0 🇺🇸 800 75 1,254ms 27 Aug 2025 31st GolfingSuccess 🇬🇷 800 75 18ms 11 Jan 2026 31st madex 🇩🇪 800 75 26ms 18 Mar 2026 31st CaedenHarper 🇨🇦 800 75 158ms 21 Mar 2026 31st edsrzf 🇳🇿 800 75 18ms 25 Mar 2026 31st zgialor-lab 800 75 24ms 25 Mar 2026 31st DialFrost 🇸🇬 800 75 28ms 29 Mar 2026 31st sean-niemann 🇺🇸 800 75 181ms 30 Mar 2026 31st stefangimmillaro 800 75 26ms 26 days ago 31st FortuiteMan 🇫🇷 800 75 23ms 21 days ago 31st vang1ong7ang 🇦🇶 800 75 19ms 5 days ago 43rd AlephSquirrel 789 76 38ms 3 Dec 2025 43rd MeWhenI 🇻🇦 789 76 605ms 16 Mar 2026 43rd duckyluuk 🇳🇱 789 76 117ms 26 Mar 2026 46th Shanethegamer 🇺🇸 779 77 18ms 13 Dec 2024 46th addmai 779 77 20ms 24 Jul 2025 46th hiichbindermax 779 77 18ms 17 Aug 2025 46th 5cw 🇺🇸 779 77 20ms 22 Aug 2025 46th davecame 779 77 142ms 25 Sep 2025 46th SirBogman 🇺🇸 779 77 244ms 13 Oct 2025 46th jtaxen 779 77 27ms 16 Oct 2025 46th Matter1024 🇮🇳 779 77 19ms 12 Feb 2026 46th KasperKivimaeki 🇫🇮 779 77 589ms 16 Mar 2026 46th StefanHabel 🇨🇦 779 77 606ms 24 Mar 2026 46th ahmetdemirag 🇨🇾 779 77 18ms 24 Mar 2026 46th tomh1012 779 77 19ms 24 Mar 2026 46th qpwoeirut 779 77 19ms 25 Mar 2026 46th btjones0 779 77 18ms 25 Mar 2026 46th ComradeSquirrel 779 77 18ms 25 Mar 2026 46th bzijlema 🇳🇱 779 77 19ms 25 Mar 2026 46th Lv0Sys 🇵🇱 779 77 20ms 26 Mar 2026 46th LostSyntax21 🇬🇧 779 77 18ms 29 Mar 2026 46th scpchicken 🇵🇼 779 77 18ms 1 Apr 2026 46th Andrey2001 779 77 19ms 1 Apr 2026 46th guilhem-roy 🇫🇷 779 77 17ms 1 Apr 2026 46th jameswmccarty 779 77 19ms 27 days ago 46th mantaslu 🇱🇹 779 77 18ms 27 days ago 46th firegene 🇮🇪 779 77 18ms 26 days ago 46th Pyroan 779 77 19ms 23 days ago 46th retrohun 779 77 183ms 23 days ago 46th klixel 🇨🇦 779 77 19ms 21 days ago 46th FoxInTheClouds 779 77 19ms 15 days ago 74th solisolu 769 78 41ms 10 Nov 2025 74th Alex-x90 🇺🇸 769 78 21ms 18 days ago 76th BREMAUCY 🇫🇷 759 79 19ms 24 Mar 2026 76th mishak-sys 759 79 418ms 26 Mar 2026 76th KatieLG 🇬🇧 759 79 18ms 1 Apr 2026 76th ZakkkkAttackkkk 🇵🇭 759 79 45ms 23 days ago 76th lelbal 759 79 19ms 15 days ago 81st Aquateraneal 🇺🇸 741 81 22ms 26 Mar 2026 81st luuumine 🇫🇷 741 81 17ms 27 Mar 2026 83rd bricknellj 732 82 18ms 30 Jan 2025 83rd cros107 🇦🇺 732 82 1,060ms 21 days ago 83rd celiendonze 🇨🇭 732 82 18ms 14 days ago 86th msbranicky 723 83 18ms 27 Mar 2026 87th caleblin125 690 87 19ms 15 days ago 88th Mikey-Beep 🇬🇧 606 99 25ms 22 days ago 89th JOrE20 600 100 46ms 15 Dec 2025 89th tails618 600 100 22ms 17 days ago 91st dcc5480 541 111 20ms 15 days ago 92nd AstroOrbis 476 126 32ms 12 Aug 2025 1–92 of 92