Gray Code Encoder 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 1st namelessiw 0 5 160ms 13 Oct 2025 1st Shanethegamer 🇺🇸 0 5 210ms 20 Oct 2025 1st GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 4th GolfingSuccess 🇬🇷 0 6 269ms 14 May 2025 4th kg583 🇺🇸 0 6 262ms 14 May 2025 4th JOrE20 0 6 277ms 22 days ago 7th Natanaelel 🇸🇪 0 7 68ms 2 May 2025 7th 2bular 0 7 62ms 2 May 2025 7th Shanethegamer 🇺🇸 0 7 56ms 30 May 2025 10th ovs-code 🇩🇪 0 8 61ms 12 Oct 2025 11th GolfingSuccess 🇬🇷 0 13 158ms 8 May 2025 11th Shanethegamer 🇺🇸 0 13 148ms 30 May 2025 13th saito-ta 🇯🇵 0 17 94ms 9 May 2025 13th ovs-code 🇩🇪 0 17 3ms 12 Oct 2025 13th 2bular 0 17 4ms 12 Oct 2025 13th SirBogman 🇺🇸 0 17 4ms 12 Oct 2025 13th GolfingSuccess 🇬🇷 0 17 96ms 13 Dec 2025 18th GolfingSuccess 🇬🇷 0 18 6ms 13 Dec 2025 19th pardouin 🇫🇷 0 19 91ms 25 Feb 2025 19th MeWhenI 🇻🇦 0 19 80ms 8 May 2025 19th emgordon154 0 19 85ms 22 Nov 2025 19th CaedenHarper 🇨🇦 0 19 80ms 30 mins ago 23rd JOrE20 0 24 91ms 13 Feb 2026 24th Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 25th Shanethegamer 🇺🇸 0 27 4ms 26 Nov 2024 25th Natanaelel 🇸🇪 0 27 6ms 8 May 2025 25th saito-ta 🇯🇵 0 27 4ms 8 May 2025 25th Natanaelel 🇸🇪 0 27 4ms 11 May 2025 29th bitsandbeyond 🇳🇱 0 30 383ms 20 Oct 2025 29th 2bular 0 30 40ms 16 Nov 2025 29th ovs-code 🇩🇪 0 30 37ms 16 Nov 2025 29th IISResetMe 0 30 401ms 10 Jan 2026 29th GolfingSuccess 🇬🇷 0 30 493ms 4 Feb 2026 34th Natanaelel 🇸🇪 0 31 193ms 8 May 2025 35th Shanethegamer 🇺🇸 0 32 102ms 26 Nov 2024 35th DialFrost 🇸🇬 0 32 189ms 24 Feb 2025 37th Shanethegamer 🇺🇸 0 33 43ms 9 Dec 2024 37th stefangimmillaro 0 33 42ms 24 Jan 2025 37th radarek 🇵🇱 0 33 38ms 17 Feb 2025 37th DialFrost 🇸🇬 0 33 40ms 24 Feb 2025 37th error256 0 33 38ms 12 Apr 2025 37th MeWhenI 🇻🇦 0 33 39ms 15 Apr 2025 37th Natanaelel 🇸🇪 0 33 39ms 2 May 2025 37th sean-niemann 🇺🇸 0 33 41ms 8 May 2025 37th GolfingSuccess 🇬🇷 0 33 40ms 8 May 2025 37th pardouin 🇫🇷 0 33 41ms 15 Feb 2026 37th Steffan153 🇫🇮 0 33 37ms 19 Feb 2026 48th SirBogman 🇺🇸 0 34 37ms 9 Oct 2025 49th emgordon154 0 36 38ms 9 May 2025 50th JOrE20 0 37 252ms 9 Dec 2025 51st error256 0 40 1,440ms 12 Apr 2025 51st Shanethegamer 🇺🇸 0 40 1,476ms 30 Apr 2025 51st sean-niemann 🇺🇸 0 40 1,463ms 8 May 2025 51st GolfingSuccess 🇬🇷 0 40 1,433ms 8 May 2025 51st pardouin 🇫🇷 0 40 1,420ms 15 Feb 2026 56th GolfingSuccess 🇬🇷 0 41 16ms 8 Aug 2025 57th ovs-code 🇩🇪 0 42 81ms 30 May 2025 58th sean-niemann 🇺🇸 0 43 8ms 8 May 2025 58th targrik 0 43 9ms 3 Sep 2025 60th Shanethegamer 🇺🇸 0 44 12ms 10 Dec 2024 60th DialFrost 🇸🇬 0 44 12ms 24 Feb 2025 60th rucin93 🇵🇱 0 44 10ms 24 Feb 2025 60th error256 0 44 11ms 12 Apr 2025 60th GolfingSuccess 🇬🇷 0 44 9ms 8 May 2025 60th GolfingSuccess 🇬🇷 0 44 12ms 8 May 2025 60th Natanaelel 🇸🇪 0 44 10ms 8 May 2025 60th sean-niemann 🇺🇸 0 44 11ms 8 May 2025 60th edsrzf 🇳🇿 0 44 7ms 10 May 2025 60th 4atj 0 44 11ms 8 Jun 2025 60th lukegustafson 🇺🇸 0 44 12ms 16 Jun 2025 60th JOrE20 0 44 12ms 6 Dec 2025 60th voytxt 🇨🇿 0 44 41ms 6 Feb 2026 60th Steffan153 🇫🇮 0 44 28ms 19 Feb 2026 74th Andrey-Plotnikov 0 45 12ms 10 Jan 2025 74th saito-ta 🇯🇵 0 45 555ms 10 May 2025 74th GolfingSuccess 🇬🇷 0 45 79ms 14 May 2025 74th XenThe 🇬🇧 0 45 12ms 15 Jul 2025 74th smclaughlin-cf 0 45 12ms 14 Oct 2025 74th albanian-laundromat 0 45 32ms 19 mins ago 80th Shanethegamer 🇺🇸 0 46 377ms 26 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