Gray Code Encoder in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 150th sean-niemann 🇺🇸 0 75 110ms 8 May 2025 152nd rucin93 🇵🇱 0 77 726ms 8 May 2025 152nd ovs-code 🇩🇪 0 77 91ms 30 May 2025 154th saito-ta 🇯🇵 0 78 4ms 10 May 2025 154th rhdqor213 0 78 6ms 10 May 2025 154th Shanethegamer 🇺🇸 0 78 598ms 22 May 2025 157th GolfingSuccess 🇬🇷 0 79 81ms 14 May 2025 158th sean-niemann 🇺🇸 0 80 462ms 8 May 2025 159th GolfingSuccess 🇬🇷 0 82 471ms 8 May 2025 160th Shanethegamer 🇺🇸 0 83 463ms 26 Nov 2024 160th emgordon154 0 83 157ms 9 May 2025 160th edsrzf 🇳🇿 0 83 407ms 9 Jul 2025 160th Shanethegamer 🇺🇸 0 83 368ms 9 Jul 2025 164th Shanethegamer 🇺🇸 0 84 450ms 26 Nov 2024 164th ovs-code 🇩🇪 0 84 16ms 10 May 2025 166th GolfingSuccess 🇬🇷 0 85 48ms 8 May 2025 166th edsrzf 🇳🇿 0 85 45ms 8 May 2025 166th edsrzf 🇳🇿 0 85 31ms 9 May 2025 166th error256 0 85 26ms 10 May 2025 170th Shanethegamer 🇺🇸 0 86 149ms 17 Dec 2024 170th kg583 🇺🇸 0 86 42ms 16 Feb 2025 170th GolfingSuccess 🇬🇷 0 86 47ms 7 May 2025 170th GolfingSuccess 🇬🇷 0 86 2,029ms 8 May 2025 170th edsrzf 🇳🇿 0 86 155ms 9 May 2025 170th sean-niemann 🇺🇸 0 86 445ms 25 Sep 2025 176th Shanethegamer 🇺🇸 0 87 46ms 15 Apr 2025 176th GolfingSuccess 🇬🇷 0 87 28ms 8 May 2025 176th Shanethegamer 🇺🇸 0 87 29ms 8 May 2025 179th GolfingSuccess 🇬🇷 0 89 14ms 30 Dec 2024 179th Shanethegamer 🇺🇸 0 89 603ms 6 May 2025 179th Shanethegamer 🇺🇸 0 89 374ms 24 Sep 2025 182nd KasperKivimaeki 🇫🇮 0 91 14ms 8 May 2025 183rd namelessiw 0 92 472ms 25 days ago 184th DialFrost 🇸🇬 0 94 16ms 10 May 2025 184th edsrzf 🇳🇿 0 94 203ms 17 May 2025 186th GolfingSuccess 🇬🇷 0 96 202ms 7 May 2025 187th Shanethegamer 🇺🇸 0 98 7ms 6 May 2025 188th snydej 0 99 46ms 22 Nov 2024 189th sean-niemann 🇺🇸 0 102 284ms 8 May 2025 189th Shanethegamer 🇺🇸 0 102 281ms 8 May 2025 189th edsrzf 🇳🇿 0 102 246ms 9 May 2025 189th GolfingSuccess 🇬🇷 0 102 288ms 9 May 2025 193rd lukechampine 0 103 271ms 7 Jun 2025 193rd chris124567 0 103 249ms 8 Jun 2025 195th MeWhenI 🇻🇦 0 114 335ms 8 May 2025 195th GolfingSuccess 🇬🇷 0 114 332ms 8 May 2025 195th edsrzf 🇳🇿 0 114 18ms 10 May 2025 198th GolfingSuccess 🇬🇷 0 118 34ms 28 Jul 2025 199th saito-ta 🇯🇵 0 128 2,163ms 8 May 2025 200th Natanaelel 🇸🇪 0 130 411ms 2 May 2025 201st Shanethegamer 🇺🇸 0 136 339ms 26 Nov 2024 202nd GolfingSuccess 🇬🇷 0 138 321ms 8 May 2025 203rd albanian-laundromat 0 140 24ms 15 Jul 2025 204th emgordon154 0 150 16ms 9 May 2025 205th RYSF13 🇨🇳 0 168 15ms 25 Jun 2025 206th Shanethegamer 🇺🇸 0 197 847ms 1 Feb 2025 First Prev 151–206 of 206