Gray Code Encoder 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 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 641st KrausRaus 🇺🇸 496 83 17ms 19 days ago 642nd FlorianCassayre 🇫🇷 495 118 20ms 3 days ago 643rd albanian-laundromat 🇺🇸 492 57 272ms 23 days ago 644th jusaka 483 98 189ms 2 hours ago 645th HumanoidCPU 476 59 255ms 16 days ago 646th MeWhenI 🇻🇦 475 83 1,079ms 9 days ago 647th madex 🇩🇪 475 85 70ms 18 days ago 648th dokutan 475 158 73ms 19 days ago 649th jusaka 464 87 71ms 34 mins ago 650th CaedenHarper 🇨🇦 453 89 101ms 23 days ago 651st madex 🇩🇪 448 204 32ms 18 days ago 652nd kasarino 445 157 12ms 21 days ago 653rd jusaka 441 163 182ms 3 hours ago 654th jusaka 431 138 381ms 3 hours ago 655th jusaka 426 73 39ms 5 hours ago 656th jusaka 420 106 1,719ms 2 hours ago 657th jusaka 419 143 133ms 3 hours ago 658th RYSF13 🇨🇳 416 168 13ms 25 Jun 2025 659th flekAI 416 178 18ms 2 days ago 660th emplv 🇱🇻 410 216 65ms 10 days ago 661st flekAI 407 146 473ms 2 days ago 662nd flekAI 404 141 1,422ms 2 days ago 663rd jusaka 389 170 112ms 2 hours ago 664th jusaka 387 182 227ms 2 hours ago 665th HumanoidCPU 375 200 421ms 19 days ago 666th jusaka 360 182 6ms 4 hours ago 667th jusaka 358 115 12ms 6 hours ago 668th jusaka 357 178 118ms 3 hours ago 669th jusaka 352 220 17ms 12 mins ago 670th jusaka 351 73 4ms 5 hours ago 671st jusaka 340 213 50ms 31 mins ago 672nd jusaka 339 116 7ms 3 hours ago 673rd jusaka 339 168 1,212ms 3 hours ago 674th flekAI 335 207 45ms 2 days ago 675th jusaka 330 303 26ms 99 mins ago 676th flekAI 325 308 7ms 2 days ago 677th Msleizak 🇫🇷 319 88 412ms 16 days ago 678th flekAI 316 216 380ms 2 days ago 679th flekAI 314 282 31ms 2 days ago 680th kasarino 307 175 56ms 3 days ago 681st jusaka 304 301 28ms 2 hours ago 682nd flekAI 289 97 446ms 2 days ago 683rd flekAI 289 227 7ms 2 days ago 684th jusaka 284 246 13ms 4 hours ago 685th jusaka 274 323 89ms 83 mins ago 686th flekAI 272 234 116ms 2 days ago 687th flekAI 260 155 83ms 2 days ago 688th flekAI 250 279 4ms 2 days ago 689th jusaka 247 277 411ms 2 hours ago 690th flekAI 246 315 17ms 2 days ago 691st flekAI 230 327 453ms 2 days ago 692nd jusaka 225 226 207ms 112 mins ago 693rd flekAI 221 161 5ms 2 days ago 694th flekAI 215 338 54ms 2 days ago 695th jusaka 199 818 1,424ms 97 mins ago 696th JOrE20 197 381 2,566ms 29 Dec 2025 697th flekAI 178 287 198ms 2 days ago 698th jusaka 161 466 1,470ms 4 hours ago 699th jusaka 83 834 50ms 94 mins ago 700th CaedenHarper 🇨🇦 61 853 550ms 23 days ago 701st namelessiw 0 6 160ms 13 Oct 2025 701st Shanethegamer 🇺🇸 0 6 193ms 20 Oct 2025 701st GolfingSuccess 🇬🇷 0 6 156ms 13 Dec 2025 704th Natanaelel 🇸🇪 0 7 59ms 2 May 2025 704th 2bular 0 7 55ms 2 May 2025 704th kg583 🇺🇸 0 7 262ms 8 May 2025 704th GolfingSuccess 🇬🇷 0 7 262ms 14 May 2025 704th Shanethegamer 🇺🇸 0 7 57ms 30 May 2025 704th JOrE20 0 7 267ms 27 Feb 2026 704th darrenks 🇺🇸 0 7 58ms 22 days ago 704th plcc0 0 7 58ms 20 days ago 712th ovs-code 🇩🇪 0 8 55ms 12 Oct 2025 713th GolfingSuccess 🇬🇷 0 13 158ms 8 May 2025 713th Shanethegamer 🇺🇸 0 13 148ms 30 May 2025 715th themoonisacheese 0 18 1,011ms 16 days ago 716th GolfingSuccess 🇬🇷 0 41 16ms 8 Aug 2025 717th Shanethegamer 🇺🇸 0 42 10ms 7 Feb 2026 718th KatieLG 🇬🇧 0 50 16ms 19 days ago 719th Shanethegamer 🇺🇸 0 56 66ms 30 Apr 2025 719th GolfingSuccess 🇬🇷 0 56 70ms 8 May 2025 First Prev 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