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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers 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 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 Bytes Time Submitted 641st caleblin125 532 110 21ms 12 days ago 642nd jusaka 524 126 112ms 11 days ago 643rd jusaka 518 175 307ms 11 days ago 644th jusaka 514 121 17ms 11 days ago 645th madex 🇩🇪 509 112 1,553ms 28 Mar 2026 646th emgordon154 507 150 15ms 9 May 2025 647th jusaka 504 73 1,652ms 11 days ago 648th jusaka 498 148 16ms 11 days ago 649th KrausRaus 🇺🇸 497 83 13ms 27 Mar 2026 650th FlorianCassayre 🇫🇷 496 118 20ms 14 days ago 651st albanian-laundromat 🇺🇸 492 57 276ms 23 Mar 2026 652nd jusaka 481 98 189ms 11 days ago 653rd jusaka 479 95 141ms 10 days ago 654th HumanoidCPU 476 59 294ms 27 days ago 655th madex 🇩🇪 473 85 70ms 28 Mar 2026 656th dokutan 473 158 78ms 27 Mar 2026 657th dokutan 471 121 1,611ms 6 days ago 658th jusaka 462 87 69ms 11 days ago 659th jusaka 460 190 284ms 10 days ago 660th CaedenHarper 🇨🇦 452 89 101ms 23 Mar 2026 661st madex 🇩🇪 448 204 32ms 28 Mar 2026 662nd kasarino 445 157 12ms 25 Mar 2026 663rd jusaka 440 163 164ms 11 days ago 664th MeWhenI 🇻🇦 436 83 74ms 20 days ago 665th jusaka 430 138 447ms 11 days ago 666th jusaka 426 73 41ms 11 days ago 667th dokutan 424 84 5ms 8 days ago 668th jusaka 418 106 788ms 11 days ago 669th jusaka 418 143 128ms 11 days ago 670th RYSF13 🇨🇳 416 168 13ms 25 Jun 2025 671st emplv 🇱🇻 408 216 65ms 21 days ago 672nd jusaka 389 170 112ms 11 days ago 673rd jusaka 386 182 227ms 11 days ago 674th HumanoidCPU 374 200 422ms 27 Mar 2026 675th jusaka 361 140 19ms 10 days ago 676th jusaka 360 182 6ms 11 days ago 677th jusaka 359 115 13ms 11 days ago 678th jusaka 355 178 118ms 11 days ago 679th jusaka 351 73 4ms 11 days ago 680th jusaka 346 220 17ms 11 days ago 681st jusaka 339 116 7ms 11 days ago 682nd jusaka 339 168 1,476ms 11 days ago 683rd jusaka 338 213 45ms 11 days ago 684th jusaka 330 303 24ms 11 days ago 685th jusaka 327 109 5ms 10 days ago 686th jusaka 323 87 247ms 10 days ago 687th Msleizak 🇫🇷 319 88 530ms 27 days ago 688th kasarino 310 175 56ms 14 days ago 689th jusaka 309 90 38ms 10 days ago 690th jusaka 304 301 28ms 11 days ago 691st jusaka 300 158 68ms 10 days ago 692nd jusaka 297 122 78ms 10 days ago 693rd jusaka 284 246 13ms 11 days ago 694th jusaka 273 323 69ms 11 days ago 695th jusaka 265 216 8ms 10 days ago 696th jusaka 246 277 401ms 11 days ago 697th jusaka 245 153 67ms 10 days ago 698th jusaka 238 336 22ms 10 days ago 699th jusaka 230 177 9ms 10 days ago 700th jusaka 225 226 207ms 11 days ago 701st jusaka 216 335 54ms 10 days ago 702nd jusaka 199 521 56ms 10 days ago 703rd jusaka 199 818 1,226ms 11 days ago 704th JOrE20 196 381 2,533ms 29 Dec 2025 705th jusaka 188 235 49ms 11 days ago 706th jusaka 161 466 1,425ms 11 days ago 707th jusaka 142 363 5ms 10 days ago 708th jusaka 113 1,704 31ms 10 days ago 709th jusaka 82 834 50ms 11 days ago 710th CaedenHarper 🇨🇦 61 853 610ms 22 Mar 2026 711th namelessiw 0 6 160ms 13 Oct 2025 711th Shanethegamer 🇺🇸 0 6 193ms 20 Oct 2025 711th GolfingSuccess 🇬🇷 0 6 156ms 13 Dec 2025 714th Natanaelel 🇸🇪 0 7 56ms 2 May 2025 714th 2bular 0 7 58ms 2 May 2025 714th kg583 🇺🇸 0 7 275ms 8 May 2025 714th GolfingSuccess 🇬🇷 0 7 281ms 14 May 2025 714th Shanethegamer 🇺🇸 0 7 56ms 30 May 2025 714th JOrE20 0 7 261ms 27 Feb 2026 714th darrenks 🇺🇸 0 7 59ms 24 Mar 2026 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