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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 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 Chars Time Submitted 641st jusaka 514 121 17ms 10 days ago 642nd madex 🇩🇪 509 112 1,553ms 28 Mar 2026 643rd emgordon154 507 150 15ms 9 May 2025 644th jusaka 504 73 1,652ms 11 days ago 645th jusaka 498 148 16ms 11 days ago 646th KrausRaus 🇺🇸 497 83 13ms 27 Mar 2026 647th albanian-laundromat 🇺🇸 492 57 276ms 23 Mar 2026 648th caleblin125 481 110 21ms 12 days ago 649th jusaka 479 95 141ms 10 days ago 650th HumanoidCPU 476 59 294ms 27 days ago 651st madex 🇩🇪 473 85 70ms 28 Mar 2026 652nd dokutan 473 158 78ms 27 Mar 2026 653rd dokutan 471 121 1,611ms 6 days ago 654th jusaka 468 136 337ms 11 days ago 655th jusaka 465 96 189ms 11 days ago 656th jusaka 462 87 69ms 10 days ago 657th jusaka 460 190 284ms 10 days ago 658th CaedenHarper 🇨🇦 452 89 101ms 23 Mar 2026 659th madex 🇩🇪 448 204 32ms 28 Mar 2026 660th kasarino 445 157 12ms 25 Mar 2026 661st jusaka 440 163 164ms 11 days ago 662nd MeWhenI 🇻🇦 436 83 74ms 20 days ago 663rd jusaka 430 138 447ms 11 days ago 664th jusaka 426 73 41ms 11 days ago 665th dokutan 424 84 5ms 8 days ago 666th jusaka 418 106 1,408ms 11 days ago 667th jusaka 418 143 128ms 11 days ago 668th RYSF13 🇨🇳 416 168 13ms 25 Jun 2025 669th emplv 🇱🇻 408 216 65ms 21 days ago 670th jusaka 389 170 112ms 11 days ago 671st jusaka 386 182 227ms 10 days ago 672nd HumanoidCPU 374 200 422ms 27 Mar 2026 673rd jusaka 361 140 19ms 10 days ago 674th jusaka 360 182 6ms 11 days ago 675th jusaka 359 115 13ms 11 days ago 676th jusaka 355 178 118ms 11 days ago 677th jusaka 351 73 4ms 11 days ago 678th jusaka 346 220 17ms 10 days ago 679th jusaka 339 116 7ms 11 days ago 680th jusaka 339 168 1,476ms 11 days ago 681st jusaka 338 213 45ms 10 days ago 682nd jusaka 330 303 24ms 10 days ago 683rd jusaka 327 109 5ms 10 days ago 684th jusaka 323 87 247ms 10 days ago 685th Msleizak 🇫🇷 319 88 530ms 27 days ago 686th kasarino 310 175 56ms 14 days ago 687th jusaka 309 90 38ms 10 days ago 688th jusaka 304 301 28ms 11 days ago 689th jusaka 300 158 68ms 10 days ago 690th jusaka 297 122 78ms 10 days ago 691st jusaka 284 246 13ms 11 days ago 692nd jusaka 273 323 69ms 10 days ago 693rd jusaka 265 216 8ms 10 days ago 694th jusaka 246 277 405ms 11 days ago 695th jusaka 238 336 22ms 10 days ago 696th jusaka 230 177 9ms 10 days ago 697th jusaka 225 226 207ms 10 days ago 698th jusaka 216 335 54ms 10 days ago 699th jusaka 199 521 56ms 10 days ago 700th jusaka 199 818 1,226ms 10 days ago 701st JOrE20 196 381 2,533ms 29 Dec 2025 702nd jusaka 188 235 49ms 10 days ago 703rd jusaka 161 466 1,425ms 11 days ago 704th jusaka 142 363 5ms 10 days ago 705th jusaka 113 1,704 31ms 10 days ago 706th jusaka 82 834 50ms 10 days ago 707th CaedenHarper 🇨🇦 61 853 610ms 22 Mar 2026 708th namelessiw 0 5 160ms 13 Oct 2025 708th Shanethegamer 🇺🇸 0 5 193ms 20 Oct 2025 708th GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 711th GolfingSuccess 🇬🇷 0 6 276ms 14 May 2025 711th kg583 🇺🇸 0 6 287ms 14 May 2025 711th JOrE20 0 6 267ms 27 Feb 2026 711th someCoder-a11y 0 6 163ms 10 days ago 715th Natanaelel 🇸🇪 0 7 56ms 2 May 2025 715th 2bular 0 7 58ms 2 May 2025 715th Shanethegamer 🇺🇸 0 7 56ms 30 May 2025 715th darrenks 🇺🇸 0 7 59ms 24 Mar 2026 715th plcc0 0 7 56ms 26 Mar 2026 720th ovs-code 🇩🇪 0 8 54ms 12 Oct 2025 First 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