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 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 Chars Time Submitted 561st JOrE20 708 24 91ms 13 Feb 2026 562nd Shanethegamer 🇺🇸 706 84 416ms 26 Nov 2024 562nd dokutan 706 84 382ms 18 days ago 564th dokutan 704 99 12ms 19 days ago 565th HumanoidCPU 698 85 427ms 20 days ago 566th Shanethegamer 🇺🇸 696 51 4ms 30 Apr 2025 566th albanian-laundromat 🇺🇸 696 51 5ms 21 days ago 568th madex 🇩🇪 696 130 350ms 17 days ago 569th GolfingSuccess 🇬🇷 693 58 4,193ms 8 May 2025 570th GolfingSuccess 🇬🇷 688 73 16ms 8 May 2025 571st Jonson26 688 112 395ms 4 days ago 572nd KatieLG 🇬🇧 682 62 419ms 22 days ago 572nd madex 🇩🇪 682 62 448ms 19 days ago 572nd flekAI 682 62 393ms 2 days ago 575th madex 🇩🇪 676 104 210ms 19 days ago 576th HumanoidCPU 674 97 7ms 19 days ago 577th HumanoidCPU 674 101 361ms 20 days ago 578th Natanaelel 🇸🇪 669 130 360ms 2 May 2025 579th janAkali 🇷🇺 668 102 399ms 14 days ago 580th Shanethegamer 🇺🇸 667 98 7ms 6 May 2025 581st flekAI 666 59 7ms 2 days ago 582nd flekAI 665 136 295ms 2 days ago 583rd plcc0 654 26 6ms 20 days ago 584th dokutan 646 140 316ms 18 days ago 585th HumanoidCPU 645 108 13ms 19 days ago 586th albanian-laundromat 🇺🇸 643 99 343ms 24 days ago 587th GolfingSuccess 🇬🇷 643 111 109ms 20 days ago 588th BREMAUCY 🇫🇷 639 40 4ms 12 days ago 589th Shanethegamer 🇺🇸 639 136 315ms 26 Nov 2024 590th Natanaelel 🇸🇪 630 27 6ms 8 May 2025 591st FlorianCassayre 🇫🇷 630 84 19ms 3 days ago 592nd flekAI 624 59 1,297ms 2 days ago 593rd madex 🇩🇪 624 118 17ms 17 days ago 594th HumanoidCPU 618 103 329ms 20 days ago 595th emgordon154 617 71 32ms 17 days ago 596th Alex-x90 🇺🇸 611 114 4ms 2 days ago 597th Shanethegamer 🇺🇸 610 46 279ms 26 Nov 2024 598th flekAI 610 51 44ms 2 days ago 599th flekAI 605 46 113ms 2 days ago 600th HumanoidCPU 602 59 278ms 14 days ago 601st madex 🇩🇪 601 106 334ms 17 days ago 602nd flekAI 599 74 869ms 2 days ago 603rd madex 🇩🇪 593 130 345ms 19 days ago 604th prestosilver 🇺🇸 592 115 411ms 21 days ago 605th albanian-laundromat 🇺🇸 587 150 28ms 24 days ago 606th not-a-pokemon 586 119 15ms 20 days ago 607th madex 🇩🇪 585 48 228ms 19 days ago 608th CaedenHarper 🇨🇦 580 129 452ms 24 days ago 609th flekAI 574 115 705ms 2 days ago 610th retrohun 573 62 5ms 8 days ago 611th flekAI 571 123 223ms 2 days ago 612th madex 🇩🇪 563 121 366ms 17 days ago 613th JOrE20 554 159 69ms 14 Feb 2026 614th flekAI 548 109 117ms 2 days ago 615th madex 🇩🇪 547 182 7ms 17 days ago 616th flekAI 546 141 350ms 2 days ago 617th snoozingnewt 🇨🇦 544 116 113ms 11 days ago 618th snydej 534 99 45ms 22 Nov 2024 619th ComradeSquirrel 524 133 15ms 2 days ago 620th emgordon154 512 150 15ms 9 May 2025 621st madex 🇩🇪 507 112 1,333ms 17 days ago 622nd flekAI 502 89 182ms 2 days ago 623rd KrausRaus 🇺🇸 495 83 17ms 18 days ago 624th albanian-laundromat 🇺🇸 492 57 272ms 22 days ago 625th caleblin125 481 110 22ms 14 hours ago 626th HumanoidCPU 476 59 255ms 16 days ago 627th MeWhenI 🇻🇦 475 83 1,079ms 8 days ago 628th madex 🇩🇪 473 85 70ms 17 days ago 629th dokutan 473 158 73ms 19 days ago 630th CaedenHarper 🇨🇦 452 89 101ms 23 days ago 631st flekAI 448 142 345ms 2 days ago 632nd kasarino 444 157 12ms 20 days ago 633rd madex 🇩🇪 443 204 32ms 17 days ago 634th RYSF13 🇨🇳 415 168 13ms 25 Jun 2025 635th flekAI 414 178 18ms 2 days ago 636th emplv 🇱🇻 408 216 65ms 9 days ago 637th flekAI 406 146 473ms 2 days ago 638th flekAI 403 141 1,463ms 2 days ago 639th HumanoidCPU 374 200 421ms 19 days ago 640th flekAI 332 207 45ms 2 days ago First Prev 561–640 of 693 Next Last