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 481st xsot 🇸🇬 807 44 6ms 22 hours ago 482nd madex 🇩🇪 805 89 174ms 17 days ago 483rd voytxt 🇨🇿 805 200 1,472ms 6 Feb 2026 483rd GolfingSuccess 🇬🇷 805 200 1,729ms 19 days ago 485th albanian-laundromat 🇺🇸 803 86 48ms 6 days ago 486th albanian-laundromat 🇺🇸 803 130 30ms 12 days ago 487th AstroOrbis 801 66 19ms 14 days ago 487th Apfelvater 801 66 20ms 4 days ago 489th Steffan153 🇫🇮 801 87 4ms 17 days ago 490th dokutan 798 53 431ms 15 Aug 2025 490th MeWhenI 🇻🇦 798 53 458ms 21 Nov 2025 490th albanian-laundromat 🇺🇸 798 53 514ms 15 Jan 2026 490th AlephSquirrel 798 53 511ms 21 days ago 490th snoozingnewt 🇨🇦 798 53 456ms 9 days ago 495th JayXon 🇺🇸 798 160 1,649ms 7 days ago 496th madex 🇩🇪 793 83 103ms 15 days ago 497th albanian-laundromat 🇺🇸 791 214 120ms 16 days ago 498th Steffan153 🇫🇮 789 45 6ms 17 days ago 498th sean-niemann 🇺🇸 789 45 7ms 12 hours ago 500th albanian-laundromat 🇺🇸 789 64 188ms 22 days ago 501st msbranicky 789 67 15ms 16 days ago 502nd emgordon154 788 162 1,799ms 18 days ago 503rd dokutan 787 89 476ms 17 days ago 504th UnderKoen 🇳🇱 785 91 2,148ms 13 days ago 505th HumanoidCPU 785 115 324ms 18 days ago 506th Yax42 🇫🇷 783 89 13ms 17 days ago 506th DialFrost 🇸🇬 783 89 12ms 14 days ago 506th solisolu 783 89 4ms 8 days ago 509th saito-ta 🇯🇵 783 128 1,990ms 8 May 2025 510th canissimia 🇦🇶 780 143 15ms 19 days ago 511th dokutan 778 99 409ms 18 days ago 512th flekAI 775 53 12ms 16 hours ago 513th flekAI 774 33 4ms 16 hours ago 514th Pyroan 773 22 92ms 18 days ago 515th madex 🇩🇪 772 46 5ms 5 days ago 516th dokutan 770 58 183ms 18 days ago 517th JOrE20 769 70 41ms 13 Feb 2026 518th GolfingSuccess 🇬🇷 769 135 80ms 16 days ago 519th albanian-laundromat 🇺🇸 767 243 15ms 22 days ago 520th HumanoidCPU 766 48 1,424ms 18 days ago 521st HumanoidCPU 763 101 382ms 18 days ago 522nd JOrE20 759 37 252ms 9 Dec 2025 523rd madex 🇩🇪 758 92 12ms 19 days ago 524th HumanoidCPU 753 52 9ms 14 days ago 525th madex 🇩🇪 753 79 117ms 15 days ago 526th aadenboy 🇺🇸 751 87 7ms 13 days ago 527th CaedenHarper 🇨🇦 750 93 12ms 22 days ago 528th HumanoidCPU 747 96 163ms 19 days ago 529th GolfingSuccess 🇬🇷 740 48 5ms 17 days ago 530th retrohun 731 55 375ms 6 days ago 531st madex 🇩🇪 725 54 11ms 17 days ago 532nd edsrzf 🇳🇿 723 88 352ms 12 days ago 533rd DialFrost 🇸🇬 718 56 2,639ms 16 Dec 2025 534th DialFrost 🇸🇬 717 88 101ms 14 days ago 535th Shanethegamer 🇺🇸 715 89 341ms 6 May 2025 536th ovs-code 🇩🇪 715 237 107ms 18 days ago 537th flekAI 710 101 170ms 11 hours ago 538th JOrE20 708 24 91ms 13 Feb 2026 539th Shanethegamer 🇺🇸 705 84 416ms 26 Nov 2024 539th dokutan 705 84 382ms 17 days ago 541st dokutan 704 99 12ms 17 days ago 542nd HumanoidCPU 697 85 427ms 18 days ago 543rd Shanethegamer 🇺🇸 696 51 4ms 30 Apr 2025 543rd albanian-laundromat 🇺🇸 696 51 5ms 19 days ago 545th madex 🇩🇪 694 130 350ms 15 days ago 546th GolfingSuccess 🇬🇷 693 58 4,193ms 8 May 2025 547th GolfingSuccess 🇬🇷 688 73 16ms 8 May 2025 548th Jonson26 688 112 395ms 2 days ago 549th KatieLG 🇬🇧 682 62 419ms 20 days ago 549th madex 🇩🇪 682 62 448ms 17 days ago 549th flekAI 682 62 393ms 17 hours ago 552nd HumanoidCPU 674 97 7ms 17 days ago 553rd HumanoidCPU 674 101 361ms 18 days ago 554th madex 🇩🇪 673 104 210ms 17 days ago 555th janAkali 🇷🇺 668 102 399ms 12 days ago 556th Shanethegamer 🇺🇸 667 98 7ms 6 May 2025 557th Natanaelel 🇸🇪 665 130 360ms 2 May 2025 558th flekAI 664 136 295ms 11 hours ago 559th flekAI 663 59 7ms 15 hours ago 560th plcc0 654 26 6ms 18 days ago First Prev 481–560 of 670 Next Last