The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 25 hours. Why not try and solve them ahead of time?
Fibonacci in Lua 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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 148th Stockoh 🇫🇷 935 46 1ms 4 Nov 2024 148th madeforlosers 935 46 1ms 22 Nov 2024 148th albanian-laundromat 935 46 1ms 5 Apr 2025 148th camren-m 935 46 2ms 30 May 2025 148th gigaprofisi 🇺🇸 935 46 2ms 15 Nov 2025 166th howmanysmall 915 47 1ms 19 Jan 2018 166th DummySphere 915 47 1ms 3 Feb 2018 166th jotslo 🇬🇧 915 47 1ms 27 Feb 2020 166th astrobits1 915 47 1ms 18 Jan 2022 166th AZ9tumas 915 47 1ms 15 Oct 2022 166th Seis 915 47 1ms 9 Dec 2022 166th mqyhlkahu 915 47 1ms 10 Sep 2023 166th uncertaain 915 47 1ms 28 Dec 2023 174th eiburns 896 48 1ms 7 Sep 2023 174th azure-blondon 896 48 1ms 5 May 2024 174th Zach1031 896 48 1ms 15 Nov 2025 177th warmCabin 878 49 1ms 9 Nov 2019 177th Pengalu 878 49 1ms 30 May 2022 177th Adix-null 🇱🇹 878 49 1ms 1 Aug 2023 177th nyoshe 878 49 1ms 10 Oct 2023 177th esckbd 878 49 1ms 17 Jul 2024 182nd bretthat0 860 50 1ms 8 Sep 2020 183rd saramaebee 843 51 1ms 5 Feb 2018 184th Pyro569 811 53 1ms 3 Jul 2023 184th cominixo 811 53 1ms 10 Apr 2025 186th languidlizard28 796 54 1ms 10 Sep 2021 186th TheDrawingCoder-Gamer 796 54 2ms 2 Jul 2025 188th OfficialCB 782 55 1ms 11 Dec 2023 189th Dazza314 🇬🇧 768 56 1ms 25 May 2021 190th SirDerpyHerp 729 59 1ms 13 Oct 2020 190th kevinnaviapaiva 729 59 1ms 23 Jul 2025 192nd Bernoodle2 717 60 1ms 10 Feb 2022 192nd BuBuaBu 717 60 1ms 29 Aug 2023 194th Saldor010 694 62 1ms 3 Feb 2018 194th EnigmaticError 694 62 1ms 25 Jan 2024 196th sm1lko 672 64 1ms 14 Dec 2022 196th arthvr9 672 64 2ms 23 Oct 2024 198th TornadoCookie 662 65 1ms 17 Oct 2022 198th Phil-RGOMEGA 662 65 1ms 2 Aug 2023 200th ihear100cats 652 66 1ms 12 May 2019 201st sech1p 🇵🇱 642 67 1ms 19 Apr 2021 202nd dillon-duncando 632 68 1ms 30 Nov 2021 203rd nico-bachner 614 70 1ms 28 Dec 2020 204th simonperraud 606 71 1ms 27 Feb 2019 204th JRaspass 🇬🇧 606 71 1ms 28 Dec 2021 206th matrix07012 597 72 1ms 14 May 2019 207th aphrim 🇺🇸 566 76 1ms 11 Mar 2021 208th Visckmart 551 78 121ms 23 Jul 2018 208th venus-as-a-boy 551 78 501ms 22 Oct 2018 208th StronkCheese 🇺🇸 551 78 1ms 1 Feb 2023 208th Kibadda 🇩🇪 551 78 123ms 2 Nov 2023 208th kkoenig 551 78 121ms 22 Dec 2023 213th RatajVaver 544 79 115ms 12 May 2019 213th not-optikk 🇺🇸 544 79 114ms 16 Oct 2020 213th Noah-Fox 544 79 1ms 1 Jun 2022 216th cingulataluke 531 81 115ms 3 Jun 2024 217th emgordon154 512 84 110ms 18 Jan 2025 218th josgilmo 473 91 104ms 16 Apr 2019 219th Lunahere 453 95 102ms 3 May 2021 220th vonKrafft 443 97 106ms 26 Mar 2020 221st Cr3aHal0 305 141 71ms 5 Jul 2019 222nd retrohun 253 170 1ms 21 Dec 2018 223rd mokymok 🇺🇸 250 172 1ms 9 Nov 2021 223rd KatieLG-Transpiler 🇬🇧 250 172 1ms 23 Jun 2022 First Prev 161–224 of 224
