The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Quine in Python 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 76th R4z0rX 969 32 9ms 20 Aug 2024 76th gallium-gonzollium 969 32 10ms 24 Aug 2024 76th TheCatGuy12321 969 32 10ms 26 Aug 2024 76th Mabeloid 🇳🇴 969 32 9ms 27 Aug 2024 76th Mikey-Beep 🇬🇧 969 32 9ms 2 Sep 2024 76th alemelis 969 32 9ms 13 Sep 2024 76th abhishekg999 969 32 10ms 22 Sep 2024 76th JesseNoEyes 🇺🇸 969 32 9ms 25 Sep 2024 76th xyangst 969 32 10ms 27 Sep 2024 76th dtbao20 🇻🇳 969 32 10ms 1 Oct 2024 76th smiksky 🇺🇸 969 32 9ms 16 Oct 2024 76th ahmetdemirag 🇨🇾 969 32 11ms 17 Oct 2024 76th griffinschreiber 969 32 10ms 1 Nov 2024 76th emgordon154 969 32 10ms 7 Nov 2024 76th wh3n3v3r 🇨🇿 969 32 10ms 8 Nov 2024 76th sciencedjinn 969 32 10ms 8 Nov 2024 76th OSYCh314 🇦🇺 969 32 10ms 15 Nov 2024 76th agreegious 969 32 9ms 17 Nov 2024 76th snydej 969 32 10ms 22 Nov 2024 76th Quirkly-Quasar 969 32 13ms 23 Nov 2024 76th JunkIce 969 32 10ms 3 Dec 2024 76th Quirkly-Quasar1 🇺🇸 969 32 10ms 8 Dec 2024 76th shenziyiszy 969 32 10ms 10 Dec 2024 76th croc54 969 32 9ms 16 Dec 2024 76th klixel 🇨🇦 969 32 10ms 17 Dec 2024 76th yujh-yujh 🇬🇸 969 32 10ms 3 Jan 2025 76th ryyyn 🇺🇸 969 32 10ms 7 Jan 2025 76th ridingqwerty 🇺🇸 969 32 10ms 15 Jan 2025 76th LostSyntax21 🇬🇧 969 32 9ms 19 Jan 2025 76th tte0 969 32 10ms 4 Feb 2025 76th plcc0 969 32 9ms 13 Feb 2025 76th DanielBash 969 32 10ms 15 Feb 2025 76th Languag3 969 32 9ms 27 Feb 2025 76th Pyroan 969 32 9ms 11 Mar 2025 76th SOONwasTaken 969 32 9ms 20 Mar 2025 76th not-a-pokemon 969 32 9ms 26 Mar 2025 76th mishak-sys 969 32 10ms 26 Mar 2025 76th Veham 969 32 10ms 9 Apr 2025 76th codereport 🇨🇦 969 32 10ms 19 Apr 2025 76th FEZfan 🇦🇺 969 32 9ms 22 Apr 2025 76th 0dyse 969 32 10ms 29 Apr 2025 76th andrewjc2000 969 32 9ms 30 Apr 2025 76th codewrite 🇬🇧 969 32 10ms 10 May 2025 76th greentruff 969 32 9ms 14 May 2025 76th 40fied4t 969 32 10ms 15 May 2025 76th TheZwierzLF 🇵🇱 969 32 9ms 20 May 2025 76th JOrE-Softwares 969 32 9ms 21 May 2025 76th erikji 969 32 9ms 23 May 2025 76th ffelixm 969 32 9ms 25 May 2025 76th Lv0Sys 🇵🇱 969 32 10ms 26 May 2025 76th RYSF13 🇨🇳 969 32 10ms 26 Jun 2025 76th gigaprofisi 🇺🇸 969 32 11ms 28 Jun 2025 76th YAJUE114514 969 32 10ms 1 Jul 2025 76th KasperKivimaeki 🇫🇮 969 32 9ms 2 Jul 2025 76th qpwoeirut 969 32 10ms 4 Jul 2025 76th xiaoyiming123 969 32 10ms 11 Jul 2025 76th RaBa21 🇭🇺 969 32 10ms 12 Jul 2025 76th wuduculfre 969 32 9ms 21 Jul 2025 76th muser-logiccpu 🇺🇦 969 32 10ms 23 Jul 2025 76th LuisGoncalves05 🇵🇹 969 32 10ms 29 Jul 2025 76th addmai 969 32 10ms 30 Jul 2025 76th wobblybits 969 32 10ms 16 Aug 2025 76th blaztoma 🇱🇹 969 32 9ms 5 Sep 2025 76th kmathis22 969 32 10ms 20 Sep 2025 76th AnAwesomGuy 969 32 10ms 22 Sep 2025 76th jacekwladzinski 969 32 10ms 4 Oct 2025 76th CommandLeo 🇮🇹 969 32 10ms 6 Oct 2025 76th Code-Coder-coder 969 32 10ms 11 Oct 2025 76th luuumine 🇫🇷 969 32 9ms 17 Oct 2025 76th nulzo 969 32 10ms 18 Oct 2025 76th DrakeSeteraO 969 32 9ms 26 Oct 2025 76th rustykitty 🇺🇸 969 32 10ms 31 Oct 2025 76th JOrE20 969 32 9ms 31 Oct 2025 76th hellopir2 969 32 9ms 2 Nov 2025 76th webmiche 969 32 9ms 3 Nov 2025 76th Nyfii 969 32 9ms 10 Nov 2025 76th Skellybob56 969 32 10ms 11 Nov 2025 76th prestosilver 🇺🇸 969 32 9ms 14 Nov 2025 76th Matter1024 🇮🇳 969 32 9ms 15 Nov 2025 76th Cube14yt 969 32 10ms 16 Nov 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