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 bytes. 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 Bytes Time Submitted 76th suwat513 969 32 9ms 29 Sep 2022 76th TheBlupper 969 32 10ms 30 Sep 2022 76th georgehulme 969 32 9ms 6 Oct 2022 76th ldoodle 969 32 9ms 6 Oct 2022 76th ValentinCassayre 969 32 9ms 8 Oct 2022 76th eshilo-draper 969 32 10ms 9 Oct 2022 76th jakobkordez 🇸🇮 969 32 9ms 13 Oct 2022 76th PogLop 🇨🇿 969 32 10ms 15 Oct 2022 76th Nicronmil 969 32 9ms 19 Oct 2022 76th garrisonhh 969 32 10ms 23 Oct 2022 76th AodhanDalton 969 32 10ms 24 Oct 2022 76th bonevbs 969 32 9ms 20 Nov 2022 76th Manitary 969 32 9ms 28 Nov 2022 76th DaCuteRaccoon 969 32 10ms 1 Dec 2022 76th nstearns96 🇬🇧 969 32 10ms 2 Dec 2022 76th TaserTheFox 🇺🇸 969 32 10ms 5 Dec 2022 76th Captain-Quack 969 32 9ms 14 Dec 2022 76th CatsAreFluffy 969 32 10ms 16 Dec 2022 76th hectordubuis 969 32 9ms 16 Dec 2022 76th mousetail 🇳🇱 969 32 9ms 19 Dec 2022 76th StefanHabel 🇨🇦 969 32 9ms 19 Dec 2022 76th daniel-montanari 969 32 10ms 20 Dec 2022 76th 4ndyJ 🇬🇧 969 32 10ms 21 Dec 2022 76th luni-moon 🇺🇸 969 32 9ms 23 Dec 2022 76th nayakrujul 969 32 9ms 24 Dec 2022 76th firegene 🇮🇪 969 32 9ms 2 Jan 2023 76th thehylian 969 32 10ms 4 Jan 2023 76th thatbirdguythatuknownot 969 32 10ms 4 Jan 2023 76th MCausc78 🇺🇦 969 32 10ms 5 Jan 2023 76th wimglenn 969 32 9ms 6 Jan 2023 76th zakariamouhid 969 32 10ms 10 Jan 2023 76th Betuaredead 969 32 9ms 14 Jan 2023 76th eiburns 969 32 10ms 21 Jan 2023 76th Leftykap 969 32 10ms 23 Jan 2023 76th SirFireball3521 969 32 9ms 27 Jan 2023 76th bobxiong88 969 32 10ms 31 Jan 2023 76th cedar-debater 969 32 10ms 1 Feb 2023 76th ashtraypettingzoo 🇺🇸 969 32 9ms 13 Feb 2023 76th KenanHanke 969 32 9ms 21 Feb 2023 76th SectorCorruptor 969 32 10ms 24 Feb 2023 76th 5cw 🇺🇸 969 32 9ms 27 Feb 2023 76th zt14427 969 32 10ms 28 Feb 2023 76th vrnprkh 969 32 10ms 3 Mar 2023 76th adamnielson42 🇺🇸 969 32 10ms 4 Mar 2023 76th ferociouswonderfulgrasseater 969 32 10ms 12 Mar 2023 76th jeff-at-tamer-dot-codes 🇺🇸 969 32 10ms 13 Mar 2023 76th quimey 969 32 10ms 15 Mar 2023 76th GulgDev 969 32 9ms 21 Mar 2023 76th tzlils 969 32 10ms 26 Mar 2023 76th gilufin 969 32 9ms 27 Mar 2023 76th badboj40 969 32 8ms 28 Mar 2023 76th PeterTillema 🇳🇱 969 32 9ms 29 Mar 2023 76th celiendonze 🇨🇭 969 32 10ms 3 Apr 2023 76th markusgraube 969 32 9ms 11 Apr 2023 76th Hortaros 969 32 9ms 15 Apr 2023 76th LeeCamp 969 32 9ms 16 Apr 2023 76th amadeusdotpng 969 32 12ms 27 Apr 2023 76th DrPiranoid 969 32 10ms 28 Apr 2023 76th SoraTenshi 🇩🇪 969 32 9ms 30 Apr 2023 76th Demonarchet 969 32 10ms 1 May 2023 76th kaptsanovb 969 32 9ms 4 May 2023 76th ankeetparikh 969 32 9ms 5 May 2023 76th Yewzir 🇧🇪 969 32 9ms 19 May 2023 76th msbranicky 969 32 9ms 2 Jul 2023 76th fourth-bit 969 32 9ms 3 Jul 2023 76th jmerle 🇳🇱 969 32 10ms 4 Jul 2023 76th fkantelberg 969 32 10ms 14 Jul 2023 76th SB-945 969 32 9ms 30 Jul 2023 76th HumanoidCPU 969 32 9ms 4 Aug 2023 76th anderium 969 32 9ms 5 Aug 2023 76th Xbot781 969 32 9ms 8 Aug 2023 76th Crackson4 969 32 10ms 14 Aug 2023 76th FortuiteMan 🇫🇷 969 32 10ms 15 Aug 2023 76th Alessandro-Balconi 🇮🇹 969 32 9ms 16 Aug 2023 76th adriweb 🇫🇷 969 32 9ms 17 Aug 2023 76th Re-Adventures 🇮🇳 969 32 9ms 19 Aug 2023 76th stackofbears 969 32 9ms 9 Sep 2023 76th dranjohn 969 32 10ms 11 Sep 2023 76th Azearia 969 32 9ms 16 Sep 2023 76th Stanbroek 969 32 9ms 19 Sep 2023 First Prev 401–480 of 892 Next Last