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 MarcMush 🇫🇷 969 32 9ms 20 Oct 2021 76th danielweper 969 32 10ms 21 Oct 2021 76th ozefe 🇹🇷 969 32 10ms 28 Oct 2021 76th Bubbler-4 969 32 10ms 3 Nov 2021 76th shellbertt 🇨🇦 969 32 10ms 3 Nov 2021 76th ZakkkkAttackkkk 🇵🇭 969 32 9ms 3 Nov 2021 76th aglahir1 969 32 9ms 5 Nov 2021 76th CodyMiner 969 32 10ms 11 Nov 2021 76th xy3 🇮🇪 969 32 9ms 18 Nov 2021 76th Anonymousellama21 969 32 9ms 24 Nov 2021 76th sleepyStick 969 32 9ms 4 Dec 2021 76th LouisRustenholz 969 32 9ms 23 Dec 2021 76th chayleaf 969 32 10ms 7 Jan 2022 76th TimHuisman1703 969 32 10ms 7 Jan 2022 76th razetime 969 32 9ms 12 Jan 2022 76th QuincyNash 🇺🇸 969 32 9ms 14 Jan 2022 76th CuboidRaptor 🇨🇦 969 32 10ms 18 Jan 2022 76th lovernj 969 32 9ms 21 Jan 2022 76th Bonjour27891 🇻🇳 969 32 10ms 25 Jan 2022 76th thealtofwar 969 32 10ms 31 Jan 2022 76th varhammer 969 32 10ms 31 Jan 2022 76th aposteriorist 🇨🇦 969 32 9ms 15 Feb 2022 76th RoscoeDaWah 🇬🇧 969 32 10ms 15 Feb 2022 76th nick99nack 969 32 9ms 15 Feb 2022 76th j-Ewan 969 32 9ms 16 Feb 2022 76th MichaelMBradley 🇨🇦 969 32 10ms 16 Feb 2022 76th guilhem-roy 🇫🇷 969 32 9ms 23 Feb 2022 76th ValNyz 969 32 10ms 23 Feb 2022 76th Great-Gamer 969 32 9ms 24 Feb 2022 76th hellwue 969 32 9ms 2 Mar 2022 76th mathisfun271 969 32 9ms 6 Mar 2022 76th vodker1 969 32 10ms 7 Mar 2022 76th gitbedd 🇬🇧 969 32 9ms 13 Mar 2022 76th Drew-j-Smith 969 32 10ms 29 Mar 2022 76th pandaninjas 969 32 9ms 1 Apr 2022 76th EthanGrant1 969 32 10ms 13 Apr 2022 76th Yareeeema 969 32 10ms 13 Apr 2022 76th jm600 969 32 9ms 14 Apr 2022 76th pyrolitic 🇮🇪 969 32 9ms 27 Apr 2022 76th tkr-sh 🇰🇵 969 32 10ms 28 Apr 2022 76th Romain-1 🇫🇷 969 32 9ms 28 Apr 2022 76th GeneralTwi 969 32 9ms 4 May 2022 76th MichalMarsalek 🇨🇿 969 32 10ms 6 May 2022 76th Ailko 🇧🇪 969 32 10ms 6 May 2022 76th andre-de-lorde 969 32 9ms 6 May 2022 76th Jaydosu 969 32 10ms 10 May 2022 76th ophact 969 32 9ms 11 May 2022 76th connorslade 969 32 10ms 13 May 2022 76th pengu1n-master 969 32 9ms 20 May 2022 76th Mortis66666 969 32 10ms 27 May 2022 76th AliceFord 969 32 9ms 2 Jun 2022 76th solmyr2000 969 32 9ms 12 Jun 2022 76th nullie 969 32 9ms 14 Jun 2022 76th k3w1k0d3r 969 32 9ms 22 Jun 2022 76th Educorreia932 969 32 9ms 22 Jun 2022 76th shinh 969 32 9ms 28 Jun 2022 76th dylan-dang 969 32 10ms 1 Jul 2022 76th BREMAUCY 🇫🇷 969 32 10ms 5 Jul 2022 76th michael-pruglo 🇺🇦 969 32 9ms 6 Jul 2022 76th shachy 969 32 10ms 15 Jul 2022 76th jroscoe5 969 32 9ms 21 Jul 2022 76th abrn 969 32 10ms 30 Jul 2022 76th InigoK 🇺🇸 969 32 10ms 2 Aug 2022 76th P-Quentin 🇫🇷 969 32 9ms 3 Aug 2022 76th 5quiwyrm 969 32 10ms 3 Aug 2022 76th hamhub7 969 32 9ms 4 Aug 2022 76th bthalheim 969 32 10ms 5 Aug 2022 76th jaxmattfair 🇺🇸 969 32 9ms 5 Aug 2022 76th vhoulbreque 🇫🇷 969 32 10ms 15 Aug 2022 76th kcinnu 🇱🇹 969 32 11ms 17 Aug 2022 76th commandz0 🇺🇸 969 32 10ms 18 Aug 2022 76th Liastrae 969 32 9ms 22 Aug 2022 76th tcql 🇺🇸 969 32 10ms 22 Aug 2022 76th Bananapants22 969 32 9ms 4 Sep 2022 76th trist224 🇫🇷 969 32 9ms 15 Sep 2022 76th 4hg 🇺🇸 969 32 10ms 17 Sep 2022 76th LogicalJoe 969 32 9ms 26 Sep 2022 76th pyuraii 969 32 9ms 27 Sep 2022 76th MaxElf999 969 32 9ms 27 Sep 2022 76th fredrik-bakke 🇳🇴 969 32 10ms 29 Sep 2022 First Prev 321–400 of 892 Next Last