The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 7 days. Why not try and solve them ahead of time?
Pangram Grep 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 302nd rustykitty 🇺🇸 828 87 11ms 23 Oct 2025 322nd zuparnowa 818 88 12ms 4 Apr 2019 322nd ay2718 818 88 11ms 12 Aug 2019 322nd henrytranter 818 88 11ms 20 Sep 2019 322nd lordnord 818 88 16ms 28 Jan 2020 322nd jmhowl 818 88 10ms 25 Mar 2020 322nd SupImDos 818 88 11ms 25 Jun 2020 322nd abailey2020 🇺🇸 818 88 11ms 12 Dec 2020 322nd AkashTandon167 818 88 11ms 29 Dec 2020 322nd vezzick 818 88 11ms 12 Mar 2021 322nd alexhuntley 818 88 12ms 11 Apr 2021 322nd jhunterkohler 818 88 16ms 20 May 2021 322nd Stockoh 🇫🇷 818 88 11ms 20 May 2021 322nd bbakersmith 818 88 11ms 14 Jul 2021 322nd hymanimy 818 88 10ms 28 Jul 2021 322nd benwilliamgraham 818 88 16ms 22 Oct 2021 322nd amollberg 🇸🇪 818 88 11ms 25 Jan 2022 322nd nullie 818 88 11ms 10 Jun 2022 322nd Kloppermand 🇩🇰 818 88 15ms 3 Oct 2022 322nd WilliamKeating 818 88 16ms 9 Nov 2022 322nd jeff-at-tamer-dot-codes 🇺🇸 818 88 11ms 27 Aug 2023 322nd thienudomsrirungruang 818 88 11ms 7 May 2024 322nd Mabeloid 🇳🇴 818 88 12ms 30 Sep 2024 322nd wh3n3v3r 🇨🇿 818 88 11ms 14 Nov 2024 322nd klixel 🇨🇦 818 88 11ms 18 Jul 2025 322nd EthanJantz 818 88 11ms 12 Sep 2025 347th jiaminglimjm 🇲🇾 809 89 11ms 11 Dec 2019 347th markus-rekdal 809 89 14ms 10 Jan 2020 347th tnecio 809 89 12ms 21 Apr 2021 347th redbeancola 809 89 11ms 11 Oct 2021 347th Bonjour27891 🇻🇳 809 89 10ms 19 Feb 2022 347th MaxElf999 809 89 11ms 28 Sep 2022 347th cros107 🇦🇺 809 89 18ms 9 Aug 2023 347th SB-945 809 89 11ms 13 Mar 2024 347th VictorStenvers 🇳🇱 809 89 16ms 24 Apr 2024 347th CutSandstone 809 89 12ms 5 Jul 2024 347th Terobero 809 89 11ms 5 Sep 2024 347th raymur 809 89 11ms 11 Jul 2025 347th ethanlchristensen 809 89 11ms 19 Oct 2025 347th Matter1024 🇮🇳 809 89 11ms 15 Nov 2025 347th NoneTheFewer 809 89 16ms 25 Dec 2025 347th Aquateraneal 🇺🇸 809 89 12ms 2 days ago 363rd SimonPeatman 800 90 11ms 2 Feb 2019 363rd boxjelly 800 90 11ms 12 Feb 2021 363rd mothcolada 🇺🇸 800 90 11ms 11 Mar 2021 363rd ArmaanAS 800 90 11ms 26 Mar 2021 363rd Y0UR-U5ERNAME 800 90 17ms 4 Sep 2021 363rd Drew-j-Smith 800 90 11ms 16 Apr 2022 363rd martinnorling 🇸🇪 800 90 17ms 26 Apr 2022 363rd NerdyMcNerd42 800 90 17ms 27 Oct 2022 363rd te-chnical 800 90 10ms 12 May 2025 363rd ffelixm 800 90 11ms 28 May 2025 373rd lmeuser 791 91 11ms 2 Dec 2017 373rd lrustand 791 91 14ms 11 Jan 2018 373rd hyperneutrino 791 91 12ms 3 Jun 2018 373rd Deepztream 791 91 11ms 3 Sep 2018 373rd AforAmpere 791 91 11ms 6 Jun 2020 373rd The3gs 791 91 11ms 30 Aug 2020 373rd ydevor 🇮🇱 791 91 12ms 4 Dec 2020 373rd pascscha 791 91 17ms 15 May 2021 373rd Omega65536 🇩🇪 791 91 11ms 23 Jun 2021 373rd fgrosshans 🇫🇷 791 91 10ms 23 Feb 2022 373rd MichaelMBradley 🇨🇦 791 91 11ms 27 May 2022 373rd lemogne 791 91 10ms 2 Jun 2022 373rd P-Quentin 🇫🇷 791 91 11ms 3 Aug 2022 373rd vishwathg 791 91 19ms 14 Aug 2022 373rd mbittner20 791 91 10ms 27 May 2023 373rd adamnielson42 🇺🇸 791 91 11ms 21 Aug 2023 373rd nhausspiegel 791 91 11ms 26 Oct 2023 373rd itljan30 791 91 11ms 30 Jan 2025 373rd Andrey2001 791 91 11ms 1 Feb 2026 392nd joegodbehere 783 92 11ms 30 Oct 2020 392nd guliyevemil1 🇦🇿 783 92 10ms 3 Feb 2021 392nd Manby 783 92 11ms 3 Aug 2021 392nd wirewolf010 783 92 12ms 5 Jan 2022 392nd karhuthebear 783 92 13ms 5 May 2022 392nd Ailko 🇧🇪 783 92 11ms 6 May 2022 392nd try-except-try-accept 🇹🇭 783 92 11ms 27 Jun 2022 392nd bsoyka 🇺🇸 783 92 11ms 16 Jul 2022 392nd thiccaxe 783 92 11ms 3 Oct 2022 First Prev 321–400 of 625 Next Last