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?
Pangram Grep 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 559th clayboll99 526 116 11ms 14 Jul 2025 562nd befoster 521 117 11ms 10 Apr 2021 562nd Adrien-AM 521 117 10ms 28 Dec 2021 562nd zt14427 521 117 11ms 22 Oct 2023 562nd Bit125 521 117 10ms 27 Mar 2024 566th reedwilemon 517 118 16ms 15 Jun 2020 566th frogtd 517 118 10ms 29 Jul 2020 566th retrohun 517 118 11ms 21 May 2022 566th TheLazySquid 517 118 11ms 22 Dec 2022 566th Brokames 517 118 10ms 7 Jun 2025 566th muser-logiccpu 🇺🇦 517 118 11ms 26 Aug 2025 566th Ralac07 🇦🇺 517 118 11ms 27 Oct 2025 573rd glf818 513 119 10ms 22 Jul 2021 573rd DGipe 513 119 12ms 24 Jun 2024 575th MariuszPienkosz 508 120 11ms 21 May 2020 575th wa1ker38552 508 120 13ms 22 May 2023 577th RyanCarrusca 500 122 11ms 22 Feb 2019 577th fizhes 500 122 10ms 18 Jun 2023 577th arctouch-cristiannevianna 500 122 11ms 26 Oct 2023 577th osalyer02 500 122 11ms 30 Jan 2025 581st Malin001 496 123 11ms 4 Jan 2020 581st j21marshall 496 123 11ms 3 Aug 2020 581st GolfGPT 496 123 10ms 19 Nov 2023 584th atazzam 🇺🇸 492 124 10ms 16 Apr 2022 584th CheeseCake628 🇳🇴 492 124 12ms 20 Dec 2023 586th elwi7331 488 125 12ms 16 Feb 2020 586th SniperSmiley 🇺🇸 488 125 13ms 25 Jun 2022 588th goombado 480 127 10ms 20 Oct 2020 589th mcdowell95 473 129 11ms 24 Apr 2020 590th MLPdiscord 469 130 21ms 22 Jan 2022 590th julian-hoelz 469 130 11ms 15 Sep 2024 592nd Nibamot 466 131 12ms 16 Dec 2021 592nd therealnumbers 466 131 12ms 27 Nov 2023 592nd logalex8369 🇺🇸 466 131 11ms 18 Dec 2025 595th dddthedark 462 132 11ms 27 Feb 2018 595th dillon-duncando 462 132 16ms 1 Dec 2021 595th Zach1031 462 132 11ms 16 Nov 2025 598th KevinLyvers 459 133 10ms 17 Dec 2022 599th valgardg 🇮🇸 455 134 11ms 28 Oct 2022 600th Import-Meow 449 136 11ms 11 Sep 2022 600th wenbang24 449 136 12ms 30 Mar 2024 602nd MiranDaniel 🇨🇿 445 137 11ms 5 Aug 2023 603rd TheCod-r 🇦🇶 439 139 12ms 12 Oct 2022 603rd jmmographer 439 139 10ms 22 Oct 2023 605th minhOU93 433 141 10ms 30 Jan 2025 606th markbyrne 427 143 11ms 24 Oct 2020 606th NOS4A5I 427 143 11ms 29 Dec 2022 606th mrmena 🇦🇺 427 143 12ms 18 Mar 2024 609th joshuamkite 412 148 11ms 22 Aug 2023 610th griffinschreiber 407 150 11ms 31 Oct 2024 611th Schmitt-Very-Cool 389 157 17ms 3 Aug 2023 612th Voltrifrodec 🇸🇰 379 161 21ms 1 May 2025 613th dylanjones92 365 167 10ms 19 Jan 2024 614th obopodo 337 181 12ms 30 Nov 2022 615th newc0m 332 184 10ms 7 Dec 2018 616th kpasc 311 196 11ms 18 Jul 2018 617th AlbertCoolGuy 293 208 11ms 3 Dec 2022 618th Msleizak 🇫🇷 277 220 12ms 14 Dec 2023 619th KiwiKoder0123 264 231 32ms 4 Jul 2019 620th Martin-Regan 262 233 11ms 14 Feb 2025 621st dcure73 258 236 11ms 18 Jun 2019 622nd PrestonWin 239 255 11ms 19 Nov 2021 623rd dahappy1989 236 259 12ms 5 Nov 2023 624th thomashastings 218 280 18ms 20 Apr 2021 625th Noooiz 205 298 12ms 30 Dec 2018 626th Zhenyu-Bo 156 392 11ms 1 Aug 2025 First Prev 561–626 of 626
