The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 31 hours. Why not try and solve them ahead of time?
Scrambled Sort 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 77th RobertHoeh 737 95 11ms 19 Jun 2025 77th klixel 🇨🇦 737 95 12ms 19 Jun 2025 77th SirBogman 🇺🇸 737 95 11ms 30 Jun 2025 77th dirckvdende 737 95 12ms 12 Jul 2025 77th scpchicken 🇵🇼 737 95 11ms 14 Aug 2025 77th jacekwladzinski 737 95 12ms 9 Oct 2025 77th Matter1024 🇮🇳 737 95 12ms 15 Nov 2025 77th CommandLeo 🇮🇹 737 95 11ms 27 Nov 2025 77th Lv0Sys 🇵🇱 737 95 11ms 10 Dec 2025 77th 051 🇸🇬 737 95 11ms 16 Dec 2025 77th solisolu 737 95 11ms 2 days ago 92nd DialFrost 🇸🇬 729 96 11ms 3 Feb 2025 92nd madex 🇩🇪 729 96 11ms 1 Jun 2025 92nd OllieBoyne 🇬🇧 729 96 11ms 2 Jul 2025 92nd adoxography 729 96 11ms 31 Aug 2025 92nd Bmrl7 729 96 11ms 26 Dec 2025 97th ahmetdemirag 🇨🇾 722 97 10ms 1 Jun 2025 97th RaBa21 🇭🇺 722 97 12ms 18 Jul 2025 97th StefanHabel 🇨🇦 722 97 11ms 1 Feb 2026 100th Mikey-Beep 🇬🇧 714 98 10ms 24 Jul 2025 100th Aquateraneal 🇺🇸 714 98 11ms 14 Feb 2026 102nd mousetail 🇳🇱 707 99 12ms 1 Jun 2025 102nd paiv 707 99 12ms 16 Jun 2025 104th hiichbindermax 700 100 13ms 31 May 2025 104th msbranicky 700 100 11ms 31 May 2025 104th fourth-bit 700 100 11ms 2 Jun 2025 104th RobGLambert 700 100 11ms 7 Jun 2025 108th andrewjc2000 693 101 11ms 31 May 2025 108th bnic24 693 101 12ms 18 Jun 2025 108th benmuth 693 101 11ms 12 Sep 2025 108th guilhem-roy 🇫🇷 693 101 12ms 22 Nov 2025 112th Yewzir 🇧🇪 680 103 11ms 2 Jan 2025 112th rollershutter 680 103 13ms 22 May 2025 114th FortuiteMan 🇫🇷 673 104 11ms 20 Jul 2025 114th CatsAreFluffy 673 104 11ms 30 Oct 2025 116th yahelihol 667 105 11ms 10 Jun 2025 116th HagenFritz 667 105 11ms 19 Jun 2025 116th AstroOrbis 667 105 10ms 4 Feb 2026 116th aksyristos 667 105 11ms 13 days ago 120th taesungh 654 107 11ms 7 Jun 2025 121st Luke44565 648 108 10ms 25 Jun 2025 122nd shininglegend 636 110 13ms 19 Jun 2025 122nd nemoyatpeace 636 110 11ms 16 Jan 2026 124th InigoK 🇺🇸 625 112 11ms 7 Sep 2025 125th sciencejiho 619 113 11ms 10 Feb 2025 126th smilesformiles3 609 115 10ms 12 Jun 2025 127th zgialor-lab 588 119 11ms 20 days ago 128th aaardwark 579 121 11ms 1 Jun 2025 129th clayboll99 569 123 11ms 15 Jul 2025 130th Andrey2001 565 124 14ms 31 Jan 2026 130th ZakkkkAttackkkk 🇵🇭 565 124 33ms 3 Feb 2026 132nd estomagordo 🇳🇱 560 125 10ms 15 Jul 2025 133rd Pyroan 538 130 12ms 5 Jan 2026 134th NoneTheFewer 530 132 10ms 29 Dec 2025 135th tejapvk 507 138 15ms 19 Jun 2025 136th Just4FunCoder 500 140 12ms 18 Jun 2025 137th JOrE-Softwares 479 146 11ms 12 Jun 2025 138th hymanimy 473 148 12ms 15 Sep 2025 139th Emutis 🇱🇹 470 149 11ms 7 Aug 2025 140th TheZwierzLF 🇵🇱 438 160 10ms 14 Dec 2025 141st raymur 427 164 13ms 30 Jun 2025 142nd Ow0cast 407 172 11ms 22 Jun 2025 143rd tomh1012 398 176 11ms 26 days ago 144th retrohun 378 185 19ms 10 Dec 2025 145th Zhenyu-Bo 321 218 11ms 1 Aug 2025 146th vhoulbreque 🇫🇷 276 254 13ms 10 Nov 2025 147th jameswmccarty 275 255 19ms 30 Mar 2025 148th jtaxen 208 337 11ms 6 Oct 2025 149th gautambp 206 339 17ms 30 Jun 2025 150th mbittner20 189 371 11ms 26 May 2025 First Prev 81–150 of 150
