The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 5 days. Why not try and solve them ahead of time?
Maze 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 81st FortuiteMan 🇫🇷 583 199 26ms 17 Sep 2023 81st klixel 🇨🇦 583 199 18ms 26 Nov 2025 83rd ZakkkkAttackkkk 🇵🇭 577 201 116ms 14 Nov 2023 84th roguh 🇬🇹 574 202 25ms 7 Jan 2024 85th maxgodfrey2004 🇨🇦 571 203 17ms 17 Feb 2025 86th TobyBoyne 🇬🇧 563 206 15ms 27 Jan 2023 86th CaedenHarper 🇨🇦 563 206 39ms 20 Nov 2025 88th Eilonlif 🇮🇱 537 216 59ms 11 Jan 2023 88th jeff-at-tamer-dot-codes 🇺🇸 537 216 25ms 12 Mar 2023 90th rak1507 🇬🇧 535 217 53ms 5 Jan 2023 90th Bmrl7 535 217 52ms 4 Mar 2024 92nd msbranicky 532 218 48ms 9 Aug 2023 93rd SniperSmiley 🇺🇸 500 232 39ms 18 Feb 2023 94th colraw 🇸🇪 483 240 12ms 21 Jan 2023 95th wh3n3v3r 🇨🇿 481 241 14ms 18 Nov 2024 96th Lv0Sys 🇵🇱 451 257 15ms 25 Feb 2026 97th mathisfun271 446 260 17ms 5 Mar 2024 98th Babafaba 444 261 27ms 3 Nov 2025 99th eiburns 419 277 19ms 26 Oct 2023 100th inverseLorentz 🇦🇺 393 295 15ms 4 May 2024 101st FlorianCassayre 🇫🇷 385 301 18ms 5 Jan 2023 102nd BREMAUCY 🇫🇷 379 306 16ms 23 Aug 2025 103rd anter69 🇭🇺 365 318 61ms 10 Jul 2025 104th tri1212 🇻🇳 364 319 86ms 15 Jul 2024 105th smilesformiles3 360 322 230ms 23 Jun 2025 106th neihousaigaai 350 331 18ms 24 Nov 2024 107th yzhs 🇩🇪 347 334 17ms 23 Jun 2023 108th JunkIce 330 352 24ms 4 Dec 2024 109th DialFrost 🇸🇬 324 358 14ms 19 Jan 2026 110th thomasklunker 322 360 16ms 5 Feb 2023 111th madex 🇩🇪 319 364 18ms 24 Mar 2025 112th CutSandstone 303 383 474ms 4 Jul 2024 113th mantrades 300 387 19ms 4 Dec 2024 114th TheLazySquid 299 388 17ms 9 Jan 2023 115th TheZwierzLF 🇵🇱 295 393 33ms 11 Dec 2025 116th JOrE20 280 415 29ms 27 days ago 117th yuchuehw 269 432 30ms 5 Jan 2024 118th mbittner20 268 433 58ms 12 May 2025 119th RaBa21 🇭🇺 262 442 18ms 18 Jul 2025 120th YAJUE114514 261 444 23ms 12 Dec 2025 121st ComputerKWasTaken 🇺🇸 254 456 14ms 20 Jan 2025 122nd alemelis 245 474 17ms 18 Oct 2024 123rd tomh1012 240 483 19ms 15 days ago 124th jameswmccarty 238 488 29ms 11 Jul 2024 125th MiranDaniel 🇨🇿 234 496 17ms 2 Sep 2023 126th robin-scragg 228 508 19ms 28 Oct 2025 127th croc54 225 516 17ms 12 Jan 2025 128th KatieLG-Transpiler 🇬🇧 200 581 81ms 4 Jan 2023 129th arnimattr 199 583 25ms 5 Jul 2023 130th TaserTheFox 🇺🇸 158 736 387ms 11 May 2023 131st Zhenyu-Bo 132 878 13ms 31 Jul 2025 132nd joshuamkite 87 1,334 20ms 2 Sep 2023 133rd AidanWalter 75 1,556 18ms 28 Nov 2025 134th zt14427 22 5,308 100ms 28 Dec 2024 First Prev 81–134 of 134
