The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 10 hours. Why not try and solve them ahead of time?
Number Spiral 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 198th Unknownuserfrommars 208 312 9ms 21 Nov 2024 198th RYSF13 🇨🇳 208 312 9ms 27 Jan 2025 198th evan18c 208 312 10ms 15 Apr 2025 198th moustave 208 312 10ms 16 Apr 2025 198th madeforlosers 208 312 10ms 9 May 2025 198th dirckvdende 208 312 9ms 14 Jul 2025 198th SectorCorruptor 208 312 9ms 24 Jul 2025 198th cthierfelder 🇲🇨 208 312 10ms 9 Sep 2025 198th luuumine 🇫🇷 208 312 9ms 17 Oct 2025 198th averagepythondev 208 312 9ms 2 Jan 2026 251st jorisbertram 208 313 9ms 27 Aug 2022 251st brendantuckerman 208 313 9ms 19 Oct 2022 253rd GeneralTwi 205 317 10ms 28 Apr 2022 253rd Jaydosu 205 317 10ms 9 May 2022 253rd KatieLG-Transpiler 🇬🇧 205 317 9ms 23 Jun 2022 253rd Bananapants22 205 317 9ms 4 Sep 2022 253rd Yareeeema 205 317 10ms 5 Nov 2022 253rd DGipe 205 317 9ms 1 Dec 2022 253rd zt14427 205 317 10ms 2 Apr 2023 253rd imbadatname 205 317 9ms 13 Dec 2023 253rd theadamabrams 205 317 9ms 1 Jan 2024 253rd j3mak 205 317 9ms 19 Jan 2024 253rd qwjhvbxi 205 317 9ms 19 Feb 2024 253rd mrmena 🇦🇺 205 317 9ms 28 Mar 2024 253rd Zinfour 205 317 10ms 30 Jul 2024 253rd OSYCh314 🇦🇺 205 317 10ms 9 Nov 2024 253rd gigaprofisi 🇺🇸 205 317 9ms 4 Jul 2025 253rd Deppyforce 205 317 10ms 18 days ago 269th jaxmattfair 🇺🇸 204 319 9ms 22 May 2024 270th muser-logiccpu 🇺🇦 203 320 10ms 12 Aug 2025 271st dillon-duncando 201 323 9ms 19 Oct 2022 272nd jiji7879 195 334 10ms 20 Jun 2025 273rd ComputerKWasTaken 🇺🇸 176 370 9ms 3 Jun 2024 274th atazzam 🇺🇸 173 375 10ms 21 Mar 2022 275th DrJoWe 171 380 10ms 17 Jul 2024 276th dgambit 167 389 9ms 5 Aug 2022 276th smw5qz 167 389 10ms 15 Sep 2022 278th chichha 165 395 10ms 14 Jun 2023 279th Msleizak 🇫🇷 162 401 10ms 4 Nov 2022 279th kevinnaviapaiva 162 401 10ms 14 Feb 2025 281st joshuamkite 92 708 10ms 27 Aug 2023 282nd imoxyg 87 746 10ms 15 Aug 2025 283rd AidanWalter 86 752 10ms 3 Jan 2025 284th OleBrumm 73 894 10ms 24 Aug 2022 285th Zhenyu-Bo 71 911 11ms 1 Aug 2025 286th bob-th 2 42,069 24ms 8 Aug 2022 First Prev 241–286 of 286
