The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 days. Why not try and solve them ahead of time?
Recamán 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 156th fourth-bit 847 72 16ms 3 Jul 2023 156th jipsong 🇩🇪 847 72 10ms 23 Jul 2024 156th Terobero 847 72 18ms 21 Aug 2024 156th edsrzf 🇳🇿 847 72 18ms 28 Sep 2024 156th jamesthekee 847 72 10ms 26 Jan 2025 156th dirckvdende 847 72 11ms 20 Jul 2025 156th xiaoyiming123 847 72 10ms 11 Aug 2025 156th Alex-Huggett 🇬🇧 847 72 11ms 14 Sep 2025 156th Emutis 🇱🇹 847 72 10ms 1 Mar 2026 170th KatieLG 🇬🇧 836 73 10ms 27 Dec 2020 170th AkashTandon167 836 73 17ms 28 Dec 2020 170th NewDefectus 🇮🇱 836 73 10ms 28 Dec 2020 170th TobyBoyne 🇬🇧 836 73 16ms 30 Dec 2020 170th NanduBC 836 73 24ms 23 Mar 2021 170th face0xff 836 73 17ms 20 Oct 2021 170th RDShah 836 73 9ms 15 May 2022 170th StefanHabel 🇨🇦 836 73 10ms 31 Dec 2022 170th betaveros 836 73 18ms 31 Dec 2022 170th levavft 836 73 10ms 26 Oct 2023 170th mstang107 836 73 17ms 20 Dec 2023 170th SB-945 836 73 10ms 28 Feb 2024 170th Andrey135296 836 73 11ms 17 Sep 2024 170th lhulinsky 836 73 11ms 22 Oct 2024 170th wh3n3v3r 🇨🇿 836 73 10ms 13 Nov 2024 170th moustave 836 73 17ms 10 Dec 2024 170th Matter1024 🇮🇳 836 73 19ms 2 hours ago 187th qrico64 824 74 10ms 2 Feb 2021 187th bastienvoirin 🇫🇷 824 74 10ms 10 May 2021 187th mauro-1 🇮🇹 824 74 10ms 17 Aug 2021 187th petar-donchev 824 74 17ms 5 Dec 2021 187th knutae 🇳🇴 824 74 10ms 6 Dec 2021 187th clementblaudeau 824 74 18ms 27 Jan 2022 187th j-Ewan 824 74 17ms 1 Mar 2022 187th guilhem-roy 🇫🇷 824 74 16ms 3 Mar 2022 187th Irratix 🇳🇱 824 74 10ms 26 Apr 2022 187th Trunksistor 🇫🇷 824 74 18ms 19 May 2022 187th nstearns96 🇬🇧 824 74 19ms 12 Dec 2022 187th vishwathg 824 74 11ms 7 Apr 2023 187th dranjohn 824 74 10ms 11 Sep 2023 187th FlorianCassayre 🇫🇷 824 74 17ms 28 Sep 2023 187th rollershutter 824 74 16ms 23 Oct 2023 187th starfihs 824 74 28ms 5 Aug 2024 187th BREMAUCY 🇫🇷 824 74 10ms 12 Aug 2025 187th wobblybits 824 74 9ms 23 Aug 2025 187th 123mjb 824 74 17ms 23 Sep 2025 187th michelebastione 🇮🇹 824 74 10ms 3 Nov 2025 187th TheSecondComing123 824 74 10ms 5 Feb 2026 208th zbreit 🇺🇸 813 75 10ms 20 Aug 2021 208th RYNO8 813 75 11ms 26 Aug 2021 208th itsjustfreekie 813 75 11ms 22 Sep 2021 208th amollberg 🇸🇪 813 75 10ms 27 Jan 2022 208th NerdyMcNerd42 813 75 9ms 13 Aug 2022 208th MaxElf999 813 75 16ms 3 Oct 2022 208th LeeCamp 813 75 10ms 13 Jan 2023 208th hiichbindermax 813 75 11ms 17 Feb 2023 208th mbittner20 813 75 10ms 27 May 2023 208th ImpressedByRocks 813 75 17ms 17 May 2024 208th Bulmenisaurus 813 75 10ms 4 Nov 2024 208th bltnppcnt 813 75 19ms 5 Jan 2025 208th 40fied4t 813 75 11ms 22 May 2025 208th Andrey2001 813 75 17ms 9 Dec 2025 222nd tomh1012 803 76 10ms 3 Mar 2021 222nd gilufin 803 76 11ms 23 Jun 2021 222nd Mikey-Beep 🇬🇧 803 76 10ms 6 Oct 2022 222nd DrPiranoid 803 76 10ms 7 Oct 2022 222nd Troon 803 76 26ms 14 Oct 2022 222nd adamnielson42 🇺🇸 803 76 10ms 25 Apr 2023 222nd ssbhatt4321 803 76 16ms 14 Oct 2023 222nd m42km 803 76 16ms 17 Jan 2024 222nd elgan65536 🇺🇸 803 76 11ms 30 Mar 2024 222nd Schreipfelerer 803 76 10ms 26 Sep 2024 232nd fynnkroeger 792 77 10ms 10 Jan 2021 232nd asadullayev 792 77 11ms 4 Mar 2021 232nd PYRiTEmonark 792 77 10ms 22 May 2021 232nd schachmattmatt 792 77 10ms 20 Aug 2021 232nd RandGuy 792 77 9ms 4 May 2022 232nd P-Quentin 🇫🇷 792 77 25ms 3 Aug 2022 232nd ValentinCassayre 792 77 10ms 10 Oct 2022 232nd IshanPanpaliya 792 77 10ms 19 Oct 2022 232nd dzshn 792 77 10ms 3 Dec 2022 First Prev 161–240 of 439 Next Last
