The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 25 hours. Why not try and solve them ahead of time?
Fizz Buzz in Raku 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 78th lyphyser 848 46 122ms 9 Oct 2023 82nd elisherer 🇮🇱 796 49 127ms 13 Apr 2019 82nd rucin93 🇵🇱 796 49 119ms 7 Sep 2020 82nd 094-gengar 🇯🇵 796 49 134ms 26 Mar 2021 82nd trist224 🇫🇷 796 49 113ms 28 Nov 2022 82nd neel11235813 796 49 122ms 3 Feb 2023 87th rambox11 750 52 118ms 28 Mar 2018 88th FCO 722 54 133ms 20 Sep 2017 89th commandz0 🇺🇸 696 56 120ms 27 Aug 2022 90th metakuna 629 62 132ms 15 Apr 2019 91st grondilu 619 63 121ms 17 Sep 2017 91st jjatria 619 63 130ms 11 Jul 2020 91st RustemB 🇷🇺 619 63 123ms 4 May 2021 91st falsifian 619 63 181ms 23 Jul 2023 95th Scimon 600 65 129ms 13 Dec 2017 95th davepagurek 600 65 116ms 23 Dec 2017 95th mattco98 600 65 117ms 30 Jun 2018 95th m-dango 600 65 116ms 3 Jul 2018 95th loganmacdougall 🇨🇦 600 65 114ms 12 Nov 2021 95th dylanarmstrong 600 65 112ms 18 Dec 2023 101st massung 591 66 112ms 29 Mar 2019 102nd kamenitxan 🇨🇿 582 67 126ms 20 Nov 2020 102nd MaliPatuljak 582 67 115ms 29 Aug 2023 104th antihec 542 72 139ms 18 Sep 2017 104th AidanWalter 542 72 122ms 18 Apr 2023 106th TomHanra 534 73 116ms 9 Oct 2017 106th edmundadjei 534 73 117ms 23 Dec 2017 106th Simon3995 🇳🇱 534 73 123ms 10 Jun 2020 109th copoer 527 74 115ms 27 Feb 2023 110th MattOates 488 80 128ms 17 Sep 2017 110th aliakseikalosha 488 80 112ms 22 Apr 2021 112th daotoad 470 83 133ms 6 Nov 2017 112th molecules 470 83 129ms 27 Dec 2017 114th rholliday 453 86 122ms 26 Feb 2021 114th rcmlz 453 86 127ms 13 Apr 2024 116th dogbert17 443 88 133ms 3 Oct 2017 117th PaulHanson 438 89 122ms 29 Sep 2017 118th sech1p 🇵🇱 424 92 116ms 24 May 2021 119th adoxography 411 95 132ms 4 Apr 2018 120th DaleNaci 386 101 129ms 20 Jul 2018 120th msbranicky 386 101 121ms 23 Sep 2023 122nd ArturLukianov 379 103 119ms 17 Dec 2020 123rd strattonwhisler 371 105 115ms 21 Aug 2023 124th Feniske 🇫🇷 361 108 134ms 13 Oct 2022 124th RedzGoose 🇦🇺 361 108 129ms 18 Sep 2024 126th Gr3yR0n1n 351 111 136ms 20 Jul 2020 127th bwat2 348 112 131ms 31 Jan 2022 127th keelimeguy 🇺🇸 348 112 139ms 23 Oct 2023 129th twocatsinatrenchcoat 345 113 125ms 18 Feb 2022 129th wiebecommajonas 345 113 129ms 2 May 2024 131st SniperSmiley 🇺🇸 339 115 115ms 3 Aug 2022 132nd pengu1n-master 336 116 122ms 20 May 2022 133rd AlephSquirrel 317 123 124ms 16 May 2021 133rd shibacho 🇯🇵 317 123 118ms 25 Mar 2022 135th KrausRaus 🇺🇸 310 126 120ms 20 Jan 2021 135th namelessiw 310 126 124ms 25 Jul 2023 137th gustawdaniel 298 131 139ms 1 Apr 2018 138th ohmycloud 283 138 124ms 19 Dec 2017 139th zuparnowa 275 142 118ms 12 Feb 2019 139th henrytranter 275 142 148ms 20 Sep 2019 141st kevinnaviapaiva 267 146 116ms 15 Feb 2025 142nd lukasmoellerch 250 156 120ms 14 Jul 2019 143rd Yax42 🇫🇷 248 157 155ms 4 Jun 2024 144th zwxzwxzwx21 244 160 121ms 15 Jan 2024 145th ashwinvis 242 161 123ms 2 Aug 2020 146th aksyristos 241 162 136ms 4 Oct 2022 147th Sticky-Bits 229 170 128ms 19 Apr 2019 147th CodeAltF4 229 170 123ms 17 Jan 2021 147th silvncr 229 170 119ms 16 Jun 2021 150th lancew 🇳🇿 223 175 126ms 10 Jul 2020 151st polvoazul 209 187 128ms 20 Sep 2017 152nd KyanJeuring 202 193 136ms 7 Sep 2022 153rd KatieLG 🇬🇧 153 255 141ms 30 Nov 2025 154th KatieLG-Transpiler 🇬🇧 93 418 117ms 16 Aug 2024 154th Mabeloid 🇳🇴 93 418 116ms 18 Sep 2024 156th WorseGolfer 🇺🇸 0 128,174 366ms 27 Nov 2025 First Prev 81–156 of 156
