The Mandelbrot hole will go live in approximately 10 hours. Why not try and solve it ahead of time?
Leap Years in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Maze Medal Tally Morse Decoder Morse Encoder 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Maze Medal Tally Morse Decoder Morse Encoder 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 226th primo-ppcg 🇹🇭 938 45 7 Nov 2022 226th xsot 🇸🇬 938 45 18 Mar 2024 228th primo-ppcg 🇹🇭 938 49 11 May 2020 228th lynn 938 49 27 May 2021 228th JayXon 🇺🇸 938 49 23 Aug 2021 228th Lydxn 🇨🇦 938 49 23 Aug 2021 232nd primo-ppcg 🇹🇭 937 45 2 May 2020 233rd masterada 937 85 26 Mar 2021 233rd Lydxn 🇨🇦 937 85 10 Feb 2022 235th primo-ppcg 🇹🇭 936 29 1 Apr 2019 236th Lydxn 🇨🇦 936 45 21 Mar 2023 236th Steffan153 🇫🇮 936 45 21 Mar 2023 236th JayXon 🇺🇸 936 45 21 Mar 2023 236th GrayJoKing 🇦🇺 936 45 21 Mar 2023 236th sean-niemann 🇺🇸 936 45 18 Apr 2025 241st primo-ppcg 🇹🇭 936 50 1 Apr 2019 241st jslip 936 50 2 Apr 2019 241st SirHaswell 936 50 13 Jun 2019 241st Attero 🇸🇪 936 50 31 Mar 2020 241st SirBogman 🇺🇸 936 50 14 Jun 2020 241st aionescu 936 50 15 Aug 2020 241st GrayJoKing 🇦🇺 936 50 6 Dec 2020 241st sisyphus-ppcg 🇦🇺 936 50 20 Mar 2021 241st Shanethegamer 🇺🇸 936 50 30 Jun 2021 241st laikoni 936 50 27 Aug 2021 241st Irratix 🇳🇱 936 50 25 Sep 2021 241st annaproxy 936 50 7 Jan 2022 241st janbehrens 🇩🇪 936 50 20 Jul 2022 241st Steffan153 🇫🇮 936 50 8 Oct 2022 241st alomiF 936 50 1 Sep 2023 241st jared-hughes 936 50 7 Jul 2024 241st sean-niemann 🇺🇸 936 50 7 Jan 2025 241st DialFrost 🇸🇬 936 50 14 Feb 2025 259th primo-ppcg 🇹🇭 935 36 12 Oct 2020 259th HPWiz 🇳🇿 935 36 17 Nov 2020 259th antimon2 🇯🇵 935 36 25 Jan 2021 259th ovs-code 🇩🇪 935 36 24 Oct 2023 263rd somebody1234 934 43 7 Dec 2018 263rd dymowski 934 43 7 Jul 2019 263rd KrausRaus 🇺🇸 934 43 22 Aug 2019 263rd handisb 934 43 31 Aug 2019 263rd dorinoltean 934 43 2 Oct 2019 263rd oitio 934 43 12 Feb 2020 263rd shuding 934 43 27 Apr 2020 263rd taklam 934 43 20 May 2020 263rd raphaelimahorn 934 43 4 Sep 2020 263rd revlayle 🇺🇸 934 43 14 Sep 2020 263rd PatrickStephansen 🇿🇦 934 43 15 Oct 2020 263rd tpiechaczek 🇵🇱 934 43 24 Dec 2020 263rd toubsen 🇩🇪 934 43 8 Jan 2021 263rd omurakazuaki 🇯🇵 934 43 19 Feb 2021 263rd lukasmoellerch 934 43 15 Mar 2021 263rd MossGrass 🇺🇸 934 43 21 May 2021 263rd wansacis 🇩🇪 934 43 28 Jul 2021 263rd lynn 934 43 10 Sep 2021 263rd alasdair-greenland 934 43 11 Nov 2021 263rd emgordon154 934 43 23 Nov 2021 263rd solmyr2000 934 43 8 Jun 2022 263rd AlephSquirrel 934 43 18 Jul 2022 263rd FlorianCassayre 🇫🇷 934 43 27 Sep 2022 263rd BloodStormKnight 934 43 13 Oct 2022 263rd LukeBridges 🇬🇧 934 43 17 Oct 2022 263rd astonm 934 43 17 Oct 2022 263rd Maznek 934 43 6 Jun 2023 263rd jbt 934 43 26 Dec 2023 263rd wlaud9 934 43 8 Feb 2024 263rd weliveinhell 🇭🇹 934 43 23 Jul 2024 263rd edsrzf 🇳🇿 934 43 14 Sep 2024 263rd acollett89 934 43 17 days ago 295th sean-niemann 🇺🇸 934 47 9 Sep 2022 295th Lydxn 🇨🇦 934 47 9 Sep 2022 295th JayXon 🇺🇸 934 47 10 Sep 2022 295th GrayJoKing 🇦🇺 934 47 10 Sep 2022 295th MeWhenI 🇻🇦 934 47 10 Oct 2022 295th Steffan153 🇫🇮 934 47 9 Feb 2023 Prev 226–300 of 4,493 Next