The Mandelbrot hole will go live in approximately 3 hours. Why not try and solve it ahead of time?
Collatz 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 435th thehylian 912 73 2 Jan 2023 435th fynnkroeger 912 73 6 Jan 2023 435th shellbertt 🇨🇦 912 73 13 Jan 2023 435th hunt-g 912 73 4 Feb 2023 435th ljweel 912 73 13 Feb 2023 435th jmerle 🇳🇱 912 73 16 Feb 2023 435th TaserTheFox 🇺🇸 912 73 14 Mar 2023 435th pinguicula 912 73 6 Apr 2023 435th TheoKeller1 912 73 11 Jun 2023 435th fkantelberg 912 73 16 Jul 2023 435th Mikey-Beep 🇬🇧 912 73 31 Aug 2023 435th eiburns 912 73 9 Oct 2023 435th htareque 912 73 13 Oct 2023 435th wearsunscreen 912 73 18 Oct 2023 435th bzijlema 🇳🇱 912 73 25 Oct 2023 435th Grrisly 912 73 10 Nov 2023 435th m42km 912 73 11 Nov 2023 435th GeneralPoxter 912 73 7 Dec 2023 435th logvp 912 73 12 Jan 2024 435th JoaoFelipe3 912 73 13 Jan 2024 435th ehulinsky 🇺🇸 912 73 16 Feb 2024 435th Lewenhaupt 912 73 23 Feb 2024 435th Yewzir 🇧🇪 912 73 5 Apr 2024 435th HETHAT 🇩🇿 912 73 12 Apr 2024 435th stertooy 🇧🇪 912 73 9 Jun 2024 435th cuboids 912 73 11 Jul 2024 435th jipsong 🇩🇪 912 73 23 Jul 2024 435th mattyhempstead 912 73 6 Oct 2024 435th wh3n3v3r 🇨🇿 912 73 18 Nov 2024 435th klixel 🇨🇦 912 73 18 Nov 2024 435th tjwrenn 912 73 10 Dec 2024 435th nullie 912 73 19 Dec 2024 435th ryyyn 🇺🇸 912 73 7 Jan 2025 435th maxgodfrey2004 🇨🇦 912 73 13 Feb 2025 435th lolgeny 912 73 22 Feb 2025 435th andrewjc2000 912 73 23 Feb 2025 435th Languag3 912 73 27 Feb 2025 435th Bulmenisaurus 912 73 2 Mar 2025 435th souta-1326 912 73 1 Apr 2025 435th BenjaminHGong 912 73 26 May 2025 491st lynn 912 78 5 May 2022 492nd Steffan153 🇫🇮 912 81 11 Dec 2023 493rd andersk 🇺🇸 912 91 25 Oct 2022 493rd Super-Pizza 🇨🇦 912 91 4 Dec 2022 493rd klixel 🇨🇦 912 91 20 May 2023 493rd lynn 912 91 6 Jul 2024 493rd edsrzf 🇳🇿 912 91 29 Nov 2024 493rd DialFrost 🇸🇬 912 91 7 Apr 2025 499th tailorspy 911 93 27 May 2024 499th sean-niemann 🇺🇸 911 93 21 days ago 501st nai62 910 69 27 Aug 2022 502nd Lydxn 🇨🇦 910 81 1 Apr 2023 503rd primo-ppcg 🇹🇭 909 93 7 May 2022 503rd AlephSquirrel 909 93 21 Jan 2023 503rd kg583 🇺🇸 909 93 26 Dec 2024 503rd CLOStrophobic 🇮🇹 909 93 17 Jan 2025 507th cbrt-x 909 129 6 May 2022 507th piano-miles 909 129 8 Feb 2023 507th lukashert 909 129 7 Jun 2023 507th DialFrost 🇸🇬 909 129 29 Jan 2024 507th bac0id 909 129 29 Jun 2024 507th yoshykai 909 129 27 Mar 2025 513th Betuaredead 907 60 5 Jan 2023 513th Yewzir 🇧🇪 907 60 12 Feb 2023 513th Steffan153 🇫🇮 907 60 23 Feb 2023 513th DialFrost 🇸🇬 907 60 30 Jul 2024 513th GolfingSuccess 🇬🇷 907 60 16 Oct 2024 513th sean-niemann 🇺🇸 907 60 7 Mar 2025 519th Shanethegamer 🇺🇸 907 77 15 May 2023 520th KrausRaus 🇺🇸 906 59 4 May 2022 520th voytxt 🇨🇿 906 59 4 May 2022 520th KingSkyrock 🇺🇸 906 59 18 May 2022 520th ZakkkkAttackkkk 🇵🇭 906 59 14 Jul 2022 520th aksyristos 906 59 28 Oct 2022 520th nstearns96 🇬🇧 906 59 28 Nov 2022 Prev 451–525 of 3,159 Next
