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 223rd xsot 🇸🇬 938 58 28 Jun 2024 223rd Salutations45 938 58 18 Dec 2024 228th TFeld00 🇩🇰 938 71 17 May 2022 228th DialFrost 🇸🇬 938 71 15 Nov 2022 228th StefanHabel 🇨🇦 938 71 29 Nov 2022 228th nstearns96 🇬🇧 938 71 11 Jan 2023 228th hallvabo 🇳🇴 938 71 7 Feb 2023 228th anter69 🇭🇺 938 71 21 May 2024 228th rucin93 🇵🇱 938 71 10 Jul 2024 235th Lydxn 🇨🇦 938 125 6 May 2022 235th JayXon 🇺🇸 938 125 9 May 2022 237th grey0ut 937 48 8 Apr 2025 238th GolfingSuccess 🇬🇷 937 49 12 Aug 2024 238th Shanethegamer 🇺🇸 937 49 12 Aug 2024 238th Steffan153 🇫🇮 937 49 12 Aug 2024 238th MeWhenI 🇻🇦 937 49 13 Aug 2024 238th DialFrost 🇸🇬 937 49 13 Aug 2024 238th GrayJoKing 🇦🇺 937 49 15 Aug 2024 238th btnlq 937 49 16 Aug 2024 238th emgordon154 937 49 19 Aug 2024 238th ovs-code 🇩🇪 937 49 19 Aug 2024 238th mousetail 🇳🇱 937 49 13 Sep 2024 238th lynn 937 49 20 Dec 2024 238th weeble 937 49 20 Dec 2024 238th sean-niemann 🇺🇸 937 49 11 Jan 2025 251st Irratix 🇳🇱 937 83 4 May 2022 251st nwellnhof 🇩🇪 937 83 4 May 2022 251st ScottHamper 937 83 5 May 2022 251st Romain-1 🇫🇷 937 83 1 Jun 2022 251st Gaddy 🇫🇷 937 83 1 Jun 2022 251st 5quiwyrm 937 83 4 Sep 2022 251st Betuaredead 937 83 5 Jan 2023 251st Yewzir 🇧🇪 937 83 12 Feb 2023 251st btnlq 937 83 9 Mar 2023 251st Adix-null 🇱🇹 937 83 17 May 2023 251st AdrienHache 🇫🇷 937 83 8 Jun 2023 251st gblikas 937 83 23 Jul 2023 251st KrausRaus 🇺🇸 937 83 31 Jul 2023 251st namelessiw 937 83 9 Apr 2025 251st dokutan 937 83 9 Apr 2025 251st m-tkach 🇺🇦 937 83 10 Apr 2025 251st DialFrost 🇸🇬 937 83 10 Apr 2025 251st Pecanolith 937 83 19 Apr 2025 251st Tyrant7 937 83 19 Apr 2025 251st Yax42 🇫🇷 937 83 19 Apr 2025 251st MeWhenI 🇻🇦 937 83 10 days ago 251st sean-niemann 🇺🇸 937 83 10 days ago 251st stefangimmillaro 937 83 10 days ago 274th emplv 🇱🇻 932 60 5 May 2022 274th GrayJoKing 🇦🇺 932 60 6 May 2022 274th targrik 932 60 24 Dec 2024 274th xsot 🇸🇬 932 60 1 May 2025 278th nwellnhof 🇩🇪 931 42 4 May 2022 278th Lydxn 🇨🇦 931 42 4 May 2022 278th GrayJoKing 🇦🇺 931 42 4 May 2022 278th Steffan153 🇫🇮 931 42 16 Dec 2022 278th sisyphus-ppcg 🇦🇺 931 42 31 Jan 2023 278th ovs-code 🇩🇪 931 42 30 Dec 2023 278th sean-niemann 🇺🇸 931 42 8 Mar 2025 285th m-tkach 🇺🇦 931 91 5 May 2022 285th 09cf 931 91 4 Oct 2023 287th GrayJoKing 🇦🇺 930 56 15 Jan 2024 287th AlephSquirrel 930 56 21 Jan 2024 289th stefangimmillaro 930 126 4 May 2022 289th Irratix 🇳🇱 930 126 4 May 2022 289th MeWhenI 🇻🇦 930 126 4 May 2022 289th janbehrens 🇩🇪 930 126 4 May 2022 289th shellbertt 🇨🇦 930 126 4 May 2022 289th inventshah 930 126 4 May 2022 289th m-tkach 🇺🇦 930 126 4 May 2022 289th sean-niemann 🇺🇸 930 126 4 May 2022 289th nwellnhof 🇩🇪 930 126 4 May 2022 289th Shanethegamer 🇺🇸 930 126 4 May 2022 289th ScottHamper 930 126 5 May 2022 289th ovs-code 🇩🇪 930 126 5 May 2022 Prev 226–300 of 3,159 Next
