The Mandelbrot hole will go live in approximately 16 hours. Why not try and solve it ahead of time?
Collatz in Python 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 596th strogor 716 95 16 days ago 602nd karhuthebear 708 96 9 May 2022 602nd qwjhvbxi 708 96 6 Feb 2024 602nd alfonsoalves 708 96 21 Jul 2024 602nd jeff-re 708 96 1 Apr 2025 606th a-penton 701 97 22 Sep 2022 606th jrbud 701 97 6 Jan 2024 606th befoster 701 97 22 Feb 2024 606th joshua-el-samalouti 🇩🇪 701 97 26 May 2024 606th luca1339 701 97 10 Jun 2024 611th lukemalek 694 98 10 Oct 2022 611th UltimateGuy0987 694 98 14 Oct 2022 611th TheLazySquid 694 98 20 Dec 2022 611th StronkCheese 🇺🇸 694 98 13 Mar 2023 611th Anthony-Williams-06 694 98 17 Oct 2023 611th NoneTheFewer 694 98 17 May 2024 611th abcdhhhh 694 98 27 Aug 2024 611th OSYCh314 🇦🇺 694 98 16 Nov 2024 611th cole-wilson 694 98 9 Dec 2024 611th Akilles1 694 98 15 May 2025 621st LukeRichardson-dev 687 99 12 May 2022 621st Tagfox 687 99 18 Jul 2022 621st gabrielsqw 687 99 24 Oct 2023 621st sciencedjinn 687 99 8 Nov 2024 621st MrNiknoc 687 99 15 days ago 626th OppositeShark 680 100 19 Jul 2022 626th NOS4A5I 680 100 10 Jan 2023 626th lomarbrick 680 100 16 May 2023 626th karlaacastro44 680 100 5 May 2025 630th markus-rekdal 673 101 10 May 2022 630th fraserli 🇦🇺 673 101 2 May 2023 630th FCORMERAIS 673 101 6 Mar 2024 630th yhm138 673 101 16 Feb 2025 634th PogLop 🇨🇿 667 102 31 Oct 2022 634th AndersH3 🇸🇪 667 102 17 May 2023 634th JulieGermainUNT 667 102 2 Apr 2025 637th enbyte 660 103 20 Dec 2022 637th rajlath 660 103 7 Jan 2023 637th mnurzia 660 103 12 Oct 2023 637th sqrteipi 660 103 2 Apr 2024 637th calum12345 660 103 26 Mar 2025 642nd winigo3 654 104 8 Aug 2022 642nd zt14427 654 104 30 Apr 2023 642nd IoLimmer 654 104 24 Jul 2024 645th LordSir101 648 105 19 Jul 2022 645th tmanternach 648 105 24 Nov 2022 645th weber-hge 648 105 13 Jun 2023 645th Eugen-str 648 105 24 Oct 2023 649th ms-tingliang 642 106 5 Aug 2022 649th achilleasr 642 106 7 Nov 2022 649th OleBrumm 642 106 8 Jan 2023 649th AbhilashaTandon 642 106 19 Sep 2023 649th sheeperino 🇮🇹 642 106 11 Oct 2024 654th phpboyscout 636 107 18 May 2023 654th DrPrettyman 636 107 5 Jul 2023 654th joseph-w0ng 636 107 5 Jul 2024 654th EnisEfe0 636 107 18 May 2025 658th landyrisbad 630 108 13 Nov 2022 658th cakular 630 108 17 May 2024 658th glassala 630 108 25 Oct 2024 661st tjefferson401 624 109 16 Sep 2022 661st ariesmarinus 624 109 21 Nov 2024 663rd profJGermain 618 110 7 Feb 2024 663rd JMMMMC 618 110 23 Oct 2024 663rd jtb0362 618 110 10 May 2025 666th sagnik3 607 112 8 Aug 2022 666th craftablescience 607 112 19 Sep 2023 668th kelseychristensen 602 113 2 Nov 2022 668th ArmsTheLimited 602 113 1 Jun 2023 670th HunterC14 596 114 18 Oct 2024 671st jstechman 591 115 24 Feb 2024 671st dan422442 591 115 19 Oct 2024 673rd keelanfh 586 116 20 Dec 2023 673rd returnitynet 586 116 27 Jan 2025 675th gioto64 581 117 8 Dec 2022 Prev 601–675 of 739 Next