The Billiards hole will go live in 8 days. 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 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Points Bytes Time 522nd Bit125 716 95 30 Jan 2024 522nd aalec 716 95 25 Apr 2024 528th karhuthebear 708 96 9 May 2022 528th qwjhvbxi 708 96 6 Feb 2024 528th alfonsoalves 708 96 21 Jul 2024 531st a-penton 701 97 22 Sep 2022 531st jrbud 701 97 6 Jan 2024 531st befoster 701 97 22 Feb 2024 531st joshua-el-samalouti 🇩🇪 701 97 26 May 2024 531st luca1339 701 97 10 Jun 2024 536th lukemalek 694 98 10 Oct 2022 536th UltimateGuy0987 694 98 14 Oct 2022 536th TheLazySquid 694 98 20 Dec 2022 536th StronkCheese 🇺🇸 694 98 13 Mar 2023 536th Anthony-Williams-06 694 98 17 Oct 2023 536th NoneTheFewer 694 98 17 May 2024 536th abcdhhhh 694 98 27 Aug 2024 536th OSYCh314 🇦🇺 694 98 5 days ago 544th LukeRichardson-dev 687 99 12 May 2022 544th Tagfox 687 99 18 Jul 2022 544th gabrielsqw 687 99 24 Oct 2023 544th sciencedjinn 687 99 13 days ago 548th OppositeShark 680 100 19 Jul 2022 548th NOS4A5I 680 100 10 Jan 2023 548th lomarbrick 680 100 16 May 2023 551st markus-rekdal 673 101 10 May 2022 551st fraserli 🇦🇺 673 101 2 May 2023 551st 0dyse 673 101 6 Aug 2023 551st FCORMERAIS 673 101 6 Mar 2024 555th PogLop 🇨🇿 667 102 31 Oct 2022 555th AndersH3 🇸🇪 667 102 17 May 2023 555th griffinschreiber 667 102 26 Jun 2023 558th enbyte 660 103 20 Dec 2022 558th rajlath 660 103 7 Jan 2023 558th mnurzia 660 103 12 Oct 2023 558th sqrteipi 660 103 2 Apr 2024 562nd winigo3 654 104 8 Aug 2022 562nd zt14427 654 104 30 Apr 2023 562nd IoLimmer 654 104 24 Jul 2024 565th LordSir101 648 105 19 Jul 2022 565th tmanternach 648 105 24 Nov 2022 565th weber-hge 648 105 13 Jun 2023 565th Eugen-str 648 105 24 Oct 2023 569th ms-tingliang 642 106 5 Aug 2022 569th achilleasr 642 106 7 Nov 2022 569th OleBrumm 642 106 8 Jan 2023 569th AbhilashaTandon 642 106 19 Sep 2023 569th sheeperino 🇮🇹 642 106 11 Oct 2024 574th phpboyscout 636 107 18 May 2023 574th DrPrettyman 636 107 5 Jul 2023 574th joseph-w0ng 636 107 5 Jul 2024 577th landyrisbad 630 108 13 Nov 2022 577th cakular 630 108 17 May 2024 577th glassala 630 108 25 Oct 2024 580th tjefferson401 624 109 16 Sep 2022 580th ariesmarinus 624 109 16 hours ago 582nd profJGermain 618 110 7 Feb 2024 582nd JMMMMC 618 110 23 Oct 2024 584th sagnik3 607 112 8 Aug 2022 584th craftablescience 607 112 19 Sep 2023 586th kelseychristensen 602 113 2 Nov 2022 586th ArmsTheLimited 602 113 1 Jun 2023 586th nooby31415 602 113 1 Nov 2023 589th HunterC14 596 114 18 Oct 2024 590th jstechman 591 115 24 Feb 2024 590th dan422442 591 115 19 Oct 2024 592nd keelanfh 586 116 20 Dec 2023 593rd gioto64 581 117 8 Dec 2022 593rd WilfredSalmon 581 117 21 Oct 2023 595th XianchengZ 576 118 18 Aug 2023 596th jmmographer 557 122 21 Oct 2023 597th xbxbxb007 553 123 10 Jan 2024 598th AdrianN001 523 130 6 Aug 2023 599th wyatt-the-hump 519 131 24 Dec 2022 599th hotmanga 519 131 20 Oct 2023 Prev 526–600 of 623 Next
