Collatz in Python in chars. 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 Mandelbrot 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 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 Mandelbrot 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 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 Chars Time 675th dan422442 496 115 19 Oct 2024 677th keelanfh 491 116 20 Dec 2023 677th returnitynet 491 116 27 Jan 2025 679th gioto64 487 117 8 Dec 2022 679th WilfredSalmon 487 117 21 Oct 2023 681st XianchengZ 483 118 18 Aug 2023 681st brindak2005 483 118 2 May 2025 683rd jmmographer 467 122 21 Oct 2023 684th xbxbxb007 463 123 10 Jan 2024 685th kevinnaviapaiva 442 129 20 Feb 2025 686th AdrianN001 438 130 6 Aug 2023 687th wyatt-the-hump 435 131 24 Dec 2022 687th hotmanga 435 131 20 Oct 2023 687th Jordynar02 435 131 3 May 2025 690th Zach10za 429 133 23 Jan 2024 691st vtilde 425 134 8 Jan 2024 692nd fig-apple 422 135 24 Jun 2023 693rd S-Ruban 416 137 25 Feb 2023 694th FLOKI0421 410 139 4 May 2025 694th noahdorsch 410 139 5 May 2025 696th bartsowka2000 383 149 10 Jul 2023 697th sa1640 370 154 28 Apr 2025 698th arinhyther 368 155 24 Dec 2022 699th SebbeCaliban 363 157 11 Apr 2023 700th codefeld 329 173 5 Mar 2023 701st fl3ur1nestimable 320 178 24 Oct 2022 702nd Siyasia 302 189 22 Apr 2025 703rd kalehika1234 295 193 24 Apr 2025 704th hannahherbig 294 194 30 Mar 2023 705th dahappy1989 278 205 5 Nov 2023 706th sahilshresthaa 277 206 4 May 2025 707th jalbertgordon 275 207 24 Oct 2023 708th AidanWalter 273 209 3 Jan 2025 709th sayloren 263 217 5 Mar 2023 709th AshayP123 263 217 1 May 2025 711th rubenguajardount 253 225 4 May 2025 712th amritm55 250 228 1 Apr 2025 713th clarkatunt19 249 229 3 May 2025 714th jac1107 248 230 4 May 2025 714th rcs0252 248 230 4 May 2025 716th apurbapokharel 244 234 3 Apr 2025 717th wlopez44 236 242 29 Apr 2025 717th sakshiPatel2602 236 242 3 May 2025 719th Zok030 235 243 1 Apr 2025 719th Josemnz 235 243 28 Apr 2025 721st tophy6 232 246 1 Apr 2025 721st LyndaS317 232 246 14 Apr 2025 723rd letdank 231 247 1 Apr 2025 723rd AdamGonzo1254 231 247 3 May 2025 725th shawncrabtree 226 252 17 hours ago 726th punkroczombie 224 254 4 May 2025 727th Abulsamad 200 285 5 May 2025 728th aidnrox 188 303 2 May 2025 729th OffSecVik 188 304 25 Feb 2023 730th Hailee100 182 314 1 Apr 2025 731st lightediand 🇬🇧 179 319 14 Dec 2022 732nd chaamsak 177 322 1 May 2025 733rd joshuamkite 174 328 15 Aug 2023 734th 27carig 173 330 2 May 2025 735th steven-purcell 154 370 15 Jan 2024 736th lightgeb 148 384 27 Oct 2023 737th Samtheman773 146 390 22 Apr 2025 738th jejuan05 127 450 1 Apr 2025 739th DiyaKumariGupta 102 560 30 Apr 2025 740th chasedillard 92 619 30 Apr 2025 741st retrohun 18 3,238 27 Dec 2022 741st JKfromHMS 18 3,238 20 May 2024 741st RJFuller 18 3,238 3 Apr 2025 744th KatieLG-Transpiler 🇬🇧 13 4,233 23 Jun 2022 Prev 676–744 of 744