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 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 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 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 Chars Time 676th XianchengZ 483 118 18 Aug 2023 676th brindak2005 483 118 2 May 2025 678th jmmographer 467 122 21 Oct 2023 679th xbxbxb007 463 123 10 Jan 2024 680th kevinnaviapaiva 442 129 20 Feb 2025 681st AdrianN001 438 130 6 Aug 2023 682nd wyatt-the-hump 435 131 24 Dec 2022 682nd hotmanga 435 131 20 Oct 2023 682nd Jordynar02 435 131 3 May 2025 685th Zach10za 429 133 23 Jan 2024 686th vtilde 425 134 8 Jan 2024 687th fig-apple 422 135 24 Jun 2023 688th S-Ruban 416 137 25 Feb 2023 689th FLOKI0421 410 139 4 May 2025 689th noahdorsch 410 139 5 May 2025 691st bartsowka2000 383 149 10 Jul 2023 692nd sa1640 370 154 28 Apr 2025 693rd arinhyther 368 155 24 Dec 2022 694th SebbeCaliban 363 157 11 Apr 2023 695th codefeld 329 173 5 Mar 2023 696th fl3ur1nestimable 320 178 24 Oct 2022 697th Siyasia 302 189 22 Apr 2025 698th kalehika1234 295 193 24 Apr 2025 699th hannahherbig 294 194 30 Mar 2023 700th dahappy1989 278 205 5 Nov 2023 701st sahilshresthaa 277 206 4 May 2025 702nd jalbertgordon 275 207 24 Oct 2023 703rd AidanWalter 273 209 3 Jan 2025 704th sayloren 263 217 5 Mar 2023 704th AshayP123 263 217 1 May 2025 706th rubenguajardount 253 225 4 May 2025 707th amritm55 250 228 1 Apr 2025 708th clarkatunt19 249 229 3 May 2025 709th jac1107 248 230 4 May 2025 709th rcs0252 248 230 4 May 2025 711th apurbapokharel 244 234 3 Apr 2025 712th wlopez44 236 242 29 Apr 2025 712th sakshiPatel2602 236 242 3 May 2025 714th Zok030 235 243 1 Apr 2025 714th Josemnz 235 243 28 Apr 2025 716th tophy6 232 246 1 Apr 2025 716th LyndaS317 232 246 14 Apr 2025 718th letdank 231 247 1 Apr 2025 718th AdamGonzo1254 231 247 3 May 2025 720th punkroczombie 224 254 4 May 2025 721st Abulsamad 200 285 5 May 2025 722nd aidnrox 188 303 2 May 2025 723rd OffSecVik 188 304 25 Feb 2023 724th Hailee100 182 314 1 Apr 2025 725th lightediand 🇬🇧 179 319 14 Dec 2022 726th chaamsak 177 322 1 May 2025 727th joshuamkite 174 328 15 Aug 2023 728th 27carig 173 330 2 May 2025 729th steven-purcell 154 370 15 Jan 2024 730th lightgeb 148 384 27 Oct 2023 731st Samtheman773 146 390 22 Apr 2025 732nd jejuan05 127 450 1 Apr 2025 733rd DiyaKumariGupta 102 560 30 Apr 2025 734th chasedillard 92 619 30 Apr 2025 735th retrohun 18 3,238 27 Dec 2022 735th JKfromHMS 18 3,238 20 May 2024 735th RJFuller 18 3,238 3 Apr 2025 738th KatieLG-Transpiler 🇬🇧 13 4,233 23 Jun 2022 Prev 676–738 of 738