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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 601st winigo3 548 104 8 Aug 2022 601st zt14427 548 104 30 Apr 2023 601st IoLimmer 548 104 24 Jul 2024 604th LordSir101 543 105 19 Jul 2022 604th tmanternach 543 105 24 Nov 2022 604th weber-hge 543 105 13 Jun 2023 604th Eugen-str 543 105 24 Oct 2023 608th ms-tingliang 538 106 5 Aug 2022 608th achilleasr 538 106 7 Nov 2022 608th OleBrumm 538 106 8 Jan 2023 608th AbhilashaTandon 538 106 19 Sep 2023 608th sheeperino 🇮🇹 538 106 11 Oct 2024 613th phpboyscout 533 107 18 May 2023 613th DrPrettyman 533 107 5 Jul 2023 613th joseph-w0ng 533 107 5 Jul 2024 616th landyrisbad 528 108 13 Nov 2022 616th cakular 528 108 17 May 2024 616th glassala 528 108 25 Oct 2024 619th tjefferson401 523 109 16 Sep 2022 619th ariesmarinus 523 109 21 Nov 2024 621st profJGermain 518 110 7 Feb 2024 621st JMMMMC 518 110 23 Oct 2024 623rd sagnik3 509 112 8 Aug 2022 623rd craftablescience 509 112 19 Sep 2023 625th kelseychristensen 504 113 2 Nov 2022 625th ArmsTheLimited 504 113 1 Jun 2023 627th HunterC14 500 114 18 Oct 2024 628th jstechman 496 115 24 Feb 2024 628th dan422442 496 115 19 Oct 2024 630th keelanfh 491 116 20 Dec 2023 630th returnitynet 491 116 27 Jan 2025 632nd gioto64 487 117 8 Dec 2022 632nd WilfredSalmon 487 117 21 Oct 2023 634th XianchengZ 483 118 18 Aug 2023 635th jmmographer 467 122 21 Oct 2023 636th xbxbxb007 463 123 10 Jan 2024 637th kevinnaviapaiva 442 129 20 Feb 2025 638th AdrianN001 438 130 6 Aug 2023 639th wyatt-the-hump 435 131 24 Dec 2022 639th hotmanga 435 131 20 Oct 2023 641st Zach10za 429 133 23 Jan 2024 642nd vtilde 425 134 8 Jan 2024 643rd fig-apple 422 135 24 Jun 2023 644th S-Ruban 416 137 25 Feb 2023 645th EnisEfe0 393 145 3 Apr 2023 646th bartsowka2000 383 149 10 Jul 2023 647th arinhyther 368 155 24 Dec 2022 648th SebbeCaliban 363 157 11 Apr 2023 649th codefeld 329 173 5 Mar 2023 650th fl3ur1nestimable 320 178 24 Oct 2022 651st hannahherbig 294 194 30 Mar 2023 652nd dahappy1989 278 205 5 Nov 2023 652nd KasperKivimaeki 🇫🇮 278 205 9 Jul 2024 654th jalbertgordon 275 207 24 Oct 2023 655th AidanWalter 273 209 3 Jan 2025 656th sayloren 263 217 5 Mar 2023 657th amritm55 250 228 2 days ago 658th apurbapokharel 244 234 12 hours ago 659th Zok030 235 243 2 days ago 660th tophy6 232 246 2 days ago 661st letdank 231 247 2 days ago 662nd OffSecVik 188 304 25 Feb 2023 663rd Hailee100 182 314 2 days ago 664th lightediand 🇬🇧 179 319 14 Dec 2022 665th joshuamkite 174 328 15 Aug 2023 666th steven-purcell 154 370 15 Jan 2024 667th lightgeb 148 384 27 Oct 2023 668th jejuan05 127 450 2 days ago 669th retrohun 18 3,238 27 Dec 2022 669th JKfromHMS 18 3,238 20 May 2024 669th RJFuller 18 3,238 21 hours ago 672nd KatieLG-Transpiler 🇬🇧 13 4,233 23 Jun 2022 Prev 601–672 of 672