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 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 448th estomagordo 🇳🇱 695 82 26 Oct 2022 448th ThatAlo 695 82 14 Nov 2022 448th twocatsinatrenchcoat 695 82 29 Nov 2022 448th aid-f 695 82 21 Mar 2023 448th nooby31415 695 82 3 Nov 2023 448th henrydukepickle 695 82 8 Dec 2023 448th amollberg 🇸🇪 695 82 3 Jan 2024 448th mrmena 🇦🇺 695 82 19 Mar 2024 448th rifatx 695 82 16 Jul 2024 448th AstroOrbis 695 82 19 days ago 448th NicoH76 695 82 8 days ago 448th 0dyse 695 82 4 days ago 463rd bonevbs 687 83 8 May 2022 463rd feherd 687 83 20 May 2022 463rd pbleich 687 83 24 Aug 2022 463rd RoscoeSmith 687 83 20 Nov 2022 463rd amadeusdotpng 687 83 22 Apr 2023 463rd ross-i 687 83 5 Jul 2023 463rd anonymaew 687 83 2 Aug 2023 463rd mstang107 687 83 20 Dec 2023 463rd LHLaurini 🇧🇷 687 83 26 Jun 2024 463rd C0derX3 🇺🇸 687 83 18 Sep 2024 463rd ComputerKWasTaken 🇺🇸 687 83 20 Jan 2025 463rd Vexxter9 🇳🇱 687 83 4 Feb 2025 463rd CodyKlingler 687 83 7 Feb 2025 463rd OyuDays 687 83 17 Mar 2025 463rd julianreece 687 83 4 days ago 478th Feniske 🇫🇷 679 84 7 Oct 2022 478th Eilonlif 🇮🇱 679 84 29 Mar 2023 478th mhsaul 679 84 11 Apr 2023 478th Phyisis 679 84 30 Apr 2024 478th MaxCastella 🇫🇷 679 84 11 Oct 2024 478th SURAJMITTAL 679 84 17 Dec 2024 478th simplylu 679 84 5 Jan 2025 478th WillowWispy 679 84 14 Mar 2025 478th rustykitty 679 84 20 hours ago 478th VedJosh 679 84 62 mins ago 488th aazuspan 671 85 15 Jun 2022 488th myleopard 671 85 20 Jul 2022 488th LukasFolwarczny 🇨🇿 671 85 16 Sep 2022 491st MichaelMBradley 🇨🇦 663 86 5 Jun 2022 491st Lemonz-13223 663 86 21 Sep 2022 491st za3k 663 86 11 Oct 2022 491st Bodo171 663 86 24 Nov 2022 491st shibacho 🇯🇵 663 86 25 Nov 2022 491st Vaekor 663 86 9 Jul 2023 491st LeoVanderSteege 663 86 18 Nov 2023 491st Pale-Vessel 663 86 18 Dec 2023 491st tik25 663 86 28 Mar 2024 491st willschremmer 663 86 27 Apr 2024 491st jamiloBBKing 663 86 27 Jan 2025 491st AsishKunta 663 86 1 Apr 2025 491st Hemanthred2005 663 86 1 Apr 2025 491st Voltrifrodec 🇸🇰 663 86 14 days ago 491st lurey99 663 86 10 days ago 506th ToE42 655 87 19 Oct 2022 506th omri2001 655 87 19 Oct 2022 506th Skallos-s 655 87 5 Dec 2022 506th PotatoSaladOverlord 655 87 15 Mar 2023 506th damoc1es 655 87 16 Apr 2023 506th michelebastione 🇮🇹 655 87 20 Dec 2023 506th clampcorder 655 87 24 Jan 2024 506th GitQuick 655 87 23 Feb 2024 506th EricSchraf 655 87 21 Mar 2024 515th Andre3582 648 88 29 Oct 2022 515th Darknova2468 648 88 20 Nov 2022 515th Solsticely 648 88 20 Nov 2022 515th goGuru 648 88 21 Dec 2022 515th msbranicky 648 88 9 Aug 2023 515th gussy420 648 88 28 Oct 2023 515th Shynif 648 88 21 Feb 2024 515th somehybrid 648 88 24 Aug 2024 515th hippopotam00sehead 🇨🇦 648 88 11 Sep 2024 515th 08jne01 648 88 21 Nov 2024 525th lovernj 640 89 23 Aug 2022 Prev 451–525 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