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 434th Alex-Huggett 🇬🇧 713 80 13 Apr 2024 434th RobertHoeh 713 80 27 May 2024 434th LorenzoDeGaspari 713 80 27 May 2024 434th AstroOrbis 713 80 7 May 2025 455th abba23 704 81 26 May 2022 455th docd 704 81 8 Aug 2022 455th Smetalo 704 81 25 Aug 2022 455th glesnick 704 81 6 Sep 2022 455th Yareeeema 704 81 3 Nov 2022 455th RandGuy 704 81 23 Nov 2022 455th GWStuart 704 81 19 Dec 2022 455th wa1ker38552 704 81 22 May 2023 455th LimaoC 704 81 11 Aug 2023 455th robertovers 704 81 2 Oct 2023 455th RaBa21 704 81 12 Nov 2023 455th HanaEndUser 704 81 15 Feb 2024 455th Loag 704 81 22 Sep 2024 455th julian-hoelz 704 81 23 Sep 2024 455th JesseNoEyes 🇺🇸 704 81 4 Oct 2024 455th GoldStar184 704 81 27 Nov 2024 455th ihatethefrench 704 81 5 Jan 2025 472nd Ailko 🇧🇪 695 82 12 May 2022 472nd joshmoody24 695 82 12 May 2022 472nd andrewgopher 695 82 25 Jun 2022 472nd estomagordo 🇳🇱 695 82 26 Oct 2022 472nd ThatAlo 695 82 14 Nov 2022 472nd twocatsinatrenchcoat 695 82 29 Nov 2022 472nd aid-f 695 82 21 Mar 2023 472nd nooby31415 695 82 3 Nov 2023 472nd henrydukepickle 695 82 8 Dec 2023 472nd amollberg 🇸🇪 695 82 3 Jan 2024 472nd mrmena 🇦🇺 695 82 19 Mar 2024 472nd rifatx 695 82 16 Jul 2024 472nd NicoH76 695 82 24 Apr 2025 472nd 0dyse 695 82 29 Apr 2025 472nd some-function 695 82 3 days ago 487th bonevbs 687 83 8 May 2022 487th feherd 687 83 20 May 2022 487th pbleich 687 83 24 Aug 2022 487th RoscoeSmith 687 83 20 Nov 2022 487th amadeusdotpng 687 83 22 Apr 2023 487th ross-i 687 83 5 Jul 2023 487th anonymaew 687 83 2 Aug 2023 487th mstang107 687 83 20 Dec 2023 487th LHLaurini 🇧🇷 687 83 26 Jun 2024 487th C0derX3 🇺🇸 687 83 18 Sep 2024 487th ComputerKWasTaken 🇺🇸 687 83 20 Jan 2025 487th Vexxter9 🇳🇱 687 83 4 Feb 2025 487th CodyKlingler 687 83 7 Feb 2025 487th OyuDays 687 83 17 Mar 2025 487th julianreece 687 83 29 Apr 2025 502nd Feniske 🇫🇷 679 84 7 Oct 2022 502nd Eilonlif 🇮🇱 679 84 29 Mar 2023 502nd mhsaul 679 84 11 Apr 2023 502nd Phyisis 679 84 30 Apr 2024 502nd MaxCastella 🇫🇷 679 84 11 Oct 2024 502nd SURAJMITTAL 679 84 17 Dec 2024 502nd simplylu 679 84 5 Jan 2025 502nd WillowWispy 679 84 14 Mar 2025 502nd rustykitty 679 84 2 May 2025 502nd VedJosh 679 84 3 May 2025 502nd hetz2625 679 84 4 May 2025 513th aazuspan 671 85 15 Jun 2022 513th myleopard 671 85 20 Jul 2022 513th LukasFolwarczny 🇨🇿 671 85 16 Sep 2022 513th aaardwark 671 85 1 Jun 2025 517th MichaelMBradley 🇨🇦 663 86 5 Jun 2022 517th Lemonz-13223 663 86 21 Sep 2022 517th Bodo171 663 86 24 Nov 2022 517th shibacho 🇯🇵 663 86 25 Nov 2022 517th Vaekor 663 86 9 Jul 2023 517th LeoVanderSteege 663 86 18 Nov 2023 517th Pale-Vessel 663 86 18 Dec 2023 517th tik25 663 86 28 Mar 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