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 Topological Sort 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Topological Sort 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 223rd gdpr777 770 74 10 Feb 2025 223rd Pyroan 770 74 27 Mar 2025 223rd Squimbletin 770 74 19 Apr 2025 223rd Dandandooo 770 74 23 Apr 2025 223rd khangtm123 770 74 4 May 2025 223rd 40fied4t 770 74 6 May 2025 223rd 48panda 770 74 6 May 2025 223rd TheZwierzLF 🇵🇱 770 74 21 May 2025 223rd kbeat 🇰🇿 770 74 21 May 2025 223rd LvLError 770 74 29 May 2025 223rd Lv0Sys 🇵🇱 770 74 30 May 2025 223rd ffelixm 770 74 3 Jun 2025 223rd osNiko 🇧🇷 770 74 19 days ago 223rd wobblybits 770 74 14 hours ago 315th martinnorling 🇸🇪 760 75 5 May 2022 315th Trunksistor 🇫🇷 760 75 9 May 2022 315th bbakersmith 760 75 28 Jun 2022 315th bsoyka 🇺🇸 760 75 16 Jul 2022 315th julienlamoureux78 760 75 12 Aug 2022 315th dzshn 760 75 16 Aug 2022 315th destofr 760 75 25 Aug 2022 315th vishwathg 760 75 10 Oct 2022 315th nkoppel 760 75 19 Oct 2022 315th AZ9tumas 760 75 23 Oct 2022 315th EthanGrant1 760 75 7 Nov 2022 315th Omega65536 🇩🇪 760 75 24 Nov 2022 315th b10011 🇫🇮 760 75 3 Jan 2023 315th 4ndyJ 🇬🇧 760 75 3 Jan 2023 315th randolchance 760 75 8 Jan 2023 315th LeeCamp 760 75 12 Jan 2023 315th hellwue 760 75 15 Feb 2023 315th nandanjp 760 75 29 Mar 2023 315th galloj 🇨🇿 760 75 20 May 2023 315th jhu04 760 75 23 Jun 2023 315th HelloYuiYui 760 75 1 Nov 2023 315th tobyLovick 760 75 10 Nov 2023 315th RZ781 760 75 19 Nov 2023 315th mikehanus 760 75 21 Nov 2023 315th Hebelub 760 75 6 Jan 2024 315th minhtrancccp 760 75 11 Jan 2024 315th jbjd 760 75 25 Feb 2024 315th gabe-gallegos 760 75 2 May 2024 315th kejcao 🇨🇦 760 75 11 May 2024 315th Florian-Mt 760 75 22 Jul 2024 315th codingisgreatbutiamnot 760 75 9 Aug 2024 315th Terobero 760 75 23 Aug 2024 315th RedzGoose 🇦🇺 760 75 7 Oct 2024 315th Clay-Goodling 760 75 8 Oct 2024 315th jiji7879 760 75 20 Jun 2025 315th faragocsaba 760 75 22 Jun 2025 315th bknower 760 75 30 Jun 2025 315th clayboll99 760 75 14 Jul 2025 315th edsrzf 🇳🇿 760 75 14 days ago 354th guilhem-roy 🇫🇷 750 76 5 May 2022 354th NewDefectus 🇮🇱 750 76 6 May 2022 354th CuboidRaptor 🇨🇦 750 76 25 May 2022 354th TheSmilingTurtle 750 76 5 Jun 2022 354th Romain-1 🇫🇷 750 76 8 Jun 2022 354th jhpaques 🇫🇷 750 76 30 Jul 2022 354th chriscianfarani 750 76 10 Aug 2022 354th eshilo-draper 750 76 13 Sep 2022 354th suwat513 750 76 22 Sep 2022 354th PogLop 🇨🇿 750 76 3 Nov 2022 354th Jaydosu 750 76 14 Nov 2022 354th tails618 750 76 2 Dec 2022 354th KevinLyvers 750 76 17 Dec 2022 354th nayakrujul 750 76 3 Jan 2023 354th CatsAreFluffy 750 76 18 Feb 2023 354th Schreipfelerer 750 76 9 Apr 2023 354th hm5822 750 76 22 Apr 2023 354th celiendonze 🇨🇭 750 76 5 Jul 2023 354th brochmann 🇸🇪 750 76 13 Aug 2023 354th 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