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 Hilbert Curve 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA 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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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 447th hamsterskywalker 722 79 19ms 7 Sep 2022 447th Pena86 722 79 27ms 14 Sep 2022 447th hymanimy 722 79 25ms 24 Nov 2022 447th Demonarchet 722 79 19ms 18 Apr 2023 447th dtaylor0 722 79 18ms 23 May 2023 447th neonchickens 722 79 24ms 6 Oct 2023 447th MWI-polygolf 722 79 20ms 6 Dec 2023 447th eddvrs 722 79 22ms 22 Dec 2023 447th tknight00 722 79 24ms 7 Mar 2024 447th thienudomsrirungruang 722 79 52ms 3 May 2024 447th IsaacAlexBarden 722 79 23ms 6 Feb 2025 447th taesungh 722 79 24ms 7 Jun 2025 447th benvreeves 722 79 22ms 25 Jul 2025 447th saturzay 722 79 25ms 19 Aug 2025 447th j-zhang43 722 79 18ms 6 mins ago 466th j-Ewan 713 80 20ms 13 May 2022 466th osmith93 713 80 33ms 14 Jun 2022 466th hjcafaroUC 713 80 25ms 21 Jun 2022 466th dankleeman 713 80 18ms 8 Aug 2022 466th dillon-duncando 713 80 22ms 4 Oct 2022 466th DrPiranoid 713 80 22ms 11 Nov 2022 466th mdnestor 713 80 24ms 23 Dec 2022 466th Edjyzod 713 80 16ms 7 Mar 2023 466th henry-von-wichert 713 80 28ms 31 Mar 2023 466th Hortaros 713 80 22ms 16 Apr 2023 466th ankeetparikh 713 80 18ms 5 May 2023 466th Neonader 713 80 27ms 9 May 2023 466th nickgza 713 80 16ms 17 Aug 2023 466th MiranDaniel 🇨🇿 713 80 25ms 30 Aug 2023 466th Fanrco 713 80 18ms 31 Aug 2023 466th nyoshe 713 80 21ms 10 Oct 2023 466th AzroyAr 713 80 27ms 28 Dec 2023 466th Alex-Huggett 🇬🇧 713 80 54ms 13 Apr 2024 466th RobertHoeh 713 80 26ms 27 May 2024 466th LorenzoDeGaspari 713 80 23ms 27 May 2024 466th AstroOrbis 713 80 25ms 7 May 2025 466th vgamula 🇺🇦 713 80 22ms 16 Jul 2025 466th imoxyg 713 80 23ms 29 Aug 2025 466th Tristanchaang 713 80 21ms 2 days ago 490th abba23 704 81 29ms 26 May 2022 490th docd 704 81 20ms 8 Aug 2022 490th Smetalo 704 81 25ms 25 Aug 2022 490th glesnick 704 81 24ms 6 Sep 2022 490th Yareeeema 704 81 25ms 3 Nov 2022 490th RandGuy 704 81 25ms 23 Nov 2022 490th GWStuart 704 81 25ms 19 Dec 2022 490th wa1ker38552 704 81 20ms 22 May 2023 490th LimaoC 704 81 22ms 11 Aug 2023 490th robertovers 704 81 23ms 2 Oct 2023 490th HanaEndUser 704 81 17ms 15 Feb 2024 490th Loag 704 81 16ms 22 Sep 2024 490th julian-hoelz 704 81 16ms 23 Sep 2024 490th JesseNoEyes 🇺🇸 704 81 18ms 4 Oct 2024 490th GoldStar184 704 81 23ms 27 Nov 2024 490th ihatethefrench 704 81 23ms 5 Jan 2025 490th csharpython 704 81 16ms 2 Aug 2025 507th Ailko 🇧🇪 695 82 25ms 12 May 2022 507th joshmoody24 695 82 25ms 12 May 2022 507th andrewgopher 695 82 18ms 25 Jun 2022 507th estomagordo 🇳🇱 695 82 25ms 26 Oct 2022 507th ThatAlo 695 82 23ms 14 Nov 2022 507th twocatsinatrenchcoat 695 82 17ms 29 Nov 2022 507th aid-f 695 82 21ms 21 Mar 2023 507th nooby31415 695 82 18ms 3 Nov 2023 507th henrydukepickle 695 82 18ms 8 Dec 2023 507th amollberg 🇸🇪 695 82 25ms 3 Jan 2024 507th mrmena 🇦🇺 695 82 26ms 19 Mar 2024 507th rifatx 695 82 22ms 16 Jul 2024 507th NicoH76 695 82 18ms 24 Apr 2025 507th 0dyse 695 82 24ms 29 Apr 2025 507th some-function 695 82 16ms 2 Jul 2025 507th jacekwladzinski 695 82 24ms 3 days ago 523rd bonevbs 687 83 18ms 8 May 2022 523rd feherd 687 83 18ms 20 May 2022 523rd pbleich 687 83 23ms 24 Aug 2022 First Prev 451–525 of 800 Next Last