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Kolakoski Sequence in all languages in bytes. 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 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 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 Minesweeper 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 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 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 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 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 Minesweeper 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 Bytes Time Submitted 825th tailorspy 689 103 74ms 29 Oct 2023 827th Shanethegamer 🇺🇸 689 106 19ms 4 Oct 2024 828th GolfingSuccess 🇬🇷 688 69 35ms 17 Aug 2024 829th richard-oelze 🇩🇪 688 73 37ms 4 Apr 2021 829th mauro-1 🇮🇹 688 73 10ms 18 Aug 2021 829th gchenfc 688 73 10ms 24 Jan 2022 829th hiichbindermax 688 73 11ms 26 Feb 2022 829th Omega65536 🇩🇪 688 73 13ms 24 Nov 2022 829th sandorstormen 688 73 12ms 18 Feb 2023 829th Mr-McChicken 688 73 12ms 15 Oct 2023 829th Masttest 688 73 10ms 21 Feb 2024 837th Andriamanitra 🇫🇮 687 95 186ms 20 Jul 2023 838th MeWhenI 🇻🇦 685 72 383ms 15 Feb 2023 838th Yewzir 🇧🇪 685 72 421ms 5 Apr 2024 840th DialFrost 🇸🇬 684 67 154ms 3 Aug 2024 841st madex 🇩🇪 683 79 2ms 11 Jul 2024 842nd msbranicky 683 89 2ms 26 Sep 2023 843rd AdrienHache 🇫🇷 682 41 89ms 23 Oct 2023 844th Yewzir 🇧🇪 680 90 339ms 14 Oct 2023 845th jameslindesay 679 74 12ms 24 Feb 2021 845th PkmnQ 679 74 50ms 5 May 2024 845th HumanoidCPU 679 74 12ms 3 Jun 2024 845th RedzGoose 🇦🇺 679 74 11ms 14 Oct 2024 845th yokasuretsu 679 74 12ms 13 Jan 2025 850th Shanethegamer 🇺🇸 678 126 27ms 8 Jul 2021 851st dokutan 677 59 3ms 18 Jul 2025 852nd msbranicky 674 80 5ms 11 Oct 2023 853rd janbehrens 🇩🇪 673 68 1,067ms 9 Apr 2021 854th AdrienHache 🇫🇷 673 91 333ms 31 Dec 2023 855th rboath 671 58 121ms 8 Jan 2025 856th 5quiwyrm 670 54 223ms 5 Dec 2024 857th Trunksistor 🇫🇷 670 75 15ms 25 May 2022 857th celiendonze 🇨🇭 670 75 13ms 16 Jun 2023 857th qwjhvbxi 670 75 11ms 9 Feb 2024 857th wenbang24 670 75 14ms 6 Apr 2024 861st tatzyr 🇯🇵 669 63 39ms 29 Dec 2024 862nd I-Love-47 🇺🇦 669 106 62ms 10 Feb 2022 863rd CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 864th snoozingnewt 🇺🇸 666 98 112ms 18 hours ago 865th Natanaelel 🇸🇪 663 56 5ms 20 Jan 2024 866th DialFrost 🇸🇬 663 75 112ms 3 Jun 2025 867th 77Tigers 662 114 149ms 9 Apr 2024 868th Waffle3z 661 76 13ms 20 Jan 2021 868th hellwue 661 76 13ms 16 Nov 2023 868th dokutan 661 76 18ms 24 Mar 2025 871st HumanoidCPU 657 73 457ms 3 Jun 2024 872nd SirBogman 🇺🇸 657 108 61ms 3 Jan 2022 873rd uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 873rd olleicua 🇺🇸 656 71 13ms 20 Feb 2024 875th emgordon154 655 70 150ms 6 Sep 2024 876th dokutan 654 69 1,354ms 30 Aug 2025 877th msbranicky 653 134 280ms 3 Oct 2023 878th f-tucker 652 77 11ms 2 Feb 2024 878th undefinedRyan 652 77 12ms 19 Apr 2025 878th Emutis 🇱🇹 652 77 12ms 12 Sep 2025 881st olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 882nd dokutan 651 94 367ms 18 Jul 2025 883rd boxjelly 648 65 37ms 11 Feb 2021 883rd msbranicky 648 65 43ms 12 Sep 2023 885th Bubbler-4 648 97 77ms 13 Sep 2023 885th Shanethegamer 🇺🇸 648 97 13ms 22 Dec 2023 887th janbehrens 🇩🇪 648 135 262ms 13 Jun 2021 888th MeWhenI 🇻🇦 646 71 141ms 3 Aug 2024 889th jwhear 🇺🇸 646 171 1,766ms 1 Oct 2024 890th AkashTandon167 644 78 12ms 25 May 2021 890th jhpaques 🇫🇷 644 78 20ms 30 Nov 2022 892nd johnnythedoggie 644 106 135ms 3 Mar 2021 893rd SirBogman 🇺🇸 643 84 2ms 14 Dec 2021 894th annaproxy 642 93 99ms 24 Dec 2022 895th emgordon154 641 98 11ms 10 Dec 2024 896th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 897th KatieLG 🇬🇧 640 77 253ms 2 Oct 2022 898th NickTheEASDude 🇺🇸 640 95 2ms 1 Jul 2024 899th alomiF 640 102 139ms 4 Nov 2024 900th CaedenHarper 🇨🇦 640 107 464ms 23 days ago First Prev 826–900 of 1,820 Next Last