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Tutorial in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 284th DialFrost 🇸🇬 0 35 2ms 17 Apr 2025 284th Shanethegamer 🇺🇸 0 35 2ms 17 Apr 2025 284th HumanoidCPU 0 35 2ms 18 Apr 2025 284th frankgraziano 0 35 2ms 18 Apr 2025 284th CaedenHarper 🇨🇦 0 35 2ms 18 Apr 2025 284th dokutan 0 35 2ms 2 Jul 2025 284th edsrzf 🇳🇿 0 35 4ms 20 Jul 2025 284th AbrahamJLR 🇻🇪 0 35 2ms 21 Jul 2025 284th snoozingnewt 🇨🇦 0 35 2ms 15 Sep 2025 284th snoozingnewt 🇨🇦 0 35 4ms 15 Sep 2025 284th luuumine 🇫🇷 0 35 2ms 10 Nov 2025 284th KasperKivimaeki 🇫🇮 0 35 5ms 18 Nov 2025 284th ryyyn 🇺🇸 0 35 2ms 20 Nov 2025 284th JOrE20 0 35 2ms 25 Nov 2025 284th FoxInTheClouds 0 35 2ms 6 Feb 2026 284th marcuswilcour 0 35 2ms 26 Mar 2026 284th NameRandomString 0 35 2ms 27 days ago 284th DayDun 🇸🇪 0 35 5ms 20 days ago 284th Matter1024 🇮🇳 0 35 4ms 14 days ago 320th Shanethegamer 🇺🇸 0 36 475ms 20 Nov 2024 320th error256 0 36 455ms 21 Nov 2024 320th DialFrost 🇸🇬 0 36 447ms 26 Nov 2024 320th emgordon154 0 36 480ms 3 Dec 2024 320th SirBogman 🇺🇸 0 36 465ms 3 Dec 2024 320th GolfingSuccess 🇬🇷 0 36 458ms 7 Dec 2024 320th antimon2 🇯🇵 0 36 480ms 16 Dec 2024 320th CaedenHarper 🇨🇦 0 36 421ms 4 Jan 2025 320th dokutan 0 36 462ms 3 Feb 2025 320th retrohun 0 36 2ms 31 Mar 2025 320th ovs-code 🇩🇪 0 36 500ms 17 Apr 2025 320th edsrzf 🇳🇿 0 36 428ms 17 Apr 2025 320th HumanoidCPU 0 36 463ms 18 Apr 2025 320th alemelis 0 36 440ms 20 Jun 2025 320th frankgraziano 0 36 465ms 6 Aug 2025 320th snoozingnewt 🇨🇦 0 36 464ms 15 Sep 2025 336th ovs-code 🇩🇪 0 37 16ms 26 Nov 2024 336th 2bular 0 37 36ms 9 Dec 2024 336th Natanaelel 🇸🇪 0 37 2ms 26 Jan 2025 336th DialFrost 🇸🇬 0 37 19ms 24 Feb 2025 336th Sakisan 🇧🇪 0 37 19ms 5 Apr 2025 336th dokutan 0 37 16ms 13 Apr 2025 336th DialFrost 🇸🇬 0 37 46ms 17 Apr 2025 336th MeWhenI 🇻🇦 0 37 16ms 17 Apr 2025 336th Shanethegamer 🇺🇸 0 37 39ms 17 Apr 2025 336th GolfingSuccess 🇬🇷 0 37 16ms 17 Apr 2025 336th Shanethegamer 🇺🇸 0 37 17ms 17 Apr 2025 336th HumanoidCPU 0 37 41ms 18 Apr 2025 336th HumanoidCPU 0 37 21ms 18 Apr 2025 336th HPWiz 🇳🇿 0 37 19ms 18 Apr 2025 336th CaedenHarper 🇨🇦 0 37 45ms 18 Apr 2025 336th CaedenHarper 🇨🇦 0 37 17ms 19 Apr 2025 336th GolfingSuccess 🇬🇷 0 37 40ms 19 Apr 2025 336th edsrzf 🇳🇿 0 37 16ms 19 Apr 2025 336th zacjl 0 37 5ms 20 Apr 2025 336th frankgraziano 0 37 43ms 19 May 2025 336th lynn 0 37 44ms 15 Jun 2025 336th frankgraziano 0 37 16ms 26 Jul 2025 336th albanian-laundromat 🇺🇸 0 37 16ms 4 Aug 2025 336th snoozingnewt 🇨🇦 0 37 45ms 15 Sep 2025 336th snoozingnewt 🇨🇦 0 37 16ms 15 Sep 2025 336th SirBogman 🇺🇸 0 37 46ms 5 Oct 2025 362nd ovs-code 🇩🇪 0 38 42ms 25 Nov 2024 362nd sean-niemann 🇺🇸 0 38 38ms 26 Nov 2024 362nd emgordon154 0 38 4ms 27 Nov 2024 362nd CLOStrophobic 🇮🇹 0 38 16ms 22 Jan 2025 362nd btjones0 0 38 2ms 17 Feb 2025 362nd Frowny 0 38 34ms 10 Mar 2025 362nd Mukundan314 0 38 20ms 25 Apr 2025 369th MeWhenI 🇻🇦 0 39 169ms 29 Jan 2025 369th emgordon154 0 39 4ms 14 Feb 2025 369th DialFrost 🇸🇬 0 39 158ms 17 Apr 2025 369th Shanethegamer 🇺🇸 0 39 3ms 19 May 2025 369th HumanoidCPU 0 39 3ms 19 May 2025 369th plcc0 0 39 4ms 19 May 2025 369th voytxt 🇨🇿 0 39 3ms 19 May 2025 369th GolfingSuccess 🇬🇷 0 39 3ms 19 May 2025 369th DialFrost 🇸🇬 0 39 3ms 21 May 2025 369th MeWhenI 🇻🇦 0 39 3ms 28 May 2025 369th Jigglypuffed 0 39 4ms 12 Jun 2025 369th xvogt 🇱🇮 0 39 3ms 12 Jun 2025 369th AlephSquirrel 0 39 3ms 12 Jun 2025 369th yobatm 0 39 44ms 3 Aug 2025 369th ndren 0 39 3ms 5 Sep 2025 369th snoozingnewt 🇨🇦 0 39 3ms 15 Sep 2025 369th masikoijo 0 39 3ms 11 Nov 2025 386th emgordon154 0 40 4ms 9 Feb 2025 386th DialFrost 🇸🇬 0 40 4ms 9 Feb 2025 386th GolfingSuccess 🇬🇷 0 40 6ms 12 Feb 2025 386th chunes3 🇺🇸 0 40 3ms 13 Feb 2025 386th HumanoidCPU 0 40 5ms 18 Apr 2025 386th DialFrost 🇸🇬 0 40 5ms 20 Apr 2025 386th ovs-code 🇩🇪 0 40 3ms 19 May 2025 386th Shanethegamer 🇺🇸 0 40 5ms 6 Jun 2025 386th artem-aramma 0 40 4ms 18 Jun 2025 386th alemelis 0 40 18ms 3 Aug 2025 386th frankgraziano 0 40 6ms 13 Aug 2025 386th snoozingnewt 🇨🇦 0 40 6ms 15 Sep 2025 386th JOrE20 0 40 6ms 22 Nov 2025 386th plcc0 0 40 4ms 4 Feb 2026 400th targrik 0 41 3ms 9 Jul 2025 First Prev 301–400 of 3,494 Next Last