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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 670th HumanoidCPU 0 58 4ms 18 Apr 2025 670th CaedenHarper 🇨🇦 0 58 7ms 18 Apr 2025 670th CaedenHarper 🇨🇦 0 58 4ms 18 Apr 2025 670th dokutan 0 58 3ms 28 Apr 2025 670th 2bular 0 58 3ms 8 Jul 2025 670th h3ra993huskp 🇯🇵 0 58 2,559ms 11 Aug 2025 670th frankgraziano 0 58 7ms 13 Aug 2025 670th snoozingnewt 🇨🇦 0 58 7ms 15 Sep 2025 670th snoozingnewt 🇨🇦 0 58 4ms 15 Sep 2025 670th snoozingnewt 🇨🇦 0 58 3ms 15 Sep 2025 670th kg583 🇺🇸 0 58 4ms 27 Sep 2025 670th plcc0 0 58 8ms 7 Oct 2025 670th TheZwierzLF 🇵🇱 0 58 632ms 21 Nov 2025 670th JOrE20 0 58 6ms 25 Nov 2025 715th MeWhenI 🇻🇦 0 59 7ms 11 Dec 2024 715th emgordon154 0 59 4ms 8 Jan 2025 715th duckyluuk 🇳🇱 0 59 5ms 12 Jan 2025 715th Natanaelel 🇸🇪 0 59 4ms 2 Feb 2025 715th ovs-code 🇩🇪 0 59 14ms 4 Feb 2025 715th Shanethegamer 🇺🇸 0 59 3ms 7 Feb 2025 715th voytxt 🇨🇿 0 59 6ms 8 Feb 2025 715th GolfingSuccess 🇬🇷 0 59 14ms 15 Feb 2025 715th 2bular 0 59 14ms 5 Mar 2025 715th DialFrost 🇸🇬 0 59 15ms 17 Apr 2025 715th zacjl 0 59 15ms 17 Apr 2025 715th Shanethegamer 🇺🇸 0 59 15ms 17 Apr 2025 715th HumanoidCPU 0 59 15ms 18 Apr 2025 715th dokutan 0 59 15ms 28 Apr 2025 715th edsrzf 🇳🇿 0 59 14ms 13 Jun 2025 715th LostSyntax21 🇬🇧 0 59 4ms 19 Jul 2025 715th snoozingnewt 🇨🇦 0 59 14ms 15 Sep 2025 715th gaving-quadprep 0 59 75ms 26 Oct 2025 715th FlyingPenguin223 0 59 2ms 14 Nov 2025 715th MeWhenI 🇻🇦 0 59 2ms 14 Nov 2025 735th xsot 🇸🇬 0 60 6ms 4 Dec 2024 735th CatsAreFluffy 0 60 70ms 13 Dec 2024 735th emgordon154 0 60 2,474ms 4 Feb 2025 735th klixel 🇨🇦 0 60 103ms 8 Apr 2025 735th emgordon154 0 60 2ms 5 Aug 2025 735th emgordon154 0 60 116ms 5 Nov 2025 735th Babafaba 0 60 742ms 24 Nov 2025 735th dokutan 0 60 4ms 9 Feb 2026 743rd Shanethegamer 🇺🇸 0 61 14ms 20 Nov 2024 743rd stefangimmillaro 0 61 15ms 21 Nov 2024 743rd error256 0 61 12ms 21 Nov 2024 743rd ovs-code 🇩🇪 0 61 10ms 25 Nov 2024 743rd GolfingSuccess 🇬🇷 0 61 11ms 25 Nov 2024 743rd sean-niemann 🇺🇸 0 61 11ms 26 Nov 2024 743rd duckyluuk 🇳🇱 0 61 14ms 26 Nov 2024 743rd DialFrost 🇸🇬 0 61 13ms 26 Nov 2024 743rd rucin93 🇵🇱 0 61 11ms 26 Nov 2024 743rd emgordon154 0 61 10ms 28 Nov 2024 743rd stefangimmillaro 0 61 5ms 3 Dec 2024 743rd lukegustafson 🇺🇸 0 61 11ms 7 Dec 2024 743rd MeWhenI 🇻🇦 0 61 10ms 11 Dec 2024 743rd emplv 🇱🇻 0 61 14ms 11 Dec 2024 743rd voytxt 🇨🇿 0 61 12ms 22 Dec 2024 743rd Salutations45 0 61 12ms 29 Dec 2024 743rd duckyluuk 🇳🇱 0 61 2,137ms 12 Jan 2025 743rd CLOStrophobic 🇮🇹 0 61 11ms 22 Jan 2025 743rd voytxt 🇨🇿 0 61 7ms 25 Jan 2025 743rd m-tkach 🇺🇦 0 61 13ms 30 Jan 2025 743rd Natanaelel 🇸🇪 0 61 13ms 2 Feb 2025 743rd CaedenHarper 🇨🇦 0 61 12ms 3 Feb 2025 743rd BalaM314 0 61 14ms 4 Feb 2025 743rd kg583 🇺🇸 0 61 102ms 5 Feb 2025 743rd GolfingSuccess 🇬🇷 0 61 100ms 5 Feb 2025 743rd targrik 0 61 14ms 8 Feb 2025 743rd MeWhenI 🇻🇦 0 61 3ms 14 Feb 2025 743rd targrik 0 61 3ms 15 Feb 2025 743rd attila8192 0 61 12ms 1 Mar 2025 743rd targrik 0 61 2ms 14 Mar 2025 743rd janlelis 0 61 11ms 31 Mar 2025 743rd b-illy 🇬🇧 0 61 12ms 16 Apr 2025 743rd janbehrens 🇩🇪 0 61 13ms 17 Apr 2025 743rd pardouin 🇫🇷 0 61 13ms 17 Apr 2025 743rd Shanethegamer 🇺🇸 0 61 109ms 17 Apr 2025 743rd edsrzf 🇳🇿 0 61 11ms 17 Apr 2025 743rd HumanoidCPU 0 61 100ms 18 Apr 2025 743rd HumanoidCPU 0 61 12ms 18 Apr 2025 743rd AlephSquirrel 0 61 11ms 20 Apr 2025 743rd Sam-Vrgl 0 61 11ms 13 May 2025 743rd c-py 0 61 11ms 14 May 2025 743rd albanian-laundromat 🇺🇸 0 61 99ms 6 Jun 2025 743rd Andrey-Plotnikov 0 61 10ms 19 Jun 2025 743rd a6166231 🇨🇳 0 61 11ms 20 Jun 2025 743rd BREMAUCY 🇫🇷 0 61 12ms 1 Jul 2025 743rd RYSF13 🇨🇳 0 61 11ms 5 Jul 2025 743rd p01 0 61 11ms 28 Jul 2025 743rd KrausRaus 🇺🇸 0 61 12ms 29 Jul 2025 743rd dmrichwa 🇺🇸 0 61 12ms 29 Jul 2025 743rd dokutan 0 61 2ms 5 Aug 2025 743rd gitchaell 🇧🇴 0 61 11ms 6 Aug 2025 743rd lukepolak 0 61 13ms 7 Aug 2025 743rd adrianbgo 0 61 11ms 7 Aug 2025 743rd helbling 🇨🇭 0 61 12ms 28 Aug 2025 743rd snoozingnewt 🇨🇦 0 61 113ms 15 Sep 2025 743rd snoozingnewt 🇨🇦 0 61 11ms 15 Sep 2025 743rd larsendaniel 0 61 12ms 7 Nov 2025 743rd JOrE20 0 61 13ms 18 Nov 2025 First Prev 701–800 of 3,494 Next Last