The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Morse Decoder 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 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 Continued Fractions 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 Taxicab 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Continued Fractions 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 Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 226th inventshah 734 167 605ms 16 Jan 2024 227th jared-hughes 733 208 379ms 30 Aug 2022 228th stefangimmillaro 732 218 2,808ms 31 May 2023 229th lynn 729 168 16ms 23 Jul 2021 230th SirBogman 🇺🇸 728 147 36ms 28 Aug 2022 231st Natanaelel 🇸🇪 727 140 118ms 26 Apr 2023 232nd lynn 727 251 149ms 30 Jan 2023 233rd hiddicop 🇸🇪 725 140 34ms 31 Jan 2021 234th edsrzf 🇳🇿 723 253 171ms 23 Jan 2025 235th NewDefectus 🇮🇱 722 131 51ms 22 Mar 2024 236th MeWhenI 🇻🇦 721 211 6ms 13 Dec 2023 237th anter69 🇭🇺 720 141 35ms 14 Jan 2023 237th SirBogman 🇺🇸 720 141 43ms 23 Jul 2025 239th MeWhenI 🇻🇦 720 148 791ms 15 Sep 2025 240th anter69 🇭🇺 719 180 15ms 8 Jan 2023 240th ndren 719 180 9ms 25 days ago 242nd lynn 718 220 1,394ms 29 Oct 2021 243rd MeWhenI 🇻🇦 716 240 3ms 28 Jan 2023 244th tayloia 🇬🇧 715 170 10ms 17 May 2023 245th m-tkach 🇺🇦 715 181 9ms 31 Dec 2022 246th jared-hughes 713 185 2ms 30 Aug 2022 247th Artemis21 🇬🇧 711 182 10ms 10 Jan 2025 248th MeWhenI 🇻🇦 703 227 103ms 7 Aug 2023 249th emgordon154 703 400 623ms 9 Jun 2025 250th ovs-code 🇩🇪 699 177 136ms 24 Sep 2023 251st BREMAUCY 🇫🇷 699 185 9ms 24 Jul 2025 252nd emgordon154 693 179 132ms 5 Nov 2024 253rd blaztoma 🇱🇹 692 163 3ms 22 Oct 2025 254th GrayJoKing 🇦🇺 691 180 101ms 10 Aug 2023 255th janbehrens 🇩🇪 690 175 3ms 9 Jun 2021 256th Irratix 🇳🇱 690 221 2,312ms 11 Jan 2023 257th tdkkdt 🇷🇺 689 216 345ms 21 Nov 2021 258th davitf 688 188 9ms 30 Oct 2018 258th SirBogman 🇺🇸 688 188 14ms 23 Jul 2025 260th C0de5mith 🇺🇸 687 177 10ms 19 Sep 2022 261st emgordon154 685 185 5ms 7 Jun 2025 262nd Irratix 🇳🇱 684 189 15ms 31 Jan 2023 263rd adamnielson42 🇺🇸 682 137 3ms 5 Dec 2023 264th Natanaelel 🇸🇪 679 179 9ms 22 Jan 2023 265th angel-p57 🇯🇵 676 387 2ms 6 Dec 2023 266th itsh01 675 180 10ms 12 May 2022 266th dokutan 675 180 9ms 8 Sep 2025 268th emgordon154 674 226 7ms 13 Dec 2024 269th MeWhenI 🇻🇦 670 131 49ms 27 Jan 2023 270th user189032 668 182 9ms 29 May 2019 271st cbondurant 665 275 225ms 6 May 2021 272nd jared-hughes 664 153 38ms 11 Dec 2022 273rd tomtheisen 🇺🇸 664 183 9ms 9 Oct 2020 274th ReidZ3 🇺🇸 664 275 113ms 3 Dec 2020 275th MeWhenI 🇻🇦 663 187 130ms 3 Aug 2024 276th TFeld00 🇩🇰 663 195 16ms 14 Mar 2023 277th m-tkach 🇺🇦 663 291 77ms 11 May 2022 278th emplv 🇱🇻 661 164 4ms 3 Oct 2023 279th potatoattack 661 291 300ms 20 Apr 2020 280th Natanaelel 🇸🇪 660 169 1,238ms 22 Jan 2023 281st helbling 🇨🇭 660 184 10ms 14 Sep 2024 282nd GolfingSuccess 🇬🇷 659 186 978ms 20 Jan 2024 282nd SirBogman 🇺🇸 659 186 547ms 23 Jul 2025 284th dokutan 657 162 827ms 8 Sep 2025 285th BambooleanLogic 🇸🇪 657 185 10ms 5 Jul 2023 286th user189032 657 278 134ms 29 May 2019 287th AdrienHache 🇫🇷 655 227 394ms 13 Jan 2025 288th lynn 654 244 139ms 17 Aug 2021 289th alexkunin 653 186 9ms 6 Jul 2019 290th dzhang314 653 198 9ms 14 Aug 2019 290th GolfingSuccess 🇬🇷 653 198 9ms 27 Nov 2019 290th StefanHabel 🇨🇦 653 198 10ms 11 Dec 2022 293rd coreynash 650 187 10ms 25 May 2023 294th cbondurant 650 199 16ms 10 May 2021 295th MeWhenI 🇻🇦 649 142 424ms 14 Feb 2023 296th qpwoeirut 647 200 15ms 29 Aug 2025 296th dokutan 647 200 9ms 8 Sep 2025 298th inventshah 644 170 7ms 3 Dec 2022 299th emgordon154 643 189 10ms 7 Aug 2024 300th dokutan 642 191 573ms 8 Sep 2025 First Prev 226–300 of 863 Next Last
