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 301st edsrzf 🇳🇿 641 169 4ms 3 Sep 2024 302nd ZakkkkAttackkkk 🇵🇭 640 202 9ms 28 Aug 2023 302nd kistlerf 🇨🇭 640 202 9ms 19 May 2025 304th stefangimmillaro 638 170 4ms 6 Feb 2023 305th FlorianCassayre 🇫🇷 637 203 16ms 21 Oct 2023 305th ahmetdemirag 🇨🇾 637 203 9ms 18 Nov 2024 305th plcc0 637 203 10ms 4 Oct 2025 308th Sp3000 🇦🇺 636 147 3ms 10 May 2021 309th ShiraJoseph 🇺🇸 636 191 10ms 28 Apr 2022 310th albanian-laundromat 634 168 806ms 23 days ago 311th Natanaelel 🇸🇪 634 204 17ms 20 Jan 2023 312th unfinishedprogram 633 192 9ms 14 Jul 2023 313th blaztoma 🇱🇹 631 205 9ms 14 Oct 2025 314th eranws 630 193 10ms 1 Nov 2022 314th moikaturns 🇬🇧 630 193 10ms 10 Nov 2022 316th janbehrens 🇩🇪 627 180 3ms 6 May 2021 317th gnlow 🇰🇷 626 194 10ms 18 Feb 2021 318th guilhem-roy 🇫🇷 625 207 9ms 25 Feb 2022 318th RDShah 625 207 10ms 16 Jan 2023 318th Pyroan 625 207 13ms 2 Mar 2025 321st MeWhenI 🇻🇦 625 209 776ms 27 Jan 2023 322nd janbehrens 🇩🇪 623 195 10ms 17 Jun 2023 323rd dokutan 623 199 134ms 8 Sep 2025 324th za3k 616 210 9ms 13 Oct 2022 325th jacklynnepenick 615 152 4ms 29 Aug 2021 326th Kacarott 🇦🇺 615 201 191ms 24 Sep 2024 327th nullie 613 211 10ms 9 Jun 2022 327th janbehrens 🇩🇪 613 211 11ms 17 Jun 2023 329th dokutan 611 249 6ms 20 Feb 2025 330th snoozingnewt 🇺🇸 611 261 87ms 8 days ago 331st dokutan 610 230 416ms 19 days ago 332nd quimey 607 213 11ms 17 Jul 2023 333rd MeWhenI 🇻🇦 606 202 16ms 27 Jan 2023 334th dokutan 604 188 3,417ms 8 Sep 2025 335th commandblockguy 🇺🇸 602 215 14ms 6 Apr 2023 336th jupj 🇫🇮 600 220 2ms 26 Aug 2022 337th The3gs 599 216 11ms 13 Oct 2020 338th commandblockguy 🇺🇸 598 205 1,108ms 1 Sep 2025 339th abailey2020 🇺🇸 596 217 10ms 19 Aug 2020 339th CedricGebistorf 596 217 10ms 20 Feb 2022 339th cros107 🇦🇺 596 217 16ms 9 Sep 2025 342nd Kibble 593 205 9ms 27 Jul 2020 343rd snoozingnewt 🇺🇸 591 317 2ms 18 days ago 344th janbehrens 🇩🇪 590 252 359ms 10 Jan 2022 345th bluebear94 585 174 118ms 2 Mar 2018 346th yzhs 🇩🇪 583 222 9ms 23 Jun 2023 347th Shanethegamer 🇺🇸 583 482 634ms 13 Apr 2025 348th emgordon154 581 211 1,860ms 19 Apr 2025 349th j-Ewan 580 223 11ms 3 Mar 2022 350th evan-schiewe 579 257 355ms 21 Nov 2021 351st MeWhenI 🇻🇦 579 439 1,647ms 20 days ago 352nd emgordon154 577 224 19ms 19 Apr 2025 353rd PatrickStephansen 🇿🇦 576 211 11ms 8 Oct 2020 354th hoodadam 575 225 10ms 11 Jun 2019 354th sambirnbaum1 575 225 16ms 13 Oct 2019 354th RYNO8 575 225 10ms 13 Dec 2021 357th MeWhenI 🇻🇦 574 189 4ms 28 Jan 2023 358th neel11235813 573 214 767ms 31 Mar 2024 359th pyrolitic 🇮🇪 570 227 12ms 6 Apr 2022 359th neel11235813 570 227 10ms 22 Feb 2023 361st voytxt 🇨🇿 568 214 9ms 20 Feb 2025 362nd MeWhenI 🇻🇦 568 330 3ms 10 Sep 2022 363rd alangodfrey 567 228 9ms 31 Jan 2019 364th wh3n3v3r 🇨🇿 565 229 9ms 18 Nov 2024 365th ydevor 🇮🇱 562 230 9ms 16 Feb 2021 365th andrewjc2000 562 230 10ms 16 Jul 2025 367th acotis 561 326 286ms 19 Mar 2025 368th KatieLG 🇬🇧 561 450 2ms 22 Apr 2025 369th janbehrens 🇩🇪 560 272 2,308ms 20 Nov 2022 370th nullshallot 558 205 224ms 7 Jan 2025 371st bastienvoirin 🇫🇷 558 232 11ms 5 Apr 2020 372nd janbehrens 🇩🇪 552 239 2ms 21 Mar 2022 373rd GrayJoKing 🇦🇺 552 474 2ms 14 Nov 2020 374th targrik 547 198 4ms 19 Mar 2025 375th billings7 🇬🇧 547 272 338ms 19 May 2024 First Prev 301–375 of 863 Next Last
