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 450th DrakeSeteraO 462 280 10ms 17 days ago 452nd dokutan 462 372 3ms 29 Apr 2025 453rd elgan65536 462 396 202ms 6 Mar 2024 454th bstrautin 455 251 236ms 5 Jun 2020 455th skps2010 454 285 17ms 28 Dec 2018 455th amollberg 🇸🇪 454 285 16ms 15 Jan 2022 457th wh3n3v3r 🇨🇿 453 268 9ms 11 Nov 2024 458th Schmitt-Very-Cool 453 310 385ms 3 Oct 2025 459th dtbao20 🇻🇳 451 287 10ms 1 Oct 2024 459th Emutis 🇱🇹 451 287 10ms 13 days ago 461st arctouch-cristiannevianna 448 332 349ms 1 Mar 2024 462nd MarcMush 🇫🇷 447 206 1,255ms 4 Feb 2024 463rd olleicua 🇺🇸 445 228 36ms 28 May 2024 464th davecame 445 291 9ms 15 Mar 2024 465th Waffle3z 445 339 1ms 22 Oct 2020 466th karhuthebear 443 292 9ms 5 May 2022 467th tatzyr 🇯🇵 440 231 37ms 24 Feb 2025 468th janAkali 🇷🇺 439 391 368ms 2 Jun 2025 469th yokasuretsu 438 232 40ms 26 Apr 2018 470th petar-donchev 437 296 9ms 8 Sep 2019 470th JVerwolf 437 296 14ms 26 Aug 2021 472nd c0d3-4-F00d 🇩🇪 437 302 2ms 11 Feb 2022 473rd SniperSmiley 🇺🇸 434 298 9ms 4 Jul 2022 474th dokutan 434 347 2ms 17 Apr 2024 475th yokasuretsu 433 235 136ms 28 Jun 2018 476th MeWhenI 🇻🇦 431 354 925ms 30 Oct 2023 477th msrawson 428 302 10ms 2 Sep 2018 477th Bonjour27891 🇻🇳 428 302 10ms 13 Mar 2022 479th kaascevich 428 373 357ms 14 Sep 2025 480th JRaspass 🇬🇧 427 264 3ms 5 Sep 2021 481st BenBanerjeeRichards 425 304 13ms 12 Nov 2021 482nd LorenzoTa 423 267 3ms 27 Apr 2019 483rd hyvyys 423 287 10ms 18 Sep 2020 484th fgrosshans 🇫🇷 423 306 9ms 9 May 2023 485th snoozingnewt 🇺🇸 420 334 399ms 24 days ago 486th AlexDaniel 🇪🇪 419 243 114ms 13 Mar 2018 487th hamhub7 418 356 374ms 18 Aug 2022 488th eiburns 416 311 9ms 25 Aug 2023 489th rvdnieuwendijk 🇳🇱 414 276 264ms 29 Jun 2020 490th robymus 413 246 36ms 18 Sep 2018 491st ericlangedijk 🇸🇮 411 362 352ms 19 Mar 2022 492nd nephila-nacrea 🇬🇧 410 275 3ms 21 Mar 2018 493rd proton 🇩🇪 408 249 44ms 9 Jun 2020 494th patbassing 405 319 10ms 8 Jul 2019 494th dymowski 405 319 10ms 3 Jan 2020 496th lukechampine 404 476 290ms 19 Apr 2020 497th CarsonChr 🇺🇸 402 370 376ms 21 Jan 2025 498th graft 401 253 37ms 10 Mar 2018 499th jerrandolph 401 480 259ms 21 Apr 2020 500th Yewzir 🇧🇪 400 413 2ms 18 Oct 2023 501st mathisfun271 399 324 10ms 19 Feb 2024 502nd vibdev 397 306 10ms 26 Aug 2021 503rd NicoAdams 397 326 10ms 30 Dec 2021 504th labster 396 285 3ms 25 Feb 2018 505th edre 393 329 9ms 30 Apr 2018 506th relet 392 330 15ms 9 Aug 2018 506th TobyBoyne 🇬🇧 392 330 9ms 15 Apr 2022 506th neihousaigaai 392 330 10ms 14 Feb 2024 509th mizuzimu 391 331 9ms 16 Mar 2021 510th LeeCamp 390 332 16ms 25 Dec 2021 511th IISResetMe 389 294 247ms 24 Feb 2024 512th albanian-laundromat 386 335 11ms 3 Apr 2025 513th kurkale6ka 385 336 14ms 28 Dec 2023 514th juliansiebert 🇩🇪 384 298 293ms 20 Jan 2023 515th zdzc 384 337 10ms 1 Apr 2018 516th yuchuehw 384 366 346ms 4 Jan 2024 517th masinag 🇮🇹 383 345 2ms 5 Nov 2024 518th TheDrawingCoder-Gamer 383 393 2ms 6 Jul 2025 519th dylanarmstrong 382 318 10ms 15 Sep 2024 520th bac0id 381 390 368ms 4 Jul 2024 521st tpaxman 🇨🇦 380 340 10ms 17 Dec 2020 521st OllieBoyne 🇬🇧 380 340 9ms 14 Apr 2022 523rd MeWhenI 🇻🇦 380 740 746ms 9 Feb 2025 524th mcreenan 378 269 116ms 16 Jun 2018 525th dokutan 378 744 765ms 12 Jan 2025 First Prev 451–525 of 863 Next Last
