The Tower of Hanoi hole will go live in approximately 32 hours. Why not try and solve it ahead of time?
Set 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 UnderKoen 🇳🇱 775 326 1,067ms 26 Mar 2025 227th FEZfan 🇦🇺 774 124 596ms 26 Apr 2025 228th edsrzf 🇳🇿 774 175 156ms 18 Apr 2025 229th canissimia 🇦🇶 772 374 89ms 11 Apr 2025 230th stefangimmillaro 771 208 453ms 6 Oct 2025 231st error256 770 101 862ms 24 Apr 2025 232nd moustave 770 145 30ms 16 Apr 2025 232nd za3k 770 145 31ms 17 Apr 2025 234th emgordon154 770 201 220ms 4 Jun 2025 235th snoozingnewt 🇺🇸 768 125 371ms 9 days ago 236th 2bular 767 43 183ms 1 Apr 2025 237th edsrzf 🇳🇿 767 209 453ms 24 Sep 2025 238th keelimeguy 🇺🇸 765 146 40ms 7 May 2025 238th FlorianCassayre 🇫🇷 765 146 30ms 5 Aug 2025 240th DialFrost 🇸🇬 762 126 649ms 18 Feb 2025 241st FEZfan 🇦🇺 760 167 404ms 21 Apr 2025 242nd edsrzf 🇳🇿 759 131 26ms 21 Apr 2025 243rd saito-ta 🇯🇵 759 167 2ms 31 Mar 2025 244th acotis 759 204 309ms 3 Jun 2025 245th MeWhenI 🇻🇦 756 127 486ms 25 Jun 2025 246th Bmrl7 755 148 26ms 30 Aug 2025 247th Yax42 🇫🇷 754 159 393ms 15 Apr 2025 248th keelimeguy 🇺🇸 751 239 262ms 27 Apr 2025 249th SirBogman 🇺🇸 750 44 73ms 26 Mar 2025 250th sean-niemann 🇺🇸 749 170 145ms 21 Apr 2025 251st error256 746 170 127ms 24 Apr 2025 252nd Andriamanitra 🇫🇮 740 151 29ms 29 Mar 2025 252nd rucin93 🇵🇱 740 151 24ms 15 Apr 2025 254th Shanethegamer 🇺🇸 736 157 83ms 27 Mar 2025 255th edsrzf 🇳🇿 735 133 48ms 11 Apr 2025 256th klixel 🇨🇦 735 152 329ms 5 Apr 2025 257th ovs-code 🇩🇪 733 173 3ms 31 Mar 2025 258th Shanethegamer 🇺🇸 732 155 785ms 29 Mar 2025 259th error256 731 182 253ms 27 Apr 2025 260th dokutan 730 153 24ms 28 Mar 2025 261st stefangimmillaro 730 212 250ms 4 Jun 2025 262nd SirBogman 🇺🇸 727 92 67ms 19 Jul 2025 263rd DialFrost 🇸🇬 725 114 921ms 23 Jun 2025 264th Salutations45 725 139 78ms 12 Apr 2025 265th aksyristos 725 154 25ms 21 Mar 2025 266th pardouin 🇫🇷 725 175 133ms 4 Apr 2025 267th ovs-code 🇩🇪 725 193 59ms 30 Mar 2025 268th DialFrost 🇸🇬 724 240 749ms 15 Jul 2025 269th edsrzf 🇳🇿 722 166 400ms 2 Jun 2025 270th mousetail 🇳🇱 721 106 1,591ms 1 Apr 2025 271st albanian-laundromat 720 123 993ms 26 days ago 272nd Mukundan314 720 176 10ms 5 days ago 273rd Mukundan314 718 195 59ms 28 Apr 2025 273rd snyderek 🇺🇸 718 195 55ms 3 May 2025 275th edsrzf 🇳🇿 717 216 236ms 2 Apr 2025 276th JunkIce 716 134 664ms 9 Jul 2025 277th CaedenHarper 🇨🇦 716 251 241ms 18 days ago 278th emgordon154 715 142 3,128ms 31 May 2025 279th Shanethegamer 🇺🇸 712 109 914ms 27 Mar 2025 280th FortuiteMan 🇫🇷 712 157 18ms 20 Jun 2025 281st edsrzf 🇳🇿 709 160 632ms 27 Apr 2025 282nd AdrienHache 🇫🇷 709 169 385ms 12 Aug 2025 283rd tailorspy 707 198 58ms 5 May 2025 284th stefangimmillaro 707 254 281ms 9 May 2025 285th CaedenHarper 🇨🇦 706 136 990ms 4 Apr 2025 286th Shanethegamer 🇺🇸 706 152 44ms 6 Apr 2025 287th olleicua 🇺🇸 705 95 61ms 22 Apr 2025 288th calebaitken 703 159 23ms 10 Apr 2025 289th edsrzf 🇳🇿 701 145 3,850ms 21 Apr 2025 290th ovs-code 🇩🇪 700 172 219ms 4 Apr 2025 291st duckyluuk 🇳🇱 698 137 283ms 15 Apr 2025 292nd jameswmccarty 698 160 17ms 27 Mar 2025 293rd emgordon154 697 96 60ms 27 Mar 2025 294th error256 697 177 581ms 24 Apr 2025 295th Andriamanitra 🇫🇮 697 180 196ms 29 Mar 2025 296th emgordon154 695 60 1,845ms 14 days ago 297th Shanethegamer 🇺🇸 690 97 64ms 13 Feb 2025 298th stefangimmillaro 689 174 402ms 4 Jun 2025 299th DialFrost 🇸🇬 682 114 301ms 24 Jun 2025 300th SirBogman 🇺🇸 680 145 3,496ms 5 Jul 2025 First Prev 226–300 of 449 Next Last