The Tower of Hanoi hole will go live in approximately 28 hours. Why not try and solve it ahead of time?
Leyland Numbers in all languages in chars. 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 Chars Time Submitted 751st albanian-laundromat 690 88 4ms 26 Sep 2025 752nd PatrickStephansen 🇿🇦 690 97 10ms 10 Sep 2020 752nd alasdair-greenland 690 97 11ms 19 Nov 2021 752nd nakatchi 690 97 9ms 27 Feb 2024 755th DialFrost 🇸🇬 690 139 117ms 19 days ago 756th Andriamanitra 🇫🇮 689 108 4ms 13 Jun 2024 757th CaedenHarper 🇨🇦 688 216 255ms 16 days ago 758th hjcafaroUC 687 88 10ms 26 Jul 2020 758th argusdusty 🇺🇸 687 88 9ms 27 Dec 2020 758th richard-oelze 🇩🇪 687 88 15ms 6 Feb 2021 758th fynnkroeger 687 88 16ms 8 Feb 2021 758th pengu1n-master 687 88 12ms 11 Oct 2021 758th mathisfun271 687 88 9ms 1 Nov 2021 758th petroselo 687 88 10ms 13 Apr 2022 758th dalamajama 687 88 4,388ms 17 Aug 2023 758th chartung17 687 88 9ms 14 Jan 2024 758th WillConker 687 88 9ms 10 Mar 2024 768th Shanethegamer 🇺🇸 687 116 2ms 2 Mar 2023 769th emgordon154 686 84 144ms 9 Aug 2024 770th JunkIce 685 84 570ms 3 Dec 2024 771st emgordon154 684 62 43ms 13 Nov 2021 771st jared-hughes 684 62 55ms 20 Sep 2022 773rd MeWhenI 🇻🇦 684 90 873ms 12 May 2023 774th janlelis 683 98 10ms 10 Feb 2021 774th nathanadams 🇳🇿 683 98 9ms 18 Aug 2021 774th weliveinhell 🇭🇹 683 98 10ms 23 Oct 2023 777th bac0id 683 182 2,358ms 11 Jan 2025 778th WhoisDavid 682 175 210ms 11 Oct 2020 779th arctouch-cristiannevianna 681 166 341ms 15 Jun 2023 780th Msleizak 🇫🇷 679 83 3,591ms 12 Dec 2023 780th snoozingnewt 🇺🇸 679 83 301ms 13 Oct 2025 782nd The3gs 679 89 9ms 29 Aug 2020 782nd geofft 679 89 9ms 11 Dec 2020 782nd b4dpxl 679 89 9ms 9 Nov 2021 782nd AbelPelser 679 89 20ms 3 Jul 2022 782nd TaserTheFox 🇺🇸 679 89 9ms 28 Feb 2023 782nd CheeseCake628 🇳🇴 679 89 9ms 6 Mar 2023 782nd ssbhatt4321 679 89 11ms 14 Oct 2023 789th Ripick 679 122 159ms 23 May 2025 790th astdefu 679 183 2,308ms 8 Dec 2022 791st vgamula 🇺🇦 678 114 8ms 26 Jan 2024 792nd roavin 677 167 387ms 24 Jun 2022 792nd Yewzir 🇧🇪 677 167 346ms 9 May 2023 794th daisy-lau 676 99 11ms 31 Jul 2020 794th didion0 🇺🇸 676 99 10ms 7 May 2021 794th inventshah 676 99 10ms 6 May 2022 794th LukeBridges 🇬🇧 676 99 10ms 24 Oct 2022 794th madeforlosers 676 99 10ms 6 Nov 2023 794th alexsave 676 99 9ms 29 Oct 2024 800th DialFrost 🇸🇬 676 118 3ms 13 Apr 2025 801st msbranicky 676 142 131ms 1 Jan 2024 802nd NewDefectus 🇮🇱 676 156 2ms 23 Jun 2021 803rd Yax42 🇫🇷 676 181 356ms 7 Oct 2025 804th saito-ta 🇯🇵 675 62 3ms 16 Aug 2024 805th RockOfStone 674 112 2ms 8 Nov 2021 806th jerrandolph 673 221 260ms 21 Oct 2023 806th dbut2 🇦🇺 673 221 255ms 18 Jul 2024 808th michelebastione 🇮🇹 672 90 9ms 24 Aug 2020 808th ArmaanAS 672 90 9ms 11 Mar 2021 808th cb597 672 90 10ms 23 Jul 2022 808th 0-4849 672 90 9ms 4 Nov 2022 808th namelessiw 672 90 9ms 9 Jul 2024 813th Shanethegamer 🇺🇸 672 168 94ms 17 Feb 2023 814th SirBogman 🇺🇸 670 100 9ms 29 Nov 2021 814th Giga-Bowser 670 100 12ms 3 Jan 2022 814th Andrey-Plotnikov 670 100 10ms 19 Aug 2023 814th coreynash 670 100 10ms 3 Nov 2023 814th KatieLG 🇬🇧 670 100 9ms 5 Oct 2025 819th msbranicky 670 119 5ms 8 Aug 2023 820th msbranicky 669 86 581ms 17 Jan 2024 821st DialFrost 🇸🇬 669 105 8ms 23 days ago 822nd Yewzir 🇧🇪 669 183 368ms 2 Oct 2025 823rd frosster 668 113 2ms 14 May 2023 824th Yewzir 🇧🇪 667 91 2ms 19 Dec 2024 825th Alex-x90 🇺🇸 667 158 2ms 10 Dec 2024 First Prev 751–825 of 1,833 Next Last