The Tower of Hanoi hole will go live in approximately 11 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 601st emgordon154 750 130 385ms 23 days ago 602nd Dazza314 🇬🇧 746 81 14ms 3 Nov 2020 602nd AkashTandon167 746 81 9ms 15 Nov 2020 602nd cbondurant 746 81 12ms 10 May 2021 602nd knutae 🇳🇴 746 81 9ms 6 Dec 2021 602nd CutSandstone 746 81 9ms 8 Jul 2024 602nd Pyroan 746 81 9ms 13 May 2025 602nd BrunoVisnadi 🇧🇷 746 81 10ms 20 Oct 2025 609th emgordon154 744 90 9ms 1 Aug 2024 610th nwellnhof 🇩🇪 743 57 41ms 28 Oct 2021 610th GrayJoKing 🇦🇺 743 57 61ms 30 Nov 2023 610th DialFrost 🇸🇬 743 57 162ms 1 Jun 2024 613th ovs-code 🇩🇪 743 104 10ms 11 Dec 2023 614th GrayJoKing 🇦🇺 743 156 40ms 4 Jan 2023 615th jtaxen 742 92 145ms 19 Jun 2024 616th janbehrens 🇩🇪 740 58 440ms 1 Nov 2021 616th Shanethegamer 🇺🇸 740 58 558ms 17 Feb 2023 618th retrohun 740 82 2ms 9 Nov 2022 619th scpchicken 🇵🇼 739 60 120ms 2 Feb 2022 620th DialFrost 🇸🇬 738 153 191ms 23 days ago 621st lukasthaler 737 82 11ms 11 Sep 2020 621st HumanEquivalentUnit 737 82 9ms 12 Oct 2020 621st stordev 737 82 616ms 26 Feb 2021 621st lemogne 737 82 9ms 10 Aug 2021 621st j-Ewan 737 82 13ms 11 Mar 2022 621st TheoKeller1 737 82 16ms 6 Jun 2023 621st Andriamanitra 🇫🇮 737 82 9ms 26 Jul 2023 621st dirckvdende 737 82 9ms 21 Jul 2025 629th cywong-amino 🇭🇰 736 91 9ms 30 Jul 2020 629th Shanethegamer 🇺🇸 736 91 10ms 10 Mar 2022 629th dmrichwa 🇺🇸 736 91 10ms 4 Oct 2022 632nd MeWhenI 🇻🇦 736 105 10ms 9 May 2024 633rd Irratix 🇳🇱 734 93 172ms 1 Nov 2021 634th GrayJoKing 🇦🇺 734 150 4ms 11 days ago 635th GrayJoKing 🇦🇺 733 133 465ms 6 Jun 2022 636th Shanethegamer 🇺🇸 733 158 31ms 20 Sep 2023 637th MeWhenI 🇻🇦 732 77 206ms 29 Jan 2023 638th olivermrose 🇺🇸 731 58 40ms 3 Oct 2021 638th stefangimmillaro 731 58 42ms 27 Oct 2021 638th SirBogman 🇺🇸 731 58 39ms 8 Jun 2022 638th sisyphus-ppcg 🇦🇺 731 58 38ms 11 Jul 2022 638th tatzyr 🇯🇵 731 58 43ms 24 Nov 2024 638th KatieLG 🇬🇧 731 58 41ms 2 Oct 2025 644th snoozingnewt 🇺🇸 731 77 5ms 13 Oct 2025 645th KrausRaus 🇺🇸 731 96 10ms 21 Dec 2021 646th annaproxy 730 155 355ms 1 Apr 2022 646th snoozingnewt 🇺🇸 730 155 401ms 13 Oct 2025 648th bstrautin 728 83 10ms 27 Jul 2020 648th neihousaigaai 728 83 9ms 8 May 2021 648th commandblockguy 🇺🇸 728 83 13ms 5 Sep 2022 648th glesnick 728 83 10ms 12 Oct 2022 648th AbhilashaTandon 728 83 9ms 23 Nov 2022 648th badboj40 728 83 9ms 27 Dec 2022 648th Just4FunCoder 728 83 16ms 22 Mar 2023 648th cingulataluke 728 83 12ms 28 Aug 2023 648th levavft 728 83 13ms 26 Oct 2023 648th Anonymousellama21 728 83 9ms 9 Aug 2024 648th Andre3582 728 83 9ms 10 Oct 2025 659th KrausRaus 🇺🇸 728 92 9ms 12 Nov 2020 659th SadiinsoSnowfall 🇫🇷 728 92 9ms 19 Feb 2024 661st Andriamanitra 🇫🇮 727 59 442ms 26 Jul 2023 662nd NewDefectus 🇮🇱 726 129 147ms 18 Feb 2021 663rd jared-hughes 725 104 17ms 27 Nov 2021 664th inventshah 725 110 3ms 12 Sep 2022 665th perlebach 🇨🇿 724 143 2,881ms 10 Jun 2025 666th Aurel300 🇨🇭 723 165 214ms 20 Jun 2024 667th gjoacorp 🇬🇧 723 172 2,333ms 4 Aug 2025 668th Indivicivet 720 84 18ms 17 Oct 2021 668th Nigel-C 720 84 10ms 30 May 2022 668th OhmNomNom 720 84 9ms 14 Oct 2022 668th betaveros 720 84 10ms 31 Dec 2022 672nd BBoehm 🇩🇪 720 93 9ms 18 Feb 2021 672nd helbling 🇨🇭 720 93 10ms 29 May 2024 674th tomh1012 720 157 356ms 5 Sep 2025 675th Jacob385 719 80 3,870ms 9 Apr 2024 First Prev 601–675 of 1,834 Next Last