The Tower of Hanoi hole will go live in approximately 44 hours. Why not try and solve it ahead of time?
Leyland Numbers 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 601st hiddicop 🇸🇪 797 59 47ms 29 Jan 2021 601st BREMAUCY 🇫🇷 797 59 42ms 21 May 2023 601st SirBogman 🇺🇸 797 59 38ms 10 Jan 2024 601st Natanaelel 🇸🇪 797 59 40ms 15 Jan 2024 601st snoozingnewt 🇺🇸 797 59 35ms 2 Oct 2025 606th Alex-x90 🇺🇸 797 156 2,304ms 8 Aug 2023 607th detrumi 🇳🇱 796 150 209ms 21 Oct 2020 608th rvdnieuwendijk 🇳🇱 795 71 1,916ms 30 Jul 2020 609th HumanEquivalentUnit 795 95 16ms 16 Jan 2022 610th orthoplex 🇨🇽 795 122 3ms 25 Jun 2023 611th Yewzir 🇧🇪 795 248 1,633ms 14 days ago 612th SirBogman 🇺🇸 794 260 11ms 23 Nov 2022 613th SirBogman 🇺🇸 792 44 3ms 30 Nov 2022 614th inventshah 792 157 2,276ms 15 Jun 2022 615th albanian-laundromat 791 101 4ms 6 Sep 2025 616th michelebastione 🇮🇹 789 90 9ms 24 Aug 2020 616th ArmaanAS 789 90 9ms 11 Mar 2021 616th cb597 789 90 10ms 23 Jul 2022 616th 0-4849 789 90 9ms 4 Nov 2022 616th namelessiw 789 90 9ms 9 Jul 2024 621st btnlq 789 123 2ms 20 Mar 2021 622nd Steffan153 🇫🇮 789 147 32ms 29 Aug 2024 623rd emgordon154 789 250 1,568ms 16 Sep 2025 624th Ethernet3 🇳🇱 787 158 2,324ms 11 Mar 2022 625th primo-ppcg 🇹🇭 787 175 86ms 25 Jun 2022 626th DialFrost 🇸🇬 787 260 434ms 3 Mar 2025 627th bac0id 786 144 343ms 30 Jun 2024 628th chordowl 786 152 226ms 17 Mar 2021 629th scpchicken 🇵🇼 785 60 120ms 2 Feb 2022 630th ReidZ3 🇺🇸 785 87 140ms 5 Dec 2020 630th Z-snails 785 87 176ms 2 Mar 2023 632nd Apataras 785 156 363ms 7 Oct 2025 632nd kmathis22 785 156 346ms 15 Oct 2025 634th lynn 784 148 30ms 17 Oct 2023 635th Andriamanitra 🇫🇮 783 60 52ms 26 Jul 2023 635th olleicua 🇺🇸 783 60 41ms 23 Apr 2025 637th JunkIce 783 84 570ms 3 Dec 2024 638th pschmid0 🇺🇸 782 90 4ms 7 Aug 2022 639th ovs-code 🇩🇪 781 79 1,010ms 8 Oct 2023 640th sean-niemann 🇺🇸 781 125 473ms 20 Sep 2025 641st rifatx 781 145 379ms 9 Jul 2024 642nd stefangimmillaro 781 153 3,340ms 17 Oct 2023 642nd inverseLorentz 🇦🇺 781 153 219ms 22 Apr 2024 644th marcin7Cd 780 91 9ms 11 Dec 2020 644th schachmattmatt 780 91 11ms 2 Oct 2021 644th amollberg 🇸🇪 780 91 9ms 15 Jan 2022 644th Bonjour27891 🇻🇳 780 91 9ms 4 Mar 2022 644th nstearns96 🇬🇧 780 91 20ms 29 Nov 2022 644th AlexanderFair 780 91 10ms 11 Jul 2023 644th adamnielson42 🇺🇸 780 91 9ms 22 Aug 2023 644th jhu04 780 91 10ms 18 Jan 2024 644th Lv0Sys 🇵🇱 780 91 9ms 22 Jun 2025 644th jacekwladzinski 780 91 9ms 4 Oct 2025 654th MeWhenI 🇻🇦 779 86 12ms 1 Jul 2023 655th prplz 🇦🇺 779 149 30ms 3 Oct 2023 656th primo-ppcg 🇹🇭 778 111 51ms 30 May 2025 657th armin-k1 777 72 3ms 9 Sep 2021 657th scpchicken 🇵🇼 777 72 7ms 15 Dec 2022 659th m-tkach 🇺🇦 775 103 4ms 31 Jan 2024 660th DialFrost 🇸🇬 775 126 369ms 18 days ago 661st janbehrens 🇩🇪 773 58 440ms 1 Nov 2021 661st alemelis 773 58 448ms 12 Apr 2023 661st m-tkach 🇺🇦 773 58 447ms 24 May 2024 664th GrayJoKing 🇦🇺 773 73 5ms 16 Aug 2024 665th namcartoon06 773 161 2,285ms 30 Jun 2023 666th mstang107 772 92 15ms 20 Dec 2023 666th jameswmccarty 772 92 10ms 11 Jul 2024 666th PyryL 🇫🇮 772 92 9ms 22 Aug 2024 666th JesseNoEyes 🇺🇸 772 92 10ms 17 Nov 2024 670th LucaArgentiUCF 🇮🇹 771 112 43ms 14 Feb 2021 670th SirBogman 🇺🇸 771 112 50ms 4 Nov 2024 672nd ovs-code 🇩🇪 771 155 251ms 21 Apr 2025 673rd akshatj27 🇦🇶 770 61 40ms 11 Jan 2022 673rd orthoplex 🇨🇽 770 61 43ms 1 Apr 2022 673rd OhmNomNom 770 61 46ms 14 Oct 2022 First Prev 601–675 of 1,848 Next Last