The Tower of Hanoi hole will go live in approximately 5 hours. Why not try and solve it ahead of time?
Prime Numbers (Long) 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 526th nwellnhof 🇩🇪 914 95 301ms 6 Dec 2021 526th JayXon 🇺🇸 914 95 305ms 22 Dec 2021 526th Lydxn 🇨🇦 914 95 303ms 3 Jul 2022 526th emplv 🇱🇻 914 95 304ms 28 Mar 2023 526th kkoenig 914 95 310ms 10 Sep 2025 531st Protothor 913 40 95ms 7 Jun 2025 532nd JayXon 🇺🇸 913 54 1,243ms 18 Apr 2024 532nd stefangimmillaro 913 54 189ms 18 Apr 2024 534th janbehrens 🇩🇪 912 47 199ms 6 Dec 2021 534th argusdusty 🇺🇸 912 47 191ms 21 Aug 2022 534th Skwerl23 912 47 193ms 6 Feb 2023 534th NoahBolohan 🇨🇦 912 47 197ms 14 Feb 2023 534th LostSyntax21 🇬🇧 912 47 195ms 24 Jul 2025 534th CheeseCake628 🇳🇴 912 47 126ms 16 Oct 2025 540th emgordon154 911 38 998ms 10 May 2025 541st GolfingSuccess 🇬🇷 911 43 488ms 15 Jan 2024 541st GrayJoKing 🇦🇺 911 43 425ms 15 Jan 2024 541st sisyphus-ppcg 🇦🇺 911 43 563ms 16 Jan 2024 541st ovs-code 🇩🇪 911 43 483ms 16 Jan 2024 541st rucin93 🇵🇱 911 43 471ms 16 Jan 2024 541st Shanethegamer 🇺🇸 911 43 605ms 17 Jan 2024 541st MeWhenI 🇻🇦 911 43 539ms 13 Jul 2024 541st CaedenHarper 🇨🇦 911 43 539ms 4 Oct 2024 541st emgordon154 911 43 559ms 20 Apr 2025 541st dokutan 911 43 548ms 30 Jun 2025 541st SirBogman 🇺🇸 911 43 506ms 12 Aug 2025 541st CornerMercury 🇬🇧 911 43 491ms 12 Oct 2025 553rd Lydxn 🇨🇦 911 54 266ms 10 Sep 2022 553rd MeWhenI 🇻🇦 911 54 248ms 10 Sep 2022 553rd inventshah 911 54 306ms 10 Sep 2022 553rd sisyphus-ppcg 🇦🇺 911 54 260ms 10 Sep 2022 553rd JayXon 🇺🇸 911 54 287ms 10 Sep 2022 553rd GrayJoKing 🇦🇺 911 54 266ms 11 Sep 2022 553rd btnlq 911 54 284ms 11 Sep 2022 553rd clockworknazo 911 54 298ms 14 Sep 2022 553rd Steffan153 🇫🇮 911 54 276ms 22 Jan 2023 553rd msbranicky 911 54 259ms 3 Oct 2023 553rd sean-niemann 🇺🇸 911 54 278ms 17 Dec 2023 553rd dokutan 911 54 266ms 5 Jul 2024 553rd DialFrost 🇸🇬 911 54 243ms 5 Nov 2024 553rd albanian-laundromat 911 54 266ms 4 Jul 2025 553rd fuzzylojik-golf 🇺🇸 911 54 277ms 18 Jul 2025 553rd snoozingnewt 🇺🇸 911 54 289ms 5 Oct 2025 569th MeWhenI 🇻🇦 910 31 343ms 5 Dec 2021 570th sean-niemann 🇺🇸 910 41 171ms 4 Aug 2024 570th Steffan153 🇫🇮 910 41 174ms 4 Aug 2024 572nd Lydxn 🇨🇦 910 46 275ms 22 Jan 2025 573rd JayXon 🇺🇸 910 58 158ms 14 Oct 2022 573rd Lydxn 🇨🇦 910 58 160ms 14 Oct 2022 573rd DialFrost 🇸🇬 910 58 146ms 16 days ago 576th antimon2 🇯🇵 909 35 1,250ms 6 Dec 2021 576th chubbc 909 35 1,228ms 30 Dec 2024 578th btnlq 908 53 171ms 14 Feb 2022 578th Lydxn 🇨🇦 908 53 174ms 14 Feb 2022 578th JayXon 🇺🇸 908 53 162ms 15 Feb 2022 578th IanUtley 908 53 160ms 3 Nov 2022 578th annaproxy 908 53 166ms 10 Jan 2023 583rd nwellnhof 🇩🇪 907 31 475ms 6 Dec 2021 583rd DialFrost 🇸🇬 907 31 466ms 10 Apr 2025 583rd sean-niemann 🇺🇸 907 31 383ms 10 Apr 2025 586th Shanethegamer 🇺🇸 907 58 26ms 18 Dec 2023 586th Steffan153 🇫🇮 907 58 29ms 19 Dec 2023 586th edsrzf 🇳🇿 907 58 31ms 30 Jan 2025 586th sean-niemann 🇺🇸 907 58 30ms 23 Jun 2025 586th kg583 🇺🇸 907 58 32ms 5 days ago 591st primo-ppcg 🇹🇭 906 37 174ms 5 Feb 2022 591st HPWiz 🇳🇿 906 37 92ms 3 May 2022 593rd Lydxn 🇨🇦 906 59 161ms 6 Dec 2021 593rd GrayJoKing 🇦🇺 906 59 159ms 6 Dec 2021 593rd JayXon 🇺🇸 906 59 159ms 22 Dec 2021 593rd Ripick 906 59 165ms 29 Jul 2022 593rd Steffan153 🇫🇮 906 59 157ms 14 Jan 2023 593rd MeWhenI 🇻🇦 906 59 160ms 4 Aug 2023 593rd sean-niemann 🇺🇸 906 59 160ms 17 Jun 2025 600th saito-ta 🇯🇵 905 46 3,007ms 13 Nov 2023 First Prev 526–600 of 2,913 Next Last