The Tower of Hanoi hole will go live in approximately 2 days. 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 526th primo-ppcg 🇹🇭 776 111 51ms 30 May 2025 527th itiievskyi 🇺🇦 775 78 13ms 28 Jul 2020 527th bastienvoirin 🇫🇷 775 78 9ms 30 Nov 2020 527th RDShah 775 78 11ms 15 Apr 2021 527th hellwue 775 78 9ms 25 Feb 2022 527th CedricGebistorf 775 78 9ms 12 Mar 2022 527th MaxElf999 775 78 11ms 23 Sep 2022 527th randolchance 775 78 10ms 5 Mar 2023 527th tobeannouncd 775 78 9ms 19 Sep 2023 527th logvp 775 78 9ms 27 Dec 2023 527th croc54 775 78 10ms 28 Nov 2024 537th m-tkach 🇺🇦 774 103 4ms 31 Jan 2024 538th DialFrost 🇸🇬 774 126 369ms 17 days ago 539th namcartoon06 772 161 2,285ms 30 Jun 2023 540th yzhs 🇩🇪 771 35 37ms 20 Aug 2020 540th ashtraypettingzoo 🇺🇸 771 35 36ms 17 Feb 2023 540th codereport 🇨🇦 771 35 34ms 1 Jun 2024 543rd JayXon 🇺🇸 771 55 390ms 9 Jan 2022 543rd MeWhenI 🇻🇦 771 55 53ms 16 Aug 2022 543rd anter69 🇭🇺 771 55 48ms 25 Jan 2023 543rd ovs-code 🇩🇪 771 55 40ms 22 Jan 2025 547th GrayJoKing 🇦🇺 771 73 5ms 16 Aug 2024 548th ovs-code 🇩🇪 770 155 251ms 21 Apr 2025 549th LucaArgentiUCF 🇮🇹 769 112 43ms 14 Feb 2021 549th SirBogman 🇺🇸 769 112 50ms 4 Nov 2024 551st CaedenHarper 🇨🇦 769 147 367ms 21 Oct 2025 552nd sean-niemann 🇺🇸 768 79 5ms 30 Oct 2022 553rd lacrosse 767 79 77ms 27 hours ago 554th Yewzir 🇧🇪 767 162 2,338ms 3 Feb 2023 555th alemelis 766 56 448ms 12 Apr 2023 555th m-tkach 🇺🇦 766 56 447ms 24 May 2024 557th emgordon154 766 194 263ms 18 Jan 2025 558th rak1507 🇬🇧 765 79 10ms 31 Dec 2020 558th hiddicop 🇸🇪 765 79 9ms 29 Jan 2021 558th kops-cg 765 79 9ms 6 Apr 2021 558th Frowny 765 79 9ms 11 Nov 2021 558th janbehrens 🇩🇪 765 79 10ms 17 Jun 2023 558th tobyLovick 765 79 10ms 26 Dec 2023 558th NickTheEASDude 🇺🇸 765 79 10ms 29 Jan 2024 565th Alessandro-Balconi 🇮🇹 764 79 85ms 15 Jul 2023 566th 5quiwyrm 762 74 245ms 9 Dec 2024 567th StarmaQ 762 99 3ms 22 Jan 2021 567th edsrzf 🇳🇿 762 99 2ms 30 May 2025 569th lynn 762 126 128ms 19 May 2021 570th msbranicky 762 195 263ms 31 Aug 2023 571st tomtheisen 🇺🇸 761 88 9ms 3 Oct 2020 571st targrik 761 88 586ms 13 May 2025 573rd DialFrost 🇸🇬 760 157 142ms 21 days ago 574th kkoenig 758 196 261ms 7 Sep 2025 575th prplz 🇦🇺 757 56 66ms 28 Jul 2020 575th primo-ppcg 🇹🇭 757 56 169ms 15 Sep 2020 577th 2bular 755 46 2ms 24 Jun 2025 578th TobyBoyne 🇬🇧 755 80 10ms 31 Dec 2020 578th BrenSchaap 755 80 9ms 21 Oct 2021 578th NicoAdams 755 80 10ms 1 Dec 2021 578th Jacob385 755 80 4,073ms 14 Mar 2024 578th Languag3 755 80 9ms 28 Feb 2025 583rd janbehrens 🇩🇪 755 93 4ms 29 Oct 2021 584th jared-hughes 753 165 2,320ms 24 Jun 2022 584th snyderek 🇺🇸 753 165 2,303ms 18 Dec 2024 586th JRaspass 🇬🇧 752 59 111ms 26 Jul 2020 587th ToriTheChicken 752 89 21ms 26 Jul 2020 587th thisishowmymindworks 🇳🇴 752 89 27ms 26 Jul 2020 587th prplz 🇦🇺 752 89 510ms 9 Oct 2021 590th anter69 🇭🇺 751 82 827ms 17 Sep 2024 590th Shanethegamer 🇺🇸 751 82 70ms 8 Dec 2024 590th edsrzf 🇳🇿 751 82 71ms 31 Jul 2025 593rd edsrzf 🇳🇿 751 163 354ms 26 Sep 2025 593rd CaedenHarper 🇨🇦 751 163 357ms 9 Oct 2025 595th saltysylvi 750 36 41ms 5 Aug 2022 596th emgordon154 750 130 385ms 21 days ago 597th rucin93 🇵🇱 749 77 1,141ms 3 Aug 2024 598th Dazza314 🇬🇧 746 81 14ms 3 Nov 2020 598th AkashTandon167 746 81 9ms 15 Nov 2020 598th cbondurant 746 81 12ms 10 May 2021 First Prev 526–600 of 1,830 Next Last