The Tower of Hanoi hole will go live in approximately 14 hours. Why not try and solve it ahead of time?
Pernicious 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 362nd annaproxy 938 55 325ms 8 Jan 2023 362nd DialFrost 🇸🇬 938 55 327ms 12 Jan 2023 362nd Shanethegamer 🇺🇸 938 55 313ms 6 Feb 2023 362nd btnlq 938 55 319ms 10 Mar 2023 362nd namelessiw 938 55 316ms 22 Jul 2023 362nd Yewzir 🇧🇪 938 55 325ms 11 Oct 2023 362nd AdrienHache 🇫🇷 938 55 330ms 21 Oct 2023 362nd Betuaredead 938 55 327ms 11 Nov 2023 362nd pardouin 🇫🇷 938 55 329ms 18 Aug 2024 362nd voytxt 🇨🇿 938 55 329ms 19 Jan 2025 362nd b-illy 🇬🇧 938 55 325ms 21 Jan 2025 362nd fuzzylojik-golf 🇺🇸 938 55 349ms 29 May 2025 362nd Yax42 🇫🇷 938 55 334ms 31 May 2025 362nd edsrzf 🇳🇿 938 55 316ms 22 Jul 2025 362nd CaedenHarper 🇨🇦 938 55 345ms 4 Sep 2025 362nd snoozingnewt 🇺🇸 938 55 329ms 20 Oct 2025 392nd GrayJoKing 🇦🇺 937 33 3ms 20 May 2021 392nd primo-ppcg 🇹🇭 937 33 4ms 20 May 2021 392nd Lydxn 🇨🇦 937 33 3ms 29 May 2022 395th JayXon 🇺🇸 936 38 81ms 27 Sep 2021 395th Lydxn 🇨🇦 936 38 84ms 27 Sep 2021 395th stefangimmillaro 936 38 82ms 4 Nov 2022 395th MeWhenI 🇻🇦 936 38 83ms 5 Nov 2022 395th Shanethegamer 🇺🇸 936 38 79ms 6 Feb 2023 395th DialFrost 🇸🇬 936 38 80ms 6 Feb 2023 395th Steffan153 🇫🇮 936 38 78ms 7 Feb 2023 395th sean-niemann 🇺🇸 936 38 82ms 7 Feb 2023 395th ovs-code 🇩🇪 936 38 84ms 17 Jul 2023 395th Yewzir 🇧🇪 936 38 81ms 11 Oct 2023 395th Betuaredead 936 38 86ms 11 Nov 2023 395th dokutan 936 38 80ms 28 Jul 2024 395th pardouin 🇫🇷 936 38 81ms 20 Aug 2024 395th primo-ppcg 🇹🇭 936 38 84ms 12 Apr 2025 395th edsrzf 🇳🇿 936 38 83ms 22 Jul 2025 395th fuzzylojik-golf 🇺🇸 936 38 85ms 7 Aug 2025 395th snoozingnewt 🇺🇸 936 38 83ms 20 Oct 2025 412th henkma 934 51 129ms 26 Jun 2020 412th lynn 934 51 174ms 8 Oct 2021 414th prplz 🇦🇺 934 55 120ms 13 Jan 2022 414th GrayJoKing 🇦🇺 934 55 120ms 13 Jan 2022 414th JayXon 🇺🇸 934 55 117ms 13 Jan 2022 414th Lydxn 🇨🇦 934 55 119ms 13 Jan 2022 414th primo-ppcg 🇹🇭 934 55 117ms 14 Jan 2022 414th lynn 934 55 122ms 10 Mar 2022 414th inventshah 934 55 121ms 15 Jun 2022 414th sisyphus-ppcg 🇦🇺 934 55 120ms 8 Aug 2022 414th sean-niemann 🇺🇸 934 55 122ms 3 Nov 2022 414th stefangimmillaro 934 55 119ms 4 Nov 2022 414th andersk 🇺🇸 934 55 121ms 5 Nov 2022 414th MeWhenI 🇻🇦 934 55 123ms 6 Nov 2022 414th Steffan153 🇫🇮 934 55 121ms 27 Nov 2022 414th DialFrost 🇸🇬 934 55 138ms 12 Jan 2023 414th rucin93 🇵🇱 934 55 121ms 19 Jan 2023 414th Shanethegamer 🇺🇸 934 55 121ms 6 Feb 2023 414th ovs-code 🇩🇪 934 55 117ms 17 Jul 2023 414th Yewzir 🇧🇪 934 55 120ms 11 Oct 2023 414th Betuaredead 934 55 122ms 11 Nov 2023 414th dokutan 934 55 122ms 27 Mar 2024 414th pardouin 🇫🇷 934 55 120ms 19 Aug 2024 414th acotis 934 55 127ms 4 Feb 2025 414th emgordon154 934 55 123ms 19 Mar 2025 414th fuzzylojik-golf 🇺🇸 934 55 117ms 17 Jun 2025 414th edsrzf 🇳🇿 934 55 130ms 22 Jul 2025 414th kumavale 934 55 119ms 26 Aug 2025 414th snoozingnewt 🇺🇸 934 55 122ms 20 Oct 2025 441st rak1507 🇬🇧 933 18 2ms 11 Mar 2022 441st lynn 933 18 2ms 27 May 2022 441st Steffan153 🇫🇮 933 18 2ms 22 Feb 2023 441st pardouin 🇫🇷 933 18 2ms 16 Apr 2025 445th NewDefectus 🇮🇱 933 29 44ms 8 May 2021 445th akshatj27 🇦🇶 933 29 34ms 11 Jan 2022 445th m-tkach 🇺🇦 933 29 36ms 23 Nov 2022 445th Steffan153 🇫🇮 933 29 37ms 1 Jan 2023 445th DialFrost 🇸🇬 933 29 33ms 13 Jan 2023 445th sean-niemann 🇺🇸 933 29 31ms 29 Jan 2023 First Prev 376–450 of 3,232 Next Last