The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Diamonds in Python 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 225th 77Tigers 573 117 10ms 28 Feb 2021 225th juan-cazalvilla 573 117 10ms 1 Aug 2022 225th georgehulme 573 117 11ms 7 Oct 2022 225th adamnielson42 🇺🇸 573 117 14ms 30 Jan 2025 225th CommandLeo 🇮🇹 573 117 9ms 13 days ago 231st JVerwolf 568 118 9ms 24 Aug 2021 231st PaulMWeiser 568 118 9ms 28 Feb 2023 231st PickausernamePi 568 118 9ms 28 Sep 2023 234th zdzc 563 119 9ms 25 Apr 2019 234th lukasthaler 563 119 10ms 11 Sep 2020 234th cefqrn 563 119 9ms 20 Dec 2022 234th sjrct 563 119 9ms 5 Aug 2024 234th Andrey2001 563 119 10ms 3 days ago 239th ludwig-n 558 120 10ms 4 Apr 2020 239th andre-lameirinhas 🇵🇹 558 120 16ms 4 Nov 2020 239th Bobini1 🇵🇱 558 120 10ms 10 Feb 2022 239th julian-hoelz 558 120 9ms 21 Sep 2024 239th sciencedjinn 558 120 9ms 8 Nov 2024 239th keelimeguy 🇺🇸 558 120 10ms 6 May 2025 245th dymowski 554 121 9ms 10 Sep 2019 245th matty3 554 121 11ms 26 Aug 2021 245th LeeCamp 554 121 9ms 20 Dec 2021 245th OppositeShark 554 121 9ms 19 Jul 2022 245th Wildst 554 121 10ms 2 Nov 2022 245th jacksonhenry3 554 121 10ms 2 Dec 2022 245th Vaekor 554 121 9ms 27 Feb 2024 245th aaa123git 554 121 10ms 17 Jul 2024 253rd TheAristos 549 122 9ms 21 Oct 2019 253rd danielwang5 549 122 12ms 1 Aug 2020 253rd lostMia 549 122 10ms 17 Jun 2023 253rd mateusz-sterczewski 549 122 10ms 7 Nov 2024 253rd qwertzguy 🇫🇷 549 122 10ms 25 Mar 2025 253rd Code-Coder-coder 549 122 11ms 11 Oct 2025 259th Malin001 545 123 9ms 4 Jan 2020 259th argusdusty 🇺🇸 545 123 13ms 31 Dec 2020 259th myleopard 545 123 11ms 13 Oct 2021 259th nullie 545 123 9ms 7 Jun 2022 259th RandGuy 545 123 9ms 22 Nov 2022 259th jeff-at-tamer-dot-codes 🇺🇸 545 123 9ms 6 Jun 2023 259th lelbal 545 123 10ms 7 hours ago 266th fynnkroeger 540 124 9ms 22 Jan 2021 266th NicoAdams 540 124 9ms 21 Dec 2021 266th nstearns96 🇬🇧 540 124 9ms 12 Jan 2023 266th aalec 540 124 9ms 21 Apr 2024 266th Alban-Boissard 540 124 9ms 14 Jun 2025 271st guliyevemil1 🇦🇿 536 125 9ms 30 Jan 2021 271st martinnorling 🇸🇪 536 125 10ms 14 Feb 2022 271st mrxz 🇳🇱 536 125 9ms 23 Jun 2024 271st RedzGoose 🇦🇺 536 125 9ms 14 Oct 2024 271st wh3n3v3r 🇨🇿 536 125 9ms 13 Nov 2024 271st ffelixm 536 125 9ms 1 Jun 2025 277th ValdeQwerty 532 126 11ms 10 Jun 2020 277th bryan15 532 126 10ms 26 Aug 2021 277th bthalheim 532 126 10ms 8 Sep 2022 277th MaxElf999 532 126 9ms 27 Sep 2022 277th quarl 532 126 10ms 12 Nov 2024 277th JunkIce 532 126 9ms 19 Jan 2025 283rd celynw 528 127 9ms 4 Aug 2020 283rd krcs 🇵🇱 528 127 9ms 25 Dec 2021 283rd jm600 528 127 11ms 15 Apr 2022 283rd msbranicky 528 127 10ms 5 Jul 2023 287th PFischbeck 523 128 9ms 13 Jun 2018 287th mossprescott 523 128 9ms 10 Jan 2023 287th Player01osu 523 128 10ms 29 Oct 2023 287th jatloe 523 128 10ms 26 Aug 2024 291st midnattssol 🇸🇪 519 129 9ms 27 Jul 2023 291st smokestacklightnin 🇺🇸 519 129 10ms 17 Dec 2023 293rd 130N35 515 130 10ms 28 Jan 2020 293rd PhysicDev 🇫🇷 515 130 10ms 19 May 2021 293rd mbittner20 515 130 10ms 27 May 2023 293rd audrey314 515 130 9ms 29 Oct 2023 293rd ValentinCassayre 515 130 14ms 27 Jul 2024 298th MichaelMBradley 🇨🇦 511 131 10ms 3 Apr 2022 298th moustave 511 131 10ms 3 Dec 2024 300th thisishowmymindworks 🇳🇴 508 132 9ms 16 Oct 2020 First Prev 226–300 of 581 Next Last
