The Tower of Hanoi hole will go live in approximately 25 hours. Why not try and solve it ahead of time?
Sierpiński Triangle in Python 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 226th lrustand 486 111 9ms 16 Jan 2018 226th ydevor 🇮🇱 486 111 17ms 24 Nov 2020 226th cbondurant 486 111 10ms 1 Oct 2021 229th CatsAreFluffy 482 112 9ms 25 Jan 2023 230th ay2718 478 113 9ms 20 Aug 2019 230th dymowski 478 113 10ms 15 Jan 2020 232nd aalec 474 114 9ms 25 Apr 2024 233rd PFischbeck 470 115 10ms 26 Nov 2017 233rd mokymok 🇺🇸 470 115 9ms 23 Nov 2021 233rd Stockoh 🇫🇷 470 115 10ms 16 Nov 2024 236th adamnielson42 🇺🇸 466 116 9ms 11 Aug 2023 236th RedzGoose 🇦🇺 466 116 9ms 14 Oct 2024 238th robin-scragg 462 117 11ms 15 Jul 2025 239th CutSandstone 458 118 16ms 8 Jul 2024 240th Anonymousellama21 454 119 9ms 24 May 2022 240th roguh 🇬🇹 454 119 10ms 22 Feb 2024 242nd rowboat1 446 121 9ms 22 Jun 2022 243rd xbxbxb007 443 122 9ms 22 Jan 2024 244th TheZappie 435 124 9ms 6 Jul 2022 245th jiaminglimjm 🇲🇾 432 125 16ms 29 Nov 2019 245th jhpaques 🇫🇷 432 125 18ms 30 Jul 2022 245th mbittner20 432 125 9ms 6 Jul 2024 248th AforAmpere 429 126 10ms 7 Jun 2020 248th MiranDaniel 🇨🇿 429 126 10ms 30 Aug 2023 248th yuchuehw 429 126 9ms 30 Jan 2024 248th Flekay 🇩🇪 429 126 9ms 11 Jul 2025 252nd msrawson 425 127 9ms 30 Aug 2018 252nd garrisonhh 425 127 9ms 22 Nov 2020 252nd bthalheim 425 127 20ms 4 Aug 2022 255th ComputerKWasTaken 🇺🇸 422 128 10ms 1 Jun 2024 255th CyberTapir 422 128 9ms 6 Sep 2024 255th PickausernamePi 422 128 9ms 17 Dec 2024 255th ffelixm 422 128 9ms 1 Jun 2025 259th Trunksistor 🇫🇷 419 129 9ms 21 Apr 2022 260th lmeuser 415 130 10ms 2 Dec 2017 261st mizuzimu 412 131 10ms 22 Nov 2021 262nd bastienvoirin 🇫🇷 409 132 18ms 24 Apr 2020 262nd ehulinsky 🇺🇸 409 132 9ms 6 Nov 2021 264th Andre3582 406 133 9ms 29 Sep 2025 265th yokasuretsu 403 134 9ms 23 Apr 2018 266th Nikinator2704 400 135 10ms 31 Oct 2025 267th Awsute 394 137 9ms 20 Aug 2024 268th msbranicky 391 138 9ms 26 Jul 2023 269th Kasci 386 140 67ms 28 Dec 2021 270th twocatsinatrenchcoat 383 141 10ms 25 Nov 2022 270th voidgloom 383 141 16ms 23 Oct 2024 272nd LeftPathLane 380 142 10ms 28 Oct 2018 272nd fajost 380 142 9ms 26 Sep 2020 272nd simon-thornton_pace 380 142 9ms 11 Oct 2023 275th Re-Adventures 🇮🇳 378 143 9ms 25 Sep 2020 275th mcjo163 378 143 9ms 1 Oct 2022 277th brimstonetrader 372 145 9ms 10 Mar 2025 278th zoemarschner 362 149 9ms 16 May 2022 278th LukasFolwarczny 🇨🇿 362 149 9ms 15 Sep 2022 280th amishtal 360 150 9ms 5 Dec 2019 280th michelebastione 🇮🇹 360 150 9ms 19 Feb 2020 282nd feherd 353 153 9ms 4 Mar 2022 282nd MaxElf999 353 153 9ms 15 Dec 2022 284th rschwa6308 🇺🇸 342 158 9ms 2 Apr 2019 284th r-i-c-e 342 158 13ms 8 Jul 2023 284th NerdyMcNerd42 342 158 10ms 20 Jul 2024 287th wazawoo 335 161 9ms 23 Oct 2018 287th wrhm 335 161 16ms 14 Dec 2020 289th evanrittner 331 163 16ms 5 Jun 2021 290th Upload-and-View 🇺🇦 329 164 16ms 23 Jul 2025 291st eiburns 325 166 9ms 8 May 2023 291st Fanrco 325 166 9ms 31 Aug 2023 293rd myleopard 323 167 9ms 15 Oct 2021 294th Altrul 321 168 9ms 17 Dec 2020 295th tomh1012 316 171 9ms 5 Nov 2020 296th TobyBoyne 🇬🇧 312 173 9ms 1 Jun 2019 296th j3mak 312 173 9ms 17 Jan 2024 298th P-Quentin 🇫🇷 310 174 28ms 9 Aug 2022 299th alangodfrey 298 181 10ms 30 Jan 2019 299th jfallon1997 298 181 9ms 27 Sep 2024 First Prev 226–300 of 397 Next Last
