The Tower of Hanoi hole will go live in approximately 19 hours. Why not try and solve it ahead of time?
Sierpiński Triangle 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 226th CatsAreFluffy 500 114 9ms 25 Jan 2023 227th ay2718 496 115 9ms 20 Aug 2019 228th jacklynnepenick 491 116 9ms 26 Aug 2021 228th aalec 491 116 9ms 25 Apr 2024 230th PFischbeck 487 117 10ms 26 Nov 2017 230th dymowski 487 117 10ms 15 Jan 2020 230th mokymok 🇺🇸 487 117 9ms 23 Nov 2021 230th Stockoh 🇫🇷 487 117 10ms 16 Nov 2024 234th RedzGoose 🇦🇺 483 118 9ms 14 Oct 2024 235th CutSandstone 475 120 16ms 8 Jul 2024 236th Anonymousellama21 471 121 9ms 24 May 2022 236th roguh 🇬🇹 471 121 10ms 22 Feb 2024 238th adamnielson42 🇺🇸 460 124 9ms 11 Aug 2023 238th xbxbxb007 460 124 9ms 22 Jan 2024 240th TheZappie 452 126 9ms 6 Jul 2022 241st jiaminglimjm 🇲🇾 449 127 16ms 29 Nov 2019 241st jhpaques 🇫🇷 449 127 18ms 30 Jul 2022 241st mbittner20 449 127 9ms 6 Jul 2024 244th MiranDaniel 🇨🇿 445 128 10ms 30 Aug 2023 244th yuchuehw 445 128 9ms 30 Jan 2024 244th Flekay 🇩🇪 445 128 9ms 11 Jul 2025 247th garrisonhh 442 129 9ms 22 Nov 2020 247th rowboat1 442 129 9ms 22 Jun 2022 247th bthalheim 442 129 20ms 4 Aug 2022 250th AforAmpere 438 130 10ms 21 Feb 2021 250th ComputerKWasTaken 🇺🇸 438 130 10ms 1 Jun 2024 250th CyberTapir 438 130 9ms 6 Sep 2024 250th PickausernamePi 438 130 9ms 17 Dec 2024 250th ffelixm 438 130 9ms 1 Jun 2025 255th Trunksistor 🇫🇷 435 131 9ms 21 Apr 2022 256th lmeuser 432 132 10ms 2 Dec 2017 257th mizuzimu 429 133 10ms 22 Nov 2021 257th LostSyntax21 🇬🇧 429 133 9ms 47 mins ago 259th bastienvoirin 🇫🇷 425 134 18ms 24 Apr 2020 259th ehulinsky 🇺🇸 425 134 9ms 6 Nov 2021 261st Andre3582 422 135 9ms 29 Sep 2025 262nd Nikinator2704 416 137 10ms 31 Oct 2025 263rd yokasuretsu 413 138 9ms 23 Apr 2018 264th Awsute 410 139 9ms 20 Aug 2024 265th msbranicky 407 140 9ms 26 Jul 2023 266th Kasci 401 142 67ms 28 Dec 2021 267th twocatsinatrenchcoat 399 143 10ms 25 Nov 2022 267th voidgloom 399 143 16ms 23 Oct 2024 269th LeftPathLane 396 144 10ms 28 Oct 2018 269th simon-thornton_pace 396 144 9ms 11 Oct 2023 271st msrawson 393 145 9ms 30 Aug 2018 271st mcjo163 393 145 9ms 1 Oct 2022 273rd brimstonetrader 388 147 9ms 10 Mar 2025 274th leon-w 383 149 13ms 5 Jan 2019 275th zoemarschner 377 151 9ms 16 May 2022 275th LukasFolwarczny 🇨🇿 377 151 9ms 15 Sep 2022 277th amishtal 375 152 9ms 5 Dec 2019 277th michelebastione 🇮🇹 375 152 9ms 19 Feb 2020 279th MaxElf999 370 154 9ms 15 Dec 2022 280th feherd 368 155 9ms 4 Mar 2022 281st rschwa6308 🇺🇸 356 160 9ms 2 Apr 2019 281st fajost 356 160 9ms 26 Sep 2020 281st r-i-c-e 356 160 13ms 8 Jul 2023 281st NerdyMcNerd42 356 160 10ms 20 Jul 2024 285th JunkIce 354 161 9ms 4 Oct 2024 286th wazawoo 350 163 9ms 23 Oct 2018 286th wrhm 350 163 16ms 14 Dec 2020 288th evanrittner 345 165 16ms 5 Jun 2021 289th Upload-and-View 🇺🇦 343 166 16ms 23 Jul 2025 290th eiburns 339 168 9ms 8 May 2023 290th Fanrco 339 168 9ms 31 Aug 2023 292nd Altrul 335 170 9ms 17 Dec 2020 293rd tomh1012 329 173 9ms 5 Nov 2020 294th TobyBoyne 🇬🇧 326 175 9ms 1 Jun 2019 295th P-Quentin 🇫🇷 324 176 28ms 9 Aug 2022 296th alangodfrey 311 183 10ms 30 Jan 2019 296th j3mak 311 183 9ms 17 Jan 2024 296th jfallon1997 311 183 9ms 27 Sep 2024 296th robin-scragg 311 183 11ms 15 Jul 2025 300th myleopard 308 185 9ms 15 Oct 2021 First Prev 226–300 of 398 Next Last
