The Tower of Hanoi hole will go live in approximately 42 hours. Why not try and solve it ahead of time?
Tongue-twisters 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 151st cykim8811 412 362 10ms 11 Jul 2024 152nd decorator-factory 408 365 9ms 6 May 2021 152nd ffelixm 408 365 10ms 29 May 2025 154th codewrite 🇬🇧 406 367 9ms 11 May 2025 155th OllieBoyne 🇬🇧 405 368 9ms 28 May 2022 155th jfallon1997 405 368 9ms 7 Sep 2022 157th martinnorling 🇸🇪 401 372 9ms 25 Mar 2022 157th minhtrancccp 401 372 9ms 18 Oct 2023 159th Indivicivet 399 373 9ms 15 Mar 2021 160th tomh1012 398 374 9ms 9 Nov 2020 160th CutSandstone 398 374 12ms 5 Jul 2024 162nd Europe2048 396 376 10ms 27 Nov 2024 163rd jarekwg 392 380 9ms 1 Oct 2020 164th firegene 🇮🇪 391 381 9ms 4 Apr 2023 165th HassanAliKadhem 🇧🇭 387 385 9ms 4 Jan 2022 166th guilhem-roy 🇫🇷 384 388 9ms 24 Feb 2022 167th StefanHabel 🇨🇦 382 390 9ms 28 Mar 2023 167th mousetail 🇳🇱 382 390 9ms 4 Jul 2024 169th NicholasSeward 380 392 9ms 9 Sep 2021 169th Zach10za 380 392 9ms 22 Nov 2022 169th Code-Coder-coder 380 392 9ms 11 Oct 2025 172nd bbakersmith 379 393 9ms 3 Jul 2021 172nd rowboat1 379 393 9ms 19 Jun 2022 172nd Omega65536 🇩🇪 379 393 9ms 22 Nov 2022 172nd sultan 379 393 9ms 29 Feb 2024 176th aprzn123 378 394 9ms 3 Dec 2021 176th neihousaigaai 378 394 9ms 13 Feb 2024 178th andre-lameirinhas 🇵🇹 375 397 10ms 1 Mar 2021 178th YoranDS 375 397 9ms 25 Nov 2021 178th osmith93 375 397 9ms 14 Jun 2022 178th bob-th 375 397 9ms 19 Nov 2023 178th gabe-gallegos 375 397 9ms 20 May 2024 183rd vishwathg 374 398 9ms 16 Sep 2022 183rd codingisgreatbutiamnot 374 398 9ms 14 Jul 2024 185th feherd 373 399 9ms 30 Aug 2021 185th mosho-p 373 399 10ms 11 Oct 2022 185th damoose717 373 399 9ms 24 May 2025 188th The3gs 373 400 9ms 13 Oct 2020 188th Chimplement 373 400 9ms 18 Dec 2023 190th jacklynnepenick 372 401 9ms 26 Aug 2021 190th lamorach 372 401 9ms 28 Mar 2024 192nd NewDefectus 🇮🇱 371 402 9ms 27 May 2021 193rd abailey2020 🇺🇸 370 403 9ms 7 Dec 2020 193rd m42km 370 403 9ms 13 Nov 2023 193rd luuumine 🇫🇷 370 403 11ms 6 Oct 2025 196th lemogne 368 405 9ms 7 Aug 2021 196th TheSmilingTurtle 368 405 9ms 30 Jun 2022 196th glesnick 368 405 9ms 18 Aug 2022 196th Mr-McChicken 368 405 9ms 4 Oct 2025 200th ValdeQwerty 367 406 9ms 4 Nov 2020 200th thehylian 367 406 9ms 30 Dec 2022 202nd chayleaf 366 407 9ms 7 Jan 2022 202nd za3k 366 407 9ms 12 Oct 2022 202nd chartung17 366 407 9ms 20 Dec 2023 202nd Terobero 366 407 9ms 2 Sep 2024 206th Attero 🇸🇪 365 408 9ms 23 Sep 2023 206th AdamMorris377 365 408 9ms 29 Aug 2024 206th CommandLeo 🇮🇹 365 408 10ms 16 hours ago 209th YAJUE114514 364 409 10ms 31 Jul 2025 210th TaserTheFox 🇺🇸 363 410 9ms 9 Mar 2023 211th Starwort 🇬🇧 363 411 9ms 8 Mar 2021 211th RedzGoose 🇦🇺 363 411 9ms 11 Jul 2022 213th ianpoe 362 412 9ms 26 Jan 2021 213th tooningelaere 362 412 9ms 5 Dec 2022 213th CaedenHarper 🇨🇦 362 412 9ms 10 Oct 2025 216th PotatoSaladOverlord 361 413 9ms 21 May 2025 217th SpeedyNinja 360 414 9ms 21 Oct 2020 217th ophact 360 414 9ms 25 May 2022 217th Squidled 360 414 9ms 3 Jan 2023 217th AlexanderFair 360 414 9ms 26 Jul 2023 217th GWStuart 360 414 10ms 11 Sep 2023 217th TheZwierzLF 🇵🇱 360 414 10ms 5 days ago 223rd CodyMiner 359 415 10ms 17 Nov 2021 223rd joshmoody24 359 415 9ms 4 Mar 2022 223rd celiendonze 🇨🇭 359 415 10ms 30 Sep 2025 First Prev 151–225 of 467 Next Last
