The Tower of Hanoi hole will go live in approximately 16 hours. Why not try and solve it ahead of time?
Farey Sequence 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 76th adamnielson42 🇺🇸 725 80 10ms 1 Dec 2023 77th AlephSquirrel 716 81 11ms 6 Dec 2023 77th doktoren 716 81 11ms 10 Dec 2023 77th brimstonetrader 716 81 11ms 23 Feb 2024 77th NickTheEASDude 🇺🇸 716 81 71ms 25 Apr 2024 77th martion2007 716 81 72ms 15 Aug 2024 77th Herbert00709 🇵🇱 716 81 10ms 27 Nov 2024 77th CLOStrophobic 🇮🇹 716 81 11ms 28 Jan 2025 77th Pyroan 716 81 11ms 18 Mar 2025 77th KatieLG 🇬🇧 716 81 22ms 15 Sep 2025 77th vhoulbreque 🇫🇷 716 81 67ms 4 days ago 87th MichalMarsalek 🇨🇿 707 82 13ms 1 Dec 2023 87th Koshu 707 82 10ms 2 Dec 2023 87th uttumuttu 🇫🇮 707 82 11ms 22 Dec 2023 87th fkantelberg 707 82 22ms 12 Jul 2025 91st m42km 699 83 10ms 6 Jan 2024 91st Natanaelel 🇸🇪 699 83 10ms 22 Mar 2024 91st davecame 699 83 14ms 25 Apr 2024 94th jared-hughes 690 84 13ms 17 Dec 2023 94th stertooy 🇧🇪 690 84 11ms 14 Jun 2024 94th sacredeux 690 84 11ms 20 Aug 2024 94th hiichbindermax 690 84 11ms 27 May 2025 98th KrausRaus 🇺🇸 682 85 11ms 1 Dec 2023 98th jeff-at-tamer-dot-codes 🇺🇸 682 85 20ms 19 Dec 2023 100th Just4FunCoder 674 86 22ms 26 Feb 2024 100th SB-945 674 86 24ms 7 Apr 2024 100th Babafaba 674 86 20ms 22 Oct 2025 103rd jatloe 667 87 22ms 24 Aug 2024 104th FlorianCassayre 🇫🇷 659 88 21ms 18 May 2024 104th jacekwladzinski 659 88 10ms 3 Oct 2025 106th commandblockguy 🇺🇸 644 90 10ms 1 Dec 2023 106th ZakkkkAttackkkk 🇵🇭 644 90 13ms 9 May 2024 106th HumanoidCPU 644 90 20ms 5 Jun 2024 109th agreegious 637 91 11ms 17 Nov 2024 110th ahmetdemirag 🇨🇾 624 93 11ms 9 Jun 2024 111th mikehanus 617 94 11ms 5 Dec 2023 111th eiburns 617 94 10ms 13 Dec 2023 111th msbranicky 617 94 12ms 1 Jan 2024 111th InigoK 🇺🇸 617 94 11ms 29 Aug 2025 115th janbehrens 🇩🇪 611 95 11ms 1 Dec 2023 115th wuzekai518 611 95 10ms 16 Jul 2024 115th CoolBvll 611 95 13ms 13 Jun 2025 115th Techdude01 611 95 11ms 14 Aug 2025 119th bac0id 592 98 10ms 10 Jan 2025 119th Troon 592 98 11ms 18 Feb 2025 121st Ripick 586 99 11ms 1 Dec 2023 121st hellwue 586 99 10ms 22 Feb 2024 123rd 051 🇸🇬 574 101 12ms 24 Dec 2023 124th WillConker 569 102 27ms 10 Mar 2024 125th markusgraube 563 103 10ms 22 Jun 2024 126th KadinSchultz 558 104 10ms 4 Dec 2023 126th cros107 🇦🇺 558 104 11ms 26 Dec 2023 126th JunkIce 558 104 14ms 24 Nov 2024 126th Lv0Sys 🇵🇱 558 104 10ms 30 May 2025 130th madex 🇩🇪 552 105 11ms 21 May 2024 131st Bmrl7 547 106 11ms 26 Mar 2024 132nd neihousaigaai 537 108 11ms 11 Feb 2024 133rd Bodo171 532 109 11ms 1 Jul 2024 133rd trist224 🇫🇷 532 109 11ms 3 Aug 2025 135th rollershutter 527 110 15ms 20 Dec 2023 135th fourth-bit 527 110 21ms 1 Jul 2024 135th jipsong 🇩🇪 527 110 20ms 5 Jul 2025 138th minhtrancccp 523 111 11ms 1 Dec 2023 138th croc54 523 111 22ms 30 Dec 2024 138th Mikey-Beep 🇬🇧 523 111 20ms 24 Jul 2025 138th CommandLeo 🇮🇹 523 111 21ms 1 Nov 2025 142nd knutae 🇳🇴 518 112 21ms 16 Dec 2023 143rd mathisfun271 513 113 19ms 23 Dec 2023 144th anarconic 504 115 11ms 11 Dec 2023 144th moustave 504 115 20ms 19 Nov 2024 144th damoose717 504 115 20ms 23 May 2025 147th NanduBC 500 116 11ms 6 Sep 2024 148th TinyTheBrontosaurus 479 121 24ms 3 Dec 2023 148th RobertHoeh 479 121 13ms 9 Dec 2023 148th klixel 🇨🇦 479 121 11ms 21 Jun 2025 First Prev 76–150 of 211 Next Last