The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Emirp Numbers 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 74th KatieLG 🇬🇧 883 77 10ms 14 Feb 2021 74th chethus 883 77 10ms 10 May 2021 74th mokymok 🇺🇸 883 77 10ms 17 Nov 2021 74th StefanHabel 🇨🇦 883 77 10ms 26 Mar 2023 74th luuumine 🇫🇷 883 77 16ms 11 days ago 81st RDShah 872 78 10ms 3 Aug 2020 81st Fishron 872 78 17ms 19 Oct 2021 81st Babafaba 872 78 10ms 11 days ago 84th GeoffroyF 861 79 10ms 16 May 2018 84th Mr-Xcoder 861 79 9ms 8 Sep 2018 84th vladyslavprosolupov 861 79 10ms 27 May 2019 84th giacomogallina 861 79 34ms 13 Jun 2019 84th siegelzero 861 79 10ms 7 Aug 2019 84th handisb 861 79 16ms 26 Oct 2019 84th olivermrose 🇺🇸 861 79 10ms 20 Oct 2021 84th guilhem-roy 🇫🇷 861 79 17ms 26 Feb 2022 84th thehylian 861 79 10ms 29 Dec 2022 84th AlephSquirrel 861 79 10ms 19 Jul 2024 94th StanislavNikolov 850 80 10ms 26 Nov 2017 94th jacklynnepenick 850 80 57ms 16 Aug 2021 94th ejini6969 850 80 9ms 1 Apr 2023 97th Waffle3z 840 81 14ms 7 Sep 2021 97th quimey 840 81 15ms 21 Jun 2023 99th Powerroff 829 82 26ms 10 Nov 2024 100th lelbal 819 83 11ms 23 Dec 2024 101st ssilwa 800 85 43ms 20 Jan 2018 101st 5cw 🇺🇸 800 85 12ms 20 Apr 2024 101st Matter1024 🇮🇳 800 85 10ms 11 days ago 104th hirosuzuki 791 86 9ms 24 Feb 2019 104th Sakaala 791 86 10ms 20 Apr 2019 104th bob-th 791 86 9ms 11 Aug 2022 104th BrunoVisnadi 🇧🇷 791 86 10ms 30 Sep 2025 108th Constructor7 782 87 9ms 24 Feb 2018 108th maartendeprez 782 87 9ms 16 Mar 2018 108th edre 782 87 9ms 1 May 2018 108th benwilliamgraham 782 87 9ms 26 Jan 2019 108th daedals 782 87 9ms 15 Apr 2019 108th villfa 782 87 9ms 25 Apr 2019 108th jiaminglimjm 🇲🇾 782 87 9ms 12 Dec 2019 108th thisishowmymindworks 🇳🇴 782 87 9ms 22 Jul 2020 108th anter69 🇭🇺 782 87 9ms 14 Jan 2021 108th HETHAT 🇩🇿 782 87 9ms 2 Feb 2021 108th vezzick 782 87 9ms 6 Mar 2021 108th ArmaanAS 782 87 9ms 21 Mar 2021 108th RYNO8 782 87 9ms 11 Nov 2021 108th tkr-sh 🇰🇵 782 87 9ms 14 Jun 2022 108th betaveros 782 87 9ms 9 Aug 2022 108th emirps 782 87 9ms 7 Feb 2023 108th CatsAreFluffy 782 87 9ms 8 Feb 2023 108th Just4FunCoder 782 87 9ms 22 Mar 2023 108th janbehrens 🇩🇪 782 87 9ms 20 Jun 2023 108th Grrisly 782 87 9ms 25 Mar 2024 108th abc7-12 782 87 9ms 10 May 2024 108th 5quiwyrm 782 87 9ms 14 Nov 2024 108th bltnppcnt 782 87 9ms 19 Dec 2024 108th fuzzylojik-golf 🇺🇸 782 87 10ms 9 Jun 2025 108th KasperKivimaeki 🇫🇮 782 87 10ms 12 Jul 2025 108th SanderRuud 782 87 10ms 13 Jul 2025 108th dirckvdende 782 87 9ms 24 Jul 2025 135th somebody1234 773 88 10ms 8 Dec 2018 135th yzhs 🇩🇪 773 88 9ms 20 Jul 2022 135th suwat513 773 88 10ms 13 Dec 2022 135th m42km 773 88 9ms 6 Nov 2023 135th dokutan 773 88 9ms 22 Jan 2024 135th namelessiw 773 88 9ms 5 Mar 2024 135th codingisgreatbutiamnot 773 88 9ms 7 Aug 2024 142nd Faweks1 764 89 16ms 1 Aug 2018 142nd IshanPanpaliya 764 89 79ms 2 Apr 2022 142nd kellantech 764 89 10ms 3 Jun 2023 142nd zwxzwxzwx21 764 89 9ms 7 Feb 2024 146th neihousaigaai 756 90 11ms 31 Oct 2022 147th retrohun 747 91 27ms 29 Oct 2022 147th trist224 🇫🇷 747 91 9ms 15 Nov 2022 147th alemelis 747 91 10ms 1 Sep 2024 150th PFischbeck 739 92 27ms 30 Jan 2018 First Prev 76–150 of 802 Next Last
