The Tower of Hanoi hole will go live in approximately 113 mins. Why not try and solve it ahead of time?
Emirp Numbers in all languages 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 374th dmrichwa 🇺🇸 899 71 10ms 9 Oct 2022 377th pardouin 🇫🇷 899 120 262ms 22 Oct 2024 378th prplz 🇦🇺 898 62 219ms 13 Dec 2020 379th MeWhenI 🇻🇦 898 74 4ms 17 Dec 2024 380th Lydxn 🇨🇦 898 101 29ms 29 Jan 2023 380th GrayJoKing 🇦🇺 898 101 28ms 23 Mar 2023 380th lynn 898 101 29ms 20 Jul 2023 383rd m-tkach 🇺🇦 898 114 1ms 8 Mar 2023 383rd UnderKoen 🇳🇱 898 114 2ms 7 Oct 2024 385th MeWhenI 🇻🇦 897 77 100ms 4 Jan 2022 386th JayXon 🇺🇸 897 110 32ms 13 Sep 2023 387th sisyphus-ppcg 🇦🇺 896 61 6ms 15 Nov 2022 388th Lydxn 🇨🇦 896 76 3ms 17 Jul 2023 389th JayXon 🇺🇸 896 88 8ms 11 days ago 390th Steffan153 🇫🇮 895 70 474ms 20 Jan 2024 391st Bubbler-4 895 84 147ms 17 Jan 2019 391st primo-ppcg 🇹🇭 895 84 191ms 19 Oct 2020 391st xnor-gate 895 84 132ms 3 Jan 2022 394th Yewzir 🇧🇪 895 92 372ms 30 Dec 2023 395th Natanaelel 🇸🇪 893 28 2ms 7 Jan 2024 396th MeWhenI 🇻🇦 893 80 15ms 10 Nov 2021 397th Lydxn 🇨🇦 893 91 48ms 4 Jan 2022 398th 2bular 892 32 33ms 25 days ago 399th JayXon 🇺🇸 892 67 287ms 6 Jul 2021 400th MeWhenI 🇻🇦 892 82 4ms 26 Mar 2024 401st GrayJoKing 🇦🇺 891 73 3ms 16 Aug 2023 401st Lydxn 🇨🇦 891 73 4ms 28 Aug 2023 401st edsrzf 🇳🇿 891 73 4ms 2 hours ago 404th primo-ppcg 🇹🇭 891 85 79ms 6 Jul 2021 404th JayXon 🇺🇸 891 85 83ms 6 Jul 2021 406th sisyphus-ppcg 🇦🇺 891 115 1ms 7 Jul 2022 406th edsrzf 🇳🇿 891 115 2ms 5 Mar 2025 408th DialFrost 🇸🇬 891 121 276ms 26 Dec 2024 409th Steffan153 🇫🇮 889 75 5ms 12 Dec 2023 409th Lydxn 🇨🇦 889 75 5ms 20 Dec 2023 409th edsrzf 🇳🇿 889 75 6ms 12 Feb 2025 409th sean-niemann 🇺🇸 889 75 6ms 19 Apr 2025 413th namelessiw 889 106 326ms 4 Oct 2025 414th ydevor 🇮🇱 888 75 9ms 26 Nov 2020 414th commandblockguy 🇺🇸 888 75 9ms 22 Nov 2023 416th duckyluuk 🇳🇱 886 75 5ms 16 Dec 2024 416th Yewzir 🇧🇪 886 75 4ms 23 Dec 2024 418th Shanethegamer 🇺🇸 886 176 10ms 1 Aug 2023 418th Lydxn 🇨🇦 886 176 10ms 1 Aug 2023 418th MeWhenI 🇻🇦 886 176 10ms 1 Aug 2023 418th JayXon 🇺🇸 886 176 10ms 2 Aug 2023 418th Steffan153 🇫🇮 886 176 10ms 2 Aug 2023 418th janbehrens 🇩🇪 886 176 10ms 2 Aug 2023 418th GrayJoKing 🇦🇺 886 176 10ms 11 Aug 2023 418th BREMAUCY 🇫🇷 886 176 10ms 7 Sep 2023 418th lynn 886 176 11ms 17 Oct 2023 418th dokutan 886 176 10ms 26 Oct 2023 418th Yewzir 🇧🇪 886 176 10ms 12 Mar 2024 418th HumanoidCPU 886 176 10ms 6 May 2024 418th pardouin 🇫🇷 886 176 10ms 20 Aug 2024 418th KatieLG 🇬🇧 886 176 10ms 26 Sep 2024 418th emgordon154 886 176 10ms 4 Dec 2024 418th CaedenHarper 🇨🇦 886 176 10ms 24 Jan 2025 418th rucin93 🇵🇱 886 176 10ms 23 Apr 2025 418th albanian-laundromat 886 176 10ms 20 Jul 2025 418th GolfingSuccess 🇬🇷 886 176 11ms 22 days ago 437th orthoplex 🇨🇽 885 64 35ms 31 Mar 2022 437th SirBogman 🇺🇸 885 64 34ms 9 Jan 2024 439th DialFrost 🇸🇬 885 85 151ms 6 Aug 2024 440th MeWhenI 🇻🇦 884 92 55ms 16 May 2023 441st neel11235813 882 71 441ms 15 Jan 2024 441st kg583 🇺🇸 882 71 411ms 15 Jan 2024 441st GrayJoKing 🇦🇺 882 71 596ms 15 Jan 2024 441st sean-niemann 🇺🇸 882 71 547ms 6 Jun 2025 445th edsrzf 🇳🇿 882 104 40ms 31 Dec 2024 445th kg583 🇺🇸 882 104 38ms 2 Apr 2025 447th ovs-code 🇩🇪 882 109 51ms 3 Jun 2024 447th sean-niemann 🇺🇸 882 109 54ms 29 Jul 2024 449th Lydxn 🇨🇦 881 62 2ms 13 May 2023 450th primo-ppcg 🇹🇭 881 84 39ms 21 Jun 2022 First Prev 376–450 of 3,117 Next Last