The Tower of Hanoi hole will go live in approximately 27 hours. Why not try and solve it ahead of time?
Lucky 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 376th jared-hughes 751 84 3,331ms 11 Sep 2023 376th alomiF 751 84 311ms 4 Dec 2023 378th thehylian 749 70 34ms 2 Jan 2023 379th MeWhenI 🇻🇦 749 92 5ms 22 May 2022 379th Shanethegamer 🇺🇸 749 92 4ms 31 Jan 2023 381st ScottHamper 749 108 186ms 2 Mar 2022 382nd inventshah 747 116 58ms 1 May 2025 383rd Natanaelel 🇸🇪 746 37 461ms 22 Jul 2023 384th Shanethegamer 🇺🇸 745 107 358ms 9 Apr 2025 385th Natanaelel 🇸🇪 742 44 43ms 11 Nov 2023 386th MeWhenI 🇻🇦 742 74 43ms 4 Nov 2022 387th MeWhenI 🇻🇦 742 91 16ms 22 Jul 2024 388th MeWhenI 🇻🇦 742 109 460ms 22 May 2022 388th Shanethegamer 🇺🇸 742 109 493ms 7 Jun 2022 390th marshallward 🇺🇸 741 101 105ms 8 Jul 2023 391st Frowny 739 71 13ms 1 Mar 2022 391st Eilonlif 🇮🇱 739 71 77ms 12 Mar 2023 393rd MeWhenI 🇻🇦 735 92 57ms 10 Sep 2022 394th Shanethegamer 🇺🇸 734 68 473ms 6 Sep 2024 395th stefangimmillaro 734 84 108ms 10 Jan 2023 396th YAJUE114514 734 86 335ms 30 Jul 2025 397th Shanethegamer 🇺🇸 734 92 18ms 7 Jun 2022 398th MeWhenI 🇻🇦 734 118 56ms 22 May 2022 399th Shanethegamer 🇺🇸 733 116 36ms 27 Sep 2024 400th UnderKoen 🇳🇱 733 216 530ms 7 Feb 2024 401st jared-hughes 730 61 58ms 9 Sep 2022 401st emgordon154 730 61 124ms 13 Nov 2024 403rd bob-th 728 72 11ms 2 Aug 2024 404th Shanethegamer 🇺🇸 728 116 46ms 30 Dec 2022 405th Shanethegamer 🇺🇸 728 125 128ms 7 Jun 2022 406th SirBogman 🇺🇸 726 45 35ms 30 Aug 2022 407th Frowny 725 87 318ms 1 Mar 2022 407th annaproxy 725 87 275ms 2 Mar 2022 407th DaCuteRaccoon 725 87 396ms 1 Dec 2022 407th CaedenHarper 🇨🇦 725 87 374ms 27 Jan 2025 411th Shanethegamer 🇺🇸 724 111 45ms 14 Jun 2022 412th snoozingnewt 🇺🇸 723 69 452ms 15 Oct 2025 413th Irratix 🇳🇱 723 79 20ms 1 Mar 2022 414th pardouin 🇫🇷 721 67 1,139ms 29 Jul 2025 415th Feniske 🇫🇷 720 70 3,061ms 3 Nov 2023 416th NewDefectus 🇮🇱 718 73 57ms 29 Apr 2022 416th ZakkkkAttackkkk 🇵🇭 718 73 1,173ms 31 Jul 2022 416th AlephSquirrel 718 73 12ms 28 Jan 2023 416th fourth-bit 718 73 11ms 11 Jul 2023 416th ovs-code 🇩🇪 718 73 140ms 3 Aug 2024 416th neihousaigaai 718 73 29ms 22 Oct 2024 422nd inventshah 718 96 4ms 1 May 2025 423rd stefangimmillaro 717 156 271ms 22 Jun 2023 424th CaedenHarper 🇨🇦 714 35 61ms 27 Jan 2025 425th MeWhenI 🇻🇦 711 68 935ms 22 May 2022 426th JohandeRuiter 🇳🇱 711 97 16ms 12 Nov 2023 427th sean-niemann 🇺🇸 711 129 346ms 24 Sep 2025 428th MeWhenI 🇻🇦 710 94 172ms 28 Feb 2025 429th minhtrancccp 709 74 10ms 11 Jan 2024 430th jared-hughes 709 75 1,466ms 17 Jul 2022 431st lifthrasiir 🇰🇷 708 39 3ms 29 Nov 2024 432nd OhmNomNom 706 63 81ms 1 Nov 2022 432nd KatieLG 🇬🇧 706 63 66ms 11 Oct 2025 434th didion0 🇺🇸 706 81 30ms 1 Mar 2022 434th jbt 706 81 283ms 28 Dec 2023 436th CaedenHarper 🇨🇦 706 106 113ms 27 Jan 2025 436th snoozingnewt 🇺🇸 706 106 90ms 5 Oct 2025 438th MeWhenI 🇻🇦 705 114 43ms 20 Jun 2022 439th Shanethegamer 🇺🇸 702 95 27ms 29 Apr 2025 440th MeWhenI 🇻🇦 702 211 1,714ms 21 days ago 441st suwat513 699 75 11ms 20 Sep 2022 441st ahmetdemirag 🇨🇾 699 75 10ms 6 Mar 2025 441st plcc0 699 75 59ms 21 Mar 2025 441st sean-niemann 🇺🇸 699 75 144ms 29 Apr 2025 441st RaBa21 🇭🇺 699 75 97ms 12 Jul 2025 446th stefangimmillaro 699 114 424ms 11 Aug 2023 447th helbling 🇨🇭 697 82 37ms 13 Jun 2024 448th emgordon154 697 122 228ms 12 Dec 2024 449th Shanethegamer 🇺🇸 696 95 140ms 8 Jun 2022 450th Natanaelel 🇸🇪 695 64 46ms 1 Mar 2022 First Prev 376–450 of 1,515 Next Last