The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Tower of Hanoi 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 321st bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 322nd MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 323rd sean-niemann 🇺🇸 874 67 1,225ms 20 days ago 324th Shanethegamer 🇺🇸 874 73 341ms 4 Nov 2025 324th MeWhenI 🇻🇦 874 73 378ms 21 Nov 2025 324th CaedenHarper 🇨🇦 874 73 393ms 23 days ago 327th DialFrost 🇸🇬 873 55 724ms 20 days ago 328th Shanethegamer 🇺🇸 873 70 4,400ms 4 Nov 2025 328th MeWhenI 🇻🇦 873 70 3,684ms 24 Nov 2025 328th CaedenHarper 🇨🇦 873 70 4,095ms 22 days ago 328th blaztoma 🇱🇹 873 70 4,405ms 20 days ago 332nd pardouin 🇫🇷 872 88 26ms 21 days ago 333rd Shanethegamer 🇺🇸 871 70 2ms 4 Nov 2025 333rd MeWhenI 🇻🇦 871 70 2ms 21 Nov 2025 335th dokutan 871 91 28ms 21 days ago 336th JayXon 🇺🇸 870 119 1,909ms 42 hours ago 337th rucin93 🇵🇱 869 51 124ms 31 Oct 2025 337th GolfingSuccess 🇬🇷 869 51 130ms 3 Nov 2025 339th albanian-laundromat 869 220 12ms 17 days ago 340th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 341st MeWhenI 🇻🇦 868 75 121ms 23 Nov 2025 342nd MeWhenI 🇻🇦 868 89 74ms 21 Nov 2025 343rd CaedenHarper 🇨🇦 868 95 290ms 17 days ago 344th Shanethegamer 🇺🇸 867 49 420ms 3 Nov 2025 345th targrik 867 51 9ms 30 Oct 2025 345th luuumine 🇫🇷 867 51 8ms 18 days ago 345th emgordon154 867 51 14ms 41 hours ago 348th bitsandbeyond 🇳🇱 867 53 798ms 1 Nov 2025 349th emgordon154 867 85 626ms 41 hours ago 350th KatieLG 🇬🇧 867 98 2ms 21 days ago 351st rucin93 🇵🇱 866 58 11ms 30 Oct 2025 352nd sean-niemann 🇺🇸 865 74 21ms 42 hours ago 353rd MeWhenI 🇻🇦 865 79 57ms 23 Nov 2025 354th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 354th sean-niemann 🇺🇸 865 88 11ms 4 days ago 356th Kacarott 🇦🇺 864 57 478ms 22 days ago 356th KatieLG 🇬🇧 864 57 414ms 21 days ago 356th edsrzf 🇳🇿 864 57 432ms 21 days ago 359th arcpolaris 862 74 389ms 19 days ago 360th MeWhenI 🇻🇦 862 89 27ms 24 Nov 2025 361st MeWhenI 🇻🇦 862 92 25ms 24 Nov 2025 362nd Kacarott 🇦🇺 861 198 3ms 17 days ago 363rd MeWhenI 🇻🇦 861 222 13ms 23 Nov 2025 364th bitsandbeyond 🇳🇱 860 52 51ms 1 Nov 2025 365th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 366th pardouin 🇫🇷 860 85 69ms 21 days ago 367th vhoulbreque 🇫🇷 860 106 8ms 20 days ago 368th iczelia 🇩🇪 859 71 2ms 20 days ago 369th DialFrost 🇸🇬 859 96 287ms 39 hours ago 370th albanian-laundromat 859 119 402ms 30 Oct 2025 371st CaedenHarper 🇨🇦 858 90 469ms 23 days ago 371st BlankSpruce 858 90 74ms 16 days ago 373rd MeWhenI 🇻🇦 857 56 679ms 24 Nov 2025 374th rucin93 🇵🇱 854 62 2ms 31 Oct 2025 374th dokutan 854 62 2ms 23 days ago 376th bitsandbeyond 🇳🇱 853 52 125ms 1 Nov 2025 377th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 378th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 379th MeWhenI 🇻🇦 851 54 779ms 23 Nov 2025 379th emgordon154 851 54 1,048ms 2 days ago 381st DialFrost 🇸🇬 851 57 2ms 2 days ago 382nd davecame 851 59 11ms 13 Nov 2025 382nd Kacarott 🇦🇺 851 59 11ms 15 Nov 2025 382nd commandblockguy 🇺🇸 851 59 11ms 24 days ago 382nd dokutan 851 59 11ms 24 days ago 382nd snoozingnewt 🇨🇦 851 59 11ms 23 days ago 382nd vhoulbreque 🇫🇷 851 59 12ms 21 days ago 382nd YAJUE114514 851 59 12ms 12 days ago 382nd enigma 851 59 17ms 45 hours ago 390th MeWhenI 🇻🇦 851 70 101ms 23 Nov 2025 391st bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 392nd Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 392nd MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 392nd CaedenHarper 🇨🇦 850 52 8ms 23 days ago 395th bitsandbeyond 🇳🇱 850 97 250ms 1 Nov 2025 396th MeWhenI 🇻🇦 849 69 1,248ms 23 Nov 2025 397th dokutan 849 72 4,130ms 23 days ago 398th Natanaelel 🇸🇪 848 46 33ms 8 Nov 2025 399th h3ra993huskp 🇯🇵 847 83 343ms 8 days ago 400th edsrzf 🇳🇿 845 94 185ms 21 days ago First Prev 321–400 of 1,116 Next Last