The Calendar hole will go live in approximately 12 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 targrik 866 51 9ms 30 Oct 2025 321st luuumine 🇫🇷 866 51 8ms 16 days ago 323rd MeWhenI 🇻🇦 866 54 779ms 26 days ago 324th rucin93 🇵🇱 865 58 11ms 30 Oct 2025 325th MeWhenI 🇻🇦 865 79 57ms 26 days ago 326th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 326th sean-niemann 🇺🇸 865 88 11ms 39 hours ago 328th emgordon154 863 57 549ms 25 days ago 328th Kacarott 🇦🇺 863 57 478ms 19 days ago 328th KatieLG 🇬🇧 863 57 414ms 18 days ago 328th edsrzf 🇳🇿 863 57 432ms 18 days ago 332nd sean-niemann 🇺🇸 862 66 215ms 17 days ago 333rd MeWhenI 🇻🇦 862 89 27ms 25 days ago 334th MeWhenI 🇻🇦 862 92 25ms 25 days ago 335th arcpolaris 861 74 389ms 16 days ago 336th MeWhenI 🇻🇦 861 136 1,783ms 26 days ago 336th emgordon154 861 136 1,699ms 25 days ago 338th Kacarott 🇦🇺 861 198 3ms 14 days ago 339th MeWhenI 🇻🇦 861 222 13ms 26 days ago 340th Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 340th MeWhenI 🇻🇦 860 68 3ms 26 days ago 340th edsrzf 🇳🇿 860 68 3ms 18 days ago 340th DialFrost 🇸🇬 860 68 5ms 16 days ago 344th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 345th pardouin 🇫🇷 860 85 69ms 18 days ago 346th vhoulbreque 🇫🇷 860 106 8ms 17 days ago 347th bitsandbeyond 🇳🇱 859 52 51ms 1 Nov 2025 348th DialFrost 🇸🇬 859 59 96ms 17 days ago 349th albanian-laundromat 859 119 402ms 30 Oct 2025 350th emgordon154 858 71 2ms 24 days ago 350th iczelia 🇩🇪 858 71 2ms 17 days ago 352nd bitsandbeyond 🇳🇱 858 97 250ms 1 Nov 2025 353rd MeWhenI 🇻🇦 857 56 679ms 25 days ago 354th CaedenHarper 🇨🇦 857 90 469ms 20 days ago 354th BlankSpruce 857 90 74ms 13 days ago 354th emgordon154 857 90 63ms 4 days ago 357th sean-niemann 🇺🇸 853 34 53ms 40 hours ago 358th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 359th rucin93 🇵🇱 852 62 2ms 31 Oct 2025 359th dokutan 852 62 2ms 20 days ago 361st bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 362nd bitsandbeyond 🇳🇱 851 52 125ms 1 Nov 2025 363rd DialFrost 🇸🇬 851 57 2ms 14 mins ago 364th davecame 851 59 11ms 13 Nov 2025 364th Kacarott 🇦🇺 851 59 11ms 15 Nov 2025 364th emgordon154 851 59 10ms 25 days ago 364th commandblockguy 🇺🇸 851 59 11ms 21 days ago 364th dokutan 851 59 11ms 21 days ago 364th snoozingnewt 🇨🇦 851 59 11ms 21 days ago 364th vhoulbreque 🇫🇷 851 59 12ms 18 days ago 364th YAJUE114514 851 59 12ms 9 days ago 372nd bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 373rd Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 373rd MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 373rd CaedenHarper 🇨🇦 850 52 8ms 20 days ago 376th Shanethegamer 🇺🇸 850 55 896ms 4 Nov 2025 377th CaedenHarper 🇨🇦 849 67 165ms 19 days ago 378th MeWhenI 🇻🇦 849 70 101ms 26 days ago 379th dokutan 848 72 4,130ms 20 days ago 380th Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 381st h3ra993huskp 🇯🇵 846 83 343ms 5 days ago 382nd edsrzf 🇳🇿 845 94 185ms 18 days ago 383rd Natanaelel 🇸🇪 843 53 48ms 4 Nov 2025 384th blaztoma 🇱🇹 842 60 7ms 19 days ago 385th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 386th dokutan 838 92 80ms 25 days ago 387th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 387th MeWhenI 🇻🇦 837 91 8ms 26 days ago 389th 5cw 🇺🇸 836 60 11ms 15 Nov 2025 389th enigma 836 60 13ms 3 hours ago 391st ethanlally 836 84 574ms 26 days ago 391st dokutan 836 84 342ms 21 days ago 391st jkelly467 836 84 390ms 17 days ago 394th emgordon154 836 88 394ms 25 days ago 394th fuzzylojik-golf 🇺🇸 836 88 371ms 17 days ago 396th GolfingSuccess 🇬🇷 836 95 139ms 21 days ago 396th DialFrost 🇸🇬 836 95 102ms 16 days ago 398th rucin93 🇵🇱 835 56 5ms 30 Oct 2025 398th emgordon154 835 56 799ms 25 days ago 398th CaedenHarper 🇨🇦 835 56 806ms 19 days ago First Prev 321–400 of 1,085 Next Last