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 MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 322nd sean-niemann 🇺🇸 874 67 1,225ms 20 days ago 323rd Shanethegamer 🇺🇸 874 73 341ms 4 Nov 2025 323rd MeWhenI 🇻🇦 874 73 378ms 21 Nov 2025 323rd CaedenHarper 🇨🇦 874 73 393ms 23 days ago 326th DialFrost 🇸🇬 873 55 724ms 20 days ago 327th Shanethegamer 🇺🇸 873 70 4,400ms 4 Nov 2025 327th MeWhenI 🇻🇦 873 70 3,684ms 24 Nov 2025 327th CaedenHarper 🇨🇦 873 70 4,095ms 22 days ago 327th blaztoma 🇱🇹 873 70 4,405ms 20 days ago 331st pardouin 🇫🇷 872 88 26ms 20 days ago 332nd Shanethegamer 🇺🇸 871 70 2ms 4 Nov 2025 332nd MeWhenI 🇻🇦 871 70 2ms 21 Nov 2025 334th dokutan 871 91 28ms 20 days ago 335th JayXon 🇺🇸 870 119 1,909ms 31 hours ago 336th rucin93 🇵🇱 869 51 124ms 31 Oct 2025 336th GolfingSuccess 🇬🇷 869 51 130ms 3 Nov 2025 338th albanian-laundromat 869 220 12ms 17 days ago 339th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 340th MeWhenI 🇻🇦 868 75 121ms 23 Nov 2025 341st MeWhenI 🇻🇦 868 89 74ms 21 Nov 2025 342nd CaedenHarper 🇨🇦 868 95 290ms 17 days ago 343rd Shanethegamer 🇺🇸 867 49 420ms 3 Nov 2025 344th targrik 867 51 9ms 30 Oct 2025 344th luuumine 🇫🇷 867 51 8ms 18 days ago 344th emgordon154 867 51 14ms 29 hours ago 347th bitsandbeyond 🇳🇱 867 53 798ms 1 Nov 2025 348th emgordon154 867 85 626ms 29 hours ago 349th KatieLG 🇬🇧 867 98 2ms 21 days ago 350th rucin93 🇵🇱 866 58 11ms 30 Oct 2025 351st sean-niemann 🇺🇸 865 74 21ms 31 hours ago 352nd MeWhenI 🇻🇦 865 79 57ms 23 Nov 2025 353rd edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 353rd sean-niemann 🇺🇸 865 88 11ms 4 days ago 355th Kacarott 🇦🇺 864 57 478ms 21 days ago 355th KatieLG 🇬🇧 864 57 414ms 21 days ago 355th edsrzf 🇳🇿 864 57 432ms 20 days ago 358th arcpolaris 862 74 389ms 19 days ago 359th MeWhenI 🇻🇦 862 89 27ms 24 Nov 2025 360th MeWhenI 🇻🇦 862 92 25ms 24 Nov 2025 361st Kacarott 🇦🇺 861 198 3ms 16 days ago 362nd MeWhenI 🇻🇦 861 222 13ms 23 Nov 2025 363rd bitsandbeyond 🇳🇱 860 52 51ms 1 Nov 2025 364th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 365th pardouin 🇫🇷 860 85 69ms 20 days ago 366th vhoulbreque 🇫🇷 860 106 8ms 20 days ago 367th iczelia 🇩🇪 859 71 2ms 20 days ago 368th DialFrost 🇸🇬 859 96 287ms 28 hours ago 369th albanian-laundromat 859 119 402ms 30 Oct 2025 370th CaedenHarper 🇨🇦 858 90 469ms 23 days ago 370th BlankSpruce 858 90 74ms 15 days ago 372nd MeWhenI 🇻🇦 857 56 679ms 24 Nov 2025 373rd rucin93 🇵🇱 854 62 2ms 31 Oct 2025 373rd dokutan 854 62 2ms 23 days ago 375th bitsandbeyond 🇳🇱 853 52 125ms 1 Nov 2025 376th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 377th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 378th MeWhenI 🇻🇦 851 54 779ms 23 Nov 2025 378th emgordon154 851 54 1,048ms 47 hours ago 380th DialFrost 🇸🇬 851 57 2ms 2 days ago 381st davecame 851 59 11ms 13 Nov 2025 381st Kacarott 🇦🇺 851 59 11ms 15 Nov 2025 381st commandblockguy 🇺🇸 851 59 11ms 23 days ago 381st dokutan 851 59 11ms 23 days ago 381st snoozingnewt 🇨🇦 851 59 11ms 23 days ago 381st vhoulbreque 🇫🇷 851 59 12ms 21 days ago 381st YAJUE114514 851 59 12ms 11 days ago 381st enigma 851 59 17ms 34 hours ago 389th MeWhenI 🇻🇦 851 70 101ms 23 Nov 2025 390th bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 391st Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 391st MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 391st CaedenHarper 🇨🇦 850 52 8ms 23 days ago 394th bitsandbeyond 🇳🇱 850 97 250ms 1 Nov 2025 395th MeWhenI 🇻🇦 849 69 1,248ms 23 Nov 2025 396th dokutan 849 72 4,130ms 23 days ago 397th Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 398th h3ra993huskp 🇯🇵 847 83 343ms 8 days ago 399th edsrzf 🇳🇿 845 94 185ms 21 days ago 400th Natanaelel 🇸🇪 844 53 48ms 4 Nov 2025 First Prev 321–400 of 1,113 Next Last