The Calendar hole will go live in approximately 13 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 🇻🇦 866 54 779ms 25 days ago 322nd rucin93 🇵🇱 865 58 11ms 30 Oct 2025 323rd MeWhenI 🇻🇦 865 79 57ms 25 days ago 324th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 324th sean-niemann 🇺🇸 865 88 11ms 17 hours ago 326th emgordon154 862 57 549ms 24 days ago 326th Kacarott 🇦🇺 862 57 478ms 18 days ago 326th KatieLG 🇬🇧 862 57 414ms 18 days ago 326th edsrzf 🇳🇿 862 57 432ms 17 days ago 330th sean-niemann 🇺🇸 862 66 215ms 16 days ago 331st MeWhenI 🇻🇦 862 89 27ms 24 days ago 332nd MeWhenI 🇻🇦 862 92 25ms 24 days ago 333rd arcpolaris 861 74 389ms 15 days ago 334th MeWhenI 🇻🇦 861 136 1,783ms 25 days ago 334th emgordon154 861 136 1,699ms 24 days ago 336th Kacarott 🇦🇺 861 198 3ms 13 days ago 337th MeWhenI 🇻🇦 861 222 13ms 25 days ago 338th Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 338th MeWhenI 🇻🇦 860 68 3ms 25 days ago 338th edsrzf 🇳🇿 860 68 3ms 17 days ago 338th DialFrost 🇸🇬 860 68 5ms 15 days ago 342nd GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 343rd pardouin 🇫🇷 860 85 69ms 17 days ago 344th vhoulbreque 🇫🇷 860 106 8ms 17 days ago 345th bitsandbeyond 🇳🇱 859 52 51ms 1 Nov 2025 346th DialFrost 🇸🇬 859 59 96ms 16 days ago 347th albanian-laundromat 859 119 402ms 30 Oct 2025 348th emgordon154 858 71 2ms 23 days ago 348th iczelia 🇩🇪 858 71 2ms 16 days ago 350th bitsandbeyond 🇳🇱 858 97 250ms 1 Nov 2025 351st MeWhenI 🇻🇦 857 56 679ms 24 days ago 352nd CaedenHarper 🇨🇦 857 90 469ms 19 days ago 352nd BlankSpruce 857 90 74ms 12 days ago 352nd emgordon154 857 90 63ms 3 days ago 355th sean-niemann 🇺🇸 853 34 53ms 19 hours ago 356th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 357th rucin93 🇵🇱 852 62 2ms 31 Oct 2025 357th dokutan 852 62 2ms 20 days ago 359th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 360th bitsandbeyond 🇳🇱 851 52 125ms 1 Nov 2025 361st bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 362nd Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 362nd MeWhenI 🇻🇦 850 52 8ms 27 days ago 362nd CaedenHarper 🇨🇦 850 52 8ms 19 days ago 365th Shanethegamer 🇺🇸 850 55 896ms 4 Nov 2025 366th davecame 850 59 11ms 13 Nov 2025 366th Kacarott 🇦🇺 850 59 11ms 15 Nov 2025 366th emgordon154 850 59 10ms 24 days ago 366th commandblockguy 🇺🇸 850 59 11ms 20 days ago 366th dokutan 850 59 11ms 20 days ago 366th snoozingnewt 🇨🇦 850 59 11ms 20 days ago 366th vhoulbreque 🇫🇷 850 59 12ms 17 days ago 366th YAJUE114514 850 59 12ms 8 days ago 374th CaedenHarper 🇨🇦 849 67 165ms 18 days ago 375th MeWhenI 🇻🇦 849 70 101ms 25 days ago 376th dokutan 848 72 4,130ms 20 days ago 377th Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 378th h3ra993huskp 🇯🇵 846 83 343ms 4 days ago 379th edsrzf 🇳🇿 845 94 185ms 17 days ago 380th Natanaelel 🇸🇪 843 53 48ms 4 Nov 2025 381st blaztoma 🇱🇹 842 60 7ms 18 days ago 382nd ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 383rd dokutan 838 92 80ms 24 days ago 384th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 384th MeWhenI 🇻🇦 837 91 8ms 25 days ago 386th 5cw 🇺🇸 836 60 11ms 15 Nov 2025 387th ethanlally 836 84 574ms 25 days ago 387th dokutan 836 84 342ms 20 days ago 387th jkelly467 836 84 390ms 16 days ago 390th emgordon154 836 88 394ms 24 days ago 390th fuzzylojik-golf 🇺🇸 836 88 371ms 16 days ago 392nd GolfingSuccess 🇬🇷 836 95 139ms 20 days ago 392nd DialFrost 🇸🇬 836 95 102ms 15 days ago 394th rucin93 🇵🇱 835 56 5ms 30 Oct 2025 394th emgordon154 835 56 799ms 24 days ago 394th CaedenHarper 🇨🇦 835 56 806ms 18 days ago 397th dokutan 835 70 3ms 20 days ago 398th dokutan 835 73 2ms 24 days ago 399th snoozingnewt 🇨🇦 834 53 9ms 20 days ago 399th Yax42 🇫🇷 834 53 9ms 16 days ago First Prev 321–400 of 1,080 Next Last