The Calendar hole will go live in approximately 11 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 pardouin 🇫🇷 872 88 26ms 18 days ago 322nd Shanethegamer 🇺🇸 871 70 2ms 4 Nov 2025 322nd MeWhenI 🇻🇦 871 70 2ms 21 Nov 2025 322nd emgordon154 871 70 2ms 7 hours ago 325th dokutan 871 91 28ms 18 days ago 326th rucin93 🇵🇱 869 51 124ms 31 Oct 2025 326th GolfingSuccess 🇬🇷 869 51 130ms 3 Nov 2025 328th albanian-laundromat 869 220 12ms 15 days ago 329th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 330th MeWhenI 🇻🇦 868 75 121ms 27 days ago 331st CaedenHarper 🇨🇦 868 95 290ms 15 days ago 332nd targrik 867 51 9ms 30 Oct 2025 332nd luuumine 🇫🇷 867 51 8ms 16 days ago 334th bitsandbeyond 🇳🇱 867 53 798ms 1 Nov 2025 335th MeWhenI 🇻🇦 867 89 74ms 21 Nov 2025 336th KatieLG 🇬🇧 867 98 2ms 19 days ago 337th rucin93 🇵🇱 866 58 11ms 30 Oct 2025 338th MeWhenI 🇻🇦 865 79 57ms 27 days ago 339th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 339th sean-niemann 🇺🇸 865 88 11ms 2 days ago 341st Kacarott 🇦🇺 864 57 478ms 20 days ago 341st KatieLG 🇬🇧 864 57 414ms 19 days ago 341st edsrzf 🇳🇿 864 57 432ms 19 days ago 344th sean-niemann 🇺🇸 862 66 215ms 18 days ago 345th arcpolaris 862 74 389ms 17 days ago 346th MeWhenI 🇻🇦 862 89 27ms 26 days ago 347th MeWhenI 🇻🇦 862 92 25ms 26 days ago 348th MeWhenI 🇻🇦 861 136 1,783ms 27 days ago 348th emgordon154 861 136 1,699ms 26 days ago 350th Kacarott 🇦🇺 861 198 3ms 15 days ago 351st MeWhenI 🇻🇦 861 222 13ms 27 days ago 352nd bitsandbeyond 🇳🇱 860 52 51ms 1 Nov 2025 353rd Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 353rd MeWhenI 🇻🇦 860 68 3ms 27 days ago 353rd edsrzf 🇳🇿 860 68 3ms 19 days ago 353rd DialFrost 🇸🇬 860 68 5ms 16 days ago 357th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 358th pardouin 🇫🇷 860 85 69ms 19 days ago 359th vhoulbreque 🇫🇷 860 106 8ms 18 days ago 360th iczelia 🇩🇪 859 71 2ms 18 days ago 361st albanian-laundromat 859 119 402ms 30 Oct 2025 362nd MeWhenI 🇻🇦 857 56 679ms 26 days ago 363rd CaedenHarper 🇨🇦 857 90 469ms 21 days ago 363rd BlankSpruce 857 90 74ms 14 days ago 365th emgordon154 855 86 617ms 16 hours ago 366th sean-niemann 🇺🇸 853 34 53ms 2 days ago 367th bitsandbeyond 🇳🇱 853 52 125ms 1 Nov 2025 368th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 369th rucin93 🇵🇱 852 62 2ms 31 Oct 2025 369th dokutan 852 62 2ms 21 days ago 371st bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 372nd MeWhenI 🇻🇦 851 54 779ms 27 days ago 372nd emgordon154 851 54 1,055ms 7 hours ago 374th DialFrost 🇸🇬 851 57 2ms 17 hours ago 375th davecame 851 59 11ms 13 Nov 2025 375th Kacarott 🇦🇺 851 59 11ms 15 Nov 2025 375th commandblockguy 🇺🇸 851 59 11ms 22 days ago 375th dokutan 851 59 11ms 21 days ago 375th snoozingnewt 🇨🇦 851 59 11ms 21 days ago 375th vhoulbreque 🇫🇷 851 59 12ms 19 days ago 375th YAJUE114514 851 59 12ms 10 days ago 382nd bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 383rd Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 383rd MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 383rd CaedenHarper 🇨🇦 850 52 8ms 21 days ago 383rd emgordon154 850 52 15ms 16 hours ago 387th bitsandbeyond 🇳🇱 850 97 250ms 1 Nov 2025 388th CaedenHarper 🇨🇦 849 67 165ms 20 days ago 389th MeWhenI 🇻🇦 849 70 101ms 27 days ago 390th dokutan 848 72 4,130ms 21 days ago 391st Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 392nd h3ra993huskp 🇯🇵 847 83 343ms 6 days ago 393rd edsrzf 🇳🇿 845 94 185ms 19 days ago 394th Natanaelel 🇸🇪 844 53 48ms 4 Nov 2025 395th blaztoma 🇱🇹 842 60 7ms 20 days ago 396th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 397th dokutan 838 92 80ms 25 days ago 398th 5cw 🇺🇸 837 60 11ms 15 Nov 2025 398th enigma 837 60 13ms 20 hours ago 400th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 First Prev 321–400 of 1,099 Next Last