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 1st GolfingSuccess 🇬🇷 1,000 29 46ms 30 Oct 2025 1st ovs-code 🇩🇪 1,000 29 61ms 1 Nov 2025 1st blaztoma 🇱🇹 1,000 29 67ms 18 days ago 1st emgordon154 1,000 29 39ms 17 days ago 5th ovs-code 🇩🇪 980 33 4ms 1 Nov 2025 5th zacjl 980 33 3ms 19 days ago 7th pardouin 🇫🇷 967 30 40ms 19 days ago 7th edsrzf 🇳🇿 967 30 42ms 15 days ago 9th khvdm 965 52 12ms 30 Oct 2025 9th pardouin 🇫🇷 965 52 11ms 1 Nov 2025 9th Seek64 🇩🇪 965 52 11ms 17 Nov 2025 9th sunleonid 965 52 11ms 21 days ago 9th lukegustafson 🇺🇸 965 52 12ms 19 days ago 9th JayXon 🇺🇸 965 52 13ms 13 hours ago 15th pardouin 🇫🇷 961 46 9ms 21 days ago 15th lukegustafson 🇺🇸 961 46 9ms 19 days ago 15th JayXon 🇺🇸 961 46 14ms 12 hours ago 18th AdrienHache 🇫🇷 952 42 50ms 20 days ago 19th pardouin 🇫🇷 952 47 61ms 1 Nov 2025 19th radarek 🇵🇱 952 47 45ms 18 days ago 19th JayXon 🇺🇸 952 47 37ms 7 hours ago 22nd ovs-code 🇩🇪 950 41 34ms 21 days ago 23rd GrayJoKing 🇦🇺 947 40 4ms 15 days ago 24th pardouin 🇫🇷 947 52 376ms 1 Nov 2025 24th JayXon 🇺🇸 947 52 488ms 13 hours ago 26th saito-ta 🇯🇵 945 45 2ms 31 Oct 2025 27th pardouin 🇫🇷 943 47 123ms 21 days ago 27th JayXon 🇺🇸 943 47 156ms 11 hours ago 29th edsrzf 🇳🇿 941 51 743ms 21 days ago 29th pardouin 🇫🇷 941 51 745ms 19 days ago 29th xsot 🇸🇬 941 51 673ms 18 days ago 32nd bitsandbeyond 🇳🇱 940 51 268ms 31 Oct 2025 32nd pardouin 🇫🇷 940 51 225ms 18 days ago 32nd sean-niemann 🇺🇸 940 51 280ms 2 days ago 35th JayXon 🇺🇸 938 49 941ms 7 hours ago 36th stefangimmillaro 938 65 2ms 31 Oct 2025 36th ovs-code 🇩🇪 938 65 2ms 31 Oct 2025 36th bitsandbeyond 🇳🇱 938 65 2ms 1 Nov 2025 36th GolfingSuccess 🇬🇷 938 65 2ms 3 Nov 2025 36th pardouin 🇫🇷 938 65 2ms 21 days ago 36th sean-niemann 🇺🇸 938 65 2ms 18 days ago 36th xsot 🇸🇬 938 65 2ms 18 days ago 36th lukegustafson 🇺🇸 938 65 2ms 18 days ago 36th rhdqor213 938 65 2ms 14 days ago 45th GrayJoKing 🇦🇺 936 47 87ms 16 days ago 45th sean-niemann 🇺🇸 936 47 138ms 2 days ago 47th antimon2 🇯🇵 936 48 379ms 21 days ago 47th ovs-code 🇩🇪 936 48 389ms 21 days ago 49th MeWhenI 🇻🇦 935 31 47ms 21 Nov 2025 50th saito-ta 🇯🇵 935 50 83ms 5 Nov 2025 51st bitsandbeyond 🇳🇱 935 54 5ms 1 Nov 2025 51st GolfingSuccess 🇬🇷 935 54 6ms 3 Nov 2025 51st sean-niemann 🇺🇸 935 54 8ms 18 days ago 51st xsot 🇸🇬 935 54 15ms 18 days ago 55th canissimia 🇦🇶 934 49 565ms 17 Nov 2025 56th rucin93 🇵🇱 933 51 3ms 30 Oct 2025 56th GolfingSuccess 🇬🇷 933 51 2ms 30 Oct 2025 56th sean-niemann 🇺🇸 933 51 3ms 30 Oct 2025 56th Mukundan314 933 51 3ms 27 days ago 56th CaedenHarper 🇨🇦 933 51 3ms 21 days ago 56th edsrzf 🇳🇿 933 51 3ms 19 days ago 62nd xsot 🇸🇬 933 52 2ms 19 days ago 62nd sean-niemann 🇺🇸 933 52 2ms 18 days ago 64th xnor-gate 930 54 11ms 21 days ago 64th hellopir2 930 54 10ms 21 days ago 64th CornerMercury 🇬🇧 930 54 18ms 20 hours ago 67th sean-niemann 🇺🇸 928 54 83ms 18 days ago 68th 2bular 927 42 31ms 30 Oct 2025 69th JayXon 🇺🇸 927 53 99ms 6 hours ago 70th GolfingSuccess 🇬🇷 927 57 1ms 3 Nov 2025 70th sean-niemann 🇺🇸 927 57 2ms 18 days ago 72nd stefangimmillaro 925 66 4,516ms 31 Oct 2025 73rd sean-niemann 🇺🇸 925 69 397ms 31 Oct 2025 73rd stefangimmillaro 925 69 392ms 31 Oct 2025 73rd GolfingSuccess 🇬🇷 925 69 389ms 31 Oct 2025 73rd AdrienHache 🇫🇷 925 69 405ms 1 Nov 2025 73rd pardouin 🇫🇷 925 69 388ms 20 days ago 73rd DialFrost 🇸🇬 925 69 413ms 18 days ago 73rd KasperKivimaeki 🇫🇮 925 69 383ms 17 days ago 73rd JayXon 🇺🇸 925 69 406ms 6 hours ago 1–80 of 1,099 Next Last