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 17 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 18 days ago 7th edsrzf 🇳🇿 967 30 42ms 14 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 18 days ago 9th JayXon 🇺🇸 965 52 13ms 63 mins ago 15th pardouin 🇫🇷 960 46 9ms 21 days ago 15th lukegustafson 🇺🇸 960 46 9ms 18 days ago 17th AdrienHache 🇫🇷 952 42 50ms 19 days ago 18th pardouin 🇫🇷 951 47 61ms 1 Nov 2025 18th radarek 🇵🇱 951 47 45ms 18 days ago 20th ovs-code 🇩🇪 950 41 34ms 21 days ago 21st GrayJoKing 🇦🇺 947 40 4ms 14 days ago 22nd pardouin 🇫🇷 947 52 376ms 1 Nov 2025 22nd JayXon 🇺🇸 947 52 488ms 46 mins ago 24th saito-ta 🇯🇵 945 45 2ms 31 Oct 2025 25th pardouin 🇫🇷 942 47 123ms 21 days ago 26th edsrzf 🇳🇿 941 51 743ms 21 days ago 26th pardouin 🇫🇷 941 51 745ms 19 days ago 26th xsot 🇸🇬 941 51 673ms 17 days ago 29th bitsandbeyond 🇳🇱 940 51 268ms 31 Oct 2025 29th pardouin 🇫🇷 940 51 225ms 18 days ago 29th sean-niemann 🇺🇸 940 51 280ms 45 hours ago 32nd stefangimmillaro 937 65 2ms 31 Oct 2025 32nd ovs-code 🇩🇪 937 65 2ms 31 Oct 2025 32nd bitsandbeyond 🇳🇱 937 65 2ms 1 Nov 2025 32nd GolfingSuccess 🇬🇷 937 65 2ms 3 Nov 2025 32nd pardouin 🇫🇷 937 65 2ms 20 days ago 32nd sean-niemann 🇺🇸 937 65 2ms 18 days ago 32nd xsot 🇸🇬 937 65 2ms 17 days ago 32nd lukegustafson 🇺🇸 937 65 2ms 17 days ago 32nd rhdqor213 937 65 2ms 14 days ago 41st GrayJoKing 🇦🇺 936 47 87ms 16 days ago 41st sean-niemann 🇺🇸 936 47 138ms 45 hours ago 43rd antimon2 🇯🇵 936 48 379ms 20 days ago 43rd ovs-code 🇩🇪 936 48 389ms 20 days ago 45th MeWhenI 🇻🇦 935 31 47ms 21 Nov 2025 46th stefangimmillaro 935 50 750ms 30 Oct 2025 46th pardouin 🇫🇷 935 50 774ms 1 Nov 2025 46th saito-ta 🇯🇵 935 50 83ms 5 Nov 2025 46th sean-niemann 🇺🇸 935 50 813ms 18 days ago 50th bitsandbeyond 🇳🇱 935 54 5ms 1 Nov 2025 50th GolfingSuccess 🇬🇷 935 54 6ms 3 Nov 2025 50th sean-niemann 🇺🇸 935 54 8ms 18 days ago 50th xsot 🇸🇬 935 54 15ms 17 days ago 54th canissimia 🇦🇶 934 49 565ms 17 Nov 2025 55th rucin93 🇵🇱 933 51 3ms 30 Oct 2025 55th GolfingSuccess 🇬🇷 933 51 2ms 30 Oct 2025 55th sean-niemann 🇺🇸 933 51 3ms 30 Oct 2025 55th Mukundan314 933 51 3ms 26 days ago 55th CaedenHarper 🇨🇦 933 51 3ms 20 days ago 55th edsrzf 🇳🇿 933 51 3ms 18 days ago 61st xsot 🇸🇬 933 52 2ms 18 days ago 61st sean-niemann 🇺🇸 933 52 2ms 18 days ago 63rd xnor-gate 929 54 11ms 20 days ago 63rd hellopir2 929 54 10ms 20 days ago 63rd CornerMercury 🇬🇧 929 54 18ms 8 hours ago 66th sean-niemann 🇺🇸 928 54 83ms 18 days ago 67th 2bular 927 42 31ms 30 Oct 2025 68th GolfingSuccess 🇬🇷 927 57 1ms 3 Nov 2025 68th sean-niemann 🇺🇸 927 57 2ms 18 days ago 70th stefangimmillaro 925 66 4,516ms 31 Oct 2025 71st 2bular 924 35 4ms 1 Nov 2025 72nd bitsandbeyond 🇳🇱 924 46 3ms 2 Nov 2025 72nd sean-niemann 🇺🇸 924 46 3ms 17 days ago 72nd xsot 🇸🇬 924 46 2ms 17 days ago 75th ovs-code 🇩🇪 924 57 66ms 13 days ago 76th sean-niemann 🇺🇸 924 69 397ms 31 Oct 2025 76th stefangimmillaro 924 69 392ms 31 Oct 2025 76th GolfingSuccess 🇬🇷 924 69 389ms 31 Oct 2025 76th AdrienHache 🇫🇷 924 69 405ms 1 Nov 2025 76th pardouin 🇫🇷 924 69 388ms 20 days ago 1–80 of 1,088 Next Last