The Calendar hole will go live in approximately 6 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 240th sean-niemann 🇺🇸 894 50 43ms 23 days ago 242nd sean-niemann 🇺🇸 894 86 26ms 23 days ago 243rd sean-niemann 🇺🇸 891 89 36ms 23 days ago 244th MeWhenI 🇻🇦 890 76 11ms 23 Nov 2025 245th lyphyser 889 45 54ms 20 days ago 246th CaedenHarper 🇨🇦 889 54 724ms 24 days ago 247th sean-niemann 🇺🇸 889 64 5ms 23 days ago 248th edsrzf 🇳🇿 889 67 101ms 31 Oct 2025 248th DialFrost 🇸🇬 889 67 104ms 23 days ago 250th Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 250th MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 250th snoozingnewt 🇨🇦 889 79 439ms 27 days ago 253rd Shanethegamer 🇺🇸 888 66 1,247ms 3 Nov 2025 253rd edsrzf 🇳🇿 888 66 1,434ms 24 days ago 255th Shanethegamer 🇺🇸 888 83 362ms 3 Nov 2025 255th MeWhenI 🇻🇦 888 83 361ms 23 Nov 2025 257th sean-niemann 🇺🇸 887 50 126ms 23 days ago 258th snoozingnewt 🇨🇦 887 69 3,087ms 24 days ago 259th MeWhenI 🇻🇦 887 79 7ms 24 Nov 2025 259th Shanethegamer 🇺🇸 887 79 4ms 24 Nov 2025 259th AlephSquirrel 887 79 4ms 24 days ago 262nd Shanethegamer 🇺🇸 887 87 64ms 4 Nov 2025 262nd snyderek 🇺🇸 887 87 54ms 23 days ago 262nd fuzzylojik-golf 🇺🇸 887 87 65ms 23 days ago 262nd emgordon154 887 87 65ms 4 days ago 266th stefangimmillaro 886 57 5ms 31 Oct 2025 267th Yax42 🇫🇷 886 72 391ms 25 days ago 267th fuzzylojik-golf 🇺🇸 886 72 376ms 22 days ago 269th edsrzf 🇳🇿 886 96 2ms 26 days ago 270th antimon2 🇯🇵 885 48 363ms 26 days ago 270th ovs-code 🇩🇪 885 48 333ms 26 days ago 272nd KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 272nd DialFrost 🇸🇬 884 50 9ms 23 days ago 274th fuzzylojik-golf 🇺🇸 884 69 2ms 23 days ago 274th emgordon154 884 69 2ms 4 days ago 276th dokutan 883 54 3ms 26 days ago 277th edsrzf 🇳🇿 883 87 26ms 24 days ago 278th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 279th bitsandbeyond 🇳🇱 882 60 2ms 2 Nov 2025 279th Shanethegamer 🇺🇸 882 60 2ms 3 Nov 2025 279th MeWhenI 🇻🇦 882 60 2ms 24 Nov 2025 279th FlyingPenguin223 882 60 2ms 22 days ago 283rd kg583 🇺🇸 881 57 11ms 30 Oct 2025 283rd KasperKivimaeki 🇫🇮 881 57 11ms 30 Oct 2025 283rd edsrzf 🇳🇿 881 57 12ms 31 Oct 2025 283rd Shanethegamer 🇺🇸 881 57 11ms 3 Nov 2025 283rd 4atj 881 57 12ms 5 Nov 2025 283rd bitsandbeyond 🇳🇱 881 57 80ms 5 Nov 2025 283rd MeWhenI 🇻🇦 881 57 11ms 21 Nov 2025 283rd MeWhenI 🇻🇦 881 57 84ms 23 Nov 2025 283rd snoozingnewt 🇨🇦 881 57 80ms 27 days ago 283rd CaedenHarper 🇨🇦 881 57 11ms 26 days ago 283rd CaedenHarper 🇨🇦 881 57 83ms 25 days ago 283rd blaztoma 🇱🇹 881 57 12ms 25 days ago 283rd FortuiteMan 🇫🇷 881 57 11ms 24 days ago 283rd KatieLG 🇬🇧 881 57 11ms 24 days ago 283rd ryyyn 🇺🇸 881 57 11ms 24 days ago 283rd DialFrost 🇸🇬 881 57 11ms 23 days ago 283rd fuzzylojik-golf 🇺🇸 881 57 11ms 23 days ago 283rd luuumine 🇫🇷 881 57 12ms 22 days ago 283rd starfihs 881 57 11ms 21 days ago 283rd qpwoeirut 881 57 11ms 18 days ago 283rd dominikvytisk 881 57 11ms 17 days ago 283rd emgordon154 881 57 12ms 5 days ago 283rd Natanaelel 🇸🇪 881 57 12ms 7 hours ago 306th m-tkach 🇺🇦 881 90 32ms 24 days ago 306th edsrzf 🇳🇿 881 90 31ms 23 days ago 308th edsrzf 🇳🇿 881 116 427ms 21 days ago 309th AlephSquirrel 880 56 444ms 30 Oct 2025 309th MeWhenI 🇻🇦 880 56 393ms 23 Nov 2025 309th CaedenHarper 🇨🇦 880 56 459ms 26 days ago 312th sean-niemann 🇺🇸 880 72 5ms 7 days ago 313th sean-niemann 🇺🇸 878 60 145ms 23 days ago 314th Shanethegamer 🇺🇸 878 62 291ms 3 Nov 2025 314th MeWhenI 🇻🇦 878 62 120ms 24 Nov 2025 314th edsrzf 🇳🇿 878 62 181ms 24 days ago 317th fuzzylojik-golf 🇺🇸 878 80 385ms 22 days ago 318th snoozingnewt 🇨🇦 878 94 258ms 24 days ago 319th stefangimmillaro 877 51 37ms 30 Oct 2025 319th GrayJoKing 🇦🇺 877 51 59ms 21 days ago First Prev 241–320 of 1,126 Next Last