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 240th snyderek 🇺🇸 886 87 80ms 16 days ago 240th fuzzylojik-golf 🇺🇸 886 87 82ms 15 days ago 243rd snoozingnewt 🇨🇦 886 94 258ms 17 days ago 244th edsrzf 🇳🇿 886 96 2ms 19 days ago 245th snoozingnewt 🇨🇦 885 69 4,346ms 17 days ago 246th Yax42 🇫🇷 885 72 391ms 18 days ago 246th fuzzylojik-golf 🇺🇸 885 72 411ms 15 days ago 248th KasperKivimaeki 🇫🇮 883 50 9ms 31 Oct 2025 248th DialFrost 🇸🇬 883 50 9ms 16 days ago 250th fuzzylojik-golf 🇺🇸 883 69 2ms 15 days ago 251st bitsandbeyond 🇳🇱 882 53 798ms 1 Nov 2025 252nd bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 253rd MeWhenI 🇻🇦 882 76 11ms 25 days ago 254th edsrzf 🇳🇿 882 87 26ms 17 days ago 255th dokutan 881 54 3ms 19 days ago 256th bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 256th Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 256th MeWhenI 🇻🇦 881 60 2ms 24 days ago 256th FlyingPenguin223 881 60 2ms 15 days ago 260th m-tkach 🇺🇦 881 90 32ms 17 days ago 260th edsrzf 🇳🇿 881 90 31ms 16 days ago 262nd edsrzf 🇳🇿 881 116 427ms 14 days ago 263rd kg583 🇺🇸 880 57 11ms 30 Oct 2025 263rd KasperKivimaeki 🇫🇮 880 57 11ms 30 Oct 2025 263rd edsrzf 🇳🇿 880 57 12ms 31 Oct 2025 263rd Shanethegamer 🇺🇸 880 57 11ms 3 Nov 2025 263rd 4atj 880 57 12ms 5 Nov 2025 263rd bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 263rd MeWhenI 🇻🇦 880 57 11ms 27 days ago 263rd MeWhenI 🇻🇦 880 57 84ms 25 days ago 263rd snoozingnewt 🇨🇦 880 57 80ms 19 days ago 263rd CaedenHarper 🇨🇦 880 57 11ms 19 days ago 263rd CaedenHarper 🇨🇦 880 57 83ms 18 days ago 263rd blaztoma 🇱🇹 880 57 12ms 18 days ago 263rd FortuiteMan 🇫🇷 880 57 11ms 17 days ago 263rd KatieLG 🇬🇧 880 57 11ms 17 days ago 263rd ryyyn 🇺🇸 880 57 11ms 17 days ago 263rd DialFrost 🇸🇬 880 57 11ms 16 days ago 263rd fuzzylojik-golf 🇺🇸 880 57 11ms 15 days ago 263rd luuumine 🇫🇷 880 57 12ms 15 days ago 263rd starfihs 880 57 11ms 14 days ago 263rd qpwoeirut 880 57 11ms 11 days ago 263rd dominikvytisk 880 57 11ms 10 days ago 284th sean-niemann 🇺🇸 880 72 13ms 14 hours ago 285th AlephSquirrel 878 56 444ms 30 Oct 2025 285th MeWhenI 🇻🇦 878 56 393ms 25 days ago 285th CaedenHarper 🇨🇦 878 56 459ms 19 days ago 288th sean-niemann 🇺🇸 878 60 145ms 16 days ago 289th fuzzylojik-golf 🇺🇸 877 80 385ms 15 days ago 290th stefangimmillaro 876 51 53ms 30 Oct 2025 290th GrayJoKing 🇦🇺 876 51 38ms 14 days ago 292nd snoozingnewt 🇨🇦 876 78 39ms 6 days ago 293rd CaedenHarper 🇨🇦 876 95 290ms 13 days ago 294th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 295th MeWhenI 🇻🇦 874 37 2ms 27 days ago 296th Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 297th DialFrost 🇸🇬 873 55 724ms 16 days ago 298th Shanethegamer 🇺🇸 873 73 341ms 4 Nov 2025 298th MeWhenI 🇻🇦 873 73 378ms 27 days ago 298th CaedenHarper 🇨🇦 873 73 393ms 19 days ago 301st MeWhenI 🇻🇦 872 69 1,248ms 25 days ago 302nd Shanethegamer 🇺🇸 872 70 4,400ms 4 Nov 2025 302nd MeWhenI 🇻🇦 872 70 3,684ms 24 days ago 302nd CaedenHarper 🇨🇦 872 70 4,095ms 18 days ago 302nd blaztoma 🇱🇹 872 70 4,405ms 16 days ago 306th pardouin 🇫🇷 872 88 26ms 17 days ago 307th MeWhenI 🇻🇦 872 104 17ms 25 days ago 308th dokutan 871 91 28ms 17 days ago 309th Shanethegamer 🇺🇸 870 70 2ms 4 Nov 2025 309th MeWhenI 🇻🇦 870 70 2ms 27 days ago 311th albanian-laundromat 869 220 12ms 13 days ago 312th rucin93 🇵🇱 868 51 124ms 31 Oct 2025 312th GolfingSuccess 🇬🇷 868 51 130ms 3 Nov 2025 314th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 315th MeWhenI 🇻🇦 867 75 121ms 25 days ago 315th emgordon154 867 75 115ms 22 days ago 317th MeWhenI 🇻🇦 867 89 74ms 27 days ago 318th KatieLG 🇬🇧 867 98 2ms 17 days ago 319th targrik 866 51 9ms 30 Oct 2025 319th luuumine 🇫🇷 866 51 8ms 14 days ago First Prev 241–320 of 1,078 Next Last