The Calendar hole will go live in approximately 3 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 241st edsrzf 🇳🇿 895 79 78ms 27 days ago 242nd m-tkach 🇺🇦 895 95 2ms 27 days ago 243rd ovs-code 🇩🇪 894 50 37ms 28 Nov 2025 243rd sean-niemann 🇺🇸 894 50 43ms 26 days ago 245th sean-niemann 🇺🇸 894 86 26ms 26 days ago 246th sean-niemann 🇺🇸 891 89 36ms 26 days ago 247th MeWhenI 🇻🇦 890 76 11ms 23 Nov 2025 248th lyphyser 889 45 54ms 23 days ago 249th CaedenHarper 🇨🇦 889 54 724ms 27 days ago 250th sean-niemann 🇺🇸 889 64 5ms 26 days ago 251st edsrzf 🇳🇿 889 67 101ms 31 Oct 2025 251st DialFrost 🇸🇬 889 67 104ms 26 days ago 253rd Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 253rd MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 253rd snoozingnewt 🇨🇦 889 79 439ms 28 Nov 2025 256th Shanethegamer 🇺🇸 888 66 1,247ms 3 Nov 2025 256th edsrzf 🇳🇿 888 66 1,434ms 27 days ago 258th Shanethegamer 🇺🇸 888 83 362ms 3 Nov 2025 258th MeWhenI 🇻🇦 888 83 361ms 23 Nov 2025 260th Shanethegamer 🇺🇸 888 87 64ms 4 Nov 2025 260th snyderek 🇺🇸 888 87 54ms 26 days ago 260th fuzzylojik-golf 🇺🇸 888 87 65ms 25 days ago 260th emgordon154 888 87 65ms 7 days ago 264th sean-niemann 🇺🇸 887 50 126ms 26 days ago 265th snoozingnewt 🇨🇦 887 69 3,087ms 27 days ago 266th MeWhenI 🇻🇦 887 79 7ms 24 Nov 2025 266th Shanethegamer 🇺🇸 887 79 4ms 24 Nov 2025 266th AlephSquirrel 887 79 4ms 27 days ago 269th stefangimmillaro 886 57 5ms 31 Oct 2025 270th Yax42 🇫🇷 886 72 391ms 29 Nov 2025 270th fuzzylojik-golf 🇺🇸 886 72 376ms 25 days ago 272nd edsrzf 🇳🇿 886 96 2ms 28 Nov 2025 273rd antimon2 🇯🇵 885 48 321ms 29 Nov 2025 273rd ovs-code 🇩🇪 885 48 333ms 29 Nov 2025 275th KasperKivimaeki 🇫🇮 885 50 9ms 31 Oct 2025 275th DialFrost 🇸🇬 885 50 9ms 26 days ago 277th fuzzylojik-golf 🇺🇸 885 69 2ms 25 days ago 277th emgordon154 885 69 2ms 7 days ago 279th dokutan 883 54 3ms 28 Nov 2025 280th bitsandbeyond 🇳🇱 883 60 2ms 2 Nov 2025 280th Shanethegamer 🇺🇸 883 60 2ms 3 Nov 2025 280th MeWhenI 🇻🇦 883 60 2ms 24 Nov 2025 280th FlyingPenguin223 883 60 2ms 25 days ago 284th edsrzf 🇳🇿 883 87 26ms 27 days ago 285th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 286th kg583 🇺🇸 881 57 11ms 30 Oct 2025 286th KasperKivimaeki 🇫🇮 881 57 11ms 30 Oct 2025 286th edsrzf 🇳🇿 881 57 12ms 31 Oct 2025 286th Shanethegamer 🇺🇸 881 57 11ms 3 Nov 2025 286th 4atj 881 57 12ms 5 Nov 2025 286th bitsandbeyond 🇳🇱 881 57 80ms 5 Nov 2025 286th MeWhenI 🇻🇦 881 57 11ms 21 Nov 2025 286th MeWhenI 🇻🇦 881 57 84ms 23 Nov 2025 286th snoozingnewt 🇨🇦 881 57 80ms 28 Nov 2025 286th CaedenHarper 🇨🇦 881 57 11ms 29 Nov 2025 286th CaedenHarper 🇨🇦 881 57 83ms 30 Nov 2025 286th blaztoma 🇱🇹 881 57 12ms 30 Nov 2025 286th FortuiteMan 🇫🇷 881 57 11ms 27 days ago 286th KatieLG 🇬🇧 881 57 11ms 27 days ago 286th ryyyn 🇺🇸 881 57 11ms 27 days ago 286th DialFrost 🇸🇬 881 57 11ms 26 days ago 286th fuzzylojik-golf 🇺🇸 881 57 11ms 25 days ago 286th luuumine 🇫🇷 881 57 12ms 25 days ago 286th starfihs 881 57 11ms 24 days ago 286th qpwoeirut 881 57 11ms 21 days ago 286th dominikvytisk 881 57 11ms 20 days ago 286th emgordon154 881 57 12ms 8 days ago 286th Natanaelel 🇸🇪 881 57 12ms 3 days ago 309th m-tkach 🇺🇦 881 90 32ms 27 days ago 309th edsrzf 🇳🇿 881 90 31ms 26 days ago 311th edsrzf 🇳🇿 881 116 427ms 24 days ago 312th AlephSquirrel 880 56 444ms 30 Oct 2025 312th MeWhenI 🇻🇦 880 56 393ms 23 Nov 2025 312th CaedenHarper 🇨🇦 880 56 459ms 29 Nov 2025 315th sean-niemann 🇺🇸 880 72 5ms 10 days ago 316th sean-niemann 🇺🇸 878 60 145ms 26 days ago 317th Shanethegamer 🇺🇸 878 62 291ms 3 Nov 2025 317th MeWhenI 🇻🇦 878 62 120ms 24 Nov 2025 317th edsrzf 🇳🇿 878 62 181ms 27 days ago 320th fuzzylojik-golf 🇺🇸 878 80 385ms 25 days ago First Prev 241–320 of 1,132 Next Last