The Calendar hole will go live in approximately 9 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 sean-niemann 🇺🇸 892 86 26ms 20 days ago 242nd sean-niemann 🇺🇸 891 89 36ms 20 days ago 243rd lyphyser 889 45 54ms 18 days ago 244th CaedenHarper 🇨🇦 889 54 724ms 21 days ago 245th sean-niemann 🇺🇸 889 64 5ms 20 days ago 246th edsrzf 🇳🇿 889 67 101ms 31 Oct 2025 246th DialFrost 🇸🇬 889 67 104ms 20 days ago 248th Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 248th MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 248th snoozingnewt 🇨🇦 889 79 439ms 24 days ago 251st Shanethegamer 🇺🇸 888 66 1,247ms 3 Nov 2025 251st edsrzf 🇳🇿 888 66 1,434ms 21 days ago 253rd Shanethegamer 🇺🇸 888 83 362ms 3 Nov 2025 253rd MeWhenI 🇻🇦 888 83 361ms 23 Nov 2025 255th sean-niemann 🇺🇸 887 50 126ms 20 days ago 256th MeWhenI 🇻🇦 887 76 11ms 23 Nov 2025 257th MeWhenI 🇻🇦 887 79 7ms 24 Nov 2025 257th Shanethegamer 🇺🇸 887 79 4ms 24 Nov 2025 257th AlephSquirrel 887 79 4ms 21 days ago 260th Shanethegamer 🇺🇸 887 87 72ms 4 Nov 2025 260th snyderek 🇺🇸 887 87 80ms 20 days ago 260th fuzzylojik-golf 🇺🇸 887 87 82ms 20 days ago 260th emgordon154 887 87 69ms 43 hours ago 264th stefangimmillaro 886 57 5ms 31 Oct 2025 265th snoozingnewt 🇨🇦 886 69 4,346ms 21 days ago 266th Yax42 🇫🇷 886 72 391ms 22 days ago 266th fuzzylojik-golf 🇺🇸 886 72 411ms 20 days ago 268th edsrzf 🇳🇿 886 96 2ms 23 days ago 269th antimon2 🇯🇵 885 48 379ms 23 days ago 269th ovs-code 🇩🇪 885 48 389ms 23 days ago 271st KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 271st DialFrost 🇸🇬 884 50 9ms 20 days ago 273rd fuzzylojik-golf 🇺🇸 884 69 2ms 20 days ago 273rd emgordon154 884 69 2ms 43 hours ago 275th dokutan 883 54 3ms 23 days ago 276th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 277th bitsandbeyond 🇳🇱 882 60 2ms 2 Nov 2025 277th Shanethegamer 🇺🇸 882 60 2ms 3 Nov 2025 277th MeWhenI 🇻🇦 882 60 2ms 24 Nov 2025 277th FlyingPenguin223 882 60 2ms 19 days ago 281st edsrzf 🇳🇿 882 87 26ms 21 days ago 282nd kg583 🇺🇸 881 57 11ms 30 Oct 2025 282nd KasperKivimaeki 🇫🇮 881 57 11ms 30 Oct 2025 282nd edsrzf 🇳🇿 881 57 12ms 31 Oct 2025 282nd Shanethegamer 🇺🇸 881 57 11ms 3 Nov 2025 282nd 4atj 881 57 12ms 5 Nov 2025 282nd bitsandbeyond 🇳🇱 881 57 81ms 5 Nov 2025 282nd MeWhenI 🇻🇦 881 57 11ms 21 Nov 2025 282nd MeWhenI 🇻🇦 881 57 84ms 23 Nov 2025 282nd snoozingnewt 🇨🇦 881 57 80ms 24 days ago 282nd CaedenHarper 🇨🇦 881 57 11ms 23 days ago 282nd CaedenHarper 🇨🇦 881 57 83ms 22 days ago 282nd blaztoma 🇱🇹 881 57 12ms 22 days ago 282nd FortuiteMan 🇫🇷 881 57 11ms 21 days ago 282nd KatieLG 🇬🇧 881 57 11ms 21 days ago 282nd ryyyn 🇺🇸 881 57 11ms 21 days ago 282nd DialFrost 🇸🇬 881 57 11ms 20 days ago 282nd fuzzylojik-golf 🇺🇸 881 57 11ms 20 days ago 282nd luuumine 🇫🇷 881 57 12ms 19 days ago 282nd starfihs 881 57 11ms 18 days ago 282nd qpwoeirut 881 57 11ms 15 days ago 282nd dominikvytisk 881 57 11ms 14 days ago 282nd emgordon154 881 57 12ms 2 days ago 304th m-tkach 🇺🇦 881 90 32ms 21 days ago 304th edsrzf 🇳🇿 881 90 31ms 20 days ago 306th edsrzf 🇳🇿 881 116 427ms 18 days ago 307th sean-niemann 🇺🇸 880 72 13ms 4 days ago 308th AlephSquirrel 879 56 444ms 30 Oct 2025 308th MeWhenI 🇻🇦 879 56 393ms 23 Nov 2025 308th CaedenHarper 🇨🇦 879 56 459ms 23 days ago 311th sean-niemann 🇺🇸 878 60 145ms 20 days ago 312th Shanethegamer 🇺🇸 878 62 291ms 3 Nov 2025 312th MeWhenI 🇻🇦 878 62 120ms 24 Nov 2025 312th edsrzf 🇳🇿 878 62 181ms 21 days ago 315th fuzzylojik-golf 🇺🇸 878 80 385ms 20 days ago 316th stefangimmillaro 877 51 36ms 30 Oct 2025 316th GrayJoKing 🇦🇺 877 51 38ms 18 days ago 318th snoozingnewt 🇨🇦 877 94 258ms 21 days ago 319th Shanethegamer 🇺🇸 876 68 119ms 4 Nov 2025 320th snoozingnewt 🇨🇦 876 78 39ms 10 days ago First Prev 241–320 of 1,116 Next Last