The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Tower of Hanoi in all languages in chars. 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 Chars Time Submitted 241st sean-niemann 🇺🇸 892 86 26ms 19 days ago 242nd sean-niemann 🇺🇸 891 89 36ms 19 days ago 243rd CaedenHarper 🇨🇦 889 54 724ms 20 days ago 244th sean-niemann 🇺🇸 889 64 5ms 19 days ago 245th edsrzf 🇳🇿 889 67 101ms 31 Oct 2025 245th DialFrost 🇸🇬 889 67 104ms 19 days ago 247th Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 247th MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 247th snoozingnewt 🇨🇦 889 79 439ms 22 days ago 250th Shanethegamer 🇺🇸 888 83 362ms 3 Nov 2025 250th MeWhenI 🇻🇦 888 83 361ms 23 Nov 2025 252nd sean-niemann 🇺🇸 887 49 137ms 19 days ago 253rd MeWhenI 🇻🇦 887 75 11ms 23 Nov 2025 254th MeWhenI 🇻🇦 887 79 7ms 27 days ago 254th Shanethegamer 🇺🇸 887 79 4ms 27 days ago 254th AlephSquirrel 887 79 4ms 20 days ago 257th Shanethegamer 🇺🇸 887 87 72ms 4 Nov 2025 257th snyderek 🇺🇸 887 87 80ms 19 days ago 257th fuzzylojik-golf 🇺🇸 887 87 82ms 18 days ago 257th emgordon154 887 87 69ms 12 hours ago 261st stefangimmillaro 886 57 5ms 31 Oct 2025 262nd snoozingnewt 🇨🇦 886 69 4,346ms 20 days ago 263rd Yax42 🇫🇷 886 72 391ms 21 days ago 263rd fuzzylojik-golf 🇺🇸 886 72 411ms 18 days ago 265th edsrzf 🇳🇿 886 96 2ms 22 days ago 266th antimon2 🇯🇵 885 48 379ms 22 days ago 266th ovs-code 🇩🇪 885 48 389ms 22 days ago 268th KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 268th DialFrost 🇸🇬 884 50 9ms 19 days ago 270th fuzzylojik-golf 🇺🇸 884 69 2ms 18 days ago 270th emgordon154 884 69 2ms 12 hours ago 272nd dokutan 883 54 3ms 22 days ago 273rd bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 274th edsrzf 🇳🇿 882 87 26ms 20 days ago 275th bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 275th Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 275th MeWhenI 🇻🇦 881 60 2ms 27 days ago 275th FlyingPenguin223 881 60 2ms 17 days ago 279th m-tkach 🇺🇦 881 90 32ms 20 days ago 279th edsrzf 🇳🇿 881 90 31ms 19 days ago 281st edsrzf 🇳🇿 881 116 427ms 17 days ago 282nd AlephSquirrel 880 56 11ms 30 Oct 2025 282nd bizy-coder 880 56 13ms 24 days ago 282nd zacjl 880 56 12ms 20 days ago 282nd klixel 🇨🇦 880 56 11ms 13 days ago 286th bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 286th MeWhenI 🇻🇦 880 57 84ms 23 Nov 2025 286th snoozingnewt 🇨🇦 880 57 80ms 22 days ago 286th CaedenHarper 🇨🇦 880 57 83ms 21 days ago 290th GolfingSuccess 🇬🇷 879 54 535ms 31 Oct 2025 291st sean-niemann 🇺🇸 878 60 145ms 19 days ago 292nd fuzzylojik-golf 🇺🇸 878 80 385ms 18 days ago 293rd stefangimmillaro 877 51 53ms 30 Oct 2025 293rd GrayJoKing 🇦🇺 877 51 38ms 17 days ago 295th snoozingnewt 🇨🇦 877 94 258ms 20 days ago 296th Shanethegamer 🇺🇸 876 68 119ms 4 Nov 2025 297th snoozingnewt 🇨🇦 876 78 39ms 9 days ago 298th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 299th DialFrost 🇸🇬 875 76 16ms 13 hours ago 300th MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 301st Shanethegamer 🇺🇸 874 73 341ms 4 Nov 2025 301st MeWhenI 🇻🇦 874 73 378ms 21 Nov 2025 301st CaedenHarper 🇨🇦 874 73 393ms 22 days ago 304th DialFrost 🇸🇬 873 55 724ms 19 days ago 305th Shanethegamer 🇺🇸 873 70 4,400ms 4 Nov 2025 305th MeWhenI 🇻🇦 873 70 3,684ms 27 days ago 305th CaedenHarper 🇨🇦 873 70 4,095ms 21 days ago 305th blaztoma 🇱🇹 873 70 4,405ms 19 days ago 309th MeWhenI 🇻🇦 872 69 1,248ms 23 Nov 2025 310th pardouin 🇫🇷 872 88 26ms 19 days ago 311th Shanethegamer 🇺🇸 871 70 2ms 4 Nov 2025 311th MeWhenI 🇻🇦 871 70 2ms 21 Nov 2025 313th dokutan 871 91 28ms 19 days ago 314th JayXon 🇺🇸 870 119 1,909ms 13 hours ago 315th albanian-laundromat 869 220 12ms 16 days ago 316th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 317th MeWhenI 🇻🇦 868 75 121ms 23 Nov 2025 318th MeWhenI 🇻🇦 868 89 74ms 21 Nov 2025 319th CaedenHarper 🇨🇦 868 95 290ms 16 days ago 320th Shanethegamer 🇺🇸 867 49 420ms 3 Nov 2025 First Prev 241–320 of 1,098 Next Last