The Calendar hole will go live in approximately 12 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 snoozingnewt 🇨🇦 886 94 258ms 18 days ago 242nd edsrzf 🇳🇿 886 96 2ms 20 days ago 243rd snoozingnewt 🇨🇦 885 69 4,346ms 18 days ago 244th Yax42 🇫🇷 885 72 391ms 19 days ago 244th fuzzylojik-golf 🇺🇸 885 72 411ms 17 days ago 246th KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 246th DialFrost 🇸🇬 884 50 9ms 17 days ago 248th fuzzylojik-golf 🇺🇸 883 69 2ms 17 days ago 249th MeWhenI 🇻🇦 883 75 11ms 26 days ago 250th bitsandbeyond 🇳🇱 882 53 798ms 1 Nov 2025 251st bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 252nd edsrzf 🇳🇿 882 87 26ms 18 days ago 253rd dokutan 881 54 3ms 20 days ago 254th bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 254th Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 254th MeWhenI 🇻🇦 881 60 2ms 25 days ago 254th FlyingPenguin223 881 60 2ms 16 days ago 258th m-tkach 🇺🇦 881 90 32ms 18 days ago 258th edsrzf 🇳🇿 881 90 31ms 17 days ago 260th edsrzf 🇳🇿 881 116 427ms 15 days ago 261st AlephSquirrel 880 56 11ms 30 Oct 2025 261st bizy-coder 880 56 13ms 23 days ago 261st zacjl 880 56 12ms 19 days ago 261st klixel 🇨🇦 880 56 11ms 12 days ago 265th bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 265th MeWhenI 🇻🇦 880 57 84ms 26 days ago 265th snoozingnewt 🇨🇦 880 57 80ms 21 days ago 265th CaedenHarper 🇨🇦 880 57 83ms 19 days ago 269th GolfingSuccess 🇬🇷 878 54 535ms 31 Oct 2025 269th emgordon154 878 54 389ms 25 days ago 271st sean-niemann 🇺🇸 878 60 145ms 17 days ago 272nd fuzzylojik-golf 🇺🇸 877 80 385ms 17 days ago 273rd stefangimmillaro 876 51 53ms 30 Oct 2025 273rd GrayJoKing 🇦🇺 876 51 38ms 16 days ago 275th snoozingnewt 🇨🇦 876 78 39ms 8 days ago 276th CaedenHarper 🇨🇦 876 95 290ms 15 days ago 277th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 278th MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 279th Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 280th DialFrost 🇸🇬 873 55 724ms 17 days ago 281st Shanethegamer 🇺🇸 873 73 341ms 4 Nov 2025 281st MeWhenI 🇻🇦 873 73 378ms 21 Nov 2025 281st CaedenHarper 🇨🇦 873 73 393ms 20 days ago 284th MeWhenI 🇻🇦 872 69 1,248ms 26 days ago 285th Shanethegamer 🇺🇸 872 70 4,400ms 4 Nov 2025 285th MeWhenI 🇻🇦 872 70 3,684ms 25 days ago 285th CaedenHarper 🇨🇦 872 70 4,095ms 19 days ago 285th blaztoma 🇱🇹 872 70 4,405ms 17 days ago 289th pardouin 🇫🇷 872 88 26ms 18 days ago 290th MeWhenI 🇻🇦 872 104 17ms 26 days ago 291st dokutan 871 91 28ms 18 days ago 292nd Shanethegamer 🇺🇸 870 70 2ms 4 Nov 2025 292nd MeWhenI 🇻🇦 870 70 2ms 21 Nov 2025 294th albanian-laundromat 869 220 12ms 14 days ago 295th rucin93 🇵🇱 868 51 124ms 31 Oct 2025 295th GolfingSuccess 🇬🇷 868 51 130ms 3 Nov 2025 297th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 298th MeWhenI 🇻🇦 867 75 121ms 26 days ago 298th emgordon154 867 75 115ms 23 days ago 300th MeWhenI 🇻🇦 867 89 74ms 21 Nov 2025 301st KatieLG 🇬🇧 867 98 2ms 18 days ago 302nd targrik 866 51 9ms 30 Oct 2025 302nd luuumine 🇫🇷 866 51 8ms 16 days ago 304th MeWhenI 🇻🇦 866 54 779ms 26 days ago 305th albanian-laundromat 866 72 88ms 2 days ago 306th MeWhenI 🇻🇦 865 79 57ms 26 days ago 307th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 307th sean-niemann 🇺🇸 865 88 11ms 39 hours ago 309th KasperKivimaeki 🇫🇮 864 57 11ms 30 Oct 2025 309th edsrzf 🇳🇿 864 57 12ms 31 Oct 2025 309th Shanethegamer 🇺🇸 864 57 11ms 3 Nov 2025 309th 4atj 864 57 12ms 5 Nov 2025 309th MeWhenI 🇻🇦 864 57 11ms 21 Nov 2025 309th CaedenHarper 🇨🇦 864 57 11ms 20 days ago 309th blaztoma 🇱🇹 864 57 12ms 19 days ago 309th FortuiteMan 🇫🇷 864 57 11ms 19 days ago 309th KatieLG 🇬🇧 864 57 11ms 18 days ago 309th ryyyn 🇺🇸 864 57 11ms 18 days ago 309th DialFrost 🇸🇬 864 57 11ms 17 days ago 309th fuzzylojik-golf 🇺🇸 864 57 11ms 17 days ago First Prev 241–320 of 1,073 Next Last