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 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 🇺🇸 891 89 36ms 20 days ago 242nd CaedenHarper 🇨🇦 889 54 724ms 21 days ago 243rd sean-niemann 🇺🇸 889 64 5ms 20 days ago 244th edsrzf 🇳🇿 889 67 101ms 31 Oct 2025 244th DialFrost 🇸🇬 889 67 104ms 20 days ago 246th Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 246th MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 246th snoozingnewt 🇨🇦 889 79 439ms 23 days ago 249th Shanethegamer 🇺🇸 888 66 1,247ms 3 Nov 2025 249th edsrzf 🇳🇿 888 66 1,434ms 21 days ago 251st Shanethegamer 🇺🇸 888 83 362ms 3 Nov 2025 251st MeWhenI 🇻🇦 888 83 361ms 23 Nov 2025 253rd sean-niemann 🇺🇸 887 49 137ms 20 days ago 254th MeWhenI 🇻🇦 887 75 11ms 23 Nov 2025 255th MeWhenI 🇻🇦 887 79 7ms 24 Nov 2025 255th Shanethegamer 🇺🇸 887 79 4ms 24 Nov 2025 255th AlephSquirrel 887 79 4ms 21 days ago 258th Shanethegamer 🇺🇸 887 87 72ms 4 Nov 2025 258th snyderek 🇺🇸 887 87 80ms 20 days ago 258th fuzzylojik-golf 🇺🇸 887 87 82ms 19 days ago 258th emgordon154 887 87 69ms 34 hours ago 262nd stefangimmillaro 886 57 5ms 31 Oct 2025 263rd snoozingnewt 🇨🇦 886 69 4,346ms 21 days ago 264th Yax42 🇫🇷 886 72 391ms 22 days ago 264th fuzzylojik-golf 🇺🇸 886 72 411ms 19 days ago 266th edsrzf 🇳🇿 886 96 2ms 23 days ago 267th antimon2 🇯🇵 885 48 379ms 23 days ago 267th ovs-code 🇩🇪 885 48 389ms 23 days ago 269th KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 269th DialFrost 🇸🇬 884 50 9ms 20 days ago 271st fuzzylojik-golf 🇺🇸 884 69 2ms 19 days ago 271st emgordon154 884 69 2ms 34 hours ago 273rd dokutan 883 54 3ms 23 days ago 274th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 275th bitsandbeyond 🇳🇱 882 60 2ms 2 Nov 2025 275th Shanethegamer 🇺🇸 882 60 2ms 3 Nov 2025 275th MeWhenI 🇻🇦 882 60 2ms 24 Nov 2025 275th FlyingPenguin223 882 60 2ms 18 days ago 279th edsrzf 🇳🇿 882 87 26ms 21 days ago 280th bitsandbeyond 🇳🇱 881 57 81ms 5 Nov 2025 280th MeWhenI 🇻🇦 881 57 84ms 23 Nov 2025 280th snoozingnewt 🇨🇦 881 57 80ms 23 days ago 280th CaedenHarper 🇨🇦 881 57 83ms 22 days ago 284th m-tkach 🇺🇦 881 90 32ms 20 days ago 284th edsrzf 🇳🇿 881 90 31ms 20 days ago 286th edsrzf 🇳🇿 881 116 427ms 18 days ago 287th AlephSquirrel 880 56 11ms 30 Oct 2025 287th bizy-coder 880 56 13ms 25 days ago 287th zacjl 880 56 12ms 21 days ago 287th klixel 🇨🇦 880 56 11ms 14 days ago 291st GolfingSuccess 🇬🇷 879 54 535ms 31 Oct 2025 292nd sean-niemann 🇺🇸 878 60 145ms 20 days ago 293rd Shanethegamer 🇺🇸 878 62 291ms 3 Nov 2025 293rd MeWhenI 🇻🇦 878 62 120ms 24 Nov 2025 293rd edsrzf 🇳🇿 878 62 181ms 21 days ago 296th fuzzylojik-golf 🇺🇸 878 80 385ms 19 days ago 297th stefangimmillaro 877 51 36ms 30 Oct 2025 297th GrayJoKing 🇦🇺 877 51 38ms 18 days ago 299th snoozingnewt 🇨🇦 877 94 258ms 21 days ago 300th Shanethegamer 🇺🇸 876 68 119ms 4 Nov 2025 301st snoozingnewt 🇨🇦 876 78 39ms 10 days ago 302nd bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 303rd MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 304th sean-niemann 🇺🇸 874 67 1,225ms 20 days ago 305th Shanethegamer 🇺🇸 874 73 341ms 4 Nov 2025 305th MeWhenI 🇻🇦 874 73 378ms 21 Nov 2025 305th CaedenHarper 🇨🇦 874 73 393ms 23 days ago 308th DialFrost 🇸🇬 873 55 724ms 20 days ago 309th Shanethegamer 🇺🇸 873 70 4,400ms 4 Nov 2025 309th MeWhenI 🇻🇦 873 70 3,684ms 24 Nov 2025 309th CaedenHarper 🇨🇦 873 70 4,095ms 22 days ago 309th blaztoma 🇱🇹 873 70 4,405ms 20 days ago 313th pardouin 🇫🇷 872 88 26ms 20 days ago 314th Shanethegamer 🇺🇸 871 70 2ms 4 Nov 2025 314th MeWhenI 🇻🇦 871 70 2ms 21 Nov 2025 316th dokutan 871 91 28ms 20 days ago 317th JayXon 🇺🇸 870 119 1,909ms 36 hours ago 318th albanian-laundromat 869 220 12ms 17 days ago 319th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 320th MeWhenI 🇻🇦 868 75 121ms 23 Nov 2025 First Prev 241–320 of 1,102 Next Last