The Calendar hole will go live in approximately 11 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 Shanethegamer 🇺🇸 886 83 362ms 3 Nov 2025 241st MeWhenI 🇻🇦 886 83 361ms 26 days ago 243rd Shanethegamer 🇺🇸 886 87 72ms 4 Nov 2025 243rd snyderek 🇺🇸 886 87 80ms 17 days ago 243rd fuzzylojik-golf 🇺🇸 886 87 82ms 17 days ago 246th snoozingnewt 🇨🇦 886 94 258ms 19 days ago 247th edsrzf 🇳🇿 886 96 2ms 21 days ago 248th snoozingnewt 🇨🇦 885 69 4,346ms 19 days ago 249th Yax42 🇫🇷 885 72 391ms 20 days ago 249th fuzzylojik-golf 🇺🇸 885 72 411ms 17 days ago 251st KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 251st DialFrost 🇸🇬 884 50 9ms 18 days ago 253rd fuzzylojik-golf 🇺🇸 883 69 2ms 17 days ago 254th MeWhenI 🇻🇦 883 75 11ms 26 days ago 255th bitsandbeyond 🇳🇱 882 53 798ms 1 Nov 2025 256th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 257th edsrzf 🇳🇿 882 87 26ms 18 days ago 258th dokutan 881 54 3ms 21 days ago 259th bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 259th Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 259th MeWhenI 🇻🇦 881 60 2ms 25 days ago 259th FlyingPenguin223 881 60 2ms 16 days ago 263rd m-tkach 🇺🇦 881 90 32ms 18 days ago 263rd edsrzf 🇳🇿 881 90 31ms 18 days ago 265th edsrzf 🇳🇿 881 116 427ms 16 days ago 266th AlephSquirrel 880 56 11ms 30 Oct 2025 266th bizy-coder 880 56 13ms 23 days ago 266th zacjl 880 56 12ms 19 days ago 266th klixel 🇨🇦 880 56 11ms 12 days ago 270th bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 270th MeWhenI 🇻🇦 880 57 84ms 26 days ago 270th snoozingnewt 🇨🇦 880 57 80ms 21 days ago 270th CaedenHarper 🇨🇦 880 57 83ms 19 days ago 274th GolfingSuccess 🇬🇷 879 54 535ms 31 Oct 2025 274th emgordon154 879 54 389ms 25 days ago 276th sean-niemann 🇺🇸 878 60 145ms 18 days ago 277th fuzzylojik-golf 🇺🇸 877 80 385ms 17 days ago 278th stefangimmillaro 876 51 53ms 30 Oct 2025 278th GrayJoKing 🇦🇺 876 51 38ms 16 days ago 280th snoozingnewt 🇨🇦 876 78 39ms 8 days ago 281st CaedenHarper 🇨🇦 876 95 290ms 15 days ago 282nd bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 283rd MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 284th Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 285th DialFrost 🇸🇬 873 55 724ms 18 days ago 286th Shanethegamer 🇺🇸 873 73 341ms 4 Nov 2025 286th MeWhenI 🇻🇦 873 73 378ms 21 Nov 2025 286th CaedenHarper 🇨🇦 873 73 393ms 20 days ago 289th MeWhenI 🇻🇦 872 69 1,248ms 26 days ago 290th Shanethegamer 🇺🇸 872 70 4,400ms 4 Nov 2025 290th MeWhenI 🇻🇦 872 70 3,684ms 25 days ago 290th CaedenHarper 🇨🇦 872 70 4,095ms 19 days ago 290th blaztoma 🇱🇹 872 70 4,405ms 17 days ago 294th pardouin 🇫🇷 872 88 26ms 18 days ago 295th dokutan 871 91 28ms 18 days ago 296th Shanethegamer 🇺🇸 870 70 2ms 4 Nov 2025 296th MeWhenI 🇻🇦 870 70 2ms 21 Nov 2025 298th rucin93 🇵🇱 869 51 124ms 31 Oct 2025 298th GolfingSuccess 🇬🇷 869 51 130ms 3 Nov 2025 300th albanian-laundromat 869 220 12ms 14 days ago 301st bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 302nd MeWhenI 🇻🇦 868 75 121ms 26 days ago 302nd emgordon154 868 75 115ms 24 days ago 304th targrik 867 51 9ms 30 Oct 2025 304th luuumine 🇫🇷 867 51 8ms 16 days ago 306th MeWhenI 🇻🇦 867 89 74ms 21 Nov 2025 307th KatieLG 🇬🇧 867 98 2ms 18 days ago 308th MeWhenI 🇻🇦 866 54 779ms 26 days ago 309th albanian-laundromat 866 72 88ms 3 days ago 310th MeWhenI 🇻🇦 865 79 57ms 26 days ago 311th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 311th sean-niemann 🇺🇸 865 88 11ms 45 hours ago 313th KasperKivimaeki 🇫🇮 864 57 11ms 30 Oct 2025 313th edsrzf 🇳🇿 864 57 12ms 31 Oct 2025 313th Shanethegamer 🇺🇸 864 57 11ms 3 Nov 2025 313th 4atj 864 57 12ms 5 Nov 2025 313th MeWhenI 🇻🇦 864 57 11ms 21 Nov 2025 313th CaedenHarper 🇨🇦 864 57 11ms 20 days ago 313th blaztoma 🇱🇹 864 57 12ms 19 days ago 313th FortuiteMan 🇫🇷 864 57 11ms 19 days ago First Prev 241–320 of 1,078 Next Last