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 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 lyphyser 889 45 54ms 16 days ago 242nd CaedenHarper 🇨🇦 889 54 724ms 20 days ago 243rd Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 243rd MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 243rd snoozingnewt 🇨🇦 889 79 439ms 22 days ago 246th sean-niemann 🇺🇸 887 50 126ms 19 days ago 247th edsrzf 🇳🇿 887 67 101ms 31 Oct 2025 247th DialFrost 🇸🇬 887 67 104ms 19 days ago 249th MeWhenI 🇻🇦 887 76 11ms 27 days ago 250th MeWhenI 🇻🇦 887 79 7ms 26 days ago 250th Shanethegamer 🇺🇸 887 79 4ms 26 days ago 250th AlephSquirrel 887 79 4ms 20 days ago 253rd stefangimmillaro 886 57 5ms 31 Oct 2025 254th snoozingnewt 🇨🇦 886 69 4,346ms 20 days ago 255th Yax42 🇫🇷 886 72 391ms 21 days ago 255th fuzzylojik-golf 🇺🇸 886 72 411ms 18 days ago 257th Shanethegamer 🇺🇸 886 83 362ms 3 Nov 2025 257th MeWhenI 🇻🇦 886 83 361ms 23 Nov 2025 259th Shanethegamer 🇺🇸 886 87 72ms 4 Nov 2025 259th snyderek 🇺🇸 886 87 80ms 18 days ago 259th fuzzylojik-golf 🇺🇸 886 87 82ms 18 days ago 259th emgordon154 886 87 69ms 3 hours ago 263rd edsrzf 🇳🇿 886 96 2ms 22 days ago 264th antimon2 🇯🇵 885 48 379ms 22 days ago 264th ovs-code 🇩🇪 885 48 389ms 21 days ago 266th KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 266th DialFrost 🇸🇬 884 50 9ms 19 days ago 268th fuzzylojik-golf 🇺🇸 884 69 2ms 18 days ago 268th emgordon154 884 69 2ms 3 hours ago 270th dokutan 883 54 3ms 22 days ago 271st bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 272nd edsrzf 🇳🇿 882 87 26ms 19 days ago 273rd kg583 🇺🇸 881 57 11ms 30 Oct 2025 273rd KasperKivimaeki 🇫🇮 881 57 11ms 30 Oct 2025 273rd edsrzf 🇳🇿 881 57 12ms 31 Oct 2025 273rd Shanethegamer 🇺🇸 881 57 11ms 3 Nov 2025 273rd 4atj 881 57 12ms 5 Nov 2025 273rd MeWhenI 🇻🇦 881 57 11ms 21 Nov 2025 273rd CaedenHarper 🇨🇦 881 57 11ms 22 days ago 273rd blaztoma 🇱🇹 881 57 12ms 20 days ago 273rd FortuiteMan 🇫🇷 881 57 11ms 20 days ago 273rd KatieLG 🇬🇧 881 57 11ms 20 days ago 273rd ryyyn 🇺🇸 881 57 11ms 20 days ago 273rd DialFrost 🇸🇬 881 57 11ms 19 days ago 273rd fuzzylojik-golf 🇺🇸 881 57 11ms 18 days ago 273rd luuumine 🇫🇷 881 57 12ms 17 days ago 273rd starfihs 881 57 11ms 17 days ago 273rd qpwoeirut 881 57 11ms 14 days ago 273rd dominikvytisk 881 57 11ms 12 days ago 273rd emgordon154 881 57 12ms 21 hours ago 291st bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 291st Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 291st MeWhenI 🇻🇦 881 60 2ms 26 days ago 291st FlyingPenguin223 881 60 2ms 17 days ago 295th m-tkach 🇺🇦 881 90 32ms 19 days ago 295th edsrzf 🇳🇿 881 90 31ms 19 days ago 297th edsrzf 🇳🇿 881 116 427ms 17 days ago 298th bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 298th MeWhenI 🇻🇦 880 57 84ms 27 days ago 298th snoozingnewt 🇨🇦 880 57 80ms 22 days ago 298th CaedenHarper 🇨🇦 880 57 83ms 20 days ago 302nd sean-niemann 🇺🇸 880 72 13ms 3 days ago 303rd AlephSquirrel 879 56 444ms 30 Oct 2025 303rd MeWhenI 🇻🇦 879 56 393ms 23 Nov 2025 303rd CaedenHarper 🇨🇦 879 56 459ms 22 days ago 306th sean-niemann 🇺🇸 878 60 145ms 19 days ago 307th fuzzylojik-golf 🇺🇸 878 80 385ms 18 days ago 308th stefangimmillaro 877 51 53ms 30 Oct 2025 308th GrayJoKing 🇦🇺 877 51 38ms 17 days ago 310th snoozingnewt 🇨🇦 877 94 258ms 20 days ago 311th snoozingnewt 🇨🇦 876 78 39ms 9 days ago 312th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 313th DialFrost 🇸🇬 875 76 16ms 4 hours ago 314th MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 315th Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 316th Shanethegamer 🇺🇸 874 73 341ms 4 Nov 2025 316th MeWhenI 🇻🇦 874 73 378ms 21 Nov 2025 316th CaedenHarper 🇨🇦 874 73 393ms 21 days ago 319th DialFrost 🇸🇬 873 55 724ms 19 days ago 320th Shanethegamer 🇺🇸 873 70 4,400ms 4 Nov 2025 First Prev 241–320 of 1,104 Next Last