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 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 240th MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 240th snoozingnewt 🇨🇦 889 79 439ms 21 days ago 243rd sean-niemann 🇺🇸 887 50 126ms 18 days ago 244th edsrzf 🇳🇿 887 67 101ms 31 Oct 2025 244th DialFrost 🇸🇬 887 67 104ms 18 days ago 246th MeWhenI 🇻🇦 887 79 7ms 26 days ago 246th Shanethegamer 🇺🇸 887 79 4ms 26 days ago 246th AlephSquirrel 887 79 4ms 19 days ago 249th stefangimmillaro 886 57 5ms 31 Oct 2025 250th Shanethegamer 🇺🇸 886 83 362ms 3 Nov 2025 250th MeWhenI 🇻🇦 886 83 361ms 27 days ago 252nd Shanethegamer 🇺🇸 886 87 72ms 4 Nov 2025 252nd snyderek 🇺🇸 886 87 80ms 17 days ago 252nd fuzzylojik-golf 🇺🇸 886 87 82ms 17 days ago 255th edsrzf 🇳🇿 886 96 2ms 21 days ago 256th snoozingnewt 🇨🇦 885 69 4,346ms 19 days ago 257th Yax42 🇫🇷 885 72 391ms 20 days ago 257th fuzzylojik-golf 🇺🇸 885 72 411ms 17 days ago 259th KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 259th DialFrost 🇸🇬 884 50 9ms 18 days ago 261st fuzzylojik-golf 🇺🇸 883 69 2ms 17 days ago 262nd bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 263rd MeWhenI 🇻🇦 882 76 11ms 26 days ago 264th edsrzf 🇳🇿 882 87 26ms 18 days ago 265th dokutan 881 54 3ms 21 days ago 266th bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 266th Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 266th MeWhenI 🇻🇦 881 60 2ms 26 days ago 266th FlyingPenguin223 881 60 2ms 16 days ago 270th m-tkach 🇺🇦 881 90 32ms 18 days ago 270th edsrzf 🇳🇿 881 90 31ms 18 days ago 272nd edsrzf 🇳🇿 881 116 427ms 16 days ago 273rd kg583 🇺🇸 880 57 11ms 30 Oct 2025 273rd KasperKivimaeki 🇫🇮 880 57 11ms 30 Oct 2025 273rd edsrzf 🇳🇿 880 57 12ms 31 Oct 2025 273rd Shanethegamer 🇺🇸 880 57 11ms 3 Nov 2025 273rd 4atj 880 57 12ms 5 Nov 2025 273rd bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 273rd MeWhenI 🇻🇦 880 57 11ms 21 Nov 2025 273rd MeWhenI 🇻🇦 880 57 84ms 26 days ago 273rd snoozingnewt 🇨🇦 880 57 80ms 21 days ago 273rd CaedenHarper 🇨🇦 880 57 11ms 21 days ago 273rd CaedenHarper 🇨🇦 880 57 83ms 20 days ago 273rd blaztoma 🇱🇹 880 57 12ms 19 days ago 273rd FortuiteMan 🇫🇷 880 57 11ms 19 days ago 273rd KatieLG 🇬🇧 880 57 11ms 19 days ago 273rd ryyyn 🇺🇸 880 57 11ms 19 days ago 273rd DialFrost 🇸🇬 880 57 11ms 18 days ago 273rd fuzzylojik-golf 🇺🇸 880 57 11ms 17 days ago 273rd luuumine 🇫🇷 880 57 12ms 16 days ago 273rd starfihs 880 57 11ms 16 days ago 273rd qpwoeirut 880 57 11ms 13 days ago 273rd dominikvytisk 880 57 11ms 11 days ago 273rd emgordon154 880 57 12ms 40 mins ago 295th sean-niemann 🇺🇸 880 72 13ms 2 days ago 296th AlephSquirrel 879 56 444ms 30 Oct 2025 296th MeWhenI 🇻🇦 879 56 393ms 27 days ago 296th CaedenHarper 🇨🇦 879 56 459ms 21 days ago 299th sean-niemann 🇺🇸 878 60 145ms 18 days ago 300th stefangimmillaro 877 51 53ms 30 Oct 2025 300th GrayJoKing 🇦🇺 877 51 38ms 16 days ago 302nd fuzzylojik-golf 🇺🇸 877 80 385ms 17 days ago 303rd snoozingnewt 🇨🇦 877 94 258ms 19 days ago 304th snoozingnewt 🇨🇦 876 78 39ms 8 days ago 305th emgordon154 876 88 58ms 34 mins ago 306th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 307th MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 308th Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 309th DialFrost 🇸🇬 873 55 724ms 18 days ago 310th Shanethegamer 🇺🇸 873 73 341ms 4 Nov 2025 310th MeWhenI 🇻🇦 873 73 378ms 21 Nov 2025 310th CaedenHarper 🇨🇦 873 73 393ms 21 days ago 313th MeWhenI 🇻🇦 872 69 1,248ms 27 days ago 314th Shanethegamer 🇺🇸 872 70 4,400ms 4 Nov 2025 314th MeWhenI 🇻🇦 872 70 3,684ms 26 days ago 314th CaedenHarper 🇨🇦 872 70 4,095ms 20 days ago 314th blaztoma 🇱🇹 872 70 4,405ms 18 days ago 318th pardouin 🇫🇷 872 88 26ms 18 days ago 319th dokutan 871 91 28ms 18 days ago 320th Shanethegamer 🇺🇸 870 70 2ms 4 Nov 2025 First Prev 241–320 of 1,093 Next Last