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 239th AlephSquirrel 887 79 4ms 19 days ago 242nd sean-niemann 🇺🇸 886 50 126ms 18 days ago 243rd stefangimmillaro 886 57 5ms 31 Oct 2025 244th Shanethegamer 🇺🇸 886 83 362ms 3 Nov 2025 244th MeWhenI 🇻🇦 886 83 361ms 26 days ago 246th Shanethegamer 🇺🇸 886 87 72ms 4 Nov 2025 246th snyderek 🇺🇸 886 87 80ms 17 days ago 246th fuzzylojik-golf 🇺🇸 886 87 82ms 17 days ago 249th snoozingnewt 🇨🇦 886 94 258ms 19 days ago 250th edsrzf 🇳🇿 886 96 2ms 21 days ago 251st snoozingnewt 🇨🇦 885 69 4,346ms 19 days ago 252nd Yax42 🇫🇷 885 72 391ms 20 days ago 252nd fuzzylojik-golf 🇺🇸 885 72 411ms 17 days ago 254th KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 254th DialFrost 🇸🇬 884 50 9ms 18 days ago 256th fuzzylojik-golf 🇺🇸 883 69 2ms 17 days ago 257th bitsandbeyond 🇳🇱 882 53 798ms 1 Nov 2025 258th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 259th MeWhenI 🇻🇦 882 76 11ms 26 days ago 260th edsrzf 🇳🇿 882 87 26ms 18 days ago 261st dokutan 881 54 3ms 21 days ago 262nd bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 262nd Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 262nd MeWhenI 🇻🇦 881 60 2ms 25 days ago 262nd FlyingPenguin223 881 60 2ms 16 days ago 266th m-tkach 🇺🇦 881 90 32ms 18 days ago 266th edsrzf 🇳🇿 881 90 31ms 18 days ago 268th edsrzf 🇳🇿 881 116 427ms 16 days ago 269th kg583 🇺🇸 880 57 11ms 30 Oct 2025 269th KasperKivimaeki 🇫🇮 880 57 11ms 30 Oct 2025 269th edsrzf 🇳🇿 880 57 12ms 31 Oct 2025 269th Shanethegamer 🇺🇸 880 57 11ms 3 Nov 2025 269th 4atj 880 57 12ms 5 Nov 2025 269th bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 269th MeWhenI 🇻🇦 880 57 11ms 21 Nov 2025 269th MeWhenI 🇻🇦 880 57 84ms 26 days ago 269th snoozingnewt 🇨🇦 880 57 80ms 21 days ago 269th CaedenHarper 🇨🇦 880 57 11ms 20 days ago 269th CaedenHarper 🇨🇦 880 57 83ms 19 days ago 269th blaztoma 🇱🇹 880 57 12ms 19 days ago 269th FortuiteMan 🇫🇷 880 57 11ms 19 days ago 269th KatieLG 🇬🇧 880 57 11ms 19 days ago 269th ryyyn 🇺🇸 880 57 11ms 18 days ago 269th DialFrost 🇸🇬 880 57 11ms 18 days ago 269th fuzzylojik-golf 🇺🇸 880 57 11ms 17 days ago 269th luuumine 🇫🇷 880 57 12ms 16 days ago 269th starfihs 880 57 11ms 15 days ago 269th qpwoeirut 880 57 11ms 12 days ago 269th dominikvytisk 880 57 11ms 11 days ago 290th sean-niemann 🇺🇸 880 72 13ms 46 hours ago 291st AlephSquirrel 879 56 444ms 30 Oct 2025 291st MeWhenI 🇻🇦 879 56 393ms 26 days ago 291st CaedenHarper 🇨🇦 879 56 459ms 20 days ago 294th sean-niemann 🇺🇸 878 60 145ms 18 days ago 295th fuzzylojik-golf 🇺🇸 877 80 385ms 17 days ago 296th stefangimmillaro 876 51 53ms 30 Oct 2025 296th GrayJoKing 🇦🇺 876 51 38ms 16 days ago 298th snoozingnewt 🇨🇦 876 78 39ms 8 days ago 299th CaedenHarper 🇨🇦 876 95 290ms 15 days ago 300th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 301st MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 302nd Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 303rd DialFrost 🇸🇬 873 55 724ms 18 days ago 304th Shanethegamer 🇺🇸 873 73 341ms 4 Nov 2025 304th MeWhenI 🇻🇦 873 73 378ms 21 Nov 2025 304th CaedenHarper 🇨🇦 873 73 393ms 20 days ago 307th MeWhenI 🇻🇦 872 69 1,248ms 26 days ago 308th Shanethegamer 🇺🇸 872 70 4,400ms 4 Nov 2025 308th MeWhenI 🇻🇦 872 70 3,684ms 25 days ago 308th CaedenHarper 🇨🇦 872 70 4,095ms 19 days ago 308th blaztoma 🇱🇹 872 70 4,405ms 17 days ago 312th pardouin 🇫🇷 872 88 26ms 18 days ago 313th dokutan 871 91 28ms 18 days ago 314th Shanethegamer 🇺🇸 870 70 2ms 4 Nov 2025 314th MeWhenI 🇻🇦 870 70 2ms 21 Nov 2025 316th albanian-laundromat 869 220 12ms 14 days ago 317th rucin93 🇵🇱 868 51 124ms 31 Oct 2025 317th GolfingSuccess 🇬🇷 868 51 130ms 3 Nov 2025 319th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 320th MeWhenI 🇻🇦 868 75 121ms 26 days ago First Prev 241–320 of 1,089 Next Last