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 241st lyphyser 889 45 54ms 15 days ago 242nd CaedenHarper 🇨🇦 889 54 724ms 19 days ago 243rd Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 243rd MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 243rd snoozingnewt 🇨🇦 889 79 439ms 21 days ago 246th sean-niemann 🇺🇸 887 50 126ms 18 days ago 247th edsrzf 🇳🇿 887 67 101ms 31 Oct 2025 247th DialFrost 🇸🇬 887 67 104ms 18 days ago 249th MeWhenI 🇻🇦 887 79 7ms 26 days ago 249th Shanethegamer 🇺🇸 887 79 4ms 26 days ago 249th AlephSquirrel 887 79 4ms 19 days ago 252nd stefangimmillaro 886 57 5ms 31 Oct 2025 253rd Yax42 🇫🇷 886 72 391ms 20 days ago 253rd fuzzylojik-golf 🇺🇸 886 72 411ms 17 days ago 255th Shanethegamer 🇺🇸 886 83 362ms 3 Nov 2025 255th MeWhenI 🇻🇦 886 83 361ms 27 days ago 257th Shanethegamer 🇺🇸 886 87 72ms 4 Nov 2025 257th snyderek 🇺🇸 886 87 80ms 18 days ago 257th fuzzylojik-golf 🇺🇸 886 87 82ms 17 days ago 260th edsrzf 🇳🇿 886 96 2ms 21 days ago 261st snoozingnewt 🇨🇦 885 69 4,346ms 19 days ago 262nd KasperKivimaeki 🇫🇮 884 50 9ms 31 Oct 2025 262nd DialFrost 🇸🇬 884 50 9ms 18 days ago 264th fuzzylojik-golf 🇺🇸 883 69 2ms 17 days ago 265th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 266th MeWhenI 🇻🇦 882 76 11ms 27 days ago 267th edsrzf 🇳🇿 882 87 26ms 19 days ago 268th dokutan 881 54 3ms 21 days ago 269th kg583 🇺🇸 881 57 11ms 30 Oct 2025 269th KasperKivimaeki 🇫🇮 881 57 11ms 30 Oct 2025 269th edsrzf 🇳🇿 881 57 12ms 31 Oct 2025 269th Shanethegamer 🇺🇸 881 57 11ms 3 Nov 2025 269th 4atj 881 57 12ms 5 Nov 2025 269th MeWhenI 🇻🇦 881 57 11ms 21 Nov 2025 269th CaedenHarper 🇨🇦 881 57 11ms 21 days ago 269th blaztoma 🇱🇹 881 57 12ms 19 days ago 269th FortuiteMan 🇫🇷 881 57 11ms 19 days ago 269th KatieLG 🇬🇧 881 57 11ms 19 days ago 269th ryyyn 🇺🇸 881 57 11ms 19 days ago 269th DialFrost 🇸🇬 881 57 11ms 18 days ago 269th fuzzylojik-golf 🇺🇸 881 57 11ms 17 days ago 269th luuumine 🇫🇷 881 57 12ms 16 days ago 269th starfihs 881 57 11ms 16 days ago 269th qpwoeirut 881 57 11ms 13 days ago 269th dominikvytisk 881 57 11ms 11 days ago 269th emgordon154 881 57 12ms 3 hours ago 287th bitsandbeyond 🇳🇱 881 60 2ms 2 Nov 2025 287th Shanethegamer 🇺🇸 881 60 2ms 3 Nov 2025 287th MeWhenI 🇻🇦 881 60 2ms 26 days ago 287th FlyingPenguin223 881 60 2ms 16 days ago 291st m-tkach 🇺🇦 881 90 32ms 18 days ago 291st edsrzf 🇳🇿 881 90 31ms 18 days ago 293rd edsrzf 🇳🇿 881 116 427ms 16 days ago 294th bitsandbeyond 🇳🇱 880 57 81ms 5 Nov 2025 294th MeWhenI 🇻🇦 880 57 84ms 27 days ago 294th snoozingnewt 🇨🇦 880 57 80ms 21 days ago 294th CaedenHarper 🇨🇦 880 57 83ms 20 days ago 298th sean-niemann 🇺🇸 880 72 13ms 2 days ago 299th AlephSquirrel 879 56 444ms 30 Oct 2025 299th MeWhenI 🇻🇦 879 56 393ms 27 days ago 299th CaedenHarper 🇨🇦 879 56 459ms 21 days ago 302nd sean-niemann 🇺🇸 878 60 145ms 18 days ago 303rd fuzzylojik-golf 🇺🇸 878 80 385ms 17 days ago 304th stefangimmillaro 877 51 53ms 30 Oct 2025 304th GrayJoKing 🇦🇺 877 51 38ms 16 days ago 306th snoozingnewt 🇨🇦 877 94 258ms 19 days ago 307th snoozingnewt 🇨🇦 876 78 39ms 8 days ago 308th emgordon154 876 88 58ms 3 hours ago 309th bitsandbeyond 🇳🇱 876 104 7ms 2 Nov 2025 310th MeWhenI 🇻🇦 874 37 2ms 21 Nov 2025 311th Shanethegamer 🇺🇸 874 68 119ms 4 Nov 2025 312th Shanethegamer 🇺🇸 874 73 341ms 4 Nov 2025 312th MeWhenI 🇻🇦 874 73 378ms 21 Nov 2025 312th CaedenHarper 🇨🇦 874 73 393ms 21 days ago 315th DialFrost 🇸🇬 873 55 724ms 18 days ago 316th MeWhenI 🇻🇦 872 69 1,248ms 27 days ago 317th Shanethegamer 🇺🇸 872 70 4,400ms 4 Nov 2025 317th MeWhenI 🇻🇦 872 70 3,684ms 26 days ago 317th CaedenHarper 🇨🇦 872 70 4,095ms 20 days ago 317th blaztoma 🇱🇹 872 70 4,405ms 18 days ago First Prev 241–320 of 1,098 Next Last