The Calendar hole will go live in approximately 3 hours. 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 ArkScript 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 ArkScript 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 238th m-tkach 🇺🇦 896 55 424ms 24 Nov 2025 238th ovs-code 🇩🇪 896 55 428ms 28 Nov 2025 238th emgordon154 896 55 418ms 11 days ago 244th ovs-code 🇩🇪 895 50 34ms 28 Nov 2025 244th sean-niemann 🇺🇸 895 50 41ms 1 Dec 2025 246th kg583 🇺🇸 895 78 50ms 30 Oct 2025 246th edsrzf 🇳🇿 895 78 41ms 31 Oct 2025 248th edsrzf 🇳🇿 895 79 78ms 1 Dec 2025 249th m-tkach 🇺🇦 895 95 2ms 1 Dec 2025 250th sean-niemann 🇺🇸 894 86 26ms 2 Dec 2025 251st sean-niemann 🇺🇸 891 89 36ms 2 Dec 2025 252nd MeWhenI 🇻🇦 890 76 11ms 23 Nov 2025 253rd lyphyser 889 45 54ms 27 days ago 254th CaedenHarper 🇨🇦 889 54 724ms 30 Nov 2025 255th sean-niemann 🇺🇸 889 64 5ms 1 Dec 2025 256th edsrzf 🇳🇿 889 67 110ms 31 Oct 2025 256th DialFrost 🇸🇬 889 67 106ms 2 Dec 2025 258th Shanethegamer 🇺🇸 889 79 462ms 4 Nov 2025 258th MeWhenI 🇻🇦 889 79 435ms 21 Nov 2025 258th snoozingnewt 🇨🇦 889 79 439ms 28 Nov 2025 261st Shanethegamer 🇺🇸 888 66 1,247ms 3 Nov 2025 261st edsrzf 🇳🇿 888 66 1,434ms 1 Dec 2025 263rd Shanethegamer 🇺🇸 888 83 362ms 3 Nov 2025 263rd MeWhenI 🇻🇦 888 83 361ms 23 Nov 2025 265th Shanethegamer 🇺🇸 888 87 64ms 4 Nov 2025 265th snyderek 🇺🇸 888 87 54ms 2 Dec 2025 265th fuzzylojik-golf 🇺🇸 888 87 65ms 2 Dec 2025 265th emgordon154 888 87 65ms 10 days ago 269th sean-niemann 🇺🇸 887 50 126ms 1 Dec 2025 270th snoozingnewt 🇨🇦 887 69 3,087ms 30 Nov 2025 271st Yax42 🇫🇷 887 72 391ms 29 Nov 2025 271st fuzzylojik-golf 🇺🇸 887 72 376ms 2 Dec 2025 273rd MeWhenI 🇻🇦 887 79 7ms 24 Nov 2025 273rd Shanethegamer 🇺🇸 887 79 4ms 24 Nov 2025 273rd AlephSquirrel 887 79 4ms 30 Nov 2025 276th stefangimmillaro 886 57 5ms 31 Oct 2025 277th edsrzf 🇳🇿 886 96 2ms 28 Nov 2025 278th antimon2 🇯🇵 885 48 321ms 29 Nov 2025 278th ovs-code 🇩🇪 885 48 333ms 29 Nov 2025 280th KasperKivimaeki 🇫🇮 885 50 10ms 31 Oct 2025 280th DialFrost 🇸🇬 885 50 9ms 2 Dec 2025 282nd fuzzylojik-golf 🇺🇸 885 69 2ms 2 Dec 2025 282nd emgordon154 885 69 2ms 10 days ago 284th dokutan 883 54 3ms 28 Nov 2025 285th bitsandbeyond 🇳🇱 883 60 2ms 2 Nov 2025 285th Shanethegamer 🇺🇸 883 60 2ms 3 Nov 2025 285th MeWhenI 🇻🇦 883 60 2ms 24 Nov 2025 285th FlyingPenguin223 883 60 2ms 3 Dec 2025 289th edsrzf 🇳🇿 883 87 26ms 1 Dec 2025 290th bitsandbeyond 🇳🇱 882 55 2ms 1 Nov 2025 291st kg583 🇺🇸 881 57 11ms 30 Oct 2025 291st KasperKivimaeki 🇫🇮 881 57 11ms 30 Oct 2025 291st edsrzf 🇳🇿 881 57 12ms 31 Oct 2025 291st Shanethegamer 🇺🇸 881 57 11ms 3 Nov 2025 291st 4atj 881 57 12ms 5 Nov 2025 291st bitsandbeyond 🇳🇱 881 57 80ms 5 Nov 2025 291st MeWhenI 🇻🇦 881 57 11ms 21 Nov 2025 291st MeWhenI 🇻🇦 881 57 84ms 23 Nov 2025 291st snoozingnewt 🇨🇦 881 57 80ms 28 Nov 2025 291st CaedenHarper 🇨🇦 881 57 11ms 29 Nov 2025 291st CaedenHarper 🇨🇦 881 57 83ms 30 Nov 2025 291st blaztoma 🇱🇹 881 57 12ms 30 Nov 2025 291st FortuiteMan 🇫🇷 881 57 11ms 30 Nov 2025 291st KatieLG 🇬🇧 881 57 11ms 30 Nov 2025 291st ryyyn 🇺🇸 881 57 11ms 1 Dec 2025 291st DialFrost 🇸🇬 881 57 11ms 2 Dec 2025 291st fuzzylojik-golf 🇺🇸 881 57 11ms 2 Dec 2025 291st luuumine 🇫🇷 881 57 12ms 3 Dec 2025 291st starfihs 881 57 11ms 27 days ago 291st qpwoeirut 881 57 11ms 24 days ago 291st dominikvytisk 881 57 11ms 23 days ago 291st emgordon154 881 57 12ms 11 days ago 291st Natanaelel 🇸🇪 881 57 12ms 6 days ago 314th m-tkach 🇺🇦 881 90 32ms 1 Dec 2025 314th edsrzf 🇳🇿 881 90 31ms 1 Dec 2025 316th edsrzf 🇳🇿 881 116 1,443ms 27 days ago 317th AlephSquirrel 880 56 458ms 30 Oct 2025 317th MeWhenI 🇻🇦 880 56 532ms 23 Nov 2025 317th CaedenHarper 🇨🇦 880 56 442ms 29 Nov 2025 320th sean-niemann 🇺🇸 880 72 5ms 13 days ago First Prev 241–320 of 1,138 Next Last