The Calendar hole will go live in approximately 4 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 161st pardouin 🇫🇷 913 77 357ms 29 Nov 2025 162nd Kacarott 🇦🇺 913 80 69ms 29 Nov 2025 162nd ovs-code 🇩🇪 913 80 69ms 29 Nov 2025 164th GolfingSuccess 🇬🇷 912 54 535ms 31 Oct 2025 164th sean-niemann 🇺🇸 912 54 595ms 26 days ago 164th CornerMercury 🇬🇧 912 54 428ms 8 days ago 167th Mukundan314 911 67 2ms 23 Nov 2025 167th luuumine 🇫🇷 911 67 2ms 24 days ago 167th Alex-x90 🇺🇸 911 67 2ms 23 days ago 170th bitsandbeyond 🇳🇱 911 70 392ms 1 Nov 2025 170th namelessiw 911 70 407ms 2 Nov 2025 172nd stefangimmillaro 911 75 41ms 31 Oct 2025 173rd sean-niemann 🇺🇸 910 81 388ms 31 Oct 2025 173rd KasperKivimaeki 🇫🇮 910 81 367ms 31 Oct 2025 173rd ovs-code 🇩🇪 910 81 387ms 31 Oct 2025 173rd rucin93 🇵🇱 910 81 383ms 31 Oct 2025 173rd edsrzf 🇳🇿 910 81 357ms 26 days ago 173rd DialFrost 🇸🇬 910 81 363ms 25 days ago 173rd JayXon 🇺🇸 910 81 467ms 6 days ago 180th IanUtley 909 70 10ms 7 Nov 2025 180th annaproxy 909 70 10ms 25 days ago 182nd GolfingSuccess 🇬🇷 909 85 60ms 30 Oct 2025 182nd rucin93 🇵🇱 909 85 61ms 30 Oct 2025 182nd KasperKivimaeki 🇫🇮 909 85 61ms 31 Oct 2025 182nd bitsandbeyond 🇳🇱 909 85 60ms 1 Nov 2025 182nd ovs-code 🇩🇪 909 85 53ms 3 Nov 2025 182nd pardouin 🇫🇷 909 85 56ms 29 Nov 2025 182nd m-tkach 🇺🇦 909 85 52ms 26 days ago 182nd DialFrost 🇸🇬 909 85 62ms 25 days ago 182nd AdrienHache 🇫🇷 909 85 71ms 25 days ago 182nd xsot 🇸🇬 909 85 59ms 25 days ago 192nd kg583 🇺🇸 908 65 5ms 30 Oct 2025 192nd edsrzf 🇳🇿 908 65 4ms 30 Oct 2025 194th pardouin 🇫🇷 907 91 251ms 29 Nov 2025 195th Natanaelel 🇸🇪 906 32 39ms 2 days ago 196th sean-niemann 🇺🇸 906 69 40ms 26 days ago 197th ovs-code 🇩🇪 906 74 120ms 28 Nov 2025 198th edsrzf 🇳🇿 905 70 4ms 31 Oct 2025 198th MeWhenI 🇻🇦 905 70 4ms 24 Nov 2025 200th luuumine 🇫🇷 904 72 117ms 24 days ago 200th emgordon154 904 72 132ms 6 days ago 202nd emgordon154 903 67 5ms 23 Nov 2025 203rd targrik 902 56 5ms 30 Oct 2025 204th bitsandbeyond 🇳🇱 902 66 104ms 2 Nov 2025 204th stefangimmillaro 902 66 124ms 4 Nov 2025 206th GrayJoKing 🇦🇺 902 79 9ms 22 days ago 207th emgordon154 902 88 103ms 23 days ago 208th DialFrost 🇸🇬 901 71 18ms 5 days ago 209th CaedenHarper 🇨🇦 901 78 416ms 29 Nov 2025 209th m-tkach 🇺🇦 901 78 657ms 26 days ago 211th jkelly467 900 68 3,209ms 26 days ago 212th MeWhenI 🇻🇦 899 53 3ms 23 Nov 2025 213th luuumine 🇫🇷 899 86 53ms 16 days ago 214th edsrzf 🇳🇿 898 59 2ms 31 Oct 2025 214th CaedenHarper 🇨🇦 898 59 2ms 27 days ago 214th GrayJoKing 🇦🇺 898 59 2ms 23 days ago 217th CaedenHarper 🇨🇦 898 68 2ms 29 Nov 2025 217th m-tkach 🇺🇦 898 68 2ms 26 days ago 219th kg583 🇺🇸 898 75 10ms 30 Oct 2025 220th edsrzf 🇳🇿 898 78 3ms 26 days ago 221st saito-ta 🇯🇵 897 51 583ms 31 Oct 2025 221st MeWhenI 🇻🇦 897 51 542ms 29 Nov 2025 223rd AlephSquirrel 897 56 11ms 30 Oct 2025 223rd hallvabo 🇳🇴 897 56 11ms 30 Oct 2025 223rd bizy-coder 897 56 13ms 26 Nov 2025 223rd ndren 897 56 13ms 29 Nov 2025 223rd zacjl 897 56 12ms 27 days ago 223rd klixel 🇨🇦 897 56 11ms 20 days ago 229th GolfingSuccess 🇬🇷 897 92 275ms 30 Oct 2025 229th stefangimmillaro 897 92 264ms 31 Oct 2025 229th edsrzf 🇳🇿 897 92 264ms 31 Oct 2025 229th KasperKivimaeki 🇫🇮 897 92 280ms 31 Oct 2025 233rd kg583 🇺🇸 896 55 480ms 30 Oct 2025 233rd bitsandbeyond 🇳🇱 896 55 512ms 1 Nov 2025 233rd Shanethegamer 🇺🇸 896 55 525ms 3 Nov 2025 233rd m-tkach 🇺🇦 896 55 475ms 24 Nov 2025 233rd ovs-code 🇩🇪 896 55 415ms 28 Nov 2025 233rd emgordon154 896 55 502ms 7 days ago 239th kg583 🇺🇸 895 78 50ms 30 Oct 2025 239th edsrzf 🇳🇿 895 78 41ms 31 Oct 2025 First Prev 161–240 of 1,131 Next Last