The Calendar hole will go live in approximately 110 mins. 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 151st duckyluuk 🇳🇱 914 55 12ms 27 days ago 151st GrayJoKing 🇦🇺 914 55 12ms 26 days ago 163rd stefangimmillaro 913 55 82ms 31 Oct 2025 164th pardouin 🇫🇷 913 67 3,954ms 1 Nov 2025 164th bitsandbeyond 🇳🇱 913 67 2,087ms 2 Nov 2025 166th pardouin 🇫🇷 913 77 357ms 29 Nov 2025 167th Kacarott 🇦🇺 913 80 69ms 29 Nov 2025 167th ovs-code 🇩🇪 913 80 69ms 29 Nov 2025 169th GolfingSuccess 🇬🇷 912 54 472ms 31 Oct 2025 169th sean-niemann 🇺🇸 912 54 444ms 1 Dec 2025 169th CornerMercury 🇬🇧 912 54 521ms 12 days ago 172nd bitsandbeyond 🇳🇱 912 70 392ms 1 Nov 2025 172nd namelessiw 912 70 407ms 2 Nov 2025 174th Mukundan314 911 67 2ms 23 Nov 2025 174th luuumine 🇫🇷 911 67 2ms 3 Dec 2025 174th Alex-x90 🇺🇸 911 67 2ms 27 days ago 177th stefangimmillaro 911 75 41ms 31 Oct 2025 178th sean-niemann 🇺🇸 910 81 388ms 31 Oct 2025 178th KasperKivimaeki 🇫🇮 910 81 367ms 31 Oct 2025 178th ovs-code 🇩🇪 910 81 387ms 31 Oct 2025 178th rucin93 🇵🇱 910 81 383ms 31 Oct 2025 178th edsrzf 🇳🇿 910 81 357ms 1 Dec 2025 178th DialFrost 🇸🇬 910 81 363ms 2 Dec 2025 178th JayXon 🇺🇸 910 81 467ms 10 days ago 185th IanUtley 909 70 10ms 7 Nov 2025 185th annaproxy 909 70 10ms 2 Dec 2025 187th GolfingSuccess 🇬🇷 909 85 60ms 30 Oct 2025 187th rucin93 🇵🇱 909 85 60ms 30 Oct 2025 187th KasperKivimaeki 🇫🇮 909 85 61ms 31 Oct 2025 187th bitsandbeyond 🇳🇱 909 85 60ms 1 Nov 2025 187th ovs-code 🇩🇪 909 85 53ms 3 Nov 2025 187th pardouin 🇫🇷 909 85 56ms 29 Nov 2025 187th m-tkach 🇺🇦 909 85 52ms 1 Dec 2025 187th DialFrost 🇸🇬 909 85 62ms 2 Dec 2025 187th AdrienHache 🇫🇷 909 85 71ms 2 Dec 2025 187th xsot 🇸🇬 909 85 59ms 2 Dec 2025 197th kg583 🇺🇸 908 65 5ms 30 Oct 2025 197th edsrzf 🇳🇿 908 65 4ms 30 Oct 2025 199th pardouin 🇫🇷 908 91 251ms 29 Nov 2025 200th Natanaelel 🇸🇪 906 32 39ms 6 days ago 201st sean-niemann 🇺🇸 906 69 40ms 1 Dec 2025 202nd ovs-code 🇩🇪 906 74 120ms 28 Nov 2025 203rd edsrzf 🇳🇿 905 70 4ms 31 Oct 2025 203rd MeWhenI 🇻🇦 905 70 4ms 24 Nov 2025 205th luuumine 🇫🇷 904 72 117ms 3 Dec 2025 205th emgordon154 904 72 132ms 10 days ago 207th emgordon154 903 67 5ms 23 Nov 2025 208th targrik 902 56 5ms 30 Oct 2025 209th bitsandbeyond 🇳🇱 902 66 115ms 2 Nov 2025 209th stefangimmillaro 902 66 110ms 4 Nov 2025 211th GrayJoKing 🇦🇺 902 79 9ms 26 days ago 212th emgordon154 902 88 103ms 27 days ago 213th DialFrost 🇸🇬 901 71 18ms 9 days ago 214th CaedenHarper 🇨🇦 901 78 416ms 29 Nov 2025 214th m-tkach 🇺🇦 901 78 657ms 1 Dec 2025 216th jkelly467 900 68 3,209ms 1 Dec 2025 217th MeWhenI 🇻🇦 899 53 3ms 23 Nov 2025 218th luuumine 🇫🇷 899 86 53ms 20 days ago 219th edsrzf 🇳🇿 898 59 2ms 31 Oct 2025 219th CaedenHarper 🇨🇦 898 59 2ms 30 Nov 2025 219th GrayJoKing 🇦🇺 898 59 2ms 27 days ago 222nd CaedenHarper 🇨🇦 898 68 2ms 29 Nov 2025 222nd m-tkach 🇺🇦 898 68 2ms 1 Dec 2025 224th kg583 🇺🇸 898 75 10ms 30 Oct 2025 225th edsrzf 🇳🇿 898 78 3ms 1 Dec 2025 226th GolfingSuccess 🇬🇷 898 92 275ms 30 Oct 2025 226th stefangimmillaro 898 92 264ms 31 Oct 2025 226th edsrzf 🇳🇿 898 92 264ms 31 Oct 2025 226th KasperKivimaeki 🇫🇮 898 92 280ms 31 Oct 2025 230th saito-ta 🇯🇵 897 51 583ms 31 Oct 2025 230th MeWhenI 🇻🇦 897 51 542ms 29 Nov 2025 232nd AlephSquirrel 897 56 11ms 30 Oct 2025 232nd hallvabo 🇳🇴 897 56 11ms 30 Oct 2025 232nd bizy-coder 897 56 13ms 26 Nov 2025 232nd ndren 897 56 13ms 29 Nov 2025 232nd zacjl 897 56 12ms 30 Nov 2025 232nd klixel 🇨🇦 897 56 11ms 24 days ago 238th kg583 🇺🇸 896 55 453ms 30 Oct 2025 238th bitsandbeyond 🇳🇱 896 55 503ms 1 Nov 2025 238th Shanethegamer 🇺🇸 896 55 452ms 3 Nov 2025 First Prev 161–240 of 1,139 Next Last