The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Tower of Hanoi in all languages in chars. 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 Chars Time Submitted 321st dokutan 871 91 28ms 25 days ago 322nd JayXon 🇺🇸 870 119 1,909ms 5 days ago 323rd CaedenHarper 🇨🇦 869 95 290ms 21 days ago 324th albanian-laundromat 869 220 12ms 21 days ago 325th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 326th MeWhenI 🇻🇦 868 75 121ms 23 Nov 2025 327th MeWhenI 🇻🇦 868 89 55ms 21 Nov 2025 328th Shanethegamer 🇺🇸 867 49 420ms 3 Nov 2025 329th targrik 867 51 9ms 30 Oct 2025 329th luuumine 🇫🇷 867 51 8ms 22 days ago 329th emgordon154 867 51 9ms 5 days ago 332nd bitsandbeyond 🇳🇱 867 53 798ms 1 Nov 2025 333rd emgordon154 867 85 547ms 5 days ago 334th KatieLG 🇬🇧 867 98 2ms 25 days ago 335th albanian-laundromat 866 72 87ms 9 days ago 336th KasperKivimaeki 🇫🇮 865 57 11ms 30 Oct 2025 336th edsrzf 🇳🇿 865 57 12ms 31 Oct 2025 336th Shanethegamer 🇺🇸 865 57 11ms 3 Nov 2025 336th 4atj 865 57 12ms 5 Nov 2025 336th MeWhenI 🇻🇦 865 57 11ms 21 Nov 2025 336th CaedenHarper 🇨🇦 865 57 11ms 27 days ago 336th blaztoma 🇱🇹 865 57 12ms 26 days ago 336th FortuiteMan 🇫🇷 865 57 11ms 25 days ago 336th KatieLG 🇬🇧 865 57 11ms 25 days ago 336th ryyyn 🇺🇸 865 57 11ms 25 days ago 336th DialFrost 🇸🇬 865 57 11ms 24 days ago 336th fuzzylojik-golf 🇺🇸 865 57 11ms 23 days ago 336th starfihs 865 57 11ms 22 days ago 336th qpwoeirut 865 57 11ms 19 days ago 336th dominikvytisk 865 57 11ms 18 days ago 336th Natanaelel 🇸🇪 865 57 12ms 30 hours ago 352nd sean-niemann 🇺🇸 865 74 16ms 5 days ago 353rd MeWhenI 🇻🇦 865 79 48ms 23 Nov 2025 354th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 354th sean-niemann 🇺🇸 865 88 9ms 8 days ago 356th bitsandbeyond 🇳🇱 864 55 512ms 1 Nov 2025 356th Shanethegamer 🇺🇸 864 55 525ms 3 Nov 2025 356th m-tkach 🇺🇦 864 55 475ms 24 Nov 2025 356th ovs-code 🇩🇪 864 55 415ms 28 Nov 2025 356th snoozingnewt 🇨🇦 864 55 368ms 28 Nov 2025 356th dokutan 864 55 366ms 25 days ago 362nd dokutan 864 78 14ms 25 days ago 363rd canissimia 🇦🇶 864 179 33ms 2 days ago 364th MeWhenI 🇻🇦 863 89 27ms 24 Nov 2025 365th arcpolaris 862 74 364ms 23 days ago 366th MeWhenI 🇻🇦 862 92 25ms 24 Nov 2025 367th MeWhenI 🇻🇦 861 222 13ms 23 Nov 2025 368th bitsandbeyond 🇳🇱 860 52 36ms 1 Nov 2025 369th iczelia 🇩🇪 860 71 2ms 24 days ago 370th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 371st pardouin 🇫🇷 860 85 62ms 25 days ago 372nd DialFrost 🇸🇬 860 96 287ms 5 days ago 373rd vhoulbreque 🇫🇷 860 106 8ms 24 days ago 374th CaedenHarper 🇨🇦 859 90 395ms 27 days ago 374th BlankSpruce 859 90 58ms 20 days ago 376th albanian-laundromat 859 119 402ms 30 Oct 2025 377th MeWhenI 🇻🇦 857 56 679ms 24 Nov 2025 377th nwellnhof 🇩🇪 857 56 265ms 68 mins ago 379th rucin93 🇵🇱 854 62 2ms 31 Oct 2025 379th dokutan 854 62 2ms 27 days ago 381st bitsandbeyond 🇳🇱 854 90 26ms 2 Nov 2025 382nd rucin93 🇵🇱 853 51 124ms 31 Oct 2025 382nd GolfingSuccess 🇬🇷 853 51 130ms 3 Nov 2025 384th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 385th Shanethegamer 🇺🇸 851 52 9ms 4 Nov 2025 385th MeWhenI 🇻🇦 851 52 8ms 21 Nov 2025 385th CaedenHarper 🇨🇦 851 52 8ms 27 days ago 388th MeWhenI 🇻🇦 851 54 779ms 23 Nov 2025 388th emgordon154 851 54 1,048ms 6 days ago 390th DialFrost 🇸🇬 851 57 2ms 6 days ago 391st MeWhenI 🇻🇦 851 70 101ms 23 Nov 2025 392nd bitsandbeyond 🇳🇱 851 97 250ms 1 Nov 2025 393rd dokutan 850 72 3,791ms 27 days ago 394th MeWhenI 🇻🇦 849 69 1,239ms 23 Nov 2025 395th Natanaelel 🇸🇪 848 46 33ms 8 Nov 2025 396th AlephSquirrel 848 56 444ms 30 Oct 2025 396th MeWhenI 🇻🇦 848 56 393ms 23 Nov 2025 396th CaedenHarper 🇨🇦 848 56 459ms 27 days ago 396th Kacarott 🇦🇺 848 56 482ms 26 days ago 400th h3ra993huskp 🇯🇵 847 83 343ms 12 days ago First Prev 321–400 of 1,118 Next Last