The Calendar hole will go live in approximately 12 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 309th starfihs 864 57 11ms 15 days ago 309th qpwoeirut 864 57 11ms 12 days ago 309th dominikvytisk 864 57 11ms 11 days ago 324th dokutan 864 78 14ms 18 days ago 325th bitsandbeyond 🇳🇱 863 55 512ms 1 Nov 2025 325th Shanethegamer 🇺🇸 863 55 525ms 3 Nov 2025 325th m-tkach 🇺🇦 863 55 475ms 25 days ago 325th ovs-code 🇩🇪 863 55 415ms 21 days ago 325th snoozingnewt 🇨🇦 863 55 368ms 21 days ago 325th dokutan 863 55 366ms 18 days ago 331st sean-niemann 🇺🇸 862 66 215ms 17 days ago 332nd MeWhenI 🇻🇦 862 89 27ms 25 days ago 333rd MeWhenI 🇻🇦 862 92 25ms 25 days ago 334th arcpolaris 861 74 389ms 16 days ago 335th MeWhenI 🇻🇦 861 136 1,783ms 26 days ago 335th emgordon154 861 136 1,699ms 25 days ago 337th Kacarott 🇦🇺 861 198 3ms 14 days ago 338th MeWhenI 🇻🇦 861 222 13ms 26 days ago 339th Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 339th MeWhenI 🇻🇦 860 68 3ms 26 days ago 339th edsrzf 🇳🇿 860 68 3ms 18 days ago 339th DialFrost 🇸🇬 860 68 5ms 16 days ago 343rd GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 344th pardouin 🇫🇷 860 85 69ms 18 days ago 345th vhoulbreque 🇫🇷 860 106 8ms 17 days ago 346th bitsandbeyond 🇳🇱 859 52 51ms 1 Nov 2025 347th DialFrost 🇸🇬 859 59 96ms 17 days ago 348th albanian-laundromat 859 119 402ms 30 Oct 2025 349th emgordon154 858 71 2ms 24 days ago 349th iczelia 🇩🇪 858 71 2ms 17 days ago 351st bitsandbeyond 🇳🇱 858 97 250ms 1 Nov 2025 352nd MeWhenI 🇻🇦 857 56 679ms 25 days ago 353rd CaedenHarper 🇨🇦 857 90 469ms 20 days ago 353rd BlankSpruce 857 90 74ms 13 days ago 353rd emgordon154 857 90 63ms 4 days ago 356th sean-niemann 🇺🇸 853 34 53ms 40 hours ago 357th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 358th rucin93 🇵🇱 852 62 2ms 31 Oct 2025 358th dokutan 852 62 2ms 20 days ago 360th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 361st bitsandbeyond 🇳🇱 851 52 125ms 1 Nov 2025 362nd DialFrost 🇸🇬 851 57 2ms 14 mins ago 363rd Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 363rd MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 363rd CaedenHarper 🇨🇦 850 52 8ms 20 days ago 366th Shanethegamer 🇺🇸 850 55 896ms 4 Nov 2025 367th CaedenHarper 🇨🇦 849 67 165ms 19 days ago 368th MeWhenI 🇻🇦 849 70 101ms 26 days ago 369th dokutan 848 72 4,130ms 20 days ago 370th Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 371st AlephSquirrel 847 56 444ms 30 Oct 2025 371st MeWhenI 🇻🇦 847 56 393ms 26 days ago 371st CaedenHarper 🇨🇦 847 56 459ms 20 days ago 371st Kacarott 🇦🇺 847 56 482ms 19 days ago 375th h3ra993huskp 🇯🇵 846 83 343ms 5 days ago 376th MeWhenI 🇻🇦 845 70 4ms 25 days ago 377th edsrzf 🇳🇿 845 93 185ms 18 days ago 378th Natanaelel 🇸🇪 843 53 48ms 4 Nov 2025 379th blaztoma 🇱🇹 842 60 7ms 19 days ago 380th MeWhenI 🇻🇦 841 99 252ms 26 days ago 381st ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 382nd dokutan 838 92 80ms 25 days ago 383rd Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 383rd MeWhenI 🇻🇦 837 91 8ms 26 days ago 385th ethanlally 836 84 574ms 26 days ago 385th dokutan 836 84 342ms 21 days ago 385th jkelly467 836 84 390ms 17 days ago 388th emgordon154 836 88 394ms 25 days ago 388th fuzzylojik-golf 🇺🇸 836 88 371ms 17 days ago 390th GolfingSuccess 🇬🇷 836 94 139ms 21 days ago 390th DialFrost 🇸🇬 836 94 102ms 16 days ago 392nd rucin93 🇵🇱 835 56 5ms 30 Oct 2025 392nd emgordon154 835 56 799ms 25 days ago 392nd CaedenHarper 🇨🇦 835 56 806ms 19 days ago 395th davecame 835 59 11ms 13 Nov 2025 395th Kacarott 🇦🇺 835 59 11ms 15 Nov 2025 395th commandblockguy 🇺🇸 835 59 11ms 21 days ago 395th YAJUE114514 835 59 12ms 9 days ago 399th dokutan 835 70 3ms 20 days ago 400th dokutan 835 73 2ms 25 days ago First Prev 321–400 of 1,073 Next Last