The Calendar hole will go live in approximately 11 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 315th blaztoma 🇱🇹 864 57 12ms 19 days ago 315th FortuiteMan 🇫🇷 864 57 11ms 19 days ago 315th KatieLG 🇬🇧 864 57 11ms 19 days ago 315th ryyyn 🇺🇸 864 57 11ms 19 days ago 315th DialFrost 🇸🇬 864 57 11ms 18 days ago 315th fuzzylojik-golf 🇺🇸 864 57 11ms 17 days ago 315th starfihs 864 57 11ms 16 days ago 315th qpwoeirut 864 57 11ms 13 days ago 315th dominikvytisk 864 57 11ms 11 days ago 330th dokutan 864 78 14ms 18 days ago 331st bitsandbeyond 🇳🇱 863 55 512ms 1 Nov 2025 331st Shanethegamer 🇺🇸 863 55 525ms 3 Nov 2025 331st m-tkach 🇺🇦 863 55 475ms 25 days ago 331st ovs-code 🇩🇪 863 55 415ms 21 days ago 331st snoozingnewt 🇨🇦 863 55 368ms 21 days ago 331st dokutan 863 55 366ms 18 days ago 337th sean-niemann 🇺🇸 862 66 215ms 18 days ago 338th MeWhenI 🇻🇦 862 89 27ms 26 days ago 339th MeWhenI 🇻🇦 862 92 25ms 26 days ago 340th arcpolaris 861 74 389ms 17 days ago 341st MeWhenI 🇻🇦 861 136 1,783ms 26 days ago 341st emgordon154 861 136 1,699ms 26 days ago 343rd Kacarott 🇦🇺 861 198 3ms 14 days ago 344th MeWhenI 🇻🇦 861 222 13ms 27 days ago 345th bitsandbeyond 🇳🇱 860 52 51ms 1 Nov 2025 346th Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 346th MeWhenI 🇻🇦 860 68 3ms 26 days ago 346th edsrzf 🇳🇿 860 68 3ms 19 days ago 346th DialFrost 🇸🇬 860 68 5ms 16 days ago 350th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 351st pardouin 🇫🇷 860 85 69ms 18 days ago 352nd vhoulbreque 🇫🇷 860 106 8ms 18 days ago 353rd DialFrost 🇸🇬 859 59 96ms 18 days ago 354th albanian-laundromat 859 119 402ms 30 Oct 2025 355th iczelia 🇩🇪 858 71 2ms 18 days ago 356th MeWhenI 🇻🇦 857 56 679ms 26 days ago 357th CaedenHarper 🇨🇦 857 90 469ms 21 days ago 357th BlankSpruce 857 90 74ms 13 days ago 359th emgordon154 855 86 617ms 9 hours ago 360th sean-niemann 🇺🇸 853 34 53ms 2 days ago 361st rucin93 🇵🇱 853 51 124ms 31 Oct 2025 361st GolfingSuccess 🇬🇷 853 51 130ms 3 Nov 2025 363rd bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 364th rucin93 🇵🇱 852 62 2ms 31 Oct 2025 364th dokutan 852 62 2ms 21 days ago 366th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 367th MeWhenI 🇻🇦 851 54 779ms 27 days ago 367th emgordon154 851 54 1,055ms 37 mins ago 369th DialFrost 🇸🇬 851 57 2ms 10 hours ago 370th Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 370th MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 370th CaedenHarper 🇨🇦 850 52 8ms 21 days ago 370th emgordon154 850 52 15ms 9 hours ago 374th bitsandbeyond 🇳🇱 850 97 250ms 1 Nov 2025 375th CaedenHarper 🇨🇦 849 67 165ms 20 days ago 376th MeWhenI 🇻🇦 849 70 101ms 27 days ago 377th AlephSquirrel 848 56 444ms 30 Oct 2025 377th MeWhenI 🇻🇦 848 56 393ms 27 days ago 377th CaedenHarper 🇨🇦 848 56 459ms 21 days ago 377th Kacarott 🇦🇺 848 56 482ms 19 days ago 381st dokutan 848 72 4,130ms 21 days ago 382nd Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 383rd h3ra993huskp 🇯🇵 846 83 343ms 6 days ago 384th MeWhenI 🇻🇦 845 70 4ms 26 days ago 385th edsrzf 🇳🇿 845 93 185ms 19 days ago 386th Natanaelel 🇸🇪 844 53 48ms 4 Nov 2025 387th blaztoma 🇱🇹 842 60 7ms 19 days ago 388th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 389th dokutan 838 92 80ms 25 days ago 390th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 390th MeWhenI 🇻🇦 837 91 8ms 27 days ago 392nd bitsandbeyond 🇳🇱 836 52 125ms 1 Nov 2025 393rd Shanethegamer 🇺🇸 836 55 896ms 4 Nov 2025 394th ethanlally 836 84 574ms 27 days ago 394th dokutan 836 84 342ms 21 days ago 394th jkelly467 836 84 390ms 18 days ago 397th fuzzylojik-golf 🇺🇸 836 88 371ms 17 days ago 398th GolfingSuccess 🇬🇷 836 94 139ms 21 days ago 398th DialFrost 🇸🇬 836 94 102ms 16 days ago 400th rucin93 🇵🇱 835 56 5ms 30 Oct 2025 First Prev 321–400 of 1,081 Next Last