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 312th ryyyn 🇺🇸 864 57 11ms 18 days ago 312th DialFrost 🇸🇬 864 57 11ms 18 days ago 312th fuzzylojik-golf 🇺🇸 864 57 11ms 17 days ago 312th starfihs 864 57 11ms 15 days ago 312th qpwoeirut 864 57 11ms 12 days ago 312th dominikvytisk 864 57 11ms 11 days ago 327th dokutan 864 78 14ms 18 days ago 328th bitsandbeyond 🇳🇱 863 55 512ms 1 Nov 2025 328th Shanethegamer 🇺🇸 863 55 525ms 3 Nov 2025 328th m-tkach 🇺🇦 863 55 475ms 25 days ago 328th ovs-code 🇩🇪 863 55 415ms 21 days ago 328th snoozingnewt 🇨🇦 863 55 368ms 21 days ago 328th dokutan 863 55 366ms 18 days ago 334th sean-niemann 🇺🇸 862 66 215ms 18 days ago 335th MeWhenI 🇻🇦 862 89 27ms 25 days ago 336th MeWhenI 🇻🇦 862 92 25ms 25 days ago 337th arcpolaris 861 74 389ms 16 days ago 338th MeWhenI 🇻🇦 861 136 1,783ms 26 days ago 338th emgordon154 861 136 1,699ms 25 days ago 340th Kacarott 🇦🇺 861 198 3ms 14 days ago 341st MeWhenI 🇻🇦 861 222 13ms 26 days ago 342nd Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 342nd MeWhenI 🇻🇦 860 68 3ms 26 days ago 342nd edsrzf 🇳🇿 860 68 3ms 18 days ago 342nd DialFrost 🇸🇬 860 68 5ms 16 days ago 346th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 347th pardouin 🇫🇷 860 85 69ms 18 days ago 348th vhoulbreque 🇫🇷 860 106 8ms 18 days ago 349th bitsandbeyond 🇳🇱 859 52 51ms 1 Nov 2025 350th DialFrost 🇸🇬 859 59 96ms 17 days ago 351st albanian-laundromat 859 119 402ms 30 Oct 2025 352nd emgordon154 858 71 2ms 24 days ago 352nd iczelia 🇩🇪 858 71 2ms 18 days ago 354th bitsandbeyond 🇳🇱 858 97 250ms 1 Nov 2025 355th MeWhenI 🇻🇦 857 56 679ms 25 days ago 356th CaedenHarper 🇨🇦 857 90 469ms 20 days ago 356th BlankSpruce 857 90 74ms 13 days ago 356th emgordon154 857 90 63ms 4 days ago 359th emgordon154 855 86 617ms 4 hours ago 360th sean-niemann 🇺🇸 853 34 53ms 45 hours ago 361st bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 362nd rucin93 🇵🇱 852 62 2ms 31 Oct 2025 362nd dokutan 852 62 2ms 21 days ago 364th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 365th bitsandbeyond 🇳🇱 851 52 125ms 1 Nov 2025 366th DialFrost 🇸🇬 851 57 2ms 5 hours ago 367th Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 367th MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 367th CaedenHarper 🇨🇦 850 52 8ms 20 days ago 367th emgordon154 850 52 15ms 4 hours ago 371st Shanethegamer 🇺🇸 850 55 896ms 4 Nov 2025 372nd CaedenHarper 🇨🇦 849 67 165ms 19 days ago 373rd MeWhenI 🇻🇦 849 70 101ms 26 days ago 374th AlephSquirrel 848 56 444ms 30 Oct 2025 374th MeWhenI 🇻🇦 848 56 393ms 26 days ago 374th CaedenHarper 🇨🇦 848 56 459ms 20 days ago 374th Kacarott 🇦🇺 848 56 482ms 19 days ago 378th dokutan 848 72 4,130ms 21 days ago 379th Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 380th h3ra993huskp 🇯🇵 846 83 343ms 5 days ago 381st MeWhenI 🇻🇦 845 70 4ms 25 days ago 382nd edsrzf 🇳🇿 845 93 185ms 18 days ago 383rd Natanaelel 🇸🇪 843 53 48ms 4 Nov 2025 384th blaztoma 🇱🇹 842 60 7ms 19 days ago 385th MeWhenI 🇻🇦 841 99 252ms 26 days ago 386th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 387th dokutan 838 92 80ms 25 days ago 388th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 388th MeWhenI 🇻🇦 837 91 8ms 26 days ago 390th ethanlally 836 84 574ms 26 days ago 390th dokutan 836 84 342ms 21 days ago 390th jkelly467 836 84 390ms 18 days ago 393rd fuzzylojik-golf 🇺🇸 836 88 371ms 17 days ago 394th GolfingSuccess 🇬🇷 836 94 139ms 21 days ago 394th DialFrost 🇸🇬 836 94 102ms 16 days ago 396th rucin93 🇵🇱 835 56 5ms 30 Oct 2025 396th emgordon154 835 56 799ms 25 days ago 396th CaedenHarper 🇨🇦 835 56 806ms 19 days ago 399th davecame 835 59 11ms 13 Nov 2025 399th Kacarott 🇦🇺 835 59 11ms 15 Nov 2025 First Prev 321–400 of 1,077 Next Last