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 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 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 Bytes Time Submitted 321st Shanethegamer 🇺🇸 870 70 2ms 4 Nov 2025 321st MeWhenI 🇻🇦 870 70 2ms 21 Nov 2025 321st emgordon154 870 70 2ms 40 mins ago 324th rucin93 🇵🇱 869 51 124ms 31 Oct 2025 324th GolfingSuccess 🇬🇷 869 51 130ms 3 Nov 2025 326th albanian-laundromat 869 220 12ms 15 days ago 327th bitsandbeyond 🇳🇱 868 72 41ms 1 Nov 2025 328th MeWhenI 🇻🇦 868 75 121ms 26 days ago 329th CaedenHarper 🇨🇦 868 95 290ms 15 days ago 330th targrik 867 51 9ms 30 Oct 2025 330th luuumine 🇫🇷 867 51 8ms 16 days ago 332nd bitsandbeyond 🇳🇱 867 53 798ms 1 Nov 2025 333rd MeWhenI 🇻🇦 867 89 74ms 21 Nov 2025 334th KatieLG 🇬🇧 867 98 2ms 19 days ago 335th rucin93 🇵🇱 865 58 11ms 30 Oct 2025 336th MeWhenI 🇻🇦 865 79 57ms 27 days ago 337th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 337th sean-niemann 🇺🇸 865 88 11ms 2 days ago 339th Kacarott 🇦🇺 864 57 478ms 19 days ago 339th KatieLG 🇬🇧 864 57 414ms 19 days ago 339th edsrzf 🇳🇿 864 57 432ms 18 days ago 342nd sean-niemann 🇺🇸 862 66 215ms 18 days ago 343rd MeWhenI 🇻🇦 862 89 27ms 26 days ago 344th MeWhenI 🇻🇦 862 92 25ms 26 days ago 345th arcpolaris 861 74 389ms 17 days ago 346th MeWhenI 🇻🇦 861 136 1,783ms 26 days ago 346th emgordon154 861 136 1,699ms 26 days ago 348th Kacarott 🇦🇺 861 198 3ms 14 days ago 349th MeWhenI 🇻🇦 861 222 13ms 27 days ago 350th bitsandbeyond 🇳🇱 860 52 51ms 1 Nov 2025 351st Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 351st MeWhenI 🇻🇦 860 68 3ms 26 days ago 351st edsrzf 🇳🇿 860 68 3ms 19 days ago 351st DialFrost 🇸🇬 860 68 5ms 16 days ago 355th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 356th pardouin 🇫🇷 860 85 69ms 18 days ago 357th vhoulbreque 🇫🇷 860 106 8ms 18 days ago 358th albanian-laundromat 859 119 402ms 30 Oct 2025 359th iczelia 🇩🇪 858 71 2ms 18 days ago 360th MeWhenI 🇻🇦 857 56 679ms 26 days ago 361st CaedenHarper 🇨🇦 857 90 469ms 21 days ago 361st BlankSpruce 857 90 74ms 13 days ago 363rd emgordon154 855 86 617ms 10 hours ago 364th sean-niemann 🇺🇸 853 34 53ms 2 days ago 365th bitsandbeyond 🇳🇱 853 52 125ms 1 Nov 2025 366th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 367th rucin93 🇵🇱 852 62 2ms 31 Oct 2025 367th dokutan 852 62 2ms 21 days ago 369th bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 370th MeWhenI 🇻🇦 851 54 779ms 27 days ago 370th emgordon154 851 54 1,055ms 48 mins ago 372nd DialFrost 🇸🇬 851 57 2ms 11 hours ago 373rd davecame 851 59 11ms 13 Nov 2025 373rd Kacarott 🇦🇺 851 59 11ms 15 Nov 2025 373rd commandblockguy 🇺🇸 851 59 11ms 21 days ago 373rd dokutan 851 59 11ms 21 days ago 373rd snoozingnewt 🇨🇦 851 59 11ms 21 days ago 373rd vhoulbreque 🇫🇷 851 59 12ms 19 days ago 373rd YAJUE114514 851 59 12ms 9 days ago 380th bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 381st Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 381st MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 381st CaedenHarper 🇨🇦 850 52 8ms 21 days ago 381st emgordon154 850 52 15ms 10 hours ago 385th bitsandbeyond 🇳🇱 850 97 250ms 1 Nov 2025 386th CaedenHarper 🇨🇦 849 67 165ms 20 days ago 387th MeWhenI 🇻🇦 849 70 101ms 27 days ago 388th dokutan 848 72 4,130ms 21 days ago 389th Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 390th h3ra993huskp 🇯🇵 846 83 343ms 6 days ago 391st edsrzf 🇳🇿 845 94 185ms 19 days ago 392nd Natanaelel 🇸🇪 844 53 48ms 4 Nov 2025 393rd blaztoma 🇱🇹 842 60 7ms 19 days ago 394th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 395th dokutan 838 92 80ms 25 days ago 396th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 396th MeWhenI 🇻🇦 837 91 8ms 27 days ago 398th Shanethegamer 🇺🇸 836 55 896ms 4 Nov 2025 399th 5cw 🇺🇸 836 60 11ms 15 Nov 2025 399th enigma 836 60 13ms 14 hours ago First Prev 321–400 of 1,094 Next Last