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 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 KatieLG 🇬🇧 867 98 2ms 18 days ago 322nd targrik 866 51 9ms 30 Oct 2025 322nd luuumine 🇫🇷 866 51 8ms 16 days ago 324th MeWhenI 🇻🇦 866 54 779ms 26 days ago 325th rucin93 🇵🇱 865 58 11ms 30 Oct 2025 326th MeWhenI 🇻🇦 865 79 57ms 26 days ago 327th edsrzf 🇳🇿 865 88 8ms 30 Oct 2025 327th sean-niemann 🇺🇸 865 88 11ms 41 hours ago 329th emgordon154 863 57 549ms 25 days ago 329th Kacarott 🇦🇺 863 57 478ms 19 days ago 329th KatieLG 🇬🇧 863 57 414ms 18 days ago 329th edsrzf 🇳🇿 863 57 432ms 18 days ago 333rd sean-niemann 🇺🇸 862 66 215ms 17 days ago 334th MeWhenI 🇻🇦 862 89 27ms 25 days ago 335th MeWhenI 🇻🇦 862 92 25ms 25 days ago 336th arcpolaris 861 74 389ms 16 days ago 337th MeWhenI 🇻🇦 861 136 1,783ms 26 days ago 337th emgordon154 861 136 1,699ms 25 days ago 339th Kacarott 🇦🇺 861 198 3ms 14 days ago 340th MeWhenI 🇻🇦 861 222 13ms 26 days ago 341st Shanethegamer 🇺🇸 860 68 4ms 4 Nov 2025 341st MeWhenI 🇻🇦 860 68 3ms 26 days ago 341st edsrzf 🇳🇿 860 68 3ms 18 days ago 341st DialFrost 🇸🇬 860 68 5ms 16 days ago 345th GolfingSuccess 🇬🇷 860 74 13ms 15 Nov 2025 346th pardouin 🇫🇷 860 85 69ms 18 days ago 347th vhoulbreque 🇫🇷 860 106 8ms 18 days ago 348th bitsandbeyond 🇳🇱 859 52 51ms 1 Nov 2025 349th DialFrost 🇸🇬 859 59 96ms 17 days ago 350th albanian-laundromat 859 119 402ms 30 Oct 2025 351st emgordon154 858 71 2ms 24 days ago 351st iczelia 🇩🇪 858 71 2ms 17 days ago 353rd bitsandbeyond 🇳🇱 858 97 250ms 1 Nov 2025 354th MeWhenI 🇻🇦 857 56 679ms 25 days ago 355th CaedenHarper 🇨🇦 857 90 469ms 20 days ago 355th BlankSpruce 857 90 74ms 13 days ago 355th emgordon154 857 90 63ms 4 days ago 358th emgordon154 855 86 617ms 49 mins ago 359th sean-niemann 🇺🇸 853 34 53ms 42 hours ago 360th bitsandbeyond 🇳🇱 853 90 26ms 2 Nov 2025 361st rucin93 🇵🇱 852 62 2ms 31 Oct 2025 361st dokutan 852 62 2ms 21 days ago 363rd bitsandbeyond 🇳🇱 852 93 27ms 1 Nov 2025 364th bitsandbeyond 🇳🇱 851 52 125ms 1 Nov 2025 365th DialFrost 🇸🇬 851 57 2ms 116 mins ago 366th davecame 851 59 11ms 13 Nov 2025 366th Kacarott 🇦🇺 851 59 11ms 15 Nov 2025 366th emgordon154 851 59 10ms 25 days ago 366th commandblockguy 🇺🇸 851 59 11ms 21 days ago 366th dokutan 851 59 11ms 21 days ago 366th snoozingnewt 🇨🇦 851 59 11ms 21 days ago 366th vhoulbreque 🇫🇷 851 59 12ms 18 days ago 366th YAJUE114514 851 59 12ms 9 days ago 374th bitsandbeyond 🇳🇱 851 83 77ms 31 Oct 2025 375th Shanethegamer 🇺🇸 850 52 9ms 4 Nov 2025 375th MeWhenI 🇻🇦 850 52 8ms 21 Nov 2025 375th CaedenHarper 🇨🇦 850 52 8ms 20 days ago 375th emgordon154 850 52 15ms 49 mins ago 379th Shanethegamer 🇺🇸 850 55 896ms 4 Nov 2025 380th CaedenHarper 🇨🇦 849 67 165ms 19 days ago 381st MeWhenI 🇻🇦 849 70 101ms 26 days ago 382nd dokutan 848 72 4,130ms 21 days ago 383rd Natanaelel 🇸🇪 847 46 33ms 8 Nov 2025 384th h3ra993huskp 🇯🇵 846 83 343ms 5 days ago 385th edsrzf 🇳🇿 845 94 185ms 18 days ago 386th Natanaelel 🇸🇪 843 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 26 days ago 392nd 5cw 🇺🇸 836 60 11ms 15 Nov 2025 392nd enigma 836 60 13ms 5 hours ago 394th ethanlally 836 84 574ms 26 days ago 394th dokutan 836 84 342ms 21 days ago 394th jkelly467 836 84 390ms 17 days ago 397th fuzzylojik-golf 🇺🇸 836 88 371ms 17 days ago 398th GolfingSuccess 🇬🇷 836 95 139ms 21 days ago 398th DialFrost 🇸🇬 836 95 102ms 16 days ago 400th rucin93 🇵🇱 835 56 5ms 30 Oct 2025 First Prev 321–400 of 1,086 Next Last