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 400th emgordon154 835 56 799ms 25 days ago 400th CaedenHarper 🇨🇦 835 56 806ms 19 days ago 403rd dokutan 835 70 3ms 21 days ago 404th dokutan 835 73 2ms 25 days ago 405th bitsandbeyond 🇳🇱 835 78 119ms 1 Nov 2025 405th dokutan 835 78 121ms 18 days ago 407th snoozingnewt 🇨🇦 834 53 9ms 21 days ago 407th Yax42 🇫🇷 834 53 9ms 17 days ago 409th dokutan 834 59 362ms 21 days ago 409th snoozingnewt 🇨🇦 834 59 453ms 21 days ago 411th CaedenHarper 🇨🇦 833 75 39ms 19 days ago 412th jkelly467 833 102 2ms 17 days ago 413th MeWhenI 🇻🇦 832 100 252ms 26 days ago 414th dokutan 831 61 92ms 21 days ago 415th GolfingSuccess 🇬🇷 831 84 39ms 3 Nov 2025 416th albanian-laundromat 831 85 85ms 3 days ago 417th Shanethegamer 🇺🇸 828 54 53ms 3 Nov 2025 417th blaztoma 🇱🇹 828 54 33ms 19 days ago 419th edsrzf 🇳🇿 828 61 6ms 18 days ago 419th DialFrost 🇸🇬 828 61 6ms 17 days ago 421st Natanaelel 🇸🇪 828 81 120ms 22 days ago 422nd kg583 🇺🇸 828 92 9ms 30 Oct 2025 423rd bitsandbeyond 🇳🇱 827 89 363ms 2 Nov 2025 424th blaztoma 🇱🇹 827 96 149ms 19 days ago 425th blaztoma 🇱🇹 824 101 259ms 18 days ago 426th albanian-laundromat 823 61 11ms 26 days ago 426th hiichbindermax 823 61 11ms 16 days ago 426th Emutis 🇱🇹 823 61 12ms 12 days ago 429th rucin93 🇵🇱 822 76 41ms 30 Oct 2025 430th albanian-laundromat 820 60 374ms 26 days ago 431st AlephSquirrel 819 93 9ms 30 Oct 2025 432nd snoozingnewt 🇨🇦 819 97 120ms 18 days ago 433rd Shanethegamer 🇺🇸 818 52 3ms 4 Nov 2025 433rd fuzzylojik-golf 🇺🇸 818 52 3ms 16 days ago 435th voytxt 🇨🇿 818 54 9ms 27 days ago 435th KatieLG 🇬🇧 818 54 9ms 18 days ago 435th KrausRaus 🇺🇸 818 54 9ms 16 days ago 438th edsrzf 🇳🇿 818 82 158ms 17 hours ago 439th Shanethegamer 🇺🇸 817 62 94ms 3 Nov 2025 440th dokutan 817 78 385ms 25 days ago 441st KasperKivimaeki 🇫🇮 817 104 2ms 2 Nov 2025 442nd snoozingnewt 🇨🇦 816 94 26ms 18 days ago 443rd canissimia 🇦🇶 816 209 3ms 23 days ago 444th MeWhenI 🇻🇦 813 55 49ms 21 Nov 2025 445th MeWhenI 🇻🇦 813 59 238ms 26 days ago 446th bitsandbeyond 🇳🇱 813 70 119ms 2 Nov 2025 447th bitsandbeyond 🇳🇱 813 74 1,242ms 31 Oct 2025 448th bitsandbeyond 🇳🇱 812 72 3ms 2 Nov 2025 449th Shanethegamer 🇺🇸 812 83 12ms 2 Nov 2025 449th dokutan 812 83 11ms 18 days ago 451st AlephSquirrel 812 90 65ms 19 days ago 452nd MeWhenI 🇻🇦 810 88 10ms 16 days ago 453rd snoozingnewt 🇨🇦 810 94 8ms 18 days ago 453rd blaztoma 🇱🇹 810 94 8ms 18 days ago 453rd BREMAUCY 🇫🇷 810 94 9ms 13 days ago 456th Shanethegamer 🇺🇸 809 60 1ms 3 Nov 2025 457th inventshah 809 62 10ms 11 days ago 458th Shanethegamer 🇺🇸 808 73 3ms 3 Nov 2025 459th albanian-laundromat 808 103 262ms 26 days ago 459th DialFrost 🇸🇬 808 103 247ms 16 days ago 461st bitsandbeyond 🇳🇱 807 87 625ms 1 Nov 2025 462nd luuumine 🇫🇷 806 58 5ms 16 days ago 463rd Shanethegamer 🇺🇸 805 55 133ms 4 Nov 2025 464th MeWhenI 🇻🇦 804 63 96ms 26 days ago 465th Maznek 803 55 9ms 9 days ago 466th CaedenHarper 🇨🇦 803 74 101ms 19 days ago 467th CaedenHarper 🇨🇦 803 88 78ms 19 days ago 468th MeWhenI 🇻🇦 802 53 3ms 20 days ago 469th CLOStrophobic 🇮🇹 802 95 8ms 15 days ago 470th MeWhenI 🇻🇦 801 63 5ms 25 days ago 471st albanian-laundromat 801 78 41ms 25 days ago 472nd Natanaelel 🇸🇪 800 55 127ms 4 Nov 2025 473rd emgordon154 800 60 725ms 19 days ago 473rd snoozingnewt 🇨🇦 800 60 726ms 18 days ago 475th dokutan 800 92 378ms 21 days ago 476th DialFrost 🇸🇬 798 66 125ms 16 days ago 477th Shanethegamer 🇺🇸 794 92 73ms 3 Nov 2025 477th blaztoma 🇱🇹 794 92 64ms 17 days ago 479th Shanethegamer 🇺🇸 794 100 112ms 3 Nov 2025 480th albanian-laundromat 793 77 2,962ms 26 days ago First Prev 401–480 of 1,086 Next Last