The Calendar hole will go live in approximately 7 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 401st Natanaelel 🇸🇪 844 53 37ms 4 Nov 2025 402nd emgordon154 842 57 906ms 3 days ago 403rd blaztoma 🇱🇹 842 60 7ms 24 days ago 404th dokutan 839 92 58ms 24 Nov 2025 405th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 406th 5cw 🇺🇸 837 60 11ms 15 Nov 2025 406th taifu 837 60 12ms 3 days ago 406th Lv0Sys 🇵🇱 837 60 12ms 7 hours ago 409th Shanethegamer 🇺🇸 837 68 4ms 4 Nov 2025 409th MeWhenI 🇻🇦 837 68 3ms 23 Nov 2025 409th edsrzf 🇳🇿 837 68 3ms 23 days ago 409th DialFrost 🇸🇬 837 68 3ms 20 days ago 413th fuzzylojik-golf 🇺🇸 837 88 371ms 21 days ago 414th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 414th MeWhenI 🇻🇦 837 91 8ms 23 Nov 2025 416th Shanethegamer 🇺🇸 836 55 896ms 4 Nov 2025 417th dokutan 836 73 2ms 24 Nov 2025 418th ethanlally 836 84 574ms 23 Nov 2025 418th dokutan 836 84 342ms 26 days ago 418th jkelly467 836 84 390ms 22 days ago 421st GolfingSuccess 🇬🇷 836 95 139ms 26 days ago 421st DialFrost 🇸🇬 836 95 102ms 21 days ago 423rd rucin93 🇵🇱 835 56 5ms 30 Oct 2025 424th bitsandbeyond 🇳🇱 835 78 119ms 1 Nov 2025 424th dokutan 835 78 121ms 22 days ago 426th snoozingnewt 🇨🇦 834 53 9ms 25 days ago 426th Yax42 🇫🇷 834 53 9ms 22 days ago 428th dokutan 834 59 362ms 26 days ago 428th snoozingnewt 🇨🇦 834 59 453ms 25 days ago 430th CaedenHarper 🇨🇦 833 75 39ms 24 days ago 431st jkelly467 833 102 2ms 22 days ago 432nd DialFrost 🇸🇬 832 59 96ms 22 days ago 433rd GolfingSuccess 🇬🇷 831 84 39ms 3 Nov 2025 434th albanian-laundromat 831 85 85ms 7 days ago 435th Shanethegamer 🇺🇸 828 54 43ms 3 Nov 2025 435th blaztoma 🇱🇹 828 54 33ms 24 days ago 437th edsrzf 🇳🇿 828 61 6ms 23 days ago 437th DialFrost 🇸🇬 828 61 5ms 22 days ago 439th Natanaelel 🇸🇪 828 81 120ms 26 days ago 440th bitsandbeyond 🇳🇱 828 89 363ms 2 Nov 2025 441st kg583 🇺🇸 828 92 9ms 30 Oct 2025 442nd blaztoma 🇱🇹 827 96 149ms 24 days ago 443rd sean-niemann 🇺🇸 825 66 215ms 22 days ago 444th MeWhenI 🇻🇦 825 100 252ms 23 Nov 2025 445th albanian-laundromat 823 61 11ms 23 Nov 2025 445th hiichbindermax 823 61 11ms 20 days ago 445th Emutis 🇱🇹 823 61 12ms 17 days ago 448th rucin93 🇵🇱 822 76 41ms 30 Oct 2025 449th emgordon154 821 54 128ms 3 days ago 450th CaedenHarper 🇨🇦 821 56 806ms 24 days ago 451st albanian-laundromat 820 60 374ms 23 Nov 2025 452nd voytxt 🇨🇿 819 54 9ms 22 Nov 2025 452nd KatieLG 🇬🇧 819 54 9ms 23 days ago 452nd KrausRaus 🇺🇸 819 54 9ms 20 days ago 455th AlephSquirrel 819 93 9ms 30 Oct 2025 456th snoozingnewt 🇨🇦 819 97 120ms 23 days ago 457th Shanethegamer 🇺🇸 818 52 3ms 4 Nov 2025 457th fuzzylojik-golf 🇺🇸 818 52 3ms 21 days ago 459th dokutan 818 78 385ms 24 Nov 2025 460th edsrzf 🇳🇿 818 82 158ms 5 days ago 461st blaztoma 🇱🇹 817 101 259ms 22 days ago 462nd KasperKivimaeki 🇫🇮 817 104 2ms 2 Nov 2025 463rd snoozingnewt 🇨🇦 816 94 26ms 23 days ago 464th MeWhenI 🇻🇦 813 55 40ms 21 Nov 2025 465th MeWhenI 🇻🇦 813 59 238ms 23 Nov 2025 466th CaedenHarper 🇨🇦 813 67 165ms 24 days ago 467th dokutan 813 70 3ms 25 days ago 468th Shanethegamer 🇺🇸 812 83 12ms 2 Nov 2025 468th dokutan 812 83 11ms 22 days ago 470th AlephSquirrel 812 90 65ms 23 days ago 471st inventshah 810 62 10ms 16 days ago 472nd MeWhenI 🇻🇦 810 88 10ms 20 days ago 473rd snoozingnewt 🇨🇦 810 94 8ms 23 days ago 473rd blaztoma 🇱🇹 810 94 8ms 22 days ago 473rd BREMAUCY 🇫🇷 810 94 9ms 18 days ago 476th Shanethegamer 🇺🇸 809 60 1ms 3 Nov 2025 477th Shanethegamer 🇺🇸 808 73 3ms 3 Nov 2025 478th bitsandbeyond 🇳🇱 808 87 625ms 1 Nov 2025 479th Shanethegamer 🇺🇸 806 55 133ms 4 Nov 2025 480th luuumine 🇫🇷 806 58 5ms 21 days ago First Prev 401–480 of 1,119 Next Last