The Calendar hole will go live in approximately 6 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 🇸🇪 848 46 33ms 8 Nov 2025 402nd h3ra993huskp 🇯🇵 847 83 343ms 11 days ago 403rd edsrzf 🇳🇿 845 94 137ms 24 days ago 404th Natanaelel 🇸🇪 844 53 38ms 4 Nov 2025 405th emgordon154 842 57 906ms 4 days ago 406th blaztoma 🇱🇹 842 60 7ms 25 days ago 407th dokutan 839 92 58ms 24 Nov 2025 408th ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 409th 5cw 🇺🇸 837 60 11ms 15 Nov 2025 409th taifu 837 60 12ms 4 days ago 409th Lv0Sys 🇵🇱 837 60 12ms 32 hours ago 412th Shanethegamer 🇺🇸 837 68 4ms 4 Nov 2025 412th MeWhenI 🇻🇦 837 68 3ms 23 Nov 2025 412th edsrzf 🇳🇿 837 68 3ms 24 days ago 412th DialFrost 🇸🇬 837 68 3ms 21 days ago 416th fuzzylojik-golf 🇺🇸 837 88 371ms 22 days ago 417th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 417th MeWhenI 🇻🇦 837 91 8ms 23 Nov 2025 419th Shanethegamer 🇺🇸 836 55 896ms 4 Nov 2025 420th dokutan 836 73 2ms 24 Nov 2025 421st ethanlally 836 84 574ms 23 Nov 2025 421st dokutan 836 84 342ms 27 days ago 421st jkelly467 836 84 390ms 23 days ago 424th GolfingSuccess 🇬🇷 836 95 139ms 27 days ago 424th DialFrost 🇸🇬 836 95 102ms 22 days ago 426th rucin93 🇵🇱 835 56 5ms 30 Oct 2025 427th dokutan 835 59 362ms 27 days ago 427th snoozingnewt 🇨🇦 835 59 453ms 26 days ago 429th bitsandbeyond 🇳🇱 835 78 119ms 1 Nov 2025 429th dokutan 835 78 121ms 23 days ago 431st snoozingnewt 🇨🇦 834 53 9ms 26 days ago 431st Yax42 🇫🇷 834 53 9ms 23 days ago 433rd CaedenHarper 🇨🇦 833 75 39ms 25 days ago 434th jkelly467 833 102 2ms 23 days ago 435th DialFrost 🇸🇬 832 59 96ms 23 days ago 436th GolfingSuccess 🇬🇷 831 84 39ms 3 Nov 2025 437th albanian-laundromat 831 85 85ms 8 days ago 438th Shanethegamer 🇺🇸 828 54 39ms 3 Nov 2025 438th blaztoma 🇱🇹 828 54 35ms 25 days ago 440th edsrzf 🇳🇿 828 61 6ms 24 days ago 440th DialFrost 🇸🇬 828 61 5ms 23 days ago 442nd Natanaelel 🇸🇪 828 81 120ms 27 days ago 443rd bitsandbeyond 🇳🇱 828 89 363ms 2 Nov 2025 444th kg583 🇺🇸 828 92 9ms 30 Oct 2025 445th blaztoma 🇱🇹 827 96 124ms 25 days ago 446th MeWhenI 🇻🇦 826 100 252ms 23 Nov 2025 447th sean-niemann 🇺🇸 825 66 215ms 23 days ago 448th albanian-laundromat 823 61 11ms 23 Nov 2025 448th hiichbindermax 823 61 11ms 21 days ago 448th Emutis 🇱🇹 823 61 12ms 18 days ago 451st rucin93 🇵🇱 822 76 41ms 30 Oct 2025 452nd emgordon154 821 54 128ms 4 days ago 453rd CaedenHarper 🇨🇦 821 56 806ms 25 days ago 454th albanian-laundromat 821 60 374ms 23 Nov 2025 455th voytxt 🇨🇿 819 54 9ms 22 Nov 2025 455th KatieLG 🇬🇧 819 54 9ms 24 days ago 455th KrausRaus 🇺🇸 819 54 9ms 21 days ago 458th AlephSquirrel 819 93 9ms 30 Oct 2025 459th snoozingnewt 🇨🇦 819 97 120ms 24 days ago 460th Shanethegamer 🇺🇸 818 52 3ms 4 Nov 2025 460th fuzzylojik-golf 🇺🇸 818 52 3ms 22 days ago 462nd dokutan 818 78 385ms 24 Nov 2025 463rd edsrzf 🇳🇿 818 82 158ms 6 days ago 464th snoozingnewt 🇨🇦 818 94 26ms 24 days ago 465th blaztoma 🇱🇹 817 101 259ms 23 days ago 466th KasperKivimaeki 🇫🇮 817 104 2ms 2 Nov 2025 467th MeWhenI 🇻🇦 813 55 35ms 21 Nov 2025 468th MeWhenI 🇻🇦 813 59 223ms 23 Nov 2025 469th CaedenHarper 🇨🇦 813 67 165ms 25 days ago 470th dokutan 813 70 3ms 26 days ago 471st Shanethegamer 🇺🇸 812 83 12ms 2 Nov 2025 471st dokutan 812 83 11ms 23 days ago 473rd AlephSquirrel 812 90 65ms 24 days ago 474th inventshah 810 62 10ms 17 days ago 475th MeWhenI 🇻🇦 810 88 10ms 21 days ago 476th snoozingnewt 🇨🇦 810 94 8ms 24 days ago 476th blaztoma 🇱🇹 810 94 8ms 23 days ago 476th BREMAUCY 🇫🇷 810 94 9ms 19 days ago 479th Shanethegamer 🇺🇸 809 60 1ms 3 Nov 2025 480th Shanethegamer 🇺🇸 808 73 3ms 3 Nov 2025 First Prev 401–480 of 1,125 Next Last