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 chars. 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 Chars Time Submitted 401st dokutan 839 92 58ms 24 Nov 2025 402nd ovs-code 🇩🇪 838 76 12ms 3 Nov 2025 403rd Shanethegamer 🇺🇸 837 68 4ms 4 Nov 2025 403rd MeWhenI 🇻🇦 837 68 3ms 23 Nov 2025 403rd edsrzf 🇳🇿 837 68 3ms 24 days ago 403rd DialFrost 🇸🇬 837 68 3ms 21 days ago 407th fuzzylojik-golf 🇺🇸 837 88 371ms 22 days ago 408th Shanethegamer 🇺🇸 837 91 8ms 3 Nov 2025 408th MeWhenI 🇻🇦 837 91 8ms 23 Nov 2025 410th bitsandbeyond 🇳🇱 836 52 125ms 1 Nov 2025 411th Shanethegamer 🇺🇸 836 55 896ms 4 Nov 2025 412th davecame 836 59 11ms 13 Nov 2025 412th Kacarott 🇦🇺 836 59 11ms 15 Nov 2025 412th commandblockguy 🇺🇸 836 59 11ms 27 days ago 412th YAJUE114514 836 59 12ms 15 days ago 416th dokutan 836 73 2ms 24 Nov 2025 417th ethanlally 836 84 574ms 23 Nov 2025 417th dokutan 836 84 342ms 26 days ago 417th jkelly467 836 84 390ms 23 days ago 420th GolfingSuccess 🇬🇷 836 94 139ms 27 days ago 420th DialFrost 🇸🇬 836 94 102ms 21 days ago 422nd rucin93 🇵🇱 835 56 5ms 30 Oct 2025 423rd bitsandbeyond 🇳🇱 835 78 119ms 1 Nov 2025 423rd dokutan 835 78 121ms 23 days ago 425th snoozingnewt 🇨🇦 834 53 9ms 26 days ago 425th Yax42 🇫🇷 834 53 9ms 23 days ago 427th KatieLG 🇬🇧 833 57 414ms 24 days ago 427th edsrzf 🇳🇿 833 57 432ms 24 days ago 427th Natanaelel 🇸🇪 833 57 484ms 7 mins ago 430th CaedenHarper 🇨🇦 833 75 39ms 25 days ago 431st MeWhenI 🇻🇦 833 99 252ms 23 Nov 2025 432nd jkelly467 833 102 2ms 23 days ago 433rd DialFrost 🇸🇬 832 59 96ms 23 days ago 434th GolfingSuccess 🇬🇷 831 84 39ms 3 Nov 2025 435th Shanethegamer 🇺🇸 828 54 39ms 3 Nov 2025 435th blaztoma 🇱🇹 828 54 35ms 25 days ago 437th edsrzf 🇳🇿 828 61 6ms 24 days ago 437th DialFrost 🇸🇬 828 61 5ms 23 days ago 439th Natanaelel 🇸🇪 828 81 120ms 27 days ago 440th bitsandbeyond 🇳🇱 828 89 363ms 2 Nov 2025 441st kg583 🇺🇸 828 92 9ms 30 Oct 2025 442nd sean-niemann 🇺🇸 825 66 215ms 23 days ago 443rd 5cw 🇺🇸 822 60 11ms 15 Nov 2025 443rd Lv0Sys 🇵🇱 822 60 12ms 28 hours ago 445th rucin93 🇵🇱 822 76 41ms 30 Oct 2025 446th CaedenHarper 🇨🇦 821 56 806ms 25 days ago 447th voytxt 🇨🇿 819 54 9ms 22 Nov 2025 447th KatieLG 🇬🇧 819 54 9ms 24 days ago 447th KrausRaus 🇺🇸 819 54 9ms 21 days ago 450th AlephSquirrel 819 93 9ms 30 Oct 2025 451st Shanethegamer 🇺🇸 818 52 3ms 4 Nov 2025 451st fuzzylojik-golf 🇺🇸 818 52 3ms 21 days ago 453rd dokutan 818 78 385ms 24 Nov 2025 454th edsrzf 🇳🇿 818 82 158ms 6 days ago 455th blaztoma 🇱🇹 818 96 124ms 25 days ago 456th blaztoma 🇱🇹 817 101 259ms 23 days ago 457th KasperKivimaeki 🇫🇮 817 104 2ms 2 Nov 2025 458th snoozingnewt 🇨🇦 816 94 26ms 24 days ago 459th MeWhenI 🇻🇦 813 55 35ms 21 Nov 2025 460th MeWhenI 🇻🇦 813 59 223ms 23 Nov 2025 461st CaedenHarper 🇨🇦 813 67 165ms 25 days ago 462nd dokutan 813 70 3ms 26 days ago 463rd Shanethegamer 🇺🇸 812 83 12ms 2 Nov 2025 464th AlephSquirrel 812 90 65ms 24 days ago 465th MeWhenI 🇻🇦 810 88 10ms 21 days ago 466th snoozingnewt 🇨🇦 810 94 8ms 24 days ago 466th blaztoma 🇱🇹 810 94 8ms 23 days ago 466th BREMAUCY 🇫🇷 810 94 9ms 19 days ago 469th snoozingnewt 🇨🇦 810 97 120ms 24 days ago 470th Shanethegamer 🇺🇸 809 60 1ms 3 Nov 2025 471st albanian-laundromat 808 61 11ms 23 Nov 2025 471st hiichbindermax 808 61 11ms 21 days ago 471st Emutis 🇱🇹 808 61 12ms 17 days ago 474th Shanethegamer 🇺🇸 808 73 3ms 3 Nov 2025 475th bitsandbeyond 🇳🇱 808 87 625ms 1 Nov 2025 476th luuumine 🇫🇷 806 58 5ms 21 days ago 477th emgordon154 805 54 128ms 4 days ago 478th dokutan 805 61 92ms 26 days ago 479th CaedenHarper 🇨🇦 805 74 101ms 25 days ago 480th Maznek 804 55 9ms 15 days ago First Prev 401–480 of 1,110 Next Last