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 481st bitsandbeyond 🇳🇱 808 87 625ms 1 Nov 2025 482nd Shanethegamer 🇺🇸 806 55 133ms 4 Nov 2025 483rd luuumine 🇫🇷 806 58 5ms 22 days ago 484th dokutan 805 61 92ms 26 days ago 485th CaedenHarper 🇨🇦 805 74 101ms 25 days ago 486th Maznek 804 55 9ms 15 days ago 487th CaedenHarper 🇨🇦 803 88 78ms 25 days ago 488th MeWhenI 🇻🇦 802 53 3ms 26 days ago 489th CLOStrophobic 🇮🇹 802 95 8ms 21 days ago 490th albanian-laundromat 802 103 262ms 23 Nov 2025 491st MeWhenI 🇻🇦 801 63 5ms 24 Nov 2025 492nd albanian-laundromat 801 78 41ms 24 Nov 2025 493rd dokutan 801 92 378ms 26 days ago 494th Natanaelel 🇸🇪 800 55 120ms 4 Nov 2025 495th snoozingnewt 🇨🇦 800 60 726ms 24 days ago 496th DialFrost 🇸🇬 798 66 125ms 21 days ago 497th albanian-laundromat 794 77 2,962ms 23 Nov 2025 498th Shanethegamer 🇺🇸 794 92 70ms 3 Nov 2025 498th blaztoma 🇱🇹 794 92 64ms 23 days ago 500th Shanethegamer 🇺🇸 794 100 112ms 3 Nov 2025 501st neosimsim 793 96 8ms 23 Nov 2025 502nd MeWhenI 🇻🇦 792 56 127ms 23 Nov 2025 503rd Shanethegamer 🇺🇸 792 62 94ms 3 Nov 2025 504th bitsandbeyond 🇳🇱 792 74 1,242ms 31 Oct 2025 505th MeWhenI 🇻🇦 791 79 39ms 23 Nov 2025 506th bitsandbeyond 🇳🇱 790 72 3ms 2 Nov 2025 507th dokutan 787 75 4ms 23 days ago 508th edsrzf 🇳🇿 786 93 64ms 24 days ago 509th vhoulbreque 🇫🇷 786 101 110ms 23 days ago 510th CaedenHarper 🇨🇦 785 57 36ms 26 days ago 511th ovs-code 🇩🇪 785 77 6ms 25 days ago 512th bitsandbeyond 🇳🇱 785 87 40ms 31 Oct 2025 512th blaztoma 🇱🇹 785 87 42ms 23 days ago 514th emgordon154 784 78 2,848ms 4 days ago 515th MeWhenI 🇻🇦 783 62 1ms 23 Nov 2025 516th emgordon154 783 86 12ms 4 days ago 517th Kacarott 🇦🇺 781 198 3ms 20 days ago 518th MeWhenI 🇻🇦 779 63 96ms 23 Nov 2025 519th rucin93 🇵🇱 779 102 119ms 27 days ago 519th madex 🇩🇪 779 102 107ms 23 days ago 521st emgordon154 779 106 265ms 25 Nov 2025 522nd bitsandbeyond 🇳🇱 778 70 119ms 2 Nov 2025 523rd albanian-laundromat 778 90 3ms 11 days ago 524th albanian-laundromat 776 88 41ms 24 Nov 2025 525th Shanethegamer 🇺🇸 774 62 235ms 4 Nov 2025 525th albanian-laundromat 774 62 701ms 23 Nov 2025 527th snoozingnewt 🇨🇦 774 87 10ms 24 days ago 528th DialFrost 🇸🇬 773 65 582ms 23 days ago 529th dokutan 773 77 107ms 19 days ago 530th albanian-laundromat 770 103 31ms 24 Nov 2025 531st albanian-laundromat 769 74 3ms 23 Nov 2025 532nd CaedenHarper 🇨🇦 768 96 153ms 26 days ago 533rd CaedenHarper 🇨🇦 767 64 96ms 25 days ago 534th emgordon154 767 135 1,703ms 17 hours ago 535th MeWhenI 🇻🇦 766 77 4ms 24 Nov 2025 536th CaedenHarper 🇨🇦 764 58 125ms 25 days ago 537th albanian-laundromat 764 92 349ms 23 Nov 2025 538th AlephSquirrel 763 38 41ms 24 days ago 539th madex 🇩🇪 762 80 2ms 23 days ago 540th dokutan 762 82 38ms 26 days ago 541st blaztoma 🇱🇹 761 63 248ms 23 days ago 542nd MeWhenI 🇻🇦 761 136 1,783ms 23 Nov 2025 543rd Shanethegamer 🇺🇸 760 93 78ms 2 Nov 2025 544th albanian-laundromat 758 64 2ms 23 Nov 2025 545th albanian-laundromat 757 89 10ms 24 days ago 546th dokutan 754 61 783ms 26 days ago 547th dokutan 754 62 5ms 11 days ago 548th H3XDaemon 753 81 2ms 5 days ago 549th MeWhenI 🇻🇦 753 97 63ms 24 Nov 2025 550th DialFrost 🇸🇬 752 136 436ms 21 days ago 551st dokutan 750 59 9ms 27 days ago 552nd duckyluuk 🇳🇱 750 95 8ms 30 Oct 2025 553rd bitsandbeyond 🇳🇱 748 90 10ms 31 Oct 2025 554th HumanoidCPU 747 102 8ms 25 days ago 554th bitsandbeyond 🇳🇱 747 102 9ms 25 days ago 556th MeWhenI 🇻🇦 745 57 299ms 24 Nov 2025 556th CaedenHarper 🇨🇦 745 57 200ms 25 days ago 556th bitsandbeyond 🇳🇱 745 57 203ms 25 days ago 559th albanian-laundromat 745 64 2ms 23 Nov 2025 560th MeWhenI 🇻🇦 744 95 78ms 23 Nov 2025 First Prev 481–560 of 1,125 Next Last