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 481st neosimsim 793 96 8ms 26 days ago 482nd CaedenHarper 🇨🇦 792 64 96ms 19 days ago 483rd MeWhenI 🇻🇦 791 56 127ms 26 days ago 484th MeWhenI 🇻🇦 791 79 39ms 26 days ago 485th albanian-laundromat 790 74 3ms 26 days ago 486th MeWhenI 🇻🇦 788 57 311ms 25 days ago 486th CaedenHarper 🇨🇦 788 57 275ms 19 days ago 486th bitsandbeyond 🇳🇱 788 57 203ms 19 days ago 489th dokutan 787 75 4ms 17 days ago 490th edsrzf 🇳🇿 786 93 66ms 18 days ago 491st vhoulbreque 🇫🇷 786 101 110ms 17 days ago 492nd ovs-code 🇩🇪 785 77 6ms 20 days ago 493rd bitsandbeyond 🇳🇱 785 87 40ms 31 Oct 2025 493rd blaztoma 🇱🇹 785 87 42ms 18 days ago 495th emgordon154 785 106 265ms 24 days ago 496th CaedenHarper 🇨🇦 784 57 36ms 20 days ago 497th MeWhenI 🇻🇦 783 62 1ms 26 days ago 498th rucin93 🇵🇱 779 102 119ms 21 days ago 498th madex 🇩🇪 779 102 107ms 17 days ago 500th albanian-laundromat 778 90 4ms 5 days ago 501st emgordon154 777 57 137ms 23 days ago 502nd albanian-laundromat 776 88 41ms 25 days ago 503rd Shanethegamer 🇺🇸 774 62 241ms 4 Nov 2025 503rd albanian-laundromat 774 62 701ms 26 days ago 505th emgordon154 774 87 11ms 25 days ago 505th snoozingnewt 🇨🇦 774 87 10ms 18 days ago 507th dokutan 772 77 107ms 13 days ago 508th DialFrost 🇸🇬 771 65 582ms 17 days ago 509th albanian-laundromat 770 103 31ms 25 days ago 510th HumanoidCPU 769 74 129ms 20 days ago 510th Ripick 769 74 137ms 19 days ago 512th dokutan 766 61 783ms 20 days ago 513th MeWhenI 🇻🇦 766 77 4ms 25 days ago 514th CaedenHarper 🇨🇦 766 96 153ms 20 days ago 515th AlephSquirrel 763 38 63ms 19 days ago 516th CaedenHarper 🇨🇦 763 58 125ms 19 days ago 517th emgordon154 763 80 3,931ms 19 days ago 518th albanian-laundromat 763 92 349ms 26 days ago 519th madex 🇩🇪 762 80 2ms 17 days ago 520th dokutan 762 82 38ms 20 days ago 521st blaztoma 🇱🇹 761 63 256ms 18 days ago 522nd Shanethegamer 🇺🇸 760 93 78ms 2 Nov 2025 523rd albanian-laundromat 759 75 128ms 24 days ago 524th albanian-laundromat 758 64 2ms 26 days ago 525th albanian-laundromat 757 89 10ms 18 days ago 526th dokutan 754 62 6ms 6 days ago 527th MeWhenI 🇻🇦 753 97 70ms 25 days ago 528th DialFrost 🇸🇬 752 136 436ms 16 days ago 529th duckyluuk 🇳🇱 750 95 8ms 30 Oct 2025 530th dokutan 749 59 9ms 21 days ago 531st bitsandbeyond 🇳🇱 748 90 10ms 31 Oct 2025 532nd HumanoidCPU 747 102 8ms 19 days ago 532nd bitsandbeyond 🇳🇱 747 102 9ms 19 days ago 534th CaedenHarper 🇨🇦 746 157 2,347ms 19 days ago 535th albanian-laundromat 744 64 2ms 26 days ago 536th MeWhenI 🇻🇦 744 95 78ms 26 days ago 537th MeWhenI 🇻🇦 742 71 87ms 26 days ago 537th snoozingnewt 🇨🇦 742 71 91ms 21 days ago 539th HumanoidCPU 742 107 106ms 19 days ago 540th emgordon154 741 138 455ms 25 days ago 540th Shanethegamer 🇺🇸 741 138 432ms 15 days ago 542nd blaztoma 🇱🇹 740 91 10ms 17 days ago 543rd MeWhenI 🇻🇦 739 115 2ms 26 days ago 544th iczelia 🇩🇪 736 60 9ms 17 days ago 545th dokutan 733 61 38ms 20 days ago 545th KatieLG 🇬🇧 733 61 36ms 18 days ago 547th albanian-laundromat 732 87 400ms 19 days ago 548th MeWhenI 🇻🇦 732 92 13ms 26 days ago 549th vhoulbreque 🇫🇷 730 64 4ms 18 days ago 550th MeWhenI 🇻🇦 729 52 5ms 26 days ago 551st albanian-laundromat 728 101 149ms 26 days ago 552nd dokutan 727 66 732ms 21 days ago 552nd dokutan 727 66 253ms 18 days ago 554th albanian-laundromat 727 98 9ms 19 days ago 555th Yewzir 🇧🇪 725 105 8ms 19 days ago 556th MeWhenI 🇻🇦 725 141 425ms 15 days ago 557th albanian-laundromat 724 61 9ms 25 days ago 558th bitsandbeyond 🇳🇱 721 73 88ms 2 Nov 2025 559th GolfingSuccess 🇬🇷 720 99 8ms 5 Nov 2025 560th AlephSquirrel 718 85 4,383ms 18 days ago First Prev 481–560 of 1,086 Next Last