The Calendar hole will go live in approximately 3 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 561st MeWhenI 🇻🇦 745 57 299ms 24 Nov 2025 561st CaedenHarper 🇨🇦 745 57 200ms 30 Nov 2025 561st bitsandbeyond 🇳🇱 745 57 203ms 30 Nov 2025 564th albanian-laundromat 745 64 2ms 23 Nov 2025 565th MeWhenI 🇻🇦 744 95 78ms 23 Nov 2025 566th MeWhenI 🇻🇦 742 71 87ms 23 Nov 2025 566th snoozingnewt 🇨🇦 742 71 91ms 28 Nov 2025 568th HumanoidCPU 742 107 106ms 30 Nov 2025 569th emgordon154 741 138 455ms 24 Nov 2025 569th Shanethegamer 🇺🇸 741 138 432ms 24 days ago 571st blaztoma 🇱🇹 740 91 10ms 26 days ago 572nd MeWhenI 🇻🇦 739 115 2ms 23 Nov 2025 573rd iczelia 🇩🇪 737 60 9ms 26 days ago 574th HumanoidCPU 736 74 129ms 29 Nov 2025 574th Ripick 736 74 137ms 30 Nov 2025 576th dokutan 733 61 38ms 28 Nov 2025 576th KatieLG 🇬🇧 733 61 35ms 27 days ago 578th albanian-laundromat 733 87 400ms 27 days ago 579th MeWhenI 🇻🇦 732 92 13ms 23 Nov 2025 580th vhoulbreque 🇫🇷 730 64 4ms 27 days ago 581st albanian-laundromat 730 101 149ms 23 Nov 2025 582nd MeWhenI 🇻🇦 729 52 5ms 23 Nov 2025 583rd dokutan 727 66 732ms 28 Nov 2025 583rd dokutan 727 66 253ms 26 days ago 585th albanian-laundromat 727 98 9ms 27 days ago 586th albanian-laundromat 726 75 128ms 25 Nov 2025 587th albanian-laundromat 725 61 9ms 24 Nov 2025 588th Yewzir 🇧🇪 725 105 8ms 30 Nov 2025 589th MeWhenI 🇻🇦 725 141 425ms 24 days ago 590th bitsandbeyond 🇳🇱 721 73 88ms 2 Nov 2025 591st AlephSquirrel 720 85 3,030ms 27 days ago 592nd GolfingSuccess 🇬🇷 720 99 8ms 5 Nov 2025 593rd cros107 🇦🇺 718 70 11ms 11 Nov 2025 593rd madex 🇩🇪 718 70 11ms 26 days ago 593rd CutSandstone 718 70 11ms 24 days ago 596th HumanoidCPU 718 85 2ms 29 Nov 2025 597th albanian-laundromat 718 107 24ms 30 Oct 2025 597th HumanoidCPU 718 107 27ms 27 days ago 597th Natanaelel 🇸🇪 718 107 24ms 3 days ago 600th Yewzir 🇧🇪 717 94 11ms 30 Nov 2025 601st rucin93 🇵🇱 714 68 2ms 30 Oct 2025 602nd emplv 🇱🇻 713 62 9ms 30 Oct 2025 603rd YAJUE114514 713 94 110ms 18 days ago 604th MeWhenI 🇻🇦 713 98 42ms 24 Nov 2025 605th BREMAUCY 🇫🇷 703 104 66ms 26 days ago 606th bitsandbeyond 🇳🇱 703 121 2ms 1 Nov 2025 607th aksyristos 702 87 2ms 25 days ago 608th dokutan 701 72 5ms 28 Nov 2025 609th Yewzir 🇧🇪 699 102 10ms 30 Nov 2025 610th albanian-laundromat 696 91 4ms 24 Nov 2025 611th albanian-laundromat 696 111 2,079ms 23 Nov 2025 612th TheZwierzLF 🇵🇱 694 71 464ms 16 days ago 613th zgialor-lab 694 88 2ms 11 days ago 614th albanian-laundromat 692 86 99ms 23 Nov 2025 615th Lv0Sys 🇵🇱 691 64 10ms 15 days ago 616th HumanoidCPU 691 101 45ms 30 Nov 2025 617th bitsandbeyond 🇳🇱 688 68 4ms 1 Nov 2025 618th anter69 🇭🇺 688 73 12ms 10 Nov 2025 618th albanian-laundromat 688 73 250ms 24 Nov 2025 618th ahmetdemirag 🇨🇾 688 73 12ms 28 Nov 2025 618th Yewzir 🇧🇪 688 73 12ms 30 Nov 2025 618th SirBogman 🇺🇸 688 73 13ms 26 days ago 623rd GolfingSuccess 🇬🇷 687 98 8ms 30 Nov 2025 624th HumanoidCPU 684 72 438ms 29 Nov 2025 625th BREMAUCY 🇫🇷 680 99 7ms 26 days ago 625th Schmitt-Very-Cool 680 99 8ms 22 days ago 627th Babafaba 679 74 11ms 21 Nov 2025 627th JOrE20 🇺🇸 679 74 11ms 21 Nov 2025 627th HumanoidCPU 679 74 11ms 29 Nov 2025 627th TheZwierzLF 🇵🇱 679 74 13ms 29 Nov 2025 627th BREMAUCY 🇫🇷 679 74 12ms 30 Nov 2025 627th plcc0 679 74 12ms 27 days ago 627th btjones0 679 74 11ms 27 days ago 627th RandGuy 679 74 11ms 26 days ago 627th annaproxy 679 74 13ms 26 days ago 627th aksyristos 679 74 11ms 25 days ago 627th hippalectryon-0 679 74 11ms 21 days ago 627th SB-945 679 74 12ms 9 days ago 627th te-chnical 679 74 12ms 5 days ago 640th CaedenHarper 🇨🇦 679 117 116ms 30 Nov 2025 First Prev 561–640 of 1,132 Next Last