The Calendar hole will go live in approximately 95 mins. 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 ArkScript 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 ArkScript 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 dokutan 750 59 10ms 28 Nov 2025 562nd duckyluuk 🇳🇱 750 95 8ms 30 Oct 2025 563rd bitsandbeyond 🇳🇱 748 90 10ms 31 Oct 2025 564th HumanoidCPU 747 102 8ms 30 Nov 2025 564th bitsandbeyond 🇳🇱 747 102 9ms 30 Nov 2025 566th MeWhenI 🇻🇦 745 57 299ms 24 Nov 2025 566th CaedenHarper 🇨🇦 745 57 200ms 30 Nov 2025 566th bitsandbeyond 🇳🇱 745 57 203ms 30 Nov 2025 569th albanian-laundromat 745 64 2ms 23 Nov 2025 570th MeWhenI 🇻🇦 744 95 78ms 23 Nov 2025 571st MeWhenI 🇻🇦 742 71 87ms 23 Nov 2025 571st snoozingnewt 🇨🇦 742 71 91ms 28 Nov 2025 573rd HumanoidCPU 742 107 106ms 30 Nov 2025 574th emgordon154 741 138 1,446ms 24 Nov 2025 574th Shanethegamer 🇺🇸 741 138 1,451ms 27 days ago 576th blaztoma 🇱🇹 740 91 10ms 2 Dec 2025 577th MeWhenI 🇻🇦 739 115 2ms 23 Nov 2025 578th iczelia 🇩🇪 737 60 11ms 1 Dec 2025 579th HumanoidCPU 735 74 129ms 29 Nov 2025 579th Ripick 735 74 137ms 30 Nov 2025 581st dokutan 734 61 34ms 28 Nov 2025 581st KatieLG 🇬🇧 734 61 34ms 30 Nov 2025 583rd albanian-laundromat 734 87 400ms 30 Nov 2025 584th vhoulbreque 🇫🇷 732 64 4ms 30 Nov 2025 585th MeWhenI 🇻🇦 732 92 13ms 23 Nov 2025 586th albanian-laundromat 730 101 149ms 23 Nov 2025 587th MeWhenI 🇻🇦 729 52 5ms 23 Nov 2025 588th dokutan 727 66 732ms 28 Nov 2025 588th dokutan 727 66 253ms 1 Dec 2025 590th albanian-laundromat 727 98 9ms 30 Nov 2025 591st albanian-laundromat 725 61 9ms 24 Nov 2025 592nd albanian-laundromat 725 75 128ms 25 Nov 2025 593rd Yewzir 🇧🇪 725 105 8ms 30 Nov 2025 594th MeWhenI 🇻🇦 725 141 1,427ms 27 days ago 595th bitsandbeyond 🇳🇱 721 73 88ms 2 Nov 2025 596th AlephSquirrel 720 85 3,030ms 30 Nov 2025 597th GolfingSuccess 🇬🇷 720 99 8ms 5 Nov 2025 598th cros107 🇦🇺 718 70 11ms 11 Nov 2025 598th madex 🇩🇪 718 70 11ms 1 Dec 2025 598th CutSandstone 718 70 11ms 27 days ago 601st HumanoidCPU 718 85 2ms 29 Nov 2025 602nd albanian-laundromat 718 107 24ms 30 Oct 2025 602nd HumanoidCPU 718 107 27ms 1 Dec 2025 602nd Natanaelel 🇸🇪 718 107 24ms 6 days ago 605th Yewzir 🇧🇪 717 94 11ms 30 Nov 2025 606th rucin93 🇵🇱 714 68 2ms 30 Oct 2025 607th emplv 🇱🇻 713 62 10ms 30 Oct 2025 608th YAJUE114514 713 94 110ms 21 days ago 609th MeWhenI 🇻🇦 713 98 42ms 24 Nov 2025 610th BREMAUCY 🇫🇷 703 104 66ms 2 Dec 2025 611th bitsandbeyond 🇳🇱 703 121 2ms 1 Nov 2025 612th aksyristos 702 87 2ms 3 Dec 2025 613th dokutan 701 72 5ms 28 Nov 2025 614th Yewzir 🇧🇪 699 102 10ms 30 Nov 2025 615th albanian-laundromat 696 91 4ms 24 Nov 2025 616th albanian-laundromat 696 111 2,079ms 23 Nov 2025 617th TheZwierzLF 🇵🇱 694 71 478ms 19 days ago 618th zgialor-lab 694 88 2ms 15 days ago 619th albanian-laundromat 692 86 137ms 23 Nov 2025 620th Lv0Sys 🇵🇱 691 64 11ms 19 days ago 621st HumanoidCPU 691 101 45ms 30 Nov 2025 622nd bitsandbeyond 🇳🇱 689 68 4ms 1 Nov 2025 623rd anter69 🇭🇺 688 73 12ms 10 Nov 2025 623rd albanian-laundromat 688 73 250ms 24 Nov 2025 623rd ahmetdemirag 🇨🇾 688 73 12ms 28 Nov 2025 623rd Yewzir 🇧🇪 688 73 12ms 30 Nov 2025 623rd SirBogman 🇺🇸 688 73 13ms 1 Dec 2025 628th GolfingSuccess 🇬🇷 687 98 8ms 30 Nov 2025 629th HumanoidCPU 684 72 460ms 29 Nov 2025 630th BREMAUCY 🇫🇷 680 99 7ms 2 Dec 2025 630th Schmitt-Very-Cool 680 99 8ms 25 days ago 632nd Babafaba 679 74 11ms 21 Nov 2025 632nd JOrE20 🇺🇸 679 74 11ms 21 Nov 2025 632nd HumanoidCPU 679 74 11ms 29 Nov 2025 632nd TheZwierzLF 🇵🇱 679 74 13ms 29 Nov 2025 632nd BREMAUCY 🇫🇷 679 74 12ms 30 Nov 2025 632nd plcc0 679 74 12ms 30 Nov 2025 632nd btjones0 679 74 11ms 1 Dec 2025 632nd RandGuy 679 74 11ms 2 Dec 2025 632nd annaproxy 679 74 13ms 2 Dec 2025 First Prev 561–640 of 1,139 Next Last