The Calendar hole will go live in approximately 10 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 Maznek 804 55 9ms 11 days ago 482nd CaedenHarper 🇨🇦 803 88 78ms 21 days ago 483rd MeWhenI 🇻🇦 802 53 3ms 22 days ago 484th CLOStrophobic 🇮🇹 802 95 8ms 17 days ago 485th MeWhenI 🇻🇦 801 63 5ms 27 days ago 486th albanian-laundromat 801 78 41ms 27 days ago 487th dokutan 801 92 378ms 22 days ago 488th albanian-laundromat 801 103 262ms 23 Nov 2025 489th Natanaelel 🇸🇪 800 55 127ms 4 Nov 2025 490th snoozingnewt 🇨🇦 800 60 726ms 20 days ago 491st DialFrost 🇸🇬 798 66 125ms 17 days ago 492nd albanian-laundromat 794 77 2,962ms 23 Nov 2025 493rd Shanethegamer 🇺🇸 794 92 73ms 3 Nov 2025 493rd blaztoma 🇱🇹 794 92 64ms 19 days ago 495th Shanethegamer 🇺🇸 794 100 112ms 3 Nov 2025 496th neosimsim 793 96 8ms 23 Nov 2025 497th MeWhenI 🇻🇦 792 56 127ms 23 Nov 2025 498th Shanethegamer 🇺🇸 792 62 94ms 3 Nov 2025 499th MeWhenI 🇻🇦 791 79 39ms 23 Nov 2025 500th bitsandbeyond 🇳🇱 790 72 3ms 2 Nov 2025 501st dokutan 787 75 4ms 19 days ago 502nd edsrzf 🇳🇿 786 93 66ms 20 days ago 503rd vhoulbreque 🇫🇷 786 101 110ms 18 days ago 504th CaedenHarper 🇨🇦 785 57 36ms 22 days ago 505th ovs-code 🇩🇪 785 77 6ms 21 days ago 506th bitsandbeyond 🇳🇱 785 87 40ms 31 Oct 2025 506th blaztoma 🇱🇹 785 87 42ms 19 days ago 508th emgordon154 784 78 4,266ms 10 hours ago 509th MeWhenI 🇻🇦 783 62 1ms 23 Nov 2025 510th emgordon154 783 86 17ms 11 hours ago 511th MeWhenI 🇻🇦 779 63 96ms 23 Nov 2025 512th rucin93 🇵🇱 779 102 119ms 22 days ago 512th madex 🇩🇪 779 102 107ms 19 days ago 514th albanian-laundromat 778 90 4ms 7 days ago 515th emgordon154 778 106 265ms 25 days ago 516th albanian-laundromat 776 88 41ms 27 days ago 517th Shanethegamer 🇺🇸 774 62 241ms 4 Nov 2025 517th albanian-laundromat 774 62 701ms 23 Nov 2025 519th snoozingnewt 🇨🇦 774 87 10ms 20 days ago 520th dokutan 773 77 107ms 15 days ago 521st DialFrost 🇸🇬 771 65 582ms 19 days ago 522nd albanian-laundromat 770 103 31ms 27 days ago 523rd albanian-laundromat 769 74 3ms 23 Nov 2025 523rd HumanoidCPU 769 74 129ms 22 days ago 523rd Ripick 769 74 137ms 21 days ago 526th CaedenHarper 🇨🇦 768 96 153ms 22 days ago 527th CaedenHarper 🇨🇦 767 64 96ms 21 days ago 528th MeWhenI 🇻🇦 766 77 4ms 27 days ago 529th CaedenHarper 🇨🇦 764 58 125ms 21 days ago 530th albanian-laundromat 764 92 349ms 23 Nov 2025 531st AlephSquirrel 763 38 63ms 20 days ago 532nd madex 🇩🇪 762 80 2ms 19 days ago 533rd dokutan 762 82 38ms 22 days ago 534th blaztoma 🇱🇹 761 63 256ms 19 days ago 535th MeWhenI 🇻🇦 761 136 1,783ms 23 Nov 2025 535th emgordon154 761 136 1,699ms 27 days ago 537th Shanethegamer 🇺🇸 760 93 78ms 2 Nov 2025 538th albanian-laundromat 759 75 128ms 25 days ago 539th albanian-laundromat 758 64 2ms 23 Nov 2025 540th albanian-laundromat 757 89 10ms 20 days ago 541st dokutan 754 61 783ms 22 days ago 542nd dokutan 754 62 6ms 7 days ago 543rd H3XDaemon 753 81 2ms 23 hours ago 544th MeWhenI 🇻🇦 753 97 70ms 27 days ago 545th DialFrost 🇸🇬 752 136 436ms 17 days ago 546th duckyluuk 🇳🇱 750 95 8ms 30 Oct 2025 547th dokutan 749 59 9ms 22 days ago 548th bitsandbeyond 🇳🇱 748 90 10ms 31 Oct 2025 549th HumanoidCPU 747 102 8ms 21 days ago 549th bitsandbeyond 🇳🇱 747 102 9ms 20 days ago 551st MeWhenI 🇻🇦 745 57 311ms 27 days ago 551st CaedenHarper 🇨🇦 745 57 275ms 21 days ago 551st bitsandbeyond 🇳🇱 745 57 203ms 20 days ago 554th albanian-laundromat 745 64 2ms 23 Nov 2025 555th MeWhenI 🇻🇦 744 95 78ms 23 Nov 2025 556th MeWhenI 🇻🇦 742 71 87ms 23 Nov 2025 556th snoozingnewt 🇨🇦 742 71 91ms 22 days ago 558th HumanoidCPU 742 107 106ms 21 days ago 559th emgordon154 741 138 455ms 27 days ago 559th Shanethegamer 🇺🇸 741 138 432ms 17 days ago First Prev 481–560 of 1,110 Next Last