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 481st snoozingnewt 🇨🇦 810 94 8ms 27 days ago 481st blaztoma 🇱🇹 810 94 8ms 26 days ago 481st BREMAUCY 🇫🇷 810 94 9ms 21 days ago 484th Shanethegamer 🇺🇸 809 60 1ms 3 Nov 2025 485th Shanethegamer 🇺🇸 808 73 3ms 3 Nov 2025 486th bitsandbeyond 🇳🇱 808 87 625ms 1 Nov 2025 487th Shanethegamer 🇺🇸 806 55 133ms 4 Nov 2025 488th luuumine 🇫🇷 806 58 5ms 24 days ago 489th dokutan 805 61 92ms 28 Nov 2025 490th CaedenHarper 🇨🇦 805 74 101ms 30 Nov 2025 491st Maznek 804 55 9ms 17 days ago 492nd CaedenHarper 🇨🇦 803 88 78ms 30 Nov 2025 493rd MeWhenI 🇻🇦 802 53 3ms 29 Nov 2025 494th CLOStrophobic 🇮🇹 802 95 8ms 24 days ago 495th albanian-laundromat 802 103 262ms 23 Nov 2025 496th MeWhenI 🇻🇦 801 63 5ms 24 Nov 2025 497th albanian-laundromat 801 78 41ms 24 Nov 2025 498th dokutan 801 92 378ms 28 Nov 2025 499th Natanaelel 🇸🇪 800 55 120ms 4 Nov 2025 500th snoozingnewt 🇨🇦 800 60 726ms 27 days ago 501st DialFrost 🇸🇬 798 66 125ms 24 days ago 502nd albanian-laundromat 795 77 2,962ms 23 Nov 2025 503rd Shanethegamer 🇺🇸 794 92 70ms 3 Nov 2025 503rd blaztoma 🇱🇹 794 92 64ms 26 days ago 505th Shanethegamer 🇺🇸 794 100 112ms 3 Nov 2025 506th neosimsim 793 96 8ms 23 Nov 2025 507th MeWhenI 🇻🇦 792 56 127ms 23 Nov 2025 508th Shanethegamer 🇺🇸 792 62 94ms 3 Nov 2025 509th bitsandbeyond 🇳🇱 792 74 1,242ms 31 Oct 2025 510th MeWhenI 🇻🇦 791 79 39ms 23 Nov 2025 511th bitsandbeyond 🇳🇱 790 72 3ms 2 Nov 2025 512th dokutan 787 75 4ms 26 days ago 513th edsrzf 🇳🇿 786 93 64ms 26 days ago 514th vhoulbreque 🇫🇷 786 101 110ms 25 days ago 515th CaedenHarper 🇨🇦 785 57 36ms 29 Nov 2025 516th ovs-code 🇩🇪 785 77 6ms 29 Nov 2025 517th bitsandbeyond 🇳🇱 785 87 40ms 31 Oct 2025 517th blaztoma 🇱🇹 785 87 42ms 26 days ago 519th emgordon154 784 78 2,848ms 7 days ago 520th MeWhenI 🇻🇦 783 62 1ms 23 Nov 2025 521st emgordon154 783 86 12ms 7 days ago 522nd Kacarott 🇦🇺 781 198 3ms 22 days ago 523rd MeWhenI 🇻🇦 779 63 96ms 23 Nov 2025 524th rucin93 🇵🇱 779 102 119ms 28 Nov 2025 524th madex 🇩🇪 779 102 107ms 26 days ago 526th emgordon154 779 106 265ms 25 Nov 2025 527th bitsandbeyond 🇳🇱 778 70 119ms 2 Nov 2025 528th albanian-laundromat 778 90 3ms 14 days ago 529th albanian-laundromat 776 88 41ms 24 Nov 2025 530th Shanethegamer 🇺🇸 774 62 235ms 4 Nov 2025 530th albanian-laundromat 774 62 701ms 23 Nov 2025 532nd snoozingnewt 🇨🇦 774 87 10ms 27 days ago 533rd DialFrost 🇸🇬 773 65 582ms 26 days ago 534th dokutan 773 77 107ms 22 days ago 535th albanian-laundromat 770 103 31ms 24 Nov 2025 536th albanian-laundromat 769 74 3ms 23 Nov 2025 537th CaedenHarper 🇨🇦 768 96 153ms 29 Nov 2025 538th CaedenHarper 🇨🇦 767 64 96ms 30 Nov 2025 539th emgordon154 767 135 1,703ms 3 days ago 540th MeWhenI 🇻🇦 766 77 4ms 24 Nov 2025 541st CaedenHarper 🇨🇦 764 58 125ms 30 Nov 2025 542nd albanian-laundromat 764 92 349ms 23 Nov 2025 543rd AlephSquirrel 763 38 41ms 27 days ago 544th madex 🇩🇪 763 80 2ms 25 days ago 545th blaztoma 🇱🇹 762 63 248ms 26 days ago 546th dokutan 762 82 38ms 28 Nov 2025 547th MeWhenI 🇻🇦 761 136 1,783ms 23 Nov 2025 548th Shanethegamer 🇺🇸 760 93 78ms 2 Nov 2025 549th albanian-laundromat 758 64 2ms 23 Nov 2025 550th albanian-laundromat 757 89 10ms 27 days ago 551st dokutan 754 61 783ms 28 Nov 2025 552nd dokutan 754 62 5ms 14 days ago 553rd H3XDaemon 754 81 2ms 7 days ago 554th MeWhenI 🇻🇦 753 97 63ms 24 Nov 2025 555th DialFrost 🇸🇬 752 136 436ms 24 days ago 556th dokutan 750 59 9ms 28 Nov 2025 557th duckyluuk 🇳🇱 750 95 8ms 30 Oct 2025 558th bitsandbeyond 🇳🇱 748 90 10ms 31 Oct 2025 559th HumanoidCPU 747 102 8ms 27 days ago 559th bitsandbeyond 🇳🇱 747 102 9ms 27 days ago First Prev 481–560 of 1,131 Next Last