The Calendar hole will go live in approximately 34 hours. Why not try and solve it ahead of time?
Tower of Hanoi in all languages in chars. 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 Chars Time Submitted 481st bitsandbeyond 🇳🇱 808 87 625ms 1 Nov 2025 482nd luuumine 🇫🇷 807 58 5ms 26 days ago 483rd emgordon154 805 54 128ms 9 days ago 484th dokutan 805 61 92ms 28 Nov 2025 485th CaedenHarper 🇨🇦 805 74 101ms 30 Nov 2025 486th Maznek 804 55 9ms 20 days ago 487th MeWhenI 🇻🇦 802 53 3ms 29 Nov 2025 488th CLOStrophobic 🇮🇹 802 95 8ms 26 days ago 489th albanian-laundromat 802 103 262ms 23 Nov 2025 490th MeWhenI 🇻🇦 801 63 5ms 24 Nov 2025 491st albanian-laundromat 801 78 41ms 24 Nov 2025 492nd dokutan 801 92 378ms 28 Nov 2025 493rd snoozingnewt 🇨🇦 800 60 726ms 1 Dec 2025 494th DialFrost 🇸🇬 798 66 125ms 26 days ago 495th JOrE20 🇺🇸 795 62 11ms 25 Nov 2025 495th HumanoidCPU 795 62 11ms 29 Nov 2025 495th Yewzir 🇧🇪 795 62 12ms 30 Nov 2025 495th plcc0 795 62 12ms 30 Nov 2025 495th anter69 🇭🇺 795 62 13ms 30 Nov 2025 495th inventshah 795 62 10ms 21 days ago 495th SB-945 795 62 12ms 11 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 2 Dec 2025 505th neosimsim 793 96 8ms 23 Nov 2025 506th albanian-laundromat 792 60 374ms 23 Nov 2025 507th Shanethegamer 🇺🇸 792 62 94ms 3 Nov 2025 508th bitsandbeyond 🇳🇱 792 74 1,242ms 31 Oct 2025 509th Shanethegamer 🇺🇸 791 55 133ms 4 Nov 2025 510th MeWhenI 🇻🇦 791 79 39ms 23 Nov 2025 511th bitsandbeyond 🇳🇱 790 72 3ms 2 Nov 2025 512th dokutan 787 75 4ms 2 Dec 2025 513th edsrzf 🇳🇿 786 93 64ms 1 Dec 2025 514th Shanethegamer 🇺🇸 786 100 112ms 3 Nov 2025 515th Natanaelel 🇸🇪 785 55 120ms 4 Nov 2025 516th CaedenHarper 🇨🇦 785 57 36ms 29 Nov 2025 517th ovs-code 🇩🇪 785 77 6ms 29 Nov 2025 518th bitsandbeyond 🇳🇱 785 87 40ms 31 Oct 2025 518th blaztoma 🇱🇹 785 87 42ms 1 Dec 2025 520th emgordon154 784 78 2,848ms 9 days ago 521st MeWhenI 🇻🇦 783 62 1ms 23 Nov 2025 522nd emgordon154 783 86 12ms 9 days ago 523rd Kacarott 🇦🇺 781 198 3ms 25 days ago 524th MeWhenI 🇻🇦 779 63 96ms 23 Nov 2025 525th emgordon154 779 106 265ms 25 Nov 2025 526th bitsandbeyond 🇳🇱 778 70 119ms 2 Nov 2025 527th albanian-laundromat 778 90 3ms 16 days ago 528th vhoulbreque 🇫🇷 778 101 110ms 2 Dec 2025 529th MeWhenI 🇻🇦 776 56 127ms 23 Nov 2025 529th dokutan 776 56 130ms 1 Dec 2025 531st albanian-laundromat 776 88 41ms 24 Nov 2025 532nd Shanethegamer 🇺🇸 774 62 235ms 4 Nov 2025 532nd albanian-laundromat 774 62 701ms 23 Nov 2025 534th snoozingnewt 🇨🇦 774 87 10ms 30 Nov 2025 535th DialFrost 🇸🇬 773 65 582ms 2 Dec 2025 536th dokutan 773 77 107ms 24 days ago 537th dokutan 771 58 38ms 1 Dec 2025 538th rucin93 🇵🇱 770 102 119ms 28 Nov 2025 538th madex 🇩🇪 770 102 107ms 1 Dec 2025 540th albanian-laundromat 770 103 28ms 24 Nov 2025 541st albanian-laundromat 769 74 3ms 23 Nov 2025 542nd CaedenHarper 🇨🇦 768 96 153ms 29 Nov 2025 543rd CaedenHarper 🇨🇦 767 64 96ms 30 Nov 2025 544th emgordon154 767 135 1,703ms 5 days ago 545th HumanoidCPU 766 62 355ms 29 Nov 2025 545th Yewzir 🇧🇪 766 62 374ms 30 Nov 2025 547th MeWhenI 🇻🇦 766 77 4ms 24 Nov 2025 548th albanian-laundromat 764 92 349ms 23 Nov 2025 549th AlephSquirrel 763 38 41ms 30 Nov 2025 550th madex 🇩🇪 763 80 2ms 2 Dec 2025 551st blaztoma 🇱🇹 762 63 248ms 1 Dec 2025 552nd dokutan 762 82 38ms 28 Nov 2025 553rd MeWhenI 🇻🇦 761 136 1,783ms 23 Nov 2025 554th albanian-laundromat 758 64 2ms 23 Nov 2025 555th albanian-laundromat 757 89 10ms 30 Nov 2025 556th dokutan 755 62 5ms 16 days ago 557th dokutan 754 61 783ms 28 Nov 2025 558th H3XDaemon 754 81 2ms 10 days ago 559th MeWhenI 🇻🇦 753 97 63ms 24 Nov 2025 560th DialFrost 🇸🇬 752 136 436ms 26 days ago First Prev 481–560 of 1,121 Next Last