The Tower of Hanoi hole will go live in approximately 2 hours. Why not try and solve it ahead of time?
12 Days of Christmas 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 226th sean-niemann 🇺🇸 880 435 1ms 30 Oct 2024 227th Yewzir 🇧🇪 879 563 1,733ms 1 Jun 2024 228th neel11235813 877 200 380ms 16 Mar 2024 229th TheDrawingCoder-Gamer 876 257 2ms 3 Jul 2025 230th edre 875 217 10ms 18 May 2018 231st m-tkach 🇺🇦 874 400 148ms 10 May 2023 232nd dvargas46 🇺🇸 874 403 2ms 2 Feb 2023 233rd Shanethegamer 🇺🇸 873 201 456ms 13 Jan 2025 233rd snoozingnewt 🇺🇸 873 201 468ms 13 Sep 2025 235th GolfingSuccess 🇬🇷 873 438 5ms 16 Aug 2024 235th MeWhenI 🇻🇦 873 438 4ms 16 Aug 2024 237th Shanethegamer 🇺🇸 873 449 3ms 26 Apr 2023 238th primo-ppcg 🇹🇭 873 567 1,521ms 9 Jun 2024 239th MeWhenI 🇻🇦 872 439 2ms 11 Nov 2022 239th xsot 🇸🇬 872 439 2ms 31 Aug 2024 241st Lydxn 🇨🇦 871 218 10ms 6 Jan 2021 242nd joseprio 871 247 9ms 10 Aug 2019 242nd SirBogman 🇺🇸 871 247 9ms 26 Dec 2019 244th JayXon 🇺🇸 871 278 2ms 21 Dec 2023 245th snoozingnewt 🇺🇸 870 525 108ms 29 hours ago 246th lifthrasiir 🇰🇷 869 423 7ms 19 Dec 2024 247th elisherer 🇮🇱 868 248 8ms 12 Apr 2019 247th alasdair-greenland 868 248 9ms 12 Nov 2021 249th lynn 865 522 27ms 11 Jul 2023 250th blaztoma 🇱🇹 865 528 101ms 2 days ago 251st emgordon154 864 203 403ms 14 Apr 2025 251st albanian-laundromat 864 203 386ms 30 Oct 2025 253rd Yewzir 🇧🇪 864 249 13ms 17 Apr 2023 254th GolfingSuccess 🇬🇷 863 444 7ms 30 Dec 2024 255th Shanethegamer 🇺🇸 863 523 26ms 28 Dec 2022 256th DialFrost 🇸🇬 861 250 11ms 24 Jan 2023 257th SirBogman 🇺🇸 860 204 497ms 24 Jan 2024 258th lynn 860 368 230ms 15 Jul 2021 259th GrayJoKing 🇦🇺 859 446 6ms 5 Feb 2025 260th GrayJoKing 🇦🇺 859 456 4ms 22 Aug 2023 261st neel11235813 858 237 12ms 10 Oct 2023 262nd o0lit3 🇺🇸 857 408 16ms 30 Jul 2021 263rd dokutan 856 205 363ms 21 Mar 2025 264th jhu04 856 222 9ms 7 Jul 2022 265th kusune 🇯🇵 855 412 2ms 29 Sep 2023 266th MeWhenI 🇻🇦 855 531 54ms 3 Jul 2023 267th edsrzf 🇳🇿 854 459 4ms 9 Nov 2024 268th primo-ppcg 🇹🇭 853 413 2ms 9 Nov 2021 269th rambox11 851 253 8ms 25 Jan 2019 270th MostParsingVex 850 311 55ms 26 Dec 2024 271st BlankSpruce 850 450 11ms 27 Aug 2024 272nd KatieLG 🇬🇧 850 528 2ms 6 Mar 2021 273rd error256 849 363 357ms 24 Sep 2025 274th sean-niemann 🇺🇸 847 364 354ms 24 Sep 2025 275th Steffan153 🇫🇮 844 241 11ms 23 Feb 2024 276th GrayJoKing 🇦🇺 842 264 3ms 1 Nov 2023 277th GolfingSuccess 🇬🇷 842 468 175ms 5 Jun 2022 278th Steffan153 🇫🇮 839 323 107ms 29 Mar 2023 279th UnderKoen 🇳🇱 838 535 2ms 3 Feb 2024 280th SirBogman 🇺🇸 838 691 13ms 23 Nov 2022 281st vlpx 🇫🇮 837 257 9ms 1 Aug 2024 282nd ovs-code 🇩🇪 837 439 9ms 16 Mar 2023 282nd GolfingSuccess 🇬🇷 837 439 8ms 26 Mar 2023 284th Yewzir 🇧🇪 835 210 478ms 4 Feb 2024 285th sean-niemann 🇺🇸 834 317 53ms 16 Jul 2022 286th Shanethegamer 🇺🇸 834 459 2ms 22 Mar 2023 287th keelimeguy 🇺🇸 833 228 35ms 17 Dec 2023 288th MeWhenI 🇻🇦 832 471 4ms 22 May 2023 289th snoozingnewt 🇺🇸 831 543 33ms 15 Oct 2025 290th snydej 830 229 17ms 29 Dec 2024 291st retrohun 829 425 2ms 25 Sep 2022 292nd retrohun 827 476 4ms 20 Dec 2023 293rd jvdp1 827 549 46ms 24 Dec 2020 293rd stefangimmillaro 827 549 45ms 31 May 2025 295th alphafalfa 825 464 2ms 16 Apr 2025 296th Andriamanitra 🇫🇮 825 475 3ms 13 Jun 2024 297th neel11235813 825 547 28ms 12 Jan 2023 297th aviyanp 825 547 31ms 15 Oct 2025 299th JunkIce 824 213 508ms 15 Jul 2025 300th dokutan 823 242 9ms 1 Jul 2024 First Prev 226–300 of 3,889 Next Last