The Tower of Hanoi hole will go live in approximately 19 hours. Why not try and solve it ahead of time?
Number Spiral 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 751st BlankSpruce 422 149 9ms 15 Aug 2024 752nd dokutan 422 192 8ms 27 Apr 2025 753rd h3ra993huskp 🇯🇵 422 276 345ms 40 mins ago 754th Msleizak 🇫🇷 421 357 7ms 26 Apr 2023 755th guilhem-roy 🇫🇷 419 150 11ms 22 Feb 2022 756th KingSkyrock 🇺🇸 418 194 9ms 6 Nov 2022 757th bac0id 418 214 2ms 22 Sep 2023 758th dokutan 417 151 10ms 1 Apr 2024 759th MeWhenI 🇻🇦 417 206 1ms 11 Oct 2023 760th jgbaldwinbrown 416 215 2ms 29 Jun 2022 761st HumanoidCPU 415 319 41ms 9 Mar 2025 762nd dokutan 409 148 385ms 1 Apr 2024 763rd CedricGebistorf 409 154 10ms 3 Mar 2022 763rd sleepyStick 409 154 16ms 14 Mar 2022 765th iczelia 🇩🇪 406 244 150ms 19 Oct 2025 766th codewrite 🇬🇧 405 251 355ms 12 Jul 2025 767th yoshykai 405 287 333ms 8 Apr 2025 767th Schmitt-Very-Cool 405 287 353ms 3 Oct 2025 769th error256 404 190 83ms 5 Feb 2025 770th matejmatik123 🇸🇰 404 275 917ms 1 Oct 2025 771st bwat2 404 288 307ms 8 Mar 2022 772nd mrmena 🇦🇺 404 328 41ms 28 Mar 2024 773rd b10011 🇫🇮 403 156 9ms 11 Jan 2023 773rd TaserTheFox 🇺🇸 403 156 14ms 1 May 2023 775th edsrzf 🇳🇿 403 220 5ms 30 Oct 2024 776th Waffle3z 403 310 1ms 12 May 2022 776th DaCuteRaccoon 403 310 2ms 15 May 2022 776th KatieLG 🇬🇧 403 310 2ms 22 May 2022 776th KatieLG-Transpiler 🇬🇧 403 310 1ms 24 Jun 2022 776th HumanoidCPU 403 310 2ms 21 May 2024 776th CaedenHarper 🇨🇦 403 310 1ms 16 Aug 2025 776th snoozingnewt 🇺🇸 403 310 1ms 9 Oct 2025 783rd retrohun 403 329 45ms 28 Dec 2022 783rd msbranicky 403 329 41ms 21 Sep 2023 785th Mabeloid 🇳🇴 402 311 1ms 4 Oct 2024 786th neihousaigaai 401 157 9ms 17 Apr 2022 787th msbranicky 399 313 1ms 20 Sep 2023 788th MeWhenI 🇻🇦 398 154 294ms 15 Feb 2023 789th Shanethegamer 🇺🇸 396 173 70ms 16 Dec 2024 790th crizin 🇰🇷 394 295 324ms 9 Sep 2023 791st HumanoidCPU 393 305 3ms 12 Dec 2024 791st dokutan 393 305 3ms 12 Dec 2024 791st KatieLG 🇬🇧 393 305 3ms 3 Jan 2025 791st Shanethegamer 🇺🇸 393 305 3ms 13 Jan 2025 791st BREMAUCY 🇫🇷 393 305 3ms 14 Jan 2025 791st CaedenHarper 🇨🇦 393 305 4ms 16 Aug 2025 797th LukeBridges 🇬🇧 392 207 8ms 27 Oct 2022 798th celiendonze 🇨🇭 391 161 9ms 16 Jun 2023 799th KatieLG 🇬🇧 391 306 2ms 24 Sep 2022 799th JRaspass 🇬🇧 391 306 2ms 24 Sep 2022 799th KatieLG-Transpiler 🇬🇧 391 306 3ms 26 Sep 2022 799th retrohun 391 306 2ms 28 Dec 2022 799th Shanethegamer 🇺🇸 391 306 2ms 1 Mar 2023 799th Mabeloid 🇳🇴 391 306 2ms 4 Oct 2024 799th ehulinsky 🇺🇸 391 306 3ms 29 Mar 2025 799th CaedenHarper 🇨🇦 391 306 2ms 16 Aug 2025 807th olleicua 🇺🇸 391 307 3ms 21 days ago 808th msbranicky 390 278 2ms 28 Sep 2023 809th MeWhenI 🇻🇦 389 345 38ms 25 Jan 2022 809th KatieLG 🇬🇧 389 345 28ms 23 Mar 2024 809th CaedenHarper 🇨🇦 389 345 27ms 16 Aug 2025 812th KatieLG 🇬🇧 389 464 1,567ms 13 Sep 2025 813th juliansiebert 🇩🇪 388 186 208ms 4 Aug 2022 814th KatieLG-Transpiler 🇬🇧 388 346 28ms 24 Jun 2022 815th MattShaile 386 210 9ms 26 Apr 2022 816th georgehulme 384 164 16ms 28 Jan 2022 816th adamnielson42 🇺🇸 384 164 16ms 22 Nov 2023 818th CatsAreFluffy 384 233 2ms 12 Feb 2023 819th dokutan 384 294 645ms 22 days ago 820th DaCuteRaccoon 384 335 259ms 15 May 2022 821st Jacob385 383 304 302ms 24 Jul 2024 822nd jacklynnepenick 381 165 15ms 15 Feb 2022 823rd Andriamanitra 🇫🇮 380 164 41ms 29 Nov 2023 824th lukashert 380 306 324ms 28 Feb 2023 825th adamnielson42 🇺🇸 380 640 10ms 1 May 2023 First Prev 751–825 of 1,694 Next Last
