The Tower of Hanoi hole will go live in approximately 2 days. 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 451st m-tkach 🇺🇦 641 153 3ms 27 Oct 2022 452nd stefangimmillaro 638 127 9ms 27 Sep 2024 453rd HumanoidCPU 638 174 64ms 29 Aug 2024 454th stefangimmillaro 637 98 46ms 8 Aug 2023 455th emgordon154 637 234 3ms 21 Oct 2025 456th albanian-laundromat 635 126 821ms 16 Sep 2025 457th hemphen 635 160 353ms 6 Aug 2022 458th MeWhenI 🇻🇦 631 179 485ms 4 Mar 2022 459th KenanSi 630 48 2ms 24 Feb 2022 460th MeWhenI 🇻🇦 629 185 344ms 21 days ago 461st Yewzir 🇧🇪 628 162 322ms 30 Dec 2023 462nd tobeannouncd 626 158 138ms 10 Jan 2024 463rd namelessiw 625 97 411ms 10 Apr 2024 464th lynn 624 241 7ms 16 Mar 2023 465th SB-945 623 101 9ms 12 Apr 2024 466th Yewzir 🇧🇪 623 178 81ms 23 Mar 2024 467th emgordon154 622 110 134ms 16 Nov 2024 468th ovs-code 🇩🇪 621 242 7ms 16 Mar 2023 469th alemelis 619 99 1,002ms 3 Apr 2023 470th stefangimmillaro 619 142 51ms 26 Apr 2025 471st bzijlema 🇳🇱 618 208 250ms 30 Jan 2024 472nd GolfingSuccess 🇬🇷 617 102 9ms 2 Jun 2022 472nd bizy-coder 617 102 11ms 27 Jun 2025 472nd ryyyn 🇺🇸 617 102 9ms 26 Sep 2025 475th dokutan 617 159 3ms 27 Mar 2024 476th stefangimmillaro 616 156 2,803ms 11 Nov 2024 477th error256 615 136 7ms 23 Dec 2024 478th dokutan 612 157 2,850ms 24 Oct 2024 479th 5cw 🇺🇸 611 103 9ms 29 May 2025 479th edsrzf 🇳🇿 611 103 10ms 18 hours ago 481st Shanethegamer 🇺🇸 611 162 152ms 17 Oct 2022 482nd Maznek 610 133 8ms 3 Jul 2023 483rd MeWhenI 🇻🇦 607 183 51ms 26 May 2023 484th bizy-coder 606 100 895ms 17 Jan 2024 484th Steffan153 🇫🇮 606 100 524ms 15 Feb 2024 486th dokutan 606 156 4ms 1 Apr 2024 487th MeWhenI 🇻🇦 606 176 1,260ms 8 Jun 2023 488th jakobkordez 🇸🇮 605 104 15ms 8 Nov 2022 488th krisktopher 605 104 9ms 15 Nov 2023 488th albanian-laundromat 605 104 22ms 19 Aug 2025 491st MeWhenI 🇻🇦 605 134 9ms 1 Mar 2022 492nd postie77 605 168 341ms 27 Feb 2023 493rd MeWhenI 🇻🇦 604 185 360ms 15 Nov 2022 494th KrausRaus 🇺🇸 602 147 4ms 7 Sep 2022 495th Yax42 🇫🇷 601 135 9ms 9 Sep 2025 496th DialFrost 🇸🇬 600 104 48ms 5 Jan 2023 497th sisyphus-ppcg 🇦🇺 598 148 5ms 23 Nov 2022 498th IanUtley 595 169 22ms 2 Apr 2024 499th GolfingSuccess 🇬🇷 594 102 464ms 15 Jan 2024 499th m-tkach 🇺🇦 594 102 662ms 20 Jan 2024 501st janbehrens 🇩🇪 594 190 452ms 24 Mar 2022 502nd bzijlema 🇳🇱 593 106 9ms 28 Jan 2025 502nd blaztoma 🇱🇹 593 106 9ms 2 days ago 504th MeWhenI 🇻🇦 593 160 171ms 16 Nov 2022 505th KatieLG 🇬🇧 592 137 8ms 5 Oct 2025 506th MeWhenI 🇻🇦 591 160 3ms 23 May 2023 507th primo-ppcg 🇹🇭 591 197 306ms 16 Mar 2022 508th janbehrens 🇩🇪 590 143 14ms 2 Jul 2023 509th neel11235813 588 103 663ms 27 Mar 2024 510th jared-hughes 588 107 9ms 27 May 2022 510th AlephSquirrel 588 107 9ms 17 Jan 2023 510th StefanHabel 🇨🇦 588 107 9ms 20 Sep 2023 510th commandblockguy 🇺🇸 588 107 9ms 4 Sep 2025 514th MeWhenI 🇻🇦 588 173 353ms 26 Jul 2023 515th Yewzir 🇧🇪 587 161 3ms 14 May 2023 516th rak1507 🇬🇧 585 41 41ms 26 Jan 2022 516th jared-hughes 585 41 36ms 29 Mar 2022 516th DialFrost 🇸🇬 585 41 41ms 27 Jan 2023 519th BlankSpruce 584 153 1ms 7 Aug 2024 520th albanian-laundromat 583 104 496ms 12 Sep 2025 521st dokutan 583 152 4ms 13 Apr 2024 522nd MeWhenI 🇻🇦 582 124 227ms 29 Jan 2023 523rd annaproxy 581 173 21ms 4 Jan 2023 524th MeWhenI 🇻🇦 580 191 81ms 16 Mar 2022 525th didion0 🇺🇸 579 140 9ms 19 Apr 2022 First Prev 451–525 of 1,692 Next Last