The Tower of Hanoi hole will go live in approximately 3 hours. Why not try and solve it ahead of time?
Niven Numbers (Long) 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 879th AminurAlam 856 57 16ms 20 Mar 2024 879th EnTerr 856 57 16ms 1 Sep 2024 879th logvp 856 57 232ms 7 Oct 2024 879th moustave 856 57 16ms 26 Nov 2024 879th nooberitess 856 57 15ms 22 May 2025 879th Lv0Sys 🇵🇱 856 57 15ms 31 May 2025 879th dirckvdende 856 57 16ms 5 Jul 2025 879th xDragoxboi 856 57 15ms 6 Jul 2025 879th Mikey-Beep 🇬🇧 856 57 18ms 25 Jul 2025 879th shelerr 856 57 226ms 21 Aug 2025 879th CommandLeo 🇮🇹 856 57 21ms 17 days ago 912th inventshah 856 58 3ms 15 Jan 2024 913th Lydxn 🇨🇦 856 60 168ms 9 Aug 2022 913th Shanethegamer 🇺🇸 856 60 132ms 9 Aug 2022 913th Steffan153 🇫🇮 856 60 145ms 6 Dec 2022 913th jipsong 🇩🇪 856 60 165ms 6 May 2025 917th Lydxn 🇨🇦 855 53 141ms 6 Aug 2024 917th emgordon154 855 53 132ms 17 Nov 2024 919th GrayJoKing 🇦🇺 855 63 94ms 14 Aug 2022 919th primo-ppcg 🇹🇭 855 63 94ms 4 Sep 2022 919th MeWhenI 🇻🇦 855 63 133ms 21 Feb 2023 922nd SirBogman 🇺🇸 853 53 460ms 16 Jan 2024 922nd namelessiw 853 53 396ms 5 Mar 2024 922nd commandblockguy 🇺🇸 853 53 396ms 1 Sep 2025 922nd snoozingnewt 🇺🇸 853 53 337ms 9 days ago 926th KrausRaus 🇺🇸 853 55 6ms 12 Aug 2022 926th josh-h-90 853 55 6ms 9 Sep 2022 928th GrayJoKing 🇦🇺 853 67 46ms 14 Aug 2022 928th stefangimmillaro 853 67 48ms 15 Apr 2023 928th MeWhenI 🇻🇦 853 67 43ms 10 May 2023 931st DialFrost 🇸🇬 852 136 1,700ms 13 Sep 2025 931st Yewzir 🇧🇪 852 136 1,603ms 16 days ago 933rd MeWhenI 🇻🇦 851 71 108ms 21 Feb 2023 934th Ripick 850 67 128ms 6 Jan 2023 935th DialFrost 🇸🇬 850 189 57ms 13 Aug 2025 936th KasperKivimaeki 🇫🇮 849 89 57ms 26 Oct 2025 937th edsrzf 🇳🇿 849 90 42ms 19 Jan 2025 937th kg583 🇺🇸 849 90 43ms 13 Feb 2025 939th CLOStrophobic 🇮🇹 849 91 115ms 8 Feb 2025 940th primo-ppcg 🇹🇭 848 75 332ms 4 Sep 2022 940th m-tkach 🇺🇦 848 75 337ms 2 Jun 2023 942nd Shanethegamer 🇺🇸 848 90 96ms 15 Apr 2025 942nd emgordon154 848 90 96ms 40 hours ago 944th FnControlOption 847 43 41ms 21 Aug 2022 944th AlephSquirrel 847 43 44ms 7 Mar 2023 944th LostSyntax21 🇬🇧 847 43 44ms 10 Sep 2024 947th betaveros 847 84 125ms 9 Aug 2022 947th JGDoerrer 847 84 121ms 12 Aug 2022 949th dokutan 846 68 200ms 17 Jul 2025 950th 4hg 🇺🇸 844 33 41ms 11 Mar 2025 951st wansacis 🇩🇪 842 57 37ms 26 Aug 2022 951st MeWhenI 🇻🇦 842 57 10ms 6 Nov 2022 951st randolchance 842 57 12ms 11 Feb 2023 951st PatrickStephansen 🇿🇦 842 57 12ms 3 Nov 2023 951st trinityy-7 842 57 13ms 17 Mar 2024 956th DialFrost 🇸🇬 842 61 101ms 15 Nov 2024 957th Shanethegamer 🇺🇸 841 28 114ms 8 Aug 2022 958th dokutan 841 46 321ms 3 Nov 2023 958th msbranicky 841 46 345ms 15 Jan 2024 958th rollershutter 841 46 356ms 3 Jul 2024 961st jhpaques 🇫🇷 841 58 16ms 8 Aug 2022 961st SniperSmiley 🇺🇸 841 58 15ms 9 Aug 2022 961st Re-Adventures 🇮🇳 841 58 16ms 10 Aug 2022 961st neihousaigaai 841 58 156ms 13 Aug 2022 961st Kloppermand 🇩🇰 841 58 15ms 29 Sep 2022 961st Just4FunCoder 841 58 15ms 27 Oct 2022 961st nstearns96 🇬🇧 841 58 16ms 30 Oct 2022 961st b10011 🇫🇮 841 58 15ms 8 Jan 2023 961st NoahBolohan 🇨🇦 841 58 16ms 7 Feb 2023 961st Fracture17 841 58 16ms 9 Apr 2023 961st yzhs 🇩🇪 841 58 16ms 21 Jun 2023 961st levavft 841 58 16ms 26 Oct 2023 961st mathisfun271 841 58 17ms 24 Dec 2023 961st chartung17 841 58 15ms 31 Dec 2023 961st Bmrl7 841 58 16ms 22 Feb 2024 First Prev 901–975 of 2,436 Next Last