The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Abundant Numbers 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 446th NewDefectus 🇮🇱 848 55 9ms 4 Oct 2020 446th LoLoLucky 848 55 9ms 7 Dec 2020 446th nwellnhof 🇩🇪 848 55 9ms 10 Jan 2021 446th didion0 🇺🇸 848 55 9ms 9 Mar 2021 446th ScottHamper 848 55 10ms 26 May 2021 446th itsh01 848 55 9ms 10 Aug 2021 446th jakzo 848 55 9ms 5 Sep 2021 446th nathanadams 🇳🇿 848 55 9ms 10 Sep 2021 446th janlelis 848 55 9ms 11 Nov 2021 446th igmcdowell 848 55 9ms 16 Nov 2021 446th emgordon154 848 55 10ms 29 Nov 2021 446th KrausRaus 🇺🇸 848 55 9ms 7 Dec 2021 446th KingSkyrock 🇺🇸 848 55 9ms 12 Feb 2022 446th ovs-code 🇩🇪 848 55 9ms 16 Dec 2022 446th tayloia 🇬🇧 848 55 9ms 12 Jan 2023 446th thisishowmymindworks 🇳🇴 848 55 9ms 11 May 2023 446th biocommando 🇫🇮 848 55 9ms 16 Aug 2023 446th helbling 🇨🇭 848 55 10ms 29 Feb 2024 446th Natanaelel 🇸🇪 848 55 9ms 12 Mar 2024 446th Yax42 🇫🇷 848 55 9ms 5 Sep 2025 446th denis-jasselette 848 55 9ms 17 Oct 2025 472nd Shanethegamer 🇺🇸 848 65 95ms 1 Jun 2022 473rd RussellEmerine 848 67 111ms 2 Jan 2020 473rd hymanimy 848 67 147ms 19 Aug 2021 473rd MeWhenI 🇻🇦 848 67 154ms 12 Aug 2022 473rd PPKFS 848 67 139ms 10 Dec 2022 477th sisyphus-ppcg 🇦🇺 848 88 1ms 18 Jul 2022 478th MeWhenI 🇻🇦 845 41 3ms 6 Aug 2021 479th GrayJoKing 🇦🇺 845 56 5ms 9 Apr 2021 480th rak1507 🇬🇧 845 57 15ms 22 Oct 2020 480th KatieLG 🇬🇧 845 57 12ms 8 Nov 2020 480th Shanethegamer 🇺🇸 845 57 11ms 22 May 2021 480th gilufin 845 57 15ms 25 May 2021 480th HETHAT 🇩🇿 845 57 12ms 17 Aug 2021 480th MatthiasDurivet 845 57 12ms 14 Oct 2021 480th RobbeSneyders 845 57 12ms 15 Oct 2021 480th Irratix 🇳🇱 845 57 14ms 7 May 2022 480th btjones0 845 57 19ms 15 Jul 2022 480th Fishron 845 57 12ms 29 Nov 2022 480th DialFrost 🇸🇬 845 57 12ms 9 Feb 2023 480th ndren 845 57 11ms 3 Oct 2023 480th abc7-12 845 57 13ms 6 May 2024 480th tri1212 🇻🇳 845 57 12ms 30 Jun 2024 480th b-illy 🇬🇧 845 57 12ms 9 Aug 2024 480th emgordon154 845 57 11ms 12 Apr 2025 480th CaedenHarper 🇨🇦 845 57 18ms 1 Aug 2025 480th qpwoeirut 845 57 11ms 2 Oct 2025 480th albanian-laundromat 845 57 11ms 7 Oct 2025 499th JohandeRuiter 🇳🇱 845 65 3,096ms 27 Jan 2024 500th Steffan153 🇫🇮 844 59 3ms 21 Jan 2023 501st DialFrost 🇸🇬 843 65 25ms 16 Dec 2024 502nd pardouin 🇫🇷 840 41 482ms 15 Sep 2024 503rd primo-ppcg 🇹🇭 840 51 117ms 18 Nov 2019 504th anter69 🇭🇺 839 45 937ms 23 Feb 2023 504th edsrzf 🇳🇿 839 45 996ms 21 Jan 2025 506th MeWhenI 🇻🇦 839 76 457ms 5 Mar 2022 507th adyache 🇺🇸 838 49 4ms 31 May 2023 508th syntax-rules 838 75 35ms 15 May 2023 509th isaacg1 838 79 127ms 3 Jan 2020 509th timvermeulen 838 79 129ms 3 Jan 2020 509th d0x2f 838 79 130ms 5 Jan 2020 509th btjones0 838 79 129ms 8 Jan 2021 509th primo-ppcg 🇹🇭 838 79 127ms 14 Jan 2022 509th stefangimmillaro 838 79 128ms 22 Aug 2023 509th stackofbears 838 79 128ms 22 Oct 2024 509th acotis 838 79 128ms 13 Apr 2025 517th GolfingSuccess 🇬🇷 837 27 3ms 9 Feb 2023 517th ashtraypettingzoo 🇺🇸 837 27 3ms 3 Apr 2023 517th akamayu-ouo 🇹🇼 837 27 2ms 30 Jul 2024 520th prplz 🇦🇺 837 42 2ms 6 Mar 2020 520th JayXon 🇺🇸 837 42 3ms 25 Oct 2023 520th saito-ta 🇯🇵 837 42 7ms 13 Mar 2024 523rd fimmind 835 68 156ms 23 May 2020 524th kg583 🇺🇸 834 49 4ms 4 days ago 525th Shanethegamer 🇺🇸 834 54 524ms 26 Sep 2024 First Prev 451–525 of 4,214 Next Last