The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Intersection 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 376th edsrzf 🇳🇿 775 118 5ms 5 Dec 2024 377th itsjustfreekie 774 99 10ms 18 Sep 2021 378th ovs-code 🇩🇪 770 91 333ms 10 May 2024 379th aldanor 🇮🇪 770 218 212ms 5 Dec 2020 380th SirBogman 🇺🇸 769 100 269ms 18 May 2024 381st emplv 🇱🇻 769 161 100ms 26 Oct 2022 382nd BambooleanLogic 🇸🇪 768 115 9ms 7 Nov 2022 382nd MeWhenI 🇻🇦 768 115 10ms 21 Aug 2023 384th stefangimmillaro 768 189 343ms 10 Apr 2025 385th GolfingSuccess 🇬🇷 768 316 486ms 31 Jan 2025 386th bstrat 767 35 2ms 6 Sep 2024 386th lifthrasiir 🇰🇷 767 35 2ms 27 Nov 2024 388th inventshah 766 195 3ms 14 Nov 2022 389th jared-hughes 765 34 84ms 29 Jul 2022 390th MichalMarsalek 🇨🇿 764 148 345ms 29 Nov 2021 390th Ripick 764 148 361ms 24 Feb 2025 392nd ScottHamper 764 190 338ms 21 Feb 2022 393rd tobeannouncd 763 159 164ms 2 Jan 2024 394th uttumuttu 🇫🇮 762 116 10ms 7 Jan 2022 394th targrik 762 116 10ms 23 Mar 2025 396th nwellnhof 🇩🇪 761 101 619ms 12 Oct 2024 397th dokutan 759 92 386ms 15 Aug 2024 398th roland-golf 759 175 266ms 1 Nov 2022 399th Irratix 🇳🇱 759 176 2ms 13 Jun 2022 400th kmathis22 759 232 370ms 7 Oct 2025 401st HPWiz 🇳🇿 758 40 37ms 29 Jun 2021 401st ovs-code 🇩🇪 758 40 33ms 26 Aug 2023 403rd GrayJoKing 🇦🇺 757 104 137ms 9 Dec 2023 404th Attero 🇸🇪 755 117 10ms 21 Oct 2020 404th ArmaanAS 755 117 9ms 24 Mar 2021 404th ScottHamper 755 117 9ms 25 Jun 2021 404th itsh01 755 117 10ms 10 Apr 2022 404th eranws 755 117 10ms 13 Oct 2022 404th inventshah 755 117 9ms 14 Nov 2022 404th makinde 755 117 11ms 19 Nov 2022 404th voytxt 🇨🇿 755 117 9ms 15 Jul 2023 404th duckyluuk 🇳🇱 755 117 9ms 25 Mar 2024 413th m-tkach 🇺🇦 755 177 2ms 23 May 2022 413th Alex-x90 🇺🇸 755 177 2ms 15 Jul 2023 415th southpolenator 755 202 376ms 15 Jun 2023 416th rucin93 🇵🇱 752 167 2ms 9 Jun 2025 417th DialFrost 🇸🇬 752 323 461ms 6 Mar 2025 418th HumanoidCPU 751 93 462ms 1 Nov 2024 419th arjanadriaanse 🇳🇱 751 149 40ms 28 Sep 2023 420th southpolenator 750 178 4ms 15 Jun 2023 421st nathanadams 🇳🇿 749 118 9ms 8 Jul 2021 421st Natanaelel 🇸🇪 749 118 9ms 7 Aug 2021 421st igmcdowell 749 118 9ms 14 Nov 2021 424th marcin7Cd 749 162 174ms 5 Oct 2020 424th ReidZ3 🇺🇸 749 162 185ms 30 Nov 2020 426th stefangimmillaro 749 211 269ms 25 Sep 2023 427th typeswitch-dev 🇵🇹 748 116 6ms 4 Aug 2023 428th edsrzf 🇳🇿 748 167 10ms 14 Mar 2025 429th Shanethegamer 🇺🇸 748 181 508ms 14 Jul 2023 430th SmartK8 🇨🇿 748 194 353ms 30 Oct 2022 431st sean-niemann 🇺🇸 747 204 375ms 31 Dec 2023 432nd dokutan 746 150 3ms 22 Apr 2024 433rd argusdusty 🇺🇸 745 212 259ms 25 Dec 2020 434th ovs-code 🇩🇪 743 106 84ms 19 Sep 2023 434th primo-ppcg 🇹🇭 743 106 75ms 15 Oct 2023 436th Shanethegamer 🇺🇸 743 107 921ms 24 Mar 2023 436th emgordon154 743 107 998ms 20 Nov 2024 438th neihousaigaai 743 119 10ms 14 Mar 2022 439th Shanethegamer 🇺🇸 742 133 31ms 8 Sep 2021 440th tsunderu 🇯🇵 742 180 2ms 22 Sep 2021 440th sean-niemann 🇺🇸 742 180 2ms 31 Dec 2023 442nd JGDoerrer 742 226 217ms 22 Jan 2022 443rd sisyphus-ppcg 🇦🇺 741 105 102ms 13 Oct 2023 444th kkoenig 740 206 376ms 20 Dec 2023 445th marcin7Cd 739 169 11ms 8 Feb 2021 446th emplv 🇱🇻 738 214 261ms 8 Jan 2024 447th ovs-code 🇩🇪 737 100 6ms 6 Oct 2024 448th hiichbindermax 737 104 17ms 24 Feb 2022 448th jeff-at-tamer-dot-codes 🇺🇸 737 104 10ms 18 May 2023 448th Player01osu 737 104 10ms 29 Oct 2023 First Prev 376–450 of 1,276 Next Last