03. Dress Pattern

using System;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
#if DEBUG
        Console.SetIn(new StreamReader("../../../input.txt"));
#endif
        int n = int.Parse(Console.ReadLine());

        Console.WriteLine("{0}.{0}.{0}",
            new string('_', 4 * n));

        int times = -1;
        for (int i = 1; i < 2 * n; i++)
        {
            times += 2;
            Console.WriteLine("{0}.{1}.{0}.{1}.{0}",
                new string('_', 4 * n - 2 * i),
                new string('*', times + i));
        }

        Console.WriteLine(".{0}..{0}.",
            new string('*', 6 * n - 1));

        for (int i = 0; i < n; i++)
        {
            Console.WriteLine(".{0}.",
                new string('*', 12 * n));
        }

        Console.WriteLine("{0}{1}{0}",
            new string('.', 3 * n),
            new string('*', 6 * n + 2));

        for (int i = 0; i < n; i++)
        {
            Console.WriteLine("{0}{1}{0}",
                new string('_', 3 * n),
                new string('o', 6 * n + 2));
        }

        for (int i = 0; i < 3 * n; i++)
        {
            Console.WriteLine("{0}.{1}.{0}",
                new string('_', 3 * n - i),
                new string('*', 6 * n + 2 * i));
        }

        Console.WriteLine("{0}",
                new string('.', 12 * n + 2));
    }
}