Diamond

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Diamond
{
    class Diamond
    {
        static void Main(string[] args)
        {
            int size = int.Parse(Console.ReadLine());

            //printing the top part
            int sideDots = size;
            int middleSymbol = (3 * size) - 2;
            for (int currRow = 0; currRow < size; currRow++)
            {
                char symbolToUse = currRow == 0 ? '*' : '.';

                Console.Write(new string('.', sideDots - currRow));
                Console.Write('*');
                Console.Write(new string(symbolToUse, middleSymbol));
                Console.Write('*');
                Console.WriteLine(new string('.', sideDots - currRow));

                middleSymbol += 2;
            }

            //printing the mid row
            Console.WriteLine(new string('*', size * 5));

            //printing the bot row
            int botRows = ((size * 3) + 2) - (size + 1);

            for (int currRow = 1; currRow <= botRows; currRow++)
            {
                char symbolToUse = currRow == botRows ? '*' : '.';

                middleSymbol -= 2;

                Console.Write(new string('.', currRow));
                Console.Write('*');
                Console.Write(new string(symbolToUse, middleSymbol));
                Console.Write('*');
                Console.WriteLine(new string('.', currRow));
            }
        }
    }
}