using System;  

public class ArrayExample  

{  

    public static void Main(string[] args)  

    {

            int hang, cot;

​

            Console.Write("\n");

            Console.Write("Ve chu cai C bang dau sao trong C#:\n");

            Console.Write("----------------------------------");

            Console.Write("\n\n");

​

            for (hang = 0; hang <= 6; hang++)

            {

                for (cot = 0; cot <= 6; cot++)

                {

                    if ((cot == 1 && (hang != 0 && hang != 6)) || ((hang == 0 || 

                        hang == 6) && (cot > 1 && cot < 5)) || (cot == 5 && 

                        (hang == 1 || hang == 5)))

                        Console.Write("*");

                    else

                        Console.Write(" ");

                }

                Console.Write("\n");

            }

            Console.Write("\n");  

    }

}