using System;

public class Program

{

    public  void Main()

    {

                 Random r = new Random();

            int[,] m = new int[10, 10];

            for (int i = 0; i < 10; i++)

            {

                for (int j = 0; j < 10; j++)

                {

                    m[i, j] = r.Next(100, 500);

                }

            }

            for (int i = 0; i < 10; i++)

            {

                for (int j = 0; j < 10; j++)

                {

                    Console.Write(m[i, j] + "     ");

​

                              }

                Console.WriteLine();

                         }

​

         Console.WriteLine("*********************************");

​

            for (int i = 0; i < 10; i++)

            {

                for (int j = 0; j < 10; j++)

                {

                    if (i == 0 || j == 0 || i == 9 || j == 9)

​

                        Console.Write(m[i, j] + "     ");

                    else

                        Console.Write("        ");

                }

​

​

                Console.WriteLine();

            }

​

​

​

               Console.ReadLine();

​

            }

        }

    }

​

    }

​