static void Main(string[] args)
{
FirstLastList theList = new FirstLastList();
theList.InsertFirst(22); //Insert at front
theList.InsertFirst(44);
theList.InsertFirst(66);
theList.InsertLast(11); //Insert at Rear
theList.InsertLast(33);
theList.InsertLast(55);
theList.DisplayList();
theList.DeleteFirst();
theList.DeleteFirst();
theList.DisplayList();
Console.ReadLine();
}