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Beginner's hollow rectangle

using System;

public class Test
{
public static void Main()
{
var length = Console.ReadLine();
int l = Convert.ToInt32(length);
var breadth = Console.ReadLine();
int b = Convert.ToInt32(breadth);
PrintRectangle print = new PrintRectangle();
print.PrintHollowRectangle(l,b);
}
}

public class PrintRectangle
{
public void PrintHollowRectangle(int l,int b)
{
for(int i=0;i<b;i++)
{
for(int j=0;j<l;j++)
{
if(i!=0 && i!=b-1 && j!=0 && j!=l-1)
{
Console.Write("   ");
}
else
{
Console.Write(" * ");
}
}
Console.WriteLine();
}
}
}



INPUT
5 
4

OUTPUT
  •  *  *  *  *  * 
 *           * 
 *           * 
 *  *  *  *  *
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