Default Box constructor, Serial Number = 1
Default Package constructor, Serial Number = 1
Alternate Box constructor, Serial Number = 2
Alternate Package constructor, Serial Number = 2
Alternate Box constructor, Serial Number = 3
Alternate Package constructor, Serial Number = 3
p1: This package has length=0, height=0 & width=0
   This package is empty
p2: This package has length=2, height=2 & width=2
   This package is empty
p3: This package has length=2.1, height=3 & width=2.5
   This package is empty

Store:
store p1 in p2, b=1
store p2 in p3, b=1
This package has length=2.1, height=3 & width=2.5
   This package contains the following:
This package has length=2, height=2 & width=2
   This package contains the following:
This package has length=0, height=0 & width=0
   This package is empty

Content:
This package has length=0, height=0 & width=0
   This package is empty

Empty:
p3: This package has length=2.1, height=3 & width=2.5
   This package is empty
*ptr: This package has length=2, height=2 & width=2
   This package contains the following:
This package has length=0, height=0 & width=0
   This package is empty
Package destructor, Serial Number = 3
Box destructor, Serial Number = 3
Package destructor, Serial Number = 2
Box destructor, Serial Number = 2
Package destructor, Serial Number = 1
Box destructor, Serial Number = 1