Default Box constructor, Serial Number = 1
Alternate Box constructor, Serial Number = 2
Alternate Box constructor, Serial Number = 3
b1: I am a box with length=1, height=2 and width=3.  Serial Number = 1
b2: I am a box with length=0.5, height=2.5 and width=3.  Serial Number = 2
b3: I am a box with length=1.1, height=3 and width=3.5.  Serial Number = 3

=== Report:
There are 3 boxes in existence.
A total of 3 boxes have been made.
===

Default Box constructor, Serial Number = 4
Default Box constructor, Serial Number = 5

=== Report:
There are 5 boxes in existence.
A total of 5 boxes have been made.
===

Box destructor, Serial Number = 5
Box destructor, Serial Number = 4
Boxes b1 and b2 are incomparable
Box b1 fits inside box b3
Box b2 fits inside box b3

=== Report:
There are 3 boxes in existence.
A total of 5 boxes have been made.
===

Box destructor, Serial Number = 3
Box destructor, Serial Number = 2
Box destructor, Serial Number = 1