Może tak?

Z poniższej definicji wynika, że taki budynek składa się z dwóch połączonych ze sobą brył:

A double unit building structure comprising:

a first unit having a front elevation, a rear elevation, a first side wall, and a second side wall; and

a second unit having a front elevation, a rear elevation, a first side wall, and a second side wall;

said first and second units being joined together to form said double unit building structure with first side walls of said first and second units sharing a common border and with said front elevations of said first and second units facing opposite directions.