How to place the sofa with L-type?

How to place the sofa with L-type? It is a very common to put the sofa with L-type in living room. It is a sofa style that extends on the basis of the long sofa. L-type can be consisted with Three-seater Sofa and love seat sofa or Three-seater Sofa and two single sofas, which is the most common sofa type in medium-sized households....