See questions above. How are Sheva Brochos recited when two couples made the seuda together?

Rema (E.H. 62: 3) rules that when the seuda was eaten by the two groups on the same hall or room, one set of Sheva Brochos should be recited for both couples when they ate together. Even if they are not in the same room but the groups can see each other they are considered one group and one set of blessings is recited for both. More so, even if they don’t see each other but there are served together by one set of waiters, Poskim consider them as a single group, and only one set of Sheva Brochos is said. (Sovea S’mochos 1: 27, Hanesuim Kehilchosom 14: 91 and others.