Interior template

These are templates for which no name has been invented yet. R3 C4 Sa1 Va2    Vd2 Va3 Vc3 Sd3

R3 C4 Sa1    Vd1 Va2    Vd2 Va3    Sd3

R4 C4 Sa1 Va2   Vd2 Va3   Vd3 Sd4

R3 C3 Va1    Vc1 Vc2 Vb3 Sc3