A.Qb B.Qb,d C.Qb,ad D.Qgr,ad
A.Qbb B.Qbgr,p C.Qbgr,v D.Qb,gr,v
A.Qgr,v,ad B.Qnet,v,ad C.Qnet,p,ad D.Qgr,p,ad