n1 n2 1 n1 np2 1 n1 n1 1 j ng1 1 n1 ng1 1 np1 crd 1 j n2 1 n1 av-j 1 ng1 n1 1 n1 ord 1 crd j 1 np2 j 1 n2 j 1 j n1 1 ng1 j 1 ord n1 1 av-j n1 1 n1 j 1