n1 n2 1 n1 j-jn 1 n1 n1 10 n2 n1 1 j ng2 1 n1 ng1 2 np1 crd 1 j n2 1 n1 jc 1 ng2 n1 1 ng1 n1 2 av-j n2 1 crd j 1 n2 av-j 1 j-jn n1 1 j-jn n2 1 j n1 4 n2 j-jn 1 ng1 j 1 n1 j 4 jc ng1 1