av-j n1 1 n1 n1 1 npg1 j 1 av-j npg1 1 np1 crd 1 n1 av-j 1 av-j ng1 1 n1 j 1 crd j 1 n2 av-j 1 n2 n2 1 n2 j 1 j n1 1 ng1 n1 1 j n2 1 n2 n1 1