np1 crd 1 crd j 1 n2 n2 5 n2 n1 1 n1 j 2 n1 n2 3 n1 n1 7 j n1 3 j n2 4 av-j j 1 j j 1 n2 j 4 n2 ng1 1 np1 n2 1 n2 np1 1 n2 av-j 2 js n1 2 ng1 n2 1 ng1 n1 1 av-j n2 1 n2 js 1 n1 ng1 1 n1 js 1