n1 n1 1 n1 crd 1 j ng1 1 n1 jc 1 np1 crd 1 j n2 1 n1 ng1 1 j crd 1 crd n1 1 ng1 n1 1 crd j 1 j j 1 jc n1 1 n2 j 1 j n1 1 n1 j 1