LIB "tst.lib"; tst_init(); LIB "multigrading.lib"; intmat S1[2][2] = 1,0, 0,1; intmat L1[2][1] = 2, 0; intmat S2[2][2] = 1,0, 0,2; intmat L2[2][1] = 0, 3; list G = createGroup(S1,L1); list H = createGroup(S2,L2); list N = productgroup(G,H); print(N); kill G,H,N,S1,L1,S2,L2; tst_status(1);$