pair,contact1,contact2,flow1,flow2 6zce_g_,26,34,1,1 6zce_g_,28,32,1,1 6zce_g_,38,51,1,1 6zce_g_,42,45,1,1 6zce_g_,52,59,1,1 6zce_g_,54,57,1,1 6zce_g_,58,69,1,1