pair,contact1,contact2,flow1,flow2 8s4g_M_,1,4,1,1 8s4g_M_,8,11,1,1 8s4g_M_,8,12,1,1 8s4g_M_,9,13,1,1 8s4g_M_,10,14,1,1 8s4g_M_,11,15,1,1 8s4g_M_,16,20,1,1 8s4g_M_,17,21,1,1 8s4g_M_,19,22,1,1 8s4g_M_,34,50,1,1 8s4g_M_,43,45,1,1 8s4g_M_,49,52,1,1 8s4g_M_,50,53,1,1 8s4g_M_,59,61,1,1 8s4g_M_,62,65,1,1 8s4g_M_,62,66,1,1