pair,contact1,contact2,flow1,flow2 8xcg_I_,2,3,1,1 8xcg_I_,5,7,1,1 8xcg_I_,7,8,1,1 8xcg_I_,9,11,1,1 8xcg_I_,11,12,1,1 8xcg_I_,12,13,1,1 8xcg_I_,14,34,1,1 8xcg_I_,48,51,1,1