pair,contact1,contact2,flow1,flow2 6t4c_D_,14,16,1,1 6t4c_D_,14,17,1,1 6t4c_D_,15,18,1,1 6t4c_D_,20,22,1,1 6t4c_D_,29,32,1,1 6t4c_D_,29,33,1,1 6t4c_D_,30,34,1,1 6t4c_D_,34,36,1,1 6t4c_D_,41,44,1,1