pair,contact1,contact2,flow1,flow2 3vt6_C_,1,3,1,1 3vt6_C_,3,7,1,1 3vt6_C_,4,8,1,1 3vt6_C_,5,9,1,1 3vt6_C_,6,10,1,1 3vt6_C_,8,11,1,1