pair,contact1,contact2,flow1,flow2
3vt9_C_,3,7,1,1
3vt9_C_,4,8,1,1
3vt9_C_,5,9,1,1
3vt9_C_,6,10,1,1
3vt9_C_,7,10,1,1
3vt9_C_,8,11,1,1