pair,contact1,contact2,flow1,flow2
8pr3_E_,2,6,1,1
8pr3_E_,3,7,1,1
8pr3_E_,4,8,1,1
8pr3_E_,5,9,1,1
8pr3_E_,6,10,1,1
8pr3_E_,7,11,1,1
8pr3_E_,10,13,1,1