pair,contact1,contact2,flow1,flow2
1p8d_C_,1,5,1,1
1p8d_C_,4,7,1,1
1p8d_C_,6,10,1,1
1p8d_C_,7,11,1,1
1p8d_C_,8,12,1,1
1p8d_C_,9,13,1,1
1p8d_C_,11,14,1,1
1p8d_C_,11,15,1,1