pair,contact1,contact2,flow1,flow2
8b8z_C_,1,5,1,1
8b8z_C_,2,6,1,1
8b8z_C_,3,7,1,1
8b8z_C_,4,8,1,1
8b8z_C_,5,9,1,1
8b8z_C_,6,10,1,1
8b8z_C_,7,10,1,1
8b8z_C_,8,11,1,1