pair,contact1,contact2,flow1,flow2
4cfh_C_,3,6,1,1
4cfh_C_,3,7,1,1
4cfh_C_,4,8,1,1
4cfh_C_,5,9,1,1
4cfh_C_,6,10,1,1
4cfh_C_,7,11,1,1
4cfh_C_,8,12,1,1
4cfh_C_,9,13,1,1
4cfh_C_,10,14,1,1
4cfh_C_,11,15,1,1
4cfh_C_,12,15,1,1
4cfh_C_,12,16,1,1
4cfh_C_,13,17,1,1
4cfh_C_,15,18,1,1
4cfh_C_,15,19,1,1
4cfh_C_,16,20,1,1