pair,contact1,contact2,flow1,flow2
4hkn_C_,5,8,1,1
4hkn_C_,6,8,1,1
4hkn_C_,9,32,1,1
4hkn_C_,11,26,1,1
4hkn_C_,13,24,1,1
4hkn_C_,18,20,1,1
4hkn_C_,18,21,1,1
4hkn_C_,29,32,1,1
4hkn_C_,30,33,1,1