pair,contact1,contact2,flow1,flow2
5nct_C_,13,31,1,1
5nct_C_,15,29,1,1
5nct_C_,17,26,1,1
5nct_C_,17,27,1,1
5nct_C_,19,21,1,1
5nct_C_,19,22,1,1
5nct_C_,19,24,1,1
5nct_C_,22,24,1,1