pair,contact1,contact2,flow1,flow2
6zhb_A_,1,4,1,1
6zhb_A_,1,5,1,1
6zhb_A_,2,6,1,1
6zhb_A_,4,7,1,1
6zhb_A_,4,8,1,1
6zhb_A_,5,9,1,1
6zhb_A_,5,15,1,1
6zhb_A_,12,14,1,1
6zhb_A_,12,15,1,1
6zhb_A_,14,17,1,1
6zhb_A_,16,20,1,1
6zhb_A_,17,20,1,1