pair,contact1,contact2,flow1,flow2 4rkj_A_,6,15,1,1 4rkj_A_,9,15,1,1 4rkj_A_,10,13,1,1 4rkj_A_,10,14,1,1 4rkj_A_,10,15,1,1 4rkj_A_,10,20,1,1 4rkj_A_,13,16,1,1 4rkj_A_,13,18,1,1 4rkj_A_,14,17,1,1