pair,contact1,contact2,flow1,flow2
1c4v_1_,8,11,1,1
1c4v_1_,8,17,1,1
1c4v_1_,12,15,1,1
1c4v_1_,12,16,1,1
1c4v_1_,12,17,1,1
1c4v_1_,12,22,1,1
1c4v_1_,15,18,1,1
1c4v_1_,15,20,1,1
1c4v_1_,16,19,1,1