pair,contact1,contact2,flow1,flow2 1ff7_A_,9,12,1,1 1ff7_A_,10,12,1,1 1ff7_A_,12,15,1,1 1ff7_A_,12,36,1,1 1ff7_A_,13,37,1,1 1ff7_A_,16,27,1,1 1ff7_A_,17,25,1,1 1ff7_A_,18,25,1,1 1ff7_A_,29,32,1,1 1ff7_A_,30,41,1,1 1ff7_A_,31,41,1,1 1ff7_A_,33,39,1,1 1ff7_A_,34,37,1,1 1ff7_A_,36,38,1,1 1ff7_A_,40,42,1,1