pair,contact1,contact2,flow1,flow2 7bw2_I_,7,10,1,1 7bw2_I_,9,12,1,1 7bw2_I_,10,13,1,1 7bw2_I_,10,14,1,1 7bw2_I_,11,15,1,1 7bw2_I_,13,17,1,1 7bw2_I_,14,18,1,1 7bw2_I_,15,19,1,1 7bw2_I_,16,20,1,1 7bw2_I_,16,21,1,1 7bw2_I_,17,22,1,1 7bw2_I_,20,24,1,1 7bw2_I_,21,24,1,1 7bw2_I_,21,25,1,1 7bw2_I_,22,26,1,1 7bw2_I_,23,27,1,1 7bw2_I_,24,28,1,1 7bw2_I_,25,29,1,1 7bw2_I_,26,30,1,1 7bw2_I_,27,31,1,1 7bw2_I_,28,32,1,1 7bw2_I_,31,35,1,1 7bw2_I_,33,36,1,1