pair,contact1,contact2,flow1,flow2 2lb0_A_,7,19,1,1 2lb0_A_,8,10,1,1 2lb0_A_,9,17,1,1 2lb0_A_,11,13,1,1 2lb0_A_,11,14,1,1 2lb0_A_,11,15,1,1 2lb0_A_,18,27,1,1 2lb0_A_,20,25,1,1 2lb0_A_,29,33,1,1 2lb0_A_,30,32,1,1 2lb0_A_,30,33,1,1