pair,contact1,contact2,flow1,flow2 2lb2_A_,3,6,1,1 2lb2_A_,5,21,1,1 2lb2_A_,7,19,1,1 2lb2_A_,7,21,1,1 2lb2_A_,8,10,1,1 2lb2_A_,9,17,1,1 2lb2_A_,11,13,1,1 2lb2_A_,11,14,1,1 2lb2_A_,11,15,1,1 2lb2_A_,18,27,1,1 2lb2_A_,18,30,1,1 2lb2_A_,20,24,1,1 2lb2_A_,20,25,1,1 2lb2_A_,21,24,1,1 2lb2_A_,22,23,1,1 2lb2_A_,27,29,1,1 2lb2_A_,31,34,1,1 2lb2_A_,32,35,1,1