pair,contact1,contact2,flow1,flow2 2b9s_B_,5,8,1,1 2b9s_B_,6,10,1,1 2b9s_B_,7,11,1,1 2b9s_B_,8,12,1,1 2b9s_B_,8,13,1,1 2b9s_B_,10,40,1,1 2b9s_B_,14,16,1,1 2b9s_B_,14,17,1,1 2b9s_B_,15,19,1,1 2b9s_B_,16,20,1,1 2b9s_B_,17,21,1,1 2b9s_B_,18,22,1,1 2b9s_B_,19,23,1,1 2b9s_B_,20,24,1,1 2b9s_B_,20,50,1,1 2b9s_B_,22,27,1,1 2b9s_B_,28,31,1,1 2b9s_B_,29,32,1,1 2b9s_B_,29,33,1,1 2b9s_B_,34,38,1,1 2b9s_B_,35,39,1,1 2b9s_B_,36,40,1,1 2b9s_B_,38,41,1,1 2b9s_B_,41,44,1,1