pair,contact1,contact2,flow1,flow2 2bzx_A_,2,30,1,1 2bzx_A_,3,58,1,1 2bzx_A_,4,28,1,1 2bzx_A_,5,56,1,1 2bzx_A_,6,25,1,1 2bzx_A_,6,26,1,1 2bzx_A_,7,54,1,1 2bzx_A_,9,54,1,1 2bzx_A_,10,22,1,1 2bzx_A_,16,18,1,1 2bzx_A_,18,49,1,1 2bzx_A_,20,49,1,1 2bzx_A_,23,26,1,1 2bzx_A_,31,40,1,1 2bzx_A_,32,40,1,1 2bzx_A_,34,38,1,1 2bzx_A_,39,50,1,1 2bzx_A_,41,48,1,1 2bzx_A_,45,47,1,1 2bzx_A_,51,54,1,1 2bzx_A_,52,55,1,1