pair,contact1,contact2,flow1,flow2 1zgx_B_,3,6,1,1 1zgx_B_,4,20,1,1 1zgx_B_,4,22,1,1 1zgx_B_,5,6,1,1 1zgx_B_,6,19,1,1 1zgx_B_,8,17,1,1 1zgx_B_,10,15,1,1 1zgx_B_,12,15,1,1 1zgx_B_,15,17,1,1 1zgx_B_,16,29,1,1 1zgx_B_,16,31,1,1 1zgx_B_,18,27,1,1 1zgx_B_,19,21,1,1 1zgx_B_,19,23,1,1 1zgx_B_,19,25,1,1 1zgx_B_,21,24,1,1 1zgx_B_,21,25,1,1 1zgx_B_,30,32,1,1