pair,contact1,contact2,flow1,flow2 7pic_x_,6,7,1,1 7pic_x_,6,23,1,1 7pic_x_,8,21,1,1 7pic_x_,9,20,1,1 7pic_x_,10,18,1,1 7pic_x_,11,31,1,1 7pic_x_,12,32,1,1 7pic_x_,14,33,1,1 7pic_x_,14,38,1,1 7pic_x_,25,28,1,1 7pic_x_,32,35,1,1 7pic_x_,33,35,1,1 7pic_x_,36,39,1,1