pair,contact1,contact2,flow1,flow2 7pic_1_,4,7,1,1 7pic_1_,5,9,1,1 7pic_1_,5,10,1,1 7pic_1_,7,11,1,1 7pic_1_,8,12,1,1 7pic_1_,9,12,1,1 7pic_1_,14,17,1,1 7pic_1_,14,18,1,1 7pic_1_,15,16,1,1 7pic_1_,20,44,1,1 7pic_1_,21,23,1,1 7pic_1_,21,45,1,1 7pic_1_,23,26,1,1 7pic_1_,27,28,1,1 7pic_1_,29,33,1,1 7pic_1_,30,32,1,1 7pic_1_,30,33,1,1 7pic_1_,34,37,1,1 7pic_1_,34,38,1,1 7pic_1_,35,39,1,1 7pic_1_,36,40,1,1 7pic_1_,37,41,1,1 7pic_1_,38,42,1,1 7pic_1_,48,51,1,1 7pic_1_,49,52,1,1 7pic_1_,50,51,1,1 7pic_1_,50,54,1,1 7pic_1_,51,55,1,1 7pic_1_,52,55,1,1 7pic_1_,52,56,1,1 7pic_1_,53,57,1,1 7pic_1_,55,59,1,1