pair,contact1,contact2,flow1,flow2
8or4_B_,12,35,1,1
8or4_B_,16,19,1,1
8or4_B_,16,20,1,1
8or4_B_,17,21,1,1
8or4_B_,18,21,1,1
8or4_B_,18,22,1,1
8or4_B_,19,23,1,1
8or4_B_,20,24,1,1
8or4_B_,21,25,1,1
8or4_B_,22,25,1,1
8or4_B_,23,27,1,1
8or4_B_,27,30,1,1