pair,contact1,contact2,flow1,flow2
8fl4_BD_,5,9,1,1
8fl4_BD_,6,10,1,1
8fl4_BD_,7,11,1,1
8fl4_BD_,8,12,1,1
8fl4_BD_,9,13,1,1
8fl4_BD_,10,14,1,1
8fl4_BD_,11,14,1,1