pair,contact1,contact2,flow1,flow2
6n68_A_,1,4,1,1
6n68_A_,1,5,1,1
6n68_A_,3,7,1,1
6n68_A_,4,8,1,1
6n68_A_,6,9,1,1
6n68_A_,6,10,1,1