pair,contact1,contact2,flow1,flow2
4v5z_B8_,1,5,1,1
4v5z_B8_,2,5,1,1
4v5z_B8_,2,6,1,1
4v5z_B8_,3,7,1,1
4v5z_B8_,4,8,1,1
4v5z_B8_,5,9,1,1
4v5z_B8_,6,10,1,1