pair,contact1,contact2,flow1,flow2
7nbu_z_,8,11,1,1
7nbu_z_,8,12,1,1
7nbu_z_,9,13,1,1
7nbu_z_,10,14,1,1
7nbu_z_,11,15,1,1
7nbu_z_,12,16,1,1
7nbu_z_,14,17,1,1
7nbu_z_,16,19,1,1
7nbu_z_,22,23,1,1
7nbu_z_,28,37,1,1
7nbu_z_,28,39,1,1
7nbu_z_,30,33,1,1
7nbu_z_,30,34,1,1
7nbu_z_,30,35,1,1
7nbu_z_,30,50,1,1
7nbu_z_,33,35,1,1
7nbu_z_,35,43,1,1
7nbu_z_,35,45,1,1
7nbu_z_,37,41,1,1
7nbu_z_,38,41,1,1
7nbu_z_,43,45,1,1
7nbu_z_,43,46,1,1
7nbu_z_,43,47,1,1
7nbu_z_,45,52,1,1
7nbu_z_,46,53,1,1
7nbu_z_,48,51,1,1