pair,contact1,contact2,flow1,flow2 6hn5_B_,3,5,1,1 6hn5_B_,5,9,1,1 6hn5_B_,7,10,1,1 6hn5_B_,7,11,1,1 6hn5_B_,8,12,1,1 6hn5_B_,9,13,1,1 6hn5_B_,10,13,1,1 6hn5_B_,10,14,1,1 6hn5_B_,13,16,1,1 6hn5_B_,13,17,1,1 6hn5_B_,17,21,1,1