pair,contact1,contact2,flow1,flow2 7nhq_X_,3,5,1,1 7nhq_X_,3,7,1,1 7nhq_X_,4,8,1,1 7nhq_X_,5,9,1,1 7nhq_X_,6,10,1,1 7nhq_X_,7,11,1,1 7nhq_X_,8,12,1,1 7nhq_X_,9,13,1,1 7nhq_X_,10,14,1,1 7nhq_X_,11,15,1,1 7nhq_X_,12,15,1,1 7nhq_X_,12,16,1,1 7nhq_X_,13,17,1,1 7nhq_X_,14,18,1,1 7nhq_X_,15,19,1,1 7nhq_X_,16,20,1,1 7nhq_X_,17,21,1,1 7nhq_X_,18,22,1,1 7nhq_X_,19,23,1,1 7nhq_X_,20,24,1,1 7nhq_X_,21,25,1,1 7nhq_X_,22,26,1,1 7nhq_X_,23,27,1,1 7nhq_X_,24,28,1,1 7nhq_X_,25,29,1,1 7nhq_X_,26,30,1,1 7nhq_X_,27,31,1,1 7nhq_X_,28,31,1,1 7nhq_X_,28,32,1,1 7nhq_X_,30,34,1,1 7nhq_X_,32,35,1,1