pair,contact1,contact2,flow1,flow2 1tqe_X_,5,6,1,1 1tqe_X_,8,12,1,1 1tqe_X_,10,13,1,1 1tqe_X_,10,14,1,1 1tqe_X_,11,15,1,1 1tqe_X_,12,16,1,1 1tqe_X_,13,16,1,1 1tqe_X_,13,17,1,1 1tqe_X_,15,19,1,1 1tqe_X_,16,20,1,1 1tqe_X_,17,21,1,1 1tqe_X_,18,21,1,1 1tqe_X_,18,22,1,1 1tqe_X_,20,23,1,1