pair,contact1,contact2,flow1,flow2 1tbr_J_,21,30,1,1 1tbr_J_,25,28,1,1 1tbr_J_,25,29,1,1 1tbr_J_,25,30,1,1 1tbr_J_,25,35,1,1 1tbr_J_,28,31,1,1 1tbr_J_,28,33,1,1 1tbr_J_,29,32,1,1