pair,contact1,contact2,flow1,flow2 6t56_L_,7,10,1,1 6t56_L_,7,11,1,1 6t56_L_,7,12,1,1 6t56_L_,7,17,1,1 6t56_L_,10,13,1,1 6t56_L_,10,15,1,1 6t56_L_,11,14,1,1