pair,contact1,contact2,flow1,flow2 3s15_L_,1,13,1,1 3s15_L_,4,5,1,1 3s15_L_,4,16,1,1 3s15_L_,6,33,1,1 3s15_L_,7,11,1,1 3s15_L_,7,12,1,1 3s15_L_,18,19,1,1 3s15_L_,23,28,1,1 3s15_L_,24,26,1,1 3s15_L_,24,28,1,1 3s15_L_,24,29,1,1