pair,contact1,contact2,flow1,flow2 6h67_L_,3,12,1,1 6h67_L_,4,31,1,1 6h67_L_,5,10,1,1 6h67_L_,8,10,1,1 6h67_L_,10,22,1,1 6h67_L_,15,18,1,1 6h67_L_,18,19,1,1 6h67_L_,22,27,1,1