pair,contact1,contact2,flow1,flow2 6h9h_D_,3,4,1,1 6h9h_D_,5,7,1,1 6h9h_D_,7,21,1,1 6h9h_D_,8,20,1,1 6h9h_D_,9,19,1,1 6h9h_D_,10,18,1,1 6h9h_D_,11,17,1,1 6h9h_D_,12,16,1,1