pair,contact1,contact2,flow1,flow2 5c6h_B_,4,5,1,1 5c6h_B_,5,9,1,1 5c6h_B_,6,8,1,1 5c6h_B_,7,11,1,1 5c6h_B_,8,12,1,1 5c6h_B_,9,13,1,1 5c6h_B_,10,14,1,1 5c6h_B_,11,15,1,1 5c6h_B_,12,16,1,1 5c6h_B_,13,17,1,1 5c6h_B_,14,18,1,1 5c6h_B_,15,19,1,1 5c6h_B_,16,20,1,1 5c6h_B_,17,21,1,1 5c6h_B_,18,22,1,1 5c6h_B_,19,23,1,1 5c6h_B_,21,24,1,1