pair,contact1,contact2,flow1,flow2 7c5d_C_,4,7,1,1 7c5d_C_,4,8,1,1 7c5d_C_,5,9,1,1 7c5d_C_,6,10,1,1 7c5d_C_,7,10,1,1 7c5d_C_,10,14,1,1