pair,contact1,contact2,flow1,flow2 7ri9_C_,2,5,1,1 7ri9_C_,3,4,1,1 7ri9_C_,5,10,1,1 7ri9_C_,7,8,1,1 7ri9_C_,9,10,1,1 7ri9_C_,9,12,1,1 7ri9_C_,14,53,1,1 7ri9_C_,15,19,1,1 7ri9_C_,17,18,1,1 7ri9_C_,28,31,1,1 7ri9_C_,39,41,1,1 7ri9_C_,49,51,1,1 7ri9_C_,53,55,1,1 7ri9_C_,55,57,1,1 7ri9_C_,62,63,1,1