pair,contact1,contact2,flow1,flow2 7nbx_C_,10,49,1,1 7nbx_C_,13,14,1,1 7nbx_C_,22,23,1,1 7nbx_C_,39,41,1,1 7nbx_C_,43,44,1,1 7nbx_C_,47,50,1,1