pair,contact1,contact2,flow1,flow2 8ij1_R_,14,17,1,1 8ij1_R_,15,18,1,1 8ij1_R_,23,25,1,1 8ij1_R_,26,48,1,1 8ij1_R_,31,35,1,1 8ij1_R_,31,48,1,1 8ij1_R_,31,50,1,1 8ij1_R_,33,54,1,1 8ij1_R_,41,44,1,1 8ij1_R_,43,45,1,1 8ij1_R_,43,67,1,1 8ij1_R_,48,51,1,1 8ij1_R_,48,52,1,1 8ij1_R_,49,53,1,1 8ij1_R_,50,54,1,1 8ij1_R_,51,55,1,1 8ij1_R_,53,56,1,1 8ij1_R_,53,57,1,1 8ij1_R_,54,58,1,1 8ij1_R_,62,67,1,1 8ij1_R_,65,67,1,1 8ij1_R_,67,68,1,1