pair,contact1,contact2,flow1,flow2
7r1r_D_,1,3,1,1
7r1r_D_,2,3,1,1
7r1r_D_,9,13,1,1
7r1r_D_,10,14,1,1
7r1r_D_,11,14,1,1
7r1r_D_,11,15,1,1
7r1r_D_,12,15,1,1
7r1r_D_,13,16,1,1