pair,contact1,contact2,flow1,flow2
8rbz_r_,1,2,1,1
8rbz_r_,3,5,1,1
8rbz_r_,16,19,1,1
8rbz_r_,16,20,1,1
8rbz_r_,17,21,1,1
8rbz_r_,18,22,1,1
8rbz_r_,19,23,1,1
8rbz_r_,20,24,1,1
8rbz_r_,21,25,1,1
8rbz_r_,23,26,1,1