pair,contact1,contact2,flow1,flow2 8rgt_s_,2,4,1,1 8rgt_s_,2,5,1,1 8rgt_s_,2,7,1,1 8rgt_s_,5,7,1,1 8rgt_s_,6,8,1,1 8rgt_s_,8,11,1,1 8rgt_s_,9,12,1,1 8rgt_s_,15,18,1,1 8rgt_s_,17,21,1,1 8rgt_s_,18,22,1,1 8rgt_s_,19,23,1,1 8rgt_s_,20,24,1,1 8rgt_s_,21,25,1,1 8rgt_s_,22,26,1,1 8rgt_s_,24,27,1,1 8rgt_s_,25,28,1,1 8rgt_s_,26,29,1,1 8rgt_s_,36,38,1,1 8rgt_s_,39,40,1,1 8rgt_s_,39,42,1,1 8rgt_s_,40,42,1,1