pair,contact1,contact2,flow1,flow2 7dxh_t_,1,5,1,1 7dxh_t_,3,7,1,1 7dxh_t_,4,8,1,1 7dxh_t_,5,9,1,1 7dxh_t_,6,10,1,1 7dxh_t_,7,11,1,1 7dxh_t_,8,12,1,1 7dxh_t_,9,13,1,1 7dxh_t_,10,14,1,1 7dxh_t_,11,15,1,1 7dxh_t_,12,16,1,1 7dxh_t_,13,17,1,1 7dxh_t_,14,18,1,1 7dxh_t_,15,19,1,1 7dxh_t_,16,20,1,1 7dxh_t_,17,21,1,1 7dxh_t_,18,22,1,1