pair,contact1,contact2,flow1,flow2 6zce_r_,3,7,1,1 6zce_r_,4,8,1,1 6zce_r_,5,9,1,1 6zce_r_,6,10,1,1 6zce_r_,8,11,1,1 6zce_r_,9,12,1,1 6zce_r_,15,18,1,1 6zce_r_,16,19,1,1 6zce_r_,18,21,1,1 6zce_r_,26,29,1,1 6zce_r_,41,44,1,1 6zce_r_,43,47,1,1 6zce_r_,44,48,1,1 6zce_r_,45,49,1,1 6zce_r_,46,50,1,1 6zce_r_,47,51,1,1 6zce_r_,48,52,1,1