pair,contact1,contact2,flow1,flow2
8ir3_r_,1,4,1,1
8ir3_r_,3,7,1,1
8ir3_r_,4,8,1,1
8ir3_r_,6,10,1,1
8ir3_r_,7,11,1,1
8ir3_r_,9,12,1,1
8ir3_r_,9,13,1,1
8ir3_r_,12,16,1,1
8ir3_r_,14,18,1,1
8ir3_r_,15,19,1,1
8ir3_r_,17,20,1,1
8ir3_r_,20,23,1,1