pair,contact1,contact2,flow1,flow2
8ir1_r_,1,4,1,1
8ir1_r_,4,8,1,1
8ir1_r_,5,9,1,1
8ir1_r_,6,10,1,1
8ir1_r_,7,11,1,1
8ir1_r_,8,12,1,1
8ir1_r_,9,13,1,1
8ir1_r_,12,16,1,1
8ir1_r_,13,17,1,1
8ir1_r_,14,18,1,1
8ir1_r_,15,19,1,1
8ir1_r_,16,20,1,1
8ir1_r_,17,21,1,1
8ir1_r_,18,22,1,1
8ir1_r_,20,24,1,1