pair,contact1,contact2,flow1,flow2 8ir1_P_,1,3,1,1 8ir1_P_,1,4,1,1 8ir1_P_,5,8,1,1 8ir1_P_,5,9,1,1 8ir1_P_,6,10,1,1 8ir1_P_,7,11,1,1 8ir1_P_,8,12,1,1 8ir1_P_,9,13,1,1 8ir1_P_,10,14,1,1 8ir1_P_,11,15,1,1 8ir1_P_,12,16,1,1 8ir1_P_,13,17,1,1 8ir1_P_,15,41,1,1 8ir1_P_,19,41,1,1 8ir1_P_,20,21,1,1 8ir1_P_,20,37,1,1 8ir1_P_,23,26,1,1 8ir1_P_,26,29,1,1 8ir1_P_,27,35,1,1 8ir1_P_,42,44,1,1 8ir1_P_,43,47,1,1