pair,contact1,contact2,flow1,flow2
8ir1_M_,3,6,1,1
8ir1_M_,4,7,1,1
8ir1_M_,9,11,1,1
8ir1_M_,14,28,1,1
8ir1_M_,16,26,1,1
8ir1_M_,18,20,1,1
8ir1_M_,18,23,1,1
8ir1_M_,19,38,1,1
8ir1_M_,20,21,1,1
8ir1_M_,20,22,1,1
8ir1_M_,20,40,1,1
8ir1_M_,21,23,1,1
8ir1_M_,23,25,1,1
8ir1_M_,25,34,1,1
8ir1_M_,27,29,1,1
8ir1_M_,27,30,1,1
8ir1_M_,27,31,1,1
8ir1_M_,27,32,1,1
8ir1_M_,35,44,1,1
8ir1_M_,36,44,1,1
8ir1_M_,43,56,1,1
8ir1_M_,50,54,1,1
8ir1_M_,51,55,1,1
8ir1_M_,57,60,1,1
8ir1_M_,65,69,1,1
8ir1_M_,66,70,1,1
8ir1_M_,67,71,1,1
8ir1_M_,68,72,1,1
8ir1_M_,69,73,1,1
8ir1_M_,72,77,1,1
8ir1_M_,73,76,1,1