pair,contact1,contact2,flow1,flow2 8irh_K_,3,6,1,1 8irh_K_,4,7,1,1 8irh_K_,6,9,1,1 8irh_K_,7,10,1,1 8irh_K_,9,13,1,1 8irh_K_,10,14,1,1 8irh_K_,12,15,1,1 8irh_K_,12,16,1,1 8irh_K_,15,18,1,1 8irh_K_,16,19,1,1 8irh_K_,18,21,1,1 8irh_K_,19,22,1,1 8irh_K_,20,23,1,1 8irh_K_,21,25,1,1 8irh_K_,22,26,1,1 8irh_K_,23,27,1,1 8irh_K_,25,28,1,1 8irh_K_,25,29,1,1 8irh_K_,26,30,1,1 8irh_K_,27,31,1,1 8irh_K_,28,32,1,1 8irh_K_,29,33,1,1 8irh_K_,30,34,1,1 8irh_K_,31,36,1,1 8irh_K_,32,35,1,1