pair,contact1,contact2,flow1,flow2 8cd1_s_,2,6,1,1 8cd1_s_,3,6,1,1 8cd1_s_,11,12,1,1 8cd1_s_,11,15,1,1 8cd1_s_,11,34,1,1 8cd1_s_,11,37,1,1 8cd1_s_,12,16,1,1 8cd1_s_,13,17,1,1 8cd1_s_,13,34,1,1 8cd1_s_,14,18,1,1 8cd1_s_,15,18,1,1 8cd1_s_,15,19,1,1 8cd1_s_,18,22,1,1 8cd1_s_,20,23,1,1 8cd1_s_,30,47,1,1 8cd1_s_,30,49,1,1 8cd1_s_,35,71,1,1 8cd1_s_,36,69,1,1 8cd1_s_,40,43,1,1 8cd1_s_,46,61,1,1 8cd1_s_,48,59,1,1 8cd1_s_,49,56,1,1 8cd1_s_,50,57,1,1 8cd1_s_,52,55,1,1 8cd1_s_,62,65,1,1 8cd1_s_,65,68,1,1 8cd1_s_,70,73,1,1 8cd1_s_,71,74,1,1