pair,contact1,contact2,flow1,flow2 8p2f_7_,3,6,1,1 8p2f_7_,8,11,1,1 8p2f_7_,8,12,1,1 8p2f_7_,9,13,1,1 8p2f_7_,10,14,1,1 8p2f_7_,11,15,1,1 8p2f_7_,12,16,1,1 8p2f_7_,13,17,1,1 8p2f_7_,16,43,1,1 8p2f_7_,17,21,1,1 8p2f_7_,18,22,1,1 8p2f_7_,20,23,1,1 8p2f_7_,22,28,1,1 8p2f_7_,24,28,1,1 8p2f_7_,25,29,1,1 8p2f_7_,26,30,1,1 8p2f_7_,27,31,1,1 8p2f_7_,28,32,1,1 8p2f_7_,29,33,1,1 8p2f_7_,30,34,1,1 8p2f_7_,31,35,1,1 8p2f_7_,32,36,1,1 8p2f_7_,33,37,1,1 8p2f_7_,34,38,1,1 8p2f_7_,34,39,1,1 8p2f_7_,34,41,1,1 8p2f_7_,35,38,1,1