pair,contact1,contact2,flow1,flow2 8hqy_U_,1,17,1,1 8hqy_U_,3,15,1,1 8hqy_U_,4,65,1,1 8hqy_U_,4,67,1,1 8hqy_U_,5,13,1,1 8hqy_U_,6,67,1,1 8hqy_U_,7,10,1,1 8hqy_U_,7,11,1,1 8hqy_U_,18,20,1,1 8hqy_U_,18,21,1,1 8hqy_U_,21,22,1,1 8hqy_U_,21,56,1,1 8hqy_U_,22,25,1,1 8hqy_U_,23,27,1,1 8hqy_U_,24,28,1,1 8hqy_U_,25,29,1,1 8hqy_U_,26,30,1,1 8hqy_U_,27,31,1,1 8hqy_U_,27,41,1,1 8hqy_U_,27,52,1,1 8hqy_U_,28,32,1,1 8hqy_U_,30,33,1,1 8hqy_U_,30,34,1,1 8hqy_U_,42,49,1,1 8hqy_U_,42,70,1,1 8hqy_U_,44,68,1,1 8hqy_U_,45,48,1,1 8hqy_U_,46,48,1,1 8hqy_U_,51,54,1,1 8hqy_U_,54,59,1,1 8hqy_U_,55,57,1,1 8hqy_U_,56,59,1,1