pair,contact1,contact2,flow1,flow2 6nk7_U_,2,13,1,1 6nk7_U_,4,11,1,1 6nk7_U_,8,9,1,1 6nk7_U_,12,15,1,1 6nk7_U_,20,21,1,1 6nk7_U_,21,56,1,1 6nk7_U_,22,25,1,1 6nk7_U_,22,26,1,1 6nk7_U_,22,30,1,1 6nk7_U_,26,30,1,1 6nk7_U_,27,31,1,1 6nk7_U_,28,32,1,1 6nk7_U_,29,33,1,1 6nk7_U_,30,34,1,1 6nk7_U_,32,35,1,1 6nk7_U_,32,36,1,1 6nk7_U_,33,36,1,1 6nk7_U_,33,37,1,1 6nk7_U_,37,40,1,1 6nk7_U_,41,44,1,1 6nk7_U_,42,46,1,1 6nk7_U_,43,47,1,1 6nk7_U_,44,48,1,1 6nk7_U_,45,49,1,1 6nk7_U_,46,50,1,1 6nk7_U_,47,52,1,1 6nk7_U_,48,54,1,1 6nk7_U_,51,53,1,1 6nk7_U_,53,54,1,1 6nk7_U_,54,60,1,1 6nk7_U_,57,59,1,1