pair,contact1,contact2,flow1,flow2
8c2s_f_,1,4,1,1
8c2s_f_,2,5,1,1
8c2s_f_,2,6,1,1
8c2s_f_,3,7,1,1
8c2s_f_,5,8,1,1
8c2s_f_,6,9,1,1
8c2s_f_,7,10,1,1
8c2s_f_,8,11,1,1
8c2s_f_,10,14,1,1
8c2s_f_,11,15,1,1
8c2s_f_,12,16,1,1
8c2s_f_,13,17,1,1
8c2s_f_,14,18,1,1
8c2s_f_,15,19,1,1
8c2s_f_,16,20,1,1
8c2s_f_,17,21,1,1
8c2s_f_,18,22,1,1
8c2s_f_,19,23,1,1
8c2s_f_,20,24,1,1
8c2s_f_,21,25,1,1
8c2s_f_,22,26,1,1
8c2s_f_,23,27,1,1
8c2s_f_,24,28,1,1
8c2s_f_,25,29,1,1
8c2s_f_,28,31,1,1
8c2s_f_,34,52,1,1
8c2s_f_,35,41,1,1
8c2s_f_,35,42,1,1
8c2s_f_,37,39,1,1
8c2s_f_,37,41,1,1
8c2s_f_,42,48,1,1
8c2s_f_,45,48,1,1