pair,contact1,contact2,flow1,flow2 8c2s_c_,13,17,1,1 8c2s_c_,14,18,1,1 8c2s_c_,15,19,1,1 8c2s_c_,16,20,1,1 8c2s_c_,17,21,1,1 8c2s_c_,18,22,1,1 8c2s_c_,19,23,1,1 8c2s_c_,20,24,1,1 8c2s_c_,21,25,1,1 8c2s_c_,22,26,1,1 8c2s_c_,23,27,1,1 8c2s_c_,24,28,1,1 8c2s_c_,25,29,1,1 8c2s_c_,26,30,1,1 8c2s_c_,27,31,1,1 8c2s_c_,28,32,1,1 8c2s_c_,29,33,1,1 8c2s_c_,30,34,1,1 8c2s_c_,31,35,1,1 8c2s_c_,32,36,1,1 8c2s_c_,33,37,1,1 8c2s_c_,34,38,1,1 8c2s_c_,35,39,1,1 8c2s_c_,36,40,1,1 8c2s_c_,37,41,1,1 8c2s_c_,38,42,1,1 8c2s_c_,39,43,1,1 8c2s_c_,40,44,1,1 8c2s_c_,41,45,1,1 8c2s_c_,42,46,1,1 8c2s_c_,43,48,1,1