pair,contact1,contact2,flow1,flow2 5gao_r_,4,6,1,1 5gao_r_,8,12,1,1 5gao_r_,11,28,1,1 5gao_r_,12,28,1,1 5gao_r_,13,67,1,1 5gao_r_,14,26,1,1 5gao_r_,15,65,1,1 5gao_r_,16,24,1,1 5gao_r_,17,63,1,1 5gao_r_,18,22,1,1 5gao_r_,19,22,1,1 5gao_r_,19,60,1,1 5gao_r_,27,40,1,1 5gao_r_,30,38,1,1 5gao_r_,32,35,1,1 5gao_r_,32,36,1,1 5gao_r_,36,58,1,1 5gao_r_,37,56,1,1 5gao_r_,39,54,1,1 5gao_r_,42,50,1,1 5gao_r_,44,48,1,1 5gao_r_,57,60,1,1 5gao_r_,58,61,1,1