pair,contact1,contact2,flow1,flow2 2fyu_I_,3,7,1,1 2fyu_I_,5,8,1,1 2fyu_I_,12,24,1,1 2fyu_I_,14,22,1,1 2fyu_I_,18,53,1,1 2fyu_I_,21,47,1,1 2fyu_I_,29,33,1,1 2fyu_I_,40,42,1,1 2fyu_I_,47,48,1,1 2fyu_I_,50,52,1,1 2fyu_I_,51,52,1,1 2fyu_I_,51,54,1,1