pair,contact1,contact2,flow1,flow2
1m8m_A_,8,10,1,1
1m8m_A_,9,11,1,1
1m8m_A_,11,17,1,1
1m8m_A_,13,15,1,1
1m8m_A_,26,39,1,1
1m8m_A_,38,45,1,1