pair,contact1,contact2,flow1,flow2 7ncg_A_,6,39,1,1 7ncg_A_,7,8,1,1 7ncg_A_,17,18,1,1 7ncg_A_,18,28,1,1 7ncg_A_,21,22,1,1 7ncg_A_,26,28,1,1 7ncg_A_,47,51,1,1 7ncg_A_,55,56,1,1