pair,contact1,contact2,flow1,flow2 2c6w_A_,2,3,1,1 2c6w_A_,3,16,1,1 2c6w_A_,5,13,1,1 2c6w_A_,5,14,1,1 2c6w_A_,7,9,1,1 2c6w_A_,7,10,1,1 2c6w_A_,7,11,1,1