pair,contact1,contact2,flow1,flow2 1d9n_A_,6,17,1,1 1d9n_A_,8,15,1,1 1d9n_A_,16,36,1,1 1d9n_A_,18,34,1,1 1d9n_A_,20,32,1,1 1d9n_A_,26,29,1,1 1d9n_A_,35,43,1,1 1d9n_A_,37,41,1,1 1d9n_A_,45,48,1,1 1d9n_A_,46,49,1,1 1d9n_A_,46,50,1,1 1d9n_A_,46,59,1,1 1d9n_A_,46,62,1,1 1d9n_A_,47,51,1,1 1d9n_A_,48,52,1,1 1d9n_A_,49,53,1,1 1d9n_A_,50,54,1,1 1d9n_A_,54,57,1,1 1d9n_A_,59,62,1,1 1d9n_A_,63,65,1,1 1d9n_A_,63,66,1,1 1d9n_A_,63,67,1,1 1d9n_A_,63,68,1,1 1d9n_A_,73,75,1,1