pair,contact1,contact2,flow1,flow2 1d0r_A_,1,7,1,1 1d0r_A_,2,3,1,1 1d0r_A_,2,5,1,1 1d0r_A_,4,8,1,1 1d0r_A_,5,7,1,1 1d0r_A_,6,9,1,1 1d0r_A_,7,11,1,1 1d0r_A_,8,12,1,1 1d0r_A_,9,13,1,1 1d0r_A_,10,14,1,1 1d0r_A_,11,15,1,1 1d0r_A_,12,16,1,1 1d0r_A_,13,17,1,1 1d0r_A_,14,18,1,1 1d0r_A_,15,19,1,1 1d0r_A_,16,20,1,1 1d0r_A_,17,20,1,1 1d0r_A_,18,21,1,1 1d0r_A_,19,22,1,1 1d0r_A_,19,23,1,1 1d0r_A_,20,24,1,1 1d0r_A_,21,25,1,1 1d0r_A_,21,28,1,1 1d0r_A_,24,27,1,1 1d0r_A_,24,28,1,1 1d0r_A_,26,30,1,1 1d0r_A_,27,30,1,1