pair,contact1,contact2,flow1,flow2 8ibb_D_,7,10,1,1 8ibb_D_,7,11,1,1 8ibb_D_,8,12,1,1 8ibb_D_,11,14,1,1 8ibb_D_,12,15,1,1 8ibb_D_,22,23,1,1 8ibb_D_,22,26,1,1 8ibb_D_,24,27,1,1 8ibb_D_,25,28,1,1 8ibb_D_,32,35,1,1