# mttmin  mttmax  applgrid                                                                 nbins
   340.0   400.0  datafiles/lhc/cms/topProduction/1703.01630/grids/ttbar_mtt1_detatt.root      3
   400.0   500.0  datafiles/lhc/cms/topProduction/1703.01630/grids/ttbar_mtt2_detatt.root      3
   500.0   650.0  datafiles/lhc/cms/topProduction/1703.01630/grids/ttbar_mtt3_detatt.root      3
   650.0  1500.0  datafiles/lhc/cms/topProduction/1703.01630/grids/ttbar_mtt4_detatt.root      3