1              -0.00093448               0.00068110
           2              -0.00212439               0.00105272
           4              -0.00213055               0.00172719
           8              -0.00148672               0.00304658
          16               0.00356002               0.00437857
          32              -0.00106043               0.00445996
          64               0.00090630               0.00552558
         128               0.01386487               0.00731887
         256               0.02582642               0.00866241
         512               0.04348646               0.01377525
        1024               0.07450323               0.01598247
        2048               0.13425907               0.02088919
        4096               0.28816508               0.02798560