1              -0.00306421               0.00285529
           2              -0.00267303               0.00482180
           4              -0.00274415               0.00787571
           8              -0.00093645               0.01194630
          16               0.00779980               0.01161173
          32               0.02242738               0.01411850
          64               0.03328546               0.01404531
         128               0.03112807               0.01813151
         256               0.04264996               0.02260965
         512               0.06024689               0.02665534
        1024               0.15105880               0.03558839
        2048               0.27135714               0.04645700