1              -0.00262393               0.00102890
           2              -0.00245925               0.00183447
           4              -0.00391284               0.00284188
           8              -0.00333755               0.00431927
          16              -0.00010979               0.00589332
          32               0.00132624               0.00596979
          64               0.00271176               0.00746044
         128              -0.00377231               0.00900340
         256              -0.00907946               0.01176103
         512               0.01075482               0.01524329
        1024               0.01787787               0.01970013
        2048               0.09263467               0.02703160