1              -0.00338786               0.00100334
           2              -0.00715536               0.00181300
           4              -0.01071805               0.00311137
           8              -0.01241537               0.00499672
          16              -0.02003635               0.00635052
          32              -0.04638089               0.00860073
          64              -0.09714548               0.03985064
         128              -0.20176704               0.08468725
         256              -0.41272291               0.18952491
         512              -0.82118539               0.38859700
        1024              -1.66101807               0.76378434
        2048              -3.30563115               1.53059112
        4096              -6.65347709               3.09332409