1              -0.00189301               0.00189124
           2              -0.00004562               0.00318371
           4               0.00594700               0.00620996
           8               0.02119652               0.01254056
          16               0.04256128               0.02105653
          32               0.08721800               0.05546800
          64               0.07403820               0.09028889
         128               0.04738787               0.13940477
         256               0.06462163               0.29508947
         512              -0.11111432               0.48924478
        1024              -0.32615571               0.96229055
        2048              -0.87780276               1.95327769
        4096              -2.28502182               3.71573112