1              -0.00496537               0.00269192
           2              -0.00497697               0.00501053
           4               0.00347093               0.00871384
           8               0.03349212               0.01230987
          16               0.02047011               0.01565759
          32               0.01959582               0.01604994
          64               0.02304553               0.01842441
         128              -0.02433999               0.03193465
         256              -0.13483793               0.05900247
         512              -0.26289033               0.17417011
        1024              -0.70766210               0.44364130
        2048              -1.62489229               1.01080402
        4096              -3.60025503               2.22657166