1              -0.00198615               0.00063160
           2              -0.00408726               0.00098814
           4              -0.00664046               0.00142063
           8              -0.01434259               0.00265124
          16              -0.02303100               0.00360058
          32              -0.04293409               0.00616493
          64              -0.07723572               0.02770394
         128              -0.15302246               0.05860516
         256              -0.29911853               0.13183448
         512              -0.62419592               0.26663660
        1024              -1.22859678               0.55975249
        2048              -2.44575381               1.14428329
        4096              -4.96172168               2.30036304