1              -0.00086823               0.00041934
           2              -0.00116304               0.00079610
           4              -0.00220566               0.00145915
           8              -0.00432376               0.00228869
          16              -0.01273433               0.00827935
          32              -0.02216568               0.02025746
          64              -0.05269568               0.04288633
         128              -0.10931156               0.08441014
         256              -0.22169604               0.16626916
         512              -0.45841444               0.33394246
        1024              -0.91642286               0.66267593
        2048              -1.81931634               1.32507719
        4096              -3.61720330               2.64590412