1              -0.00072498               0.00038105
           2              -0.00030476               0.00060105
           4               0.00011985               0.00100867
           8               0.00168644               0.00171096
          16               0.00281641               0.00226293
          32               0.00082784               0.00235981
          64               0.00321963               0.00296997
         128               0.00396923               0.00371985
         256               0.00922167               0.00441220
         512               0.01688409               0.00590380
        1024               0.03108800               0.00780488
        2048               0.06024965               0.01011635
        4096               0.10812818               0.01400056