1              -0.00246654               0.00134364
           2              -0.00265726               0.00202153
           4               0.00280029               0.00333265
           8               0.00665586               0.00583333
          16               0.02260895               0.00829219
          32               0.02103239               0.00808842
          64               0.03409618               0.01086228
         128               0.05836113               0.01436813
         256               0.08982547               0.01857021
         512               0.15229959               0.02408615
        1024               0.23693789               0.03364642
        2048               0.43428378               0.05362662
        4096               0.81687466               0.06197773