Coefficients for bicubic interpolation
    0.000000E+00   0.000000E+00   0.000000E+00   0.000000E+00
    0.000000E+00   0.400000E+01   0.000000E+00   0.000000E+00
    0.000000E+00   0.000000E+00  -0.136556E+02   0.609517E+01
    0.000000E+00   0.000000E+00   0.609517E+01  -0.246149E+01