5 5
-3.0 -1.5  0.0  1.5  3.0
-3.0 -1.5  0.0  1.5  3.0
    0.0000   -0.0320   -0.2999   -0.0312    0.0000
   -0.0005    0.0000   -7.9966   -0.4784    0.0031
   -0.0365   -2.7736    0.0000    2.7736    0.0365
   -0.0031    0.4784    7.9966    0.0000    0.0005
    0.0000    0.0312    0.2999    0.0320    0.0000