-166       0    0    0    0    0    0    0    0    0    0    0

   -133       0    0    0    0    0    0    0    0    0    0    0

   -100       0    0    0    0    0    0    0    0    0    0    0

    -66       0    0    0    0    0    0    0    0    0    0    0

    -33       0    0    0    0    0    0    0    0    0    0    0

      0       0    0    0    0    0    0    0    0    0    0    0

     33       3    1    2   12    0    0    0    0    0    0    0

     66       8    3    8    6    2    0    0    0    0    0    0

    100       0    5    2    4    2    2    0    0    0    0    0

    133      17    5    2    0    0    1    0    0    0    0    0

    166       0    3    0    4    3    3    0    0    0    0    0

    Vy^
       Vx> -166 -133 -100  -66  -33    0   33   66  100  133  166