4  5  7  0
     0.5  150.  1.0  50.  950.
     41910.  14.895  -72.778
     52221.  14.975  -74.022
     56811.  15.243  -74.355
     63331.  15.432  -75.033
      39240.  63321.
     39240.  41900.
     41985.  43901.
     51182.  52052.
     52355.  53319.
     54917.  56303.
     56880.  58696.
     61527.  62980.