4  5  8  0
          0.5  150.  1.0  50.  900.
          23050.  18.808  -83.743
          28743.  19.062  -83.602
          34417.  19.293  -83.557
          40297.  19.512  -83.450
           20851.  40620.
          20851.  22925.
          23073.  24910.
          27157.  28738.
          28825.  30423.
          32719.  34385.
          34405.  36165.
          38517.  40287.
          40307.  40620.