4  5  8  4
     0.5  150.  1.0  50.  800.
      11850.  11896.
      33871.  33905.
      35388.  35420.
      35740.  35780.
     12856.  23.390  -86.602
     18482.  23.572  -86.988
     24501.  23.683  -87.367
     35358.  24.125  -87.920
      10061.  36021.
     10061.  12825.
     12906.  14785.
     16501.  17290.
     18492.  20683.
     22438.  24496.
     24505.  25814.
     31011.  35343.
     35360.  36021.