4  5  8  2
          0.5  150.  1.0  50.  600.
           72974.  73003.
           73250.  73279.
          74430.  27.908  -77.608
          80070.  28.023  -77.650
          85451.  28.212  -77.793
          91193.  28.355  -77.745
           72704.  93111.
          72704.  74420.
          74478.  76543.
          77961.  80060.
          80105.  82104.
          83529.  85441.
          85475.  87553.
          89140.  91183.
          91203.  93111.