4   5   8   1
     0.5  150.  1.0  50.  700.
      97846.  97875.
     87510.  20.555  -81.147
     93561.  20.618  -81.400
     99191.  20.738  -81.717
    104641.  20.852  -82.020
       84691.   105186.
      84691.   87516.
      87525.   89457.
      91942.   93546.
      93567.   95338.
      97501.   99181.
      99195.  100889.
     102897.  104660.
     104670.  105186.