4  5  8  3
          0.5  150.  1.0  50.  850.
           83727.   83738.
           90850.   90861.
          104607.  104623.
           84360.  26.920  -86.448
           90811.  27.107  -86.617
           97311.  27.237  -86.820
          104729.  27.468  -87.018
           81799.  106978.
          81799.   84370.
          84413.   86490.
          88907.   90806.
          90821.   92852.
          95230.   97283.
          97321.   99462.
         102635.  104780.
         104800.  106978.