4  5  8  5
     0.5  150.  1.0  50.  850.
      42163.  42187.
      42672.  42697.
      43259.  43269.
      49159.  49171.
      49458.  49475.
     42510.  18.720  -77.308
     49301.  18.653  -77.500
     54230.  18.620  -77.632
     61580.  18.632  -77.565
      39840.  63821.
     39840.  42200.
     42596.  44117.
     47307.  49300.
     49418.  50390.
     53028.  54260.
     54305.  55523.
     59312.  61350.
     61953.  63821.