1    6207.168  -21457.106
       2    6125.929  -21466.424
     500    6144.000  -21450.900
     501    6207.168  -21457.106
     502    6207.319  -21507.467
     503    6131.862  -21507.456
     504    6131.864  -21461.897
     505    6207.634  -21612.069
     506    6144.051  -21612.072
     507    6131.859  -21599.881
     508    6131.859  -21507.450
    1000    6207.168  -21457.105
    1001    6131.821  -21507.484