1  -15597.116   -9745.409
       2  -15609.517   -9815.173
     302  -15609.814   -9816.318
     303  -15387.694   -9765.936
     506  -15620.719   -9808.592
     507  -15681.803   -9808.587
     508  -15681.797   -9747.393
     509  -15616.141   -9747.399
     510  -15616.146   -9804.021
    1001  -15620.722   -9808.595
    1002  -15616.146   -9804.021