500    3598.831   -5945.877
     501    3599.209   -5954.117
     502    3634.215   -5991.870
     504    3638.655   -5991.660
     505    3749.662   -5845.909
     506    3748.973   -5840.748
     507    3708.770   -5810.116
     508    3701.473   -5811.106