20 
 1 -6.5  6.5  1.008333  334465.2 
 2 -6.5  6.5  1.025  334465.2 
 3 -6.5  6.5  1.041667  334465.2 
 4  0  6.5  1.008333  334465.2 
 5  0  6.5  1.025  334465.2 
 6  0  6.5  1.041667  334465.2 
 7  6.972577  .65  1.0125  867811 
 8  6.972577  .65  1.0375  867811 
 9  8.999309  .7  1.0125  1409453 
 10  8.999309  .7  1.0375  1409453 
 11  10.30069  .7  1.0125 -1409453 
 12  10.30069  .7  1.0375 -1409453 
 13  12.37743  .65  1.0125 -867811 
 14  12.37743  .65  1.0375 -867811 
 15  13.5  6.5  1.008333 -334465.2 
 16  13.5  6.5  1.025 -334465.2 
 17  13.5  6.5  1.041667 -334465.2 
 18  20  6.5  1.008333 -334465.2 
 19  20  6.5  1.025 -334465.2 
 20  20  6.5  1.041667 -334465.2