cluster     1   number of spheres in cluster    21
    1  34.06500  51.75100 -76.94000   0.700    1                                
    2  35.18400  52.61000 -76.96000   0.700    2                                
    3  34.14700  50.46700 -77.51700   0.700    3                                
    4  36.38700  52.18700 -77.55700   0.700    4                                
    5  35.34700  50.03800 -78.11700   0.700    5                                
    6  43.50000  54.93300 -81.57600   0.700    6                                
    7  44.19200  53.63800 -82.06400   0.700    7                                
    8  41.96300  54.94200 -81.78600   0.700    8                                
    9  43.46000  52.34800 -81.63200   0.700    9                                
   10  41.27500  53.64800 -81.29300   0.700   10                                
   11  39.21600  50.12800 -81.12300   0.700   11                                
   12  41.26000  50.93500 -79.81500   0.700   12                                
   13  36.47500  50.89100 -78.14100   0.700   13                                
   14  41.93900  52.39300 -81.90000   0.700   14                                
   15  39.78300  50.26000 -79.77400   0.700   15                                
   16  40.22200  50.69500 -82.09600   0.700   16                                
   17  38.77900  51.11700 -79.01100   0.700   17                                
   18  37.62900  50.41000 -78.76800   0.700   18                                
   19  41.32200  51.11500 -81.45700   0.700   19                                
   20  40.03400  50.73800 -83.29500   0.700   20                                
   21  39.01000  52.29300 -78.72400   0.700   21