cluster     1   number of spheres in cluster    15
    1  76.69200  30.15000  40.42200   0.700    1                                
    2  77.49700  27.32600  41.97700   0.700    2                                
    3  76.95000  28.78500  39.91600   0.700    3                                
    4  77.28500  27.58600  40.51300   0.700    4                                
    5  77.36900  26.66600  39.39200   0.700    5                                
    6  76.27000  26.76700  42.70300   0.700    6                                
    7  77.70000  25.18900  39.45300   0.700    7                                
    8  76.58000  26.47100  44.19900   0.700    8                                
    9  75.11000  27.71400  42.57600   0.700    9                                
   10  77.10100  27.30700  38.23900   0.700   10                                
   11  77.92400  24.67600  40.61700   0.700   11                                
   12  75.80200  27.06500  44.99800   0.700   12                                
   13  77.72700  24.53500  38.37300   0.700   13                                
   14  77.53000  25.69300  44.42600   0.700   14                                
   15  76.84300  28.62000  38.57500   0.700   15