cluster     1   number of spheres in cluster    15
    1  22.17300 -15.69000  25.08800   0.700    1                                
    2  20.84600 -13.93000  26.15000   0.700    2                                
    3  20.63000 -14.02100  19.97700   0.700    3                                
    4  19.78100 -15.08700  20.70200   0.700    4                                
    5  20.75700 -14.22100  18.44400   0.700    5                                
    6  20.41100 -15.95600  21.79400   0.700    6                                
    7  19.79800 -15.63900  24.72700   0.700    7                                
    8  18.32200 -17.20200  22.55300   0.700    8                                
    9  21.00500 -13.07200  17.50100   0.700    9                                
   10  20.03800 -16.73900  24.05500   0.700   10                                
   11  20.85600 -15.13000  25.33200   0.700   11                                
   12  19.55100 -16.68300  22.73400   0.700   12                                
   13  17.80700 -17.09900  21.31400   0.700   13                                
   14  18.71800 -15.09900  24.75800   0.700   14                                
   15  17.85400 -17.81600  23.53600   0.700   15