cluster     1   number of spheres in cluster     9
    1  28.37400  13.38700  18.75400   0.700    1                                
    2  28.09300  14.68300  18.62600   0.700    2                                
    3  28.88700  12.99700  17.63100   0.700    3                                
    4  28.39200  15.38000  17.46400   0.700    4                                
    5  29.16400  13.62200  16.60900   0.700    5                                
    6  28.98800  14.86000  16.35700   0.700    6                                
    7  29.27100  15.58500  15.22500   0.700    7                                
    8  29.96300  15.06200  14.21100   0.700    8                                
    9  28.91400  16.86000  15.10300   0.700    9