cluster     1   number of spheres in cluster     9
    1  28.49800  13.60300  18.54400   0.700    1                                
    2  28.99300  12.99500  17.45900   0.700    2                                
    3  28.16800  14.86400  18.43100   0.700    3                                
    4  29.28300  13.65000  16.29600   0.700    4                                
    5  28.42600  15.53800  17.25000   0.700    5                                
    6  28.98800  14.96300  16.17000   0.700    6                                
    7  29.29300  15.71000  14.96300   0.700    7                                
    8  29.97800  15.16800  13.95000   0.700    8                                
    9  28.91700  16.97900  14.84200   0.700    9