cluster     1   number of spheres in cluster     9
    1  27.98900  42.23400  18.24000   0.700    1                                
    2  28.03800  43.60800  18.34400   0.700    2                                
    3  28.25800  41.64200  17.02100   0.700    3                                
    4  28.40500  44.36500  17.24300   0.700    4                                
    5  28.61900  42.41700  15.91700   0.700    5                                
    6  28.68200  43.78800  16.01300   0.700    6                                
    7  29.03500  44.56100  14.90100   0.700    7                                
    8  28.72900  45.85700  14.86500   0.700    8                                
    9  29.67200  44.05500  13.85300   0.700    9