cluster     1   number of spheres in cluster     9
    1  29.14100   8.06800  11.20800   0.700    1                                
    2  29.81500   6.95300  11.69700   0.700    2                                
    3  28.46000   8.90800  12.08400   0.700    3                                
    4  29.83600   6.67500  13.05700   0.700    4                                
    5  28.47400   8.64500  13.47200   0.700    5                                
    6  29.15900   7.49400  13.99100   0.700    6                                
    7  29.16100   7.19300  15.38700   0.700    7                                
    8  28.50700   8.00800  16.22400   0.700    8                                
    9  29.79600   6.12300  15.85600   0.700    9