cluster     1   number of spheres in cluster     9
    1  28.37300  13.40100  18.76300   0.700    1                                
    2  28.11700  14.69500  18.62500   0.700    2                                
    3  28.87900  12.99700  17.63200   0.700    3                                
    4  28.40600  15.38300  17.46300   0.700    4                                
    5  29.15200  13.62100  16.61500   0.700    5                                
    6  29.00100  14.86500  16.36600   0.700    6                                
    7  29.26800  15.59000  15.24700   0.700    7                                
    8  28.91800  16.87200  15.10100   0.700    8                                
    9  29.93900  15.08300  14.22200   0.700    9