cluster     1   number of spheres in cluster     8
    1  30.15000  18.99500  12.70200   0.700    1                                
    2  28.68200  16.98600  10.36400   0.700    2                                
    3  30.23100  15.15000  10.95600   0.700    3                                
    4  29.01400  18.48400  13.58400   0.700    4                                
    5  29.22300  16.11000  11.38900   0.700    5                                
    6  29.67100  15.83300  13.78200   0.700    6                                
    7  28.14000  17.49200  12.99100   0.700    7                                
    8  28.71600  16.19300  12.77100   0.700    8