cluster     1   number of spheres in cluster     9
    1  10.18600  -0.31100  21.27700   0.700    1                                
    2  10.28600  -0.55000  22.81200   0.700    2                                
    3  10.67900   0.71000  23.60600   0.700    3                                
    4  12.02900   1.32900  23.16900   0.700    4                                
    5  14.37600   0.37200  22.87900   0.700    5                                
    6  15.23200  -0.59100  23.27900   0.700    6                                
    7  13.16300   0.39800  23.43200   0.700    7                                
    8  14.74000   1.27900  21.93100   0.700    8                                
    9  15.78500   1.16200  21.12800   0.700    9