cluster     1   number of spheres in cluster     9
    1  20.86100 -16.96100  26.69500   0.700    1                                
    2  19.75600 -16.36800  27.32500   0.700    2                                
    3  21.54900 -16.05900  25.59300   0.700    3                                
    4  17.51800 -16.70800  26.14500   0.700    4                                
    5  17.13400 -16.92000  24.68400   0.700    5                                
    6  18.75300 -15.72400  26.30800   0.700    6                                
    7  20.74200 -14.81400  25.23100   0.700    7                                
    8  19.48800 -15.11900  25.00700   0.700    8                                
    9  17.91600 -17.71000  24.01400   0.700    9