cluster     1   number of spheres in cluster     6
    1  27.92800  -7.51100  96.96900   0.700    1                                
    2  27.25100  -8.59200  96.06900   0.700    2                                
    3  28.36800  -6.29300  96.10200   0.700    3                                
    4  26.00800  -7.98600  95.35000   0.700    4                                
    5  27.12000  -5.66900  95.41400   0.700    5                                
    6  26.43300  -6.74100  94.51000   0.700    6