cluster     1   number of spheres in cluster    12
    1  22.64500   1.37800  22.68400   0.700    1                                
    2  23.57800   1.77600  21.88100   0.700    2                                
    3  24.78100   1.16200  21.93500   0.700    3                                
    4  23.35400   2.84400  20.90800   0.700    4                                
    5  22.15600   3.51600  20.81300   0.700    5                                
    6  22.03800   4.40700  19.96900   0.700    6                                
    7  21.02000   3.07500  21.73900   0.700    7                                
    8  19.74400   3.69100  21.76100   0.700    8                                
    9  18.76100   3.22400  22.66100   0.700    9                                
   10  19.06400   2.15900  23.55800   0.700   10                                
   11  20.33600   1.54400  23.56400   0.700   11                                
   12  21.33300   2.00500  22.69000   0.700   12