cluster     1   number of spheres in cluster    12
    1  10.52600   0.45100  23.90500   0.700    1                                
    2  10.23800  -1.04100  23.73500   0.700    2                                
    3  11.84400   0.83800  23.20800   0.700    3                                
    4   9.26300  -1.63400  24.79000   0.700    4                                
    5   9.10300  -3.15700  24.57700   0.700    5                                
    6  14.26000   0.19100  23.26000   0.700    6                                
    7   9.78200  -1.37400  26.16900   0.700    7                                
    8  14.56100   1.04800  22.29800   0.700    8                                
    9  15.21800  -0.55300  23.77800   0.700    9                                
   10  13.00700   0.06800  23.70700   0.700   10                                
   11   8.60700  -3.56900  23.50500   0.700   11                                
   12   9.47500  -3.93500  25.47500   0.700   12