cluster     1   number of spheres in cluster    12
    1  10.58100   0.23600  23.79800   0.700    1                                
    2  10.23400  -1.24800  23.68500   0.700    2                                
    3  11.85300   0.54800  22.99200   0.700    3                                
    4   9.31700  -1.79800  24.80100   0.700    4                                
    5   9.13900  -3.31300  24.61800   0.700    5                                
    6  14.30500   0.00400  23.10900   0.700    6                                
    7   9.89700  -1.51500  26.15300   0.700    7                                
    8  14.59100   0.72000  22.02700   0.700    8                                
    9  15.28300  -0.62900  23.73700   0.700    9                                
   10  13.04500  -0.08800  23.57700   0.700   10                                
   11   9.50800  -4.08900  25.53000   0.700   11                                
   12   8.63300  -3.71700  23.54900   0.700   12