cluster     1   number of spheres in cluster    11
    1   3.31700  -5.05700  14.79700   0.700    1                                
    2   4.09800  -6.14200  14.44000   0.700    2                                
    3   3.87500  -3.98200  15.50500   0.700    3                                
    4   6.01300  -5.06200  15.47800   0.700    4                                
    5   5.44900  -6.13900  14.77400   0.700    5                                
    6   5.24400  -3.94900  15.86500   0.700    6                                
    7   5.38500  -1.30900  16.09600   0.700    7                                
    8   5.38900  -2.84200  18.04000   0.700    8                                
    9   7.34900  -2.80700  16.58500   0.700    9                                
   10   6.23800  -7.19500  14.43200   0.700   10                                
   11   5.91500  -2.68800  16.72000   0.700   11