cluster     1   number of spheres in cluster    13
    1  10.73300  28.80300  21.81300   0.700    1                                
    2   8.29100  27.23600  20.06700   0.700    2                                
    3   9.57800  27.94700  22.22300   0.700    3                                
    4   8.60100  27.29200  21.54600   0.700    4                                
    5   7.89700  26.67200  22.62300   0.700    5                                
    6   8.89400  26.02000  19.33100   0.700    6                                
    7   8.40500  25.97500  17.84300   0.700    7                                
    8  10.39100  26.06500  19.42300   0.700    8                                
    9   8.32900  26.86900  23.84300   0.700    9                                
   10   9.29100  25.92100  16.95000   0.700   10                                
   11   6.81100  25.96300  22.31500   0.700   11                                
   12   7.16500  25.95500  17.64400   0.700   12                                
   13   9.46300  27.72800  23.58500   0.700   13