cluster     1   number of spheres in cluster    12
    1   6.40900  69.01000  64.25900   0.700    1                                
    2   4.77100  68.64500  61.75800   0.700    2                                
    3   2.61000  68.79500  63.01700   0.700    3                                
    4   3.19500  64.83900  64.45400   0.700    4                                
    5   3.17200  66.22000  64.23300   0.700    5                                
    6   4.16300  64.07500  63.81300   0.700    6                                
    7   5.03600  66.07900  62.76400   0.700    7                                
    8   4.84900  69.08000  64.23300   0.700    8                                
    9   4.07700  66.86700  63.41400   0.700    9                                
   10   5.06500  64.70100  62.95400   0.700   10                                
   11   4.09300  68.32800  63.12200   0.700   11                                
   12   6.02800  63.93700  62.37400   0.700   12