cluster     1   number of spheres in cluster    12
    1  11.21600  24.64300   7.11800   0.700    1                                
    2  11.55300  25.83500   4.83200   0.700    2                                
    3  11.47100  25.70300   6.33300   0.700    3                                
    4  11.67300  26.79600   7.27700   0.700    4                                
    5  10.23100  26.25200   4.12600   0.700    5                                
    6  10.56200  26.52300   2.61100   0.700    6                                
    7   9.17600  25.19700   4.32500   0.700    7                                
    8  11.47600  26.37500   8.52700   0.700    8                                
    9   9.88500  25.86300   1.76300   0.700    9                                
   10  11.99400  27.98600   7.02500   0.700   10                                
   11  11.45000  27.37900   2.32000   0.700   11                                
   12  11.19800  24.97500   8.43100   0.700   12