cluster     1   number of spheres in cluster    11
    1  -3.64600   2.11000  14.81200   0.700    1                                
    2  -5.79200   3.18800  15.28100   0.700    2                                
    3  -4.06800   0.93600  15.53300   0.700    3                                
    4  -6.22900   2.02500  16.00300   0.700    4                                
    5  -4.51000   3.23400  14.68600   0.700    5                                
    6  -5.39300   0.86500  16.15500   0.700    6                                
    7  -5.65000  -1.71400  16.33100   0.700    7                                
    8  -5.37200  -0.38100  18.31200   0.700    8                                
    9  -7.34000  -0.30300  17.14200   0.700    9                                
   10  -4.10500   4.34900  14.00500   0.700   10                                
   11  -5.94700  -0.40700  16.99400   0.700   11