cluster     1   number of spheres in cluster    13
    1  12.62400 -11.88400  21.51900   0.700    1                                
    2  13.18400 -10.82600  20.55100   0.700    2                                
    3  11.96800 -11.22100  22.66500   0.700    3                                
    4  15.47600 -11.42800  17.41400   0.700    4                                
    5  14.28800 -11.53400  19.71300   0.700    5                                
    6  14.32400 -10.96800  18.29400   0.700    6                                
    7  10.45600 -11.95100  24.51600   0.700    7                                
    8  15.59300 -11.67800  20.38500   0.700    8                                
    9   9.82800 -12.98100  25.17600   0.700    9                                
   10  10.09100 -10.69400  24.84300   0.700   10                                
   11  11.34900 -12.15200  23.58700   0.700   11                                
   12  16.66300 -11.04200  17.41400   0.700   12                                
   13  13.35200 -10.31700  17.88000   0.700   13