cluster     1   number of spheres in cluster    28
    1 -21.35200   1.24800  14.23900   0.700    1                                
    2 -22.70000   2.05400  16.05000   0.700    2                                
    3 -20.31900   1.06300  15.15100   0.700    3                                
    4 -21.65400   1.86300  16.95400   0.700    4                                
    5 -29.79200  -2.99400  20.31800   0.700    5                                
    6 -28.48400  -2.26600  20.36400   0.700    6                                
    7 -30.43700  -2.93000  18.99200   0.700    7                                
    8 -29.22500   0.82600  13.43100   0.700    8                                
    9 -28.68900  -0.83000  20.02700   0.700    9                                
   10 -30.59000  -1.44700  18.76400   0.700   10                                
   11 -27.81600   0.28100  13.25400   0.700   11                                
   12 -29.56400   0.84200  14.92100   0.700   12                                
   13 -23.68400   1.94400  13.66300   0.700   13                                
   14 -28.77900   1.67500  17.87300   0.700   14                                
   15 -22.57500   1.75400  14.68500   0.700   15                                
   16 -20.46900   1.36800  16.49700   0.700   16                                
   17 -29.32300  -0.60900  18.72100   0.700   17                                
   18 -27.19500   0.50700  14.63600   0.700   18                                
   19 -27.82100   1.21000  16.76500   0.700   19                                
   20 -19.32800   1.15300  17.44400   0.700   20                                
   21 -26.08000   1.50800  14.33200   0.700   21                                
   22 -19.13200   1.93600  18.49100   0.700   22                                
   23 -18.50400   0.15000  17.21400   0.700   23                                
   24 -24.84700   1.08600  13.94900   0.700   24                                
   25 -28.22100   0.94500  15.57800   0.700   25                                
   26 -26.66300   1.15200  17.14600   0.700   26                                
   27 -26.22900   2.72700  14.42500   0.700   27                                
   28 -29.54700   0.75600  18.60000   0.700   28