cluster     1   number of spheres in cluster    21
    1  19.13400 -15.23900  22.96800   0.700    1                                
    2  13.49800  -9.66800  21.39300   0.700    2                                
    3  13.48600 -12.06400  21.49600   0.700    3                                
    4  12.51300  -9.61900  22.36000   0.700    4                                
    5  12.50600 -12.02800  22.46100   0.700    5                                
    6  20.21400 -12.61000  19.57000   0.700    6                                
    7  19.44200 -11.35600  20.05200   0.700    7                                
    8  20.28300 -13.45300  20.86900   0.700    8                                
    9  15.02800 -10.96300  19.88600   0.700    9                                
   10  13.98000 -10.88800  20.96500   0.700   10                                
   11  12.01000 -10.79900  22.89900   0.700   11                                
   12  18.50100 -11.89600  21.14700   0.700   12                                
   13  18.35800 -14.06500  22.38300   0.700   13                                
   14  10.95600 -10.78700  23.93800   0.700   14                                
   15  17.09400 -12.03200  20.59000   0.700   15                                
   16  10.56200  -9.51300  24.60900   0.700   16                                
   17  10.31400 -11.85400  24.33200   0.700   17                                
   18  16.32000 -10.92400  20.56100   0.700   18                                
   19  18.99600 -13.21800  21.54000   0.700   19                                
   20  17.42000 -13.65800  23.05900   0.700   20                                
   21  16.87700 -12.94300  19.80500   0.700   21