cluster     1   number of spheres in cluster    20
    1  16.94400  -7.95200  14.26200   0.700    1                                
    2   9.11600 -11.18300  10.81900   0.700    2                                
    3  14.64500  -6.01300   8.92500   0.700    3                                
    4  13.55300  -6.82400   9.22700   0.700    4                                
    5  15.71100  -5.94700   9.83400   0.700    5                                
    6  14.09600  -9.39600  14.58600   0.700    6                                
    7  13.26000 -10.17800  15.24600   0.700    7                                
    8  13.55500  -7.56000  10.42500   0.700    8                                
    9  16.16500  -7.62800  13.02000   0.700    9                                
   10  13.90200  -9.08000  13.28500   0.700   10                                
   11  15.68500  -6.68900  11.01300   0.700   11                                
   12  14.84000  -8.15000  12.56700   0.700   12                                
   13  11.90300 -10.39400  13.28900   0.700   13                                
   14  10.35200 -10.55200  11.39100   0.700   14                                
   15  16.61300  -6.78300  12.06200   0.700   15                                
   16  12.18400 -10.69800  14.66300   0.700   16                                
   17  12.84100  -9.54200  12.62400   0.700   17                                
   18  10.73400 -10.92500  12.61900   0.700   18                                
   19  14.58500  -7.50800  11.29600   0.700   19                                
   20  10.97200  -9.72100  10.71700   0.700   20