cluster     1   number of spheres in cluster    21
    1  15.74000  49.66000 -53.22000   0.700    1                                
    2  15.62000  48.57000 -56.90000   0.700    2                                
    3  16.55000  51.49000 -57.81000   0.700    3                                
    4  15.54000  49.16000 -51.96000   0.700    4                                
    5  14.69000  47.99000 -51.75000   0.700    5                                
    6  14.33000  47.95000 -54.20000   0.700    6                                
    7  16.80000  48.86000 -57.83000   0.700    7                                
    8  15.80000  49.38000 -55.62000   0.700    8                                
    9  17.28000  50.26000 -57.22000   0.700    9                                
   10  14.12000  47.45000 -52.90000   0.700   10                                
   11  15.18000  49.07000 -54.30000   0.700   11                                
   12  17.81000  47.87000 -57.63000   0.700   12                                
   13  14.94000  50.75000 -60.24000   0.700   13                                
   14  15.07000  53.02000 -59.57000   0.700   14                                
   15  14.41000  47.44000 -50.67000   0.700   15                                
   16  13.74000  47.45000 -55.19000   0.700   16                                
   17  16.36000  52.17000 -61.47000   0.700   17                                
   18  16.96000  50.24000 -55.76000   0.700   18                                
   19  16.76000  51.59000 -59.25000   0.700   19                                
   20  16.19000  49.68000 -50.97000   0.700   20                                
   21  15.72000  51.93000 -60.25000   0.700   21