cluster     1   number of spheres in cluster    20
    1  13.59600  50.23200 -52.10400   0.700    1                                
    2  14.51400  49.84400 -53.11300   0.700    2                                
    3  15.05800  47.52300 -55.95100   0.700    3                                
    4  15.63700  50.41600 -57.33800   0.700    4                                
    5  12.72900  49.22900 -51.61200   0.700    5                                
    6  13.72900  47.56300 -53.12800   0.700    6                                
    7  16.06600  47.93700 -57.04600   0.700    7                                
    8  15.57900  48.20500 -54.69100   0.700    8                                
    9  16.45400  49.32000 -56.59500   0.700    9                                
   10  12.79300  47.90500 -52.13800   0.700   10                                
   11  14.59300  48.54500 -53.63400   0.700   11                                
   12  17.19200  47.06600 -57.15400   0.700   12                                
   13  15.27900  52.78400 -59.65200   0.700   13                                
   14  14.68600  50.35400 -59.74300   0.700   14                                
   15  11.89700  49.47700 -50.72700   0.700   15                                
   16  13.74300  46.41000 -53.55100   0.700   16                                
   17  16.69000  51.41100 -60.89400   0.700   17                                
   18  16.24000  49.34100 -55.18300   0.700   18                                
   19  16.49900  50.83600 -58.40900   0.700   19                                
   20  15.81600  51.40200 -59.75000   0.700   20