cluster     1   number of spheres in cluster    20
    1  51.04400  65.58600  17.22100   0.700    1                                
    2  48.26900  61.85500  20.71200   0.700    2                                
    3  47.91200  60.81400  19.86500   0.700    3                                
    4  48.09900  63.15300  20.24500   0.700    4                                
    5  47.43700  60.97600  18.59900   0.700    5                                
    6  51.66900  64.79000  14.82500   0.700    6                                
    7  51.16400  64.30700  13.60900   0.700    7                                
    8  50.72000  65.07900  15.82500   0.700    8                                
    9  47.63100  63.33700  18.94600   0.700    9                                
   10  47.32600  62.25900  18.16100   0.700   10                                
   11  46.98500  63.93600  16.97900   0.700   11                                
   12  48.96700  64.42000  14.36800   0.700   12                                
   13  46.57100  64.78300  15.82200   0.700   13                                
   14  49.84200  64.12100  13.39500   0.700   14                                
   15  49.41700  64.88100  15.55100   0.700   15                                
   16  47.38700  64.43100  18.16800   0.700   16                                
   17  46.91700  62.60100  16.97100   0.700   17                                
   18  46.87900  65.99900  16.25800   0.700   18                                
   19  45.24900  64.84000  15.90400   0.700   19                                
   20  47.27800  64.27300  14.16700   0.700   20