cluster     1   number of spheres in cluster    13
    1  16.13700  24.16200  63.07200   0.700    1                                
    2  16.50200  26.55000  61.87800   0.700    2                                
    3  16.18500  23.16000  61.83100   0.700    3                                
    4  17.16500  26.00200  60.57300   0.700    4                                
    5  16.59900  26.41100  64.33700   0.700    5                                
    6  16.92900  25.63500  63.06400   0.700    6                                
    7  18.37900  25.44100  63.05300   0.700    7                                
    8  16.24900  21.89100  62.13000   0.700    8                                
    9  18.41400  25.75900  60.47100   0.700    9                                
   10  16.98400  26.01700  65.41600   0.700   10                                
   11  16.03700  23.42100  60.64800   0.700   11                                
   12  16.39400  25.95800  59.61800   0.700   12                                
   13  15.91300  27.39900  64.35400   0.700   13