cluster     1   number of spheres in cluster    12
    1  50.80200  47.45300  26.74600   0.700    1                                
    2  51.42400  46.53500  27.65700   0.700    2                                
    3  51.63500  48.12600  25.75800   0.700    3                                
    4  52.87400  46.38400  27.58500   0.700    4                                
    5  53.03100  47.97000  25.79600   0.700    5                                
    6  53.69700  47.07300  26.71100   0.700    6                                
    7  53.77500  48.75900  24.81200   0.700    7                                
    8  55.68400  47.71300  25.75600   0.700    8                                
    9  55.08900  46.93700  26.66500   0.700    9                                
   10  55.14800  48.58200  24.83700   0.700   10                                
   11  52.85300  49.52200  24.06800   0.700   11                                
   12  57.31900  47.48300  25.86500   0.700   12