cluster     1   number of spheres in cluster    13
    1   9.72900   4.70900  23.81900   0.700    1                                
    2   9.69900   3.40800  23.34000   0.700    2                                
    3   9.27600   4.98900  25.10200   0.700    3                                
    4   8.32300   1.56000  26.12700   0.700    4                                
    5   9.22300   2.41300  24.16400   0.700    5                                
    6   8.79300   3.97700  25.92300   0.700    6                                
    7   8.76400   2.66500  25.44700   0.700    7                                
    8   8.37300   0.34700  25.47500   0.700    8                                
    9   8.00500  -0.93300  25.87600   0.700    9                                
   10   7.28900  -1.10500  26.95600   0.700   10                                
   11   8.42000  -1.91200  25.12600   0.700   11                                
   12   9.06500   0.67800  23.83600   0.700   12                                
   13   8.16000   4.53400  27.85700   0.700   13