cluster     1   number of spheres in cluster    11
    1  13.17400 -11.78300  21.90800   0.700    1                                
    2  13.20900 -10.80900  20.73900   0.700    2                                
    3  12.21800 -11.10000  22.92900   0.700    3                                
    4  14.55100 -10.69800  18.71300   0.700    4                                
    5  14.25400 -11.60700  19.90700   0.700    5                                
    6  10.67400 -11.83300  24.72000   0.700    6                                
    7  15.46100 -11.89100  20.57100   0.700    7                                
    8  10.15700 -12.83400  25.46800   0.700    8                                
    9  10.36700 -10.54800  25.00800   0.700    9                                
   10  11.49800 -12.16000  23.68000   0.700   10                                
   11  15.76100 -11.05200  17.93700   0.700   11