cluster     1   number of spheres in cluster     8
    1  28.33100 -14.44700  18.50000   0.700    1                                
    2  28.56000 -13.10000  18.59600   0.700    2                                
    3  28.24900 -15.06200  17.24300   0.700    3                                
    4  28.72700 -12.39300  17.42200   0.700    4                                
    5  28.42500 -14.33800  16.07100   0.700    5                                
    6  28.82100 -12.09200  14.93900   0.700    6                                
    7  28.65800 -12.97700  16.16300   0.700    7                                
    8  30.16100 -12.15400  14.38600   0.700    8