cluster     1   number of spheres in cluster     7
    1  26.97900  17.94800  14.22500   0.700    1                                
    2  27.77000  18.73100  16.33200   0.700    2                                
    3  25.45100  18.64900  15.93300   0.700    3                                
    4  26.83800  20.29100  14.78500   0.700    4                                
    5  25.51500  20.81100  14.20400   0.700    5                                
    6  26.74500  18.91500  15.30300   0.700    6                                
    7  24.95300  19.89200  13.26300   0.700    7