cluster     1   number of spheres in cluster     8
    1  28.64900  14.13900  18.66700   0.700    1                                
    2  28.81100  13.51700  17.38900   0.700    2                                
    3  28.52000  15.48500  18.60200   0.700    3                                
    4  28.99000  14.30000  16.21300   0.700    4                                
    5  28.67000  16.25600  17.44100   0.700    5                                
    6  28.95300  16.48900  14.95200   0.700    6                                
    7  28.85800  15.67700  16.14700   0.700    7                                
    8  30.24400  16.37200  14.35500   0.700    8