cluster     1   number of spheres in cluster     9
    1  28.37100  13.38300  18.72800   0.700    1                                
    2  28.12100  14.67500  18.60800   0.700    2                                
    3  28.88300  12.96300  17.61000   0.700    3                                
    4  28.42100  15.37700  17.45100   0.700    4                                
    5  29.14500  13.60900  16.59500   0.700    5                                
    6  28.98600  14.85600  16.34200   0.700    6                                
    7  29.28900  15.58300  15.21300   0.700    7                                
    8  29.98600  15.05700  14.21200   0.700    8                                
    9  28.90800  16.84900  15.08600   0.700    9