cluster     1   number of spheres in cluster     9
    1  -1.31600  15.85800  18.41900   0.700    1                                
    2  -1.85800  16.53800  17.28400   0.700    2                                
    3  -1.04700  14.45800  18.36800   0.700    3                                
    4  -2.14200  15.80900  16.08100   0.700    4                                
    5  -1.34100  13.74700  17.14800   0.700    5                                
    6  -1.89000  14.42100  16.00400   0.700    6                                
    7  -2.18100  13.65000  14.79000   0.700    7                                
    8  -1.76000  12.38200  14.68700   0.700    8                                
    9  -2.90700  14.22800  13.83300   0.700    9