cluster     1   number of spheres in cluster     9
    1  28.35900  13.39300  18.74400   0.700    1                                
    2  28.09300  14.69700  18.62200   0.700    2                                
    3  28.88000  12.99900  17.62600   0.700    3                                
    4  28.38800  15.41400  17.46600   0.700    4                                
    5  29.14100  13.65000  16.63300   0.700    5                                
    6  28.97000  14.88500  16.36500   0.700    6                                
    7  29.25600  15.60000  15.23700   0.700    7                                
    8  28.89600  16.88400  15.10300   0.700    8                                
    9  29.93900  15.07900  14.21600   0.700    9