cluster     1   number of spheres in cluster     8
    1  28.35900 -14.45700  18.48200   0.700    1                                
    2  28.58500 -13.10000  18.58600   0.700    2                                
    3  28.27400 -15.06500  17.22200   0.700    3                                
    4  28.74000 -12.37300  17.41200   0.700    4                                
    5  28.42800 -14.32400  16.05000   0.700    5                                
    6  28.82200 -12.10400  14.91100   0.700    6                                
    7  28.66100 -12.95800  16.15000   0.700    7                                
    8  30.18600 -12.17200  14.37900   0.700    8