cluster     1   number of spheres in cluster    10
    1 -20.67700 -26.57700  19.28400   0.700    1                                
    2 -20.79300 -26.48800  17.76400   0.700    2                                
    3 -19.30900 -26.16200  19.83600   0.700    3                                
    4 -20.84800 -25.05400  17.25800   0.700    4                                
    5 -19.42600 -25.88300  21.32300   0.700    5                                
    6 -18.29700 -27.22700  19.57700   0.700    6                                
    7 -20.71700 -24.84700  16.03000   0.700    7                                
    8 -18.63700 -26.46900  22.10100   0.700    8                                
    9 -21.03300 -24.12800  18.07800   0.700    9                                
   10 -20.30700 -25.07500  21.68100   0.700   10