cluster     1   number of spheres in cluster     8
    1  13.05100   2.32600  20.18700   0.700    1                                
    2  12.56900   3.11100  22.55500   0.700    2                                
    3  12.84000   1.89500  21.64700   0.700    3                                
    4  13.80400   0.17100  22.96000   0.700    4                                
    5  12.54700  -0.04000  23.42600   0.700    5                                
    6  14.07700   1.18600  22.10700   0.700    6                                
    7  14.78500  -0.62600  23.35400   0.700    7                                
    8  16.06500  -0.35500  23.18200   0.700    8