cluster     1   number of spheres in cluster     8
    1  23.03800   1.48500  35.98000   0.700    1                                
    2  24.89000   2.12800  34.45000   0.700    2                                
    3  24.32200   2.31200  35.85700   0.700    3                                
    4  22.95300   0.73200  37.29400   0.700    4                                
    5  24.05100   3.70300  36.20800   0.700    5                                
    6  25.01300   0.74000  34.12700   0.700    6                                
    7  24.00900   0.49900  37.92200   0.700    7                                
    8  21.82900   0.36800  37.69700   0.700    8