cluster     1   number of spheres in cluster     6
    1   4.05500  64.16600  64.62700   0.700    1                                
    2   5.92700  62.38500  62.08900   0.700    2                                
    3   4.17000  65.10200  63.57100   0.700    3                                
    4   4.17700  64.06900  60.79500   0.700    4                                
    5   5.33200  64.90500  62.71600   0.700    5                                
    6   5.41100  64.03100  61.58900   0.700    6