cluster     1   number of spheres in cluster     6
    1  60.05000  -1.19600   0.21200   0.700    1                                
    2  59.83700  -5.69200  -1.80500   0.700    2                                
    3  59.96000  -3.94900   0.16300   0.700    3                                
    4  60.14900  -6.48800   0.72900   0.700    4                                
    5  60.50400  -2.60400  -0.89800   0.700    5                                
    6  60.67100  -5.46200  -0.24100   0.700    6