cluster     1   number of spheres in cluster     8
    1  -4.08300   5.41500  11.08700   0.700    1                                
    2  -4.54500   3.28800  10.73100   0.700    2                                
    3  -1.97000   5.58300   9.56700   0.700    3                                
    4  -0.64600   5.91900  10.23900   0.700    4                                
    5  -3.14100   4.94600  10.23600   0.700    5                                
    6   0.47200   5.10500   9.73600   0.700    6                                
    7  -3.48000   3.62700  10.04100   0.700    7                                
    8  -4.92600   4.36300  11.38300   0.700    8