cluster     1   number of spheres in cluster    19
    1  -2.61800   5.79700  28.13700   0.700    1                                
    2  -1.53200   4.26700  26.48500   0.700    2                                
    3   4.71200   7.96900  30.62200   0.700    3                                
    4   3.19100   8.46400  28.83300   0.700    4                                
    5   5.48400   9.09400  30.31400   0.700    5                                
    6   3.97800   9.58900  28.51700   0.700    6                                
    7   0.32100   4.10300  29.41000   0.700    7                                
    8   3.54200   7.63900  29.90300   0.700    8                                
    9   5.13100   9.90700  29.23700   0.700    9                                
   10  -0.30500   5.02800  28.66100   0.700   10                                
   11   1.61500   5.88500  29.81500   0.700   11                                
   12  -1.61100   4.67000  27.94700   0.700   12                                
   13   5.22100  12.18400  27.92700   0.700   13                                
   14   1.37300   4.47500  30.01800   0.700   14                                
   15   2.84500   6.52900  30.33000   0.700   15                                
   16   6.51000  11.90800  30.16200   0.700   16                                
   17   7.30700  10.63400  28.14200   0.700   17                                
   18   0.39700   6.56000  28.68700   0.700   18                                
   19   6.03600  11.20200  28.85700   0.700   19