cluster     1   number of spheres in cluster    20
    1  48.58500  23.96700   3.03900   0.700    1                                
    2  46.08500  28.47900   2.52600   0.700    2                                
    3  44.31100  28.18300   4.14400   0.700    3                                
    4  45.11400  28.81500   1.53700   0.700    4                                
    5  43.36800  28.51700   3.17500   0.700    5                                
    6  40.29000  31.90100   1.76200   0.700    6                                
    7  40.88400  31.58600   0.41100   0.700    7                                
    8  42.49100  31.62600   2.09500   0.700    8                                
    9  47.91400  27.77400   4.76000   0.700    9                                
   10  48.41200  25.30100   3.69000   0.700   10                                
   11  48.26900  26.36400   4.19200   0.700   11                                
   12  45.66600  28.16200   3.83900   0.700   12                                
   13  43.75300  28.83300   1.88400   0.700   13                                
   14  41.20000  31.43200   2.88800   0.700   14                                
   15  42.22400  31.01600   0.75500   0.700   15                                
   16  42.99500  28.76700  -0.49400   0.700   16                                
   17  41.15300  28.78700   1.19900   0.700   17                                
   18  46.47200  27.81700   4.92300   0.700   18                                
   19  41.15800  31.97600   4.58600   0.700   19                                
   20  42.46500  29.26500   0.76100   0.700   20