cluster     1   number of spheres in cluster    21
    1  -9.16000  13.41500  41.23900   0.700    1                                
    2 -11.43600  14.22500  41.93400   0.700    2                                
    3 -15.00500  16.86900  43.12700   0.700    3                                
    4 -14.89600  16.46100  41.77900   0.700    4                                
    5 -15.69600  16.06300  44.07400   0.700    5                                
    6 -15.48700  15.24600  41.36800   0.700    6                                
    7 -16.28000  14.85900  43.67200   0.700    7                                
    8 -13.70000  12.32100  41.09600   0.700    8                                
    9 -14.59200  11.12300  39.45200   0.700    9                                
   10 -18.13100  12.78500  42.26100   0.700   10                                
   11 -16.18300  14.42800  42.31100   0.700   11                                
   12 -14.91100  11.82300  40.59400   0.700   12                                
   13 -12.66400  11.93300  40.26900   0.700   13                                
   14 -16.83700  13.12400  41.93300   0.700   14                                
   15 -16.29300  12.00500  41.19400   0.700   15                                
   16 -11.17600  12.22400  40.41200   0.700   16                                
   17 -13.24400  11.18800  39.25900   0.700   17                                
   18 -17.25100  11.09000  41.12700   0.700   18                                
   19 -18.38400  11.56400  41.78000   0.700   19                                
   20 -10.62600  13.26300  41.17700   0.700   20                                
   21 -10.40800  11.48500  39.81000   0.700   21