cluster     1   number of spheres in cluster    21
    1  -6.98100 144.98399 172.59700   0.700    1                                
    2  -7.60800 144.17200 171.59399   0.700    2                                
    3  -8.91100 144.61099 174.07700   0.700    3                                
    4 -11.02300 140.32899 177.73000   0.700    4                                
    5 -10.03700 141.52499 177.92999   0.700    5                                
    6 -11.24900 142.17700 175.90900   0.700    6                                
    7 -11.07300 142.57600 174.63300   0.700    7                                
    8  -7.63300 145.20500 173.84700   0.700    8                                
    9  -8.88600 143.57800 171.83900   0.700    9                                
   10  -9.57100 143.78900 173.08501   0.700   10                                
   11 -11.41900 141.67500 177.26100   0.700   11                                
   12 -10.61500 141.92500 171.19800   0.700   12                                
   13 -10.97400 143.09500 173.25999   0.700   13                                
   14 -12.18200 144.11000 173.01700   0.700   14                                
   15  -9.51900 142.76100 170.86501   0.700   15                                
   16 -11.12200 141.23801 170.32500   0.700   16                                
   17 -11.13600 141.86900 172.45900   0.700   17                                
   18 -12.23300 145.05600 174.03000   0.700   18                                
   19 -12.03800 144.76500 171.79300   0.700   19                                
   20 -13.37700 143.38901 172.99300   0.700   20                                
   21  -7.06600 145.95700 174.81400   0.700   21