cluster     1   number of spheres in cluster    18
    1   5.58900  76.82500  28.68600   0.700    1                                
    2   3.22600  77.26400  29.19000   0.700    2                                
    3   7.51900  74.04400  28.40700   0.700    3                                
    4   4.49800  77.72500  28.86000   0.700    4                                
    5   5.28200  75.44900  28.83600   0.700    5                                
    6   2.97800  75.90500  29.32000   0.700    6                                
    7   6.04500  74.16000  28.73800   0.700    7                                
    8   4.01700  75.00900  29.13500   0.700    8                                
    9   5.15900  73.14600  28.99100   0.700    9                                
   10   7.77700  74.65800  27.05800   0.700   10                                
   11   5.41000  71.81500  29.01400   0.700   11                                
   12   3.95900  73.67000  29.21600   0.700   12                                
   13   9.02000  75.12100  26.86300   0.700   13                                
   14   4.39300  70.94800  29.12100   0.700   14                                
   15   6.90500  74.72100  26.20000   0.700   15                                
   16   6.55200  71.38700  28.93000   0.700   16                                
   17   4.60900  79.46100  28.69700   0.700   17                                
   18   1.39700  75.39800  29.71800   0.700   18