cluster     1   number of spheres in cluster    21
    1  13.40600  13.62700  36.82700   0.700    1                                
    2  13.97400  15.22600  34.85700   0.700    2                                
    3  15.68000  13.84000  35.77600   0.700    3                                
    4  14.86600  15.77100  33.94600   0.700    4                                
    5  16.58900  14.38900  34.85700   0.700    5                                
    6  16.55400  12.87600  31.20000   0.700    6                                
    7  15.86400  13.69100  30.11100   0.700    7                                
    8  17.83700  13.65500  31.44200   0.700    8                                
    9  15.18800  18.11000  28.30600   0.700    9                                
   10  14.25900  17.90600  27.10600   0.700   10                                
   11  14.34500  14.25300  35.79800   0.700   11                                
   12  16.19100  15.37000  33.93200   0.700   12                                
   13  16.15600  15.15000  30.50700   0.700   13                                
   14  16.25900  16.25700  29.44200   0.700   14                                
   15  15.12800  16.94400  29.21300   0.700   15                                
   16  17.43100  15.06000  31.27000   0.700   16                                
   17  17.30000  16.55500  28.85100   0.700   17                                
   18  18.86900  15.75900  33.31100   0.700   18                                
   19  17.24200  17.49500  32.35600   0.700   19                                
   20  14.66700  16.40400  26.14400   0.700   20                                
   21  17.37000  15.98300  32.78500   0.700   21