cluster     1   number of spheres in cluster    20
    1  51.17300  65.54800  16.94000   0.700    1                                
    2  48.46600  61.67800  20.81300   0.700    2                                
    3  48.18900  60.54200  20.07300   0.700    3                                
    4  48.25800  62.93300  20.24700   0.700    4                                
    5  47.70800  60.59300  18.76900   0.700    5                                
    6  51.69700  64.66000  14.57900   0.700    6                                
    7  51.19600  64.09400  13.39100   0.700    7                                
    8  50.78700  64.95100  15.61200   0.700    8                                
    9  47.77300  63.01200  18.93200   0.700    9                                
   10  47.50300  61.84400  18.21900   0.700   10                                
   11  47.04800  63.44100  16.95400   0.700   11                                
   12  49.04700  64.15100  14.28400   0.700   12                                
   13  46.56700  64.24100  15.78900   0.700   13                                
   14  49.87600  63.84900  13.25900   0.700   14                                
   15  49.48600  64.67900  15.43700   0.700   15                                
   16  47.46200  64.03900  18.09200   0.700   16                                
   17  47.05200  62.08300  17.00700   0.700   17                                
   18  46.64900  65.49100  16.18500   0.700   18                                
   19  45.26000  64.04200  15.70200   0.700   19                                
   20  47.40300  63.87200  14.22000   0.700   20