cluster     1   number of spheres in cluster    18
    1  19.62300  27.25200  23.16500   0.700    1                                
    2  17.12000  27.46100  23.60900   0.700    2                                
    3  14.02600  28.10300  22.49200   0.700    3                                
    4  15.36900  30.82800  24.36100   0.700    4                                
    5  12.97800  26.75300  23.98200   0.700    5                                
    6  16.42900  27.97800  24.67000   0.700    6                                
    7  14.11500  27.65200  23.78600   0.700    7                                
    8  14.60400  30.34000  23.26900   0.700    8                                
    9  14.90800  28.08900  24.90600   0.700    9                                
   10  13.21200  30.78700  23.31700   0.700   10                                
   11  17.27100  28.48500  25.69900   0.700   11                                
   12  18.48900  28.24300  25.19700   0.700   12                                
   13  14.97100  29.42600  22.30000   0.700   13                                
   14  18.49700  27.65400  23.99500   0.700   14                                
   15  12.40900  30.38700  22.42400   0.700   15                                
   16  12.22800  26.59500  23.01200   0.700   16                                
   17  12.85500  31.54900  24.17800   0.700   17                                
   18  14.66000  29.71300  25.71800   0.700   18