cluster     1   number of spheres in cluster    18
    1  38.04700  23.83600  31.22800   0.700    1                                
    2  32.26100  19.33300  27.75700   0.700    2                                
    3  32.37500  20.82100  27.35300   0.700    3                                
    4  32.59100  20.96400  25.80600   0.700    4                                
    5  32.75100  22.46000  25.44700   0.700    5                                
    6  33.94000  23.03800  26.25300   0.700    6                                
    7  33.66500  22.82900  27.76300   0.700    7                                
    8  34.64900  24.01200  29.68900   0.700    8                                
    9  35.89100  24.49600  30.33900   0.700    9                                
   10  34.80200  23.34800  28.52400   0.700   10                                
   11  33.33400  18.55600  27.17900   0.700   11                                
   12  31.48100  20.40000  25.09300   0.700   12                                
   13  32.97100  22.61100  24.03500   0.700   13                                
   14  34.08000  24.44100  25.93800   0.700   14                                
   15  33.54500  24.20500  30.16600   0.700   15                                
   16  35.78700  25.45100  31.10600   0.700   16                                
   17  33.50000  21.41300  28.06700   0.700   17                                
   18  37.12200  23.96700  30.12300   0.700   18