cluster     1   number of spheres in cluster    18
    1  32.19500  19.42200  27.94300   0.700    1                                
    2  32.39300  20.81200  27.47500   0.700    2                                
    3  32.49700  20.96700  25.94100   0.700    3                                
    4  32.63300  22.47500  25.59600   0.700    4                                
    5  33.91200  23.06300  26.23900   0.700    5                                
    6  33.11400  23.65800  28.66600   0.700    6                                
    7  35.16500  23.94100  29.18000   0.700    7                                
    8  33.93800  22.73200  27.75500   0.700    8                                
    9  33.54800  25.30100  30.43200   0.700    9                                
   10  35.27000  23.03600  28.20600   0.700   10                                
   11  33.92000  24.34600  29.47600   0.700   11                                
   12  33.22700  18.60600  27.38500   0.700   12                                
   13  31.33100  20.53100  25.31200   0.700   13                                
   14  32.77200  22.64300  24.19700   0.700   14                                
   15  33.96700  24.45100  26.00800   0.700   15                                
   16  31.86100  23.75600  28.65700   0.700   16                                
   17  36.13600  24.39900  29.77600   0.700   17                                
   18  33.61100  21.31000  28.05300   0.700   18