cluster     1   number of spheres in cluster    20
    1  37.77300  29.80000  -1.05600   0.700    1                                
    2  36.31800  32.20200  -2.98900   0.700    2                                
    3  33.86200  31.70600  -1.80700   0.700    3                                
    4  36.61700  36.26700  -5.33900   0.700    4                                
    5  35.49300  33.99400  -6.87100   0.700    5                                
    6  36.19900  36.70300  -3.27300   0.700    6                                
    7  37.58700  31.32100  -1.00500   0.700    7                                
    8  36.27100  31.74200  -1.67200   0.700    8                                
    9  35.15700  32.39600  -3.73600   0.700    9                                
   10  35.03200  31.52900  -1.06900   0.700   10                                
   11  33.93000  32.12400  -3.13700   0.700   11                                
   12  35.98100  35.21200  -4.83400   0.700   12                                
   13  35.61800  34.07500  -5.54900   0.700   13                                
   14  35.20300  32.83500  -5.06300   0.700   14                                
   15  36.74800  37.18500  -4.38500   0.700   15                                
   16  34.86500  32.12400  -6.14000   0.700   16                                
   17  35.02200  32.78700  -7.17000   0.700   17                                
   18  35.73000  35.49000  -3.55700   0.700   18                                
   19  34.94600  31.24100   0.26200   0.700   19                                
   20  32.76900  32.23900  -3.83800   0.700   20