cluster     1   number of spheres in cluster    20
    1  23.01600  12.81900 118.54000   0.700    1                                
    2  24.54700   8.85300 110.85700   0.700    2                                
    3  23.35800   8.67800 111.57500   0.700    3                                
    4  25.81200   9.06000 112.92400   0.700    4                                
    5  20.90700   8.19500 116.50300   0.700    5                                
    6  22.44500   8.08500 116.45000   0.700    6                                
    7  24.44600   9.02200 115.13400   0.700    7                                
    8  22.22900  12.29600 117.31900   0.700    8                                
    9  23.13700  11.29000 116.60400   0.700    9                                
   10  22.41300  10.48200 115.52100   0.700   10                                
   11  25.77400   9.02600 111.52500   0.700   11                                
   12  23.40700   8.73700 112.97200   0.700   12                                
   13  24.61500   8.95100 113.63500   0.700   13                                
   14  20.34700   7.79400 115.15400   0.700   14                                
   15  22.34900   8.62500 113.99900   0.700   15                                
   16  21.14300   8.02200 113.92600   0.700   16                                
   17  22.92100   9.03700 115.33300   0.700   17                                
   18  26.92700   9.10900 110.83900   0.700   18                                
   19  19.24100   7.31800 115.10400   0.700   19                                
   20  20.40900   7.19600 112.52200   0.700   20