cluster     1   number of spheres in cluster    20
    1  -1.95000 -21.31500   9.15800   0.700    1                                
    2  -2.09900 -20.45700  10.25300   0.700    2                                
    3  -1.74400 -16.65400  16.29600   0.700    3                                
    4  -1.18400 -14.76100  14.91400   0.700    4                                
    5  -1.97800 -15.80800  17.37900   0.700    5                                
    6  -1.41400 -13.90600  16.00200   0.700    6                                
    7  -2.16300 -22.68500   9.33600   0.700    7                                
    8  -2.65200 -22.35200  11.61700   0.700    8                                
    9  -1.12300 -17.09000  13.92700   0.700    9                                
   10  -1.35000 -16.14400  15.06100   0.700   10                                
   11  -1.81600 -14.43000  17.23700   0.700   11                                
   12  -2.44700 -20.97400  11.50100   0.700   12                                
   13  -2.08100 -13.54700  18.42200   0.700   13                                
   14  -2.60800 -20.05600  12.69000   0.700   14                                
   15  -2.72200 -14.05100  19.48100   0.700   15                                
   16  -1.71600 -12.33200  18.44100   0.700   16                                
   17  -2.50500 -23.15800  10.54300   0.700   17                                
   18  -1.97700 -18.03900  13.73900   0.700   18                                
   19  -1.86800 -18.93400  12.74800   0.700   19                                
   20  -3.41900 -20.35400  13.56600   0.700   20