cluster     1   number of spheres in cluster    21
    1  -0.70600  11.57500  14.20400   0.700    1                                
    2  -1.63000   9.56400  12.89200   0.700    2                                
    3  -1.22400   9.34000  15.26600   0.700    3                                
    4  -2.05900   8.23700  12.83600   0.700    4                                
    5  -1.65500   8.01800  15.21200   0.700    5                                
    6  -3.94500   1.91800  15.45400   0.700    6                                
    7  -3.66300   3.04400  14.71100   0.700    7                                
    8  -2.53300   6.01600  13.99600   0.700    8                                
    9  -1.20900  10.11800  14.11200   0.700    9                                
   10  -2.07300   7.45800  14.00600   0.700   10                                
   11  -5.26200   1.91700  15.86800   0.700   11                                
   12  -4.77200   3.86400  14.58500   0.700   12                                
   13  -5.42600  -0.67000  16.24100   0.700   13                                
   14  -3.67400   5.78800  13.11000   0.700   14                                
   15  -5.45200   0.89000  18.20900   0.700   15                                
   16  -7.34200   0.89800  16.81600   0.700   16                                
   17  -6.08600   5.41700  12.99900   0.700   17                                
   18  -5.25300   6.33200  14.86600   0.700   18                                
   19  -6.18600   3.29000  15.35200   0.700   19                                
   20  -5.92300   0.68000  16.88700   0.700   20                                
   21  -4.92400   5.41300  13.82500   0.700   21