cluster     1   number of spheres in cluster    21
    1  34.05500  -8.20800   5.17000   0.700    1                                
    2  30.95500  -4.34000  -0.68400   0.700    2                                
    3  29.93800  -3.63800  -1.29200   0.700    3                                
    4  31.10900  -4.35800   0.69100   0.700    4                                
    5  32.12500  -6.56700   4.08900   0.700    5                                
    6  33.58700  -4.66400   4.40600   0.700    6                                
    7  31.16100  -5.76100   3.50000   0.700    7                                
    8  32.59000  -3.84400   3.80100   0.700    8                                
    9  33.33200  -6.03600   4.52300   0.700    9                                
   10  31.41300  -4.41000   3.36200   0.700   10                                
   11  29.04900  -2.86600  -0.48500   0.700   11                                
   12  30.23100  -3.58000   1.47600   0.700   12                                
   13  29.22300  -2.81200   0.91400   0.700   13                                
   14  28.27400  -1.95300   1.67000   0.700   14                                
   15  27.20200  -1.26000  -0.24500   0.700   15                                
   16  28.33600  -1.78700   3.00700   0.700   16                                
   17  26.25500  -0.56200  -0.85300   0.700   17                                
   18  28.01100  -2.05100  -1.06700   0.700   18                                
   19  27.34300  -1.26800   1.08400   0.700   19                                
   20  34.33700  -6.83100   5.05400   0.700   20                                
   21  30.43400  -3.56600   2.83500   0.700   21