cluster     1   number of spheres in cluster    28
    1  30.24800  -2.25900  53.07700   0.700    1                                
    2  26.90100  -2.39500  51.02800   0.700    2                                
    3  23.14800   2.46800  52.89500   0.700    3                                
    4  23.05900   3.11600  50.35900   0.700    4                                
    5  28.82100   2.06400  55.37100   0.700    5                                
    6  28.23400   3.26400  55.68500   0.700    6                                
    7  28.68700   1.56000  54.02200   0.700    7                                
    8  27.44900   4.12000  54.72400   0.700    8                                
    9  29.84100  -2.14900  51.64300   0.700    9                                
   10  27.96100   2.26900  52.94700   0.700   10                                
   11  27.31600   3.63400  53.34000   0.700   11                                
   12  27.88000   1.65800  51.48900   0.700   12                                
   13  27.55800  -1.02100  51.19600   0.700   13                                
   14  26.92800   0.24600  51.44100   0.700   14                                
   15  29.27600   1.65100  50.86800   0.700   15                                
   16  29.92900   0.31100  50.69100   0.700   16                                
   17  23.31300   2.03500  51.39600   0.700   17                                
   18  29.98200   3.05900  50.55000   0.700   18                                
   19  25.32100   0.43000  51.62700   0.700   19                                
   20  31.29800   0.22700  50.14300   0.700   20                                
   21  29.09900  -0.96700  51.14000   0.700   21                                
   22  29.24400   4.07100  50.29300   0.700   22                                
   23  31.42800  -0.17200  48.94100   0.700   23                                
   24  31.20800   3.31000  50.59300   0.700   24                                
   25  24.60100  -0.45300  52.01600   0.700   25                                
   26  32.14900   0.60400  50.99400   0.700   26                                
   27  24.87900   1.70300  51.31000   0.700   27                                
   28  26.49800   4.59200  52.28900   0.700   28