cluster     1   number of spheres in cluster    19
    1  -1.61400   9.71300  12.93900   0.700    1                                
    2  -2.10600   8.44400  12.73300   0.700    2                                
    3  -4.04000   2.10400  15.25200   0.700    3                                
    4  -3.82200   3.26500  14.55700   0.700    4                                
    5  -1.19300   9.95600  14.23600   0.700    5                                
    6  -2.58800   6.34600  13.99000   0.700    6                                
    7  -2.07200   7.69600  13.89400   0.700    7                                
    8  -5.27200   2.09300  15.83000   0.700    8                                
    9  -4.88600   4.13600  14.60300   0.700    9                                
   10  -5.39900  -0.47200  16.28900   0.700   10                                
   11  -3.96300   6.59600  14.41200   0.700   11                                
   12  -5.47500   1.07400  18.15800   0.700   12                                
   13  -7.31500   0.97500  16.74400   0.700   13                                
   14  -4.92700   5.49900  12.44200   0.700   14                                
   15  -6.30800   6.24400  14.19100   0.700   15                                
   16  -1.41300   8.56100  15.24600   0.700   16                                
   17  -6.17800   3.51700  15.51600   0.700   17                                
   18  -5.89900   0.82800  16.81500   0.700   18                                
   19  -5.02200   5.69800  13.85800   0.700   19