cluster     1   number of spheres in cluster    19
    1   8.50300   1.17400  10.44300   0.700    1                                
    2   8.32100  -0.12600  10.94200   0.700    2                                
    3   8.19100   2.27400  11.20400   0.700    3                                
    4   7.80700  -0.31900  12.19300   0.700    4                                
    5   7.62900   2.05100  12.44300   0.700    5                                
    6   2.40800  -5.20200  15.54000   0.700    6                                
    7   3.06000  -4.84500  16.83400   0.700    7                                
    8   2.39300  -3.93400  14.69300   0.700    8                                
    9   6.83000   0.54500  14.36500   0.700    9                                
   10   3.66700  -1.72100  15.01700   0.700   10                                
   11   5.36400  -4.12900  15.85600   0.700   11                                
   12   7.42700   0.78000  12.96400   0.700   12                                
   13   4.03200  -3.67300  16.44500   0.700   13                                
   14   5.60900  -0.37300  14.16500   0.700   14                                
   15   5.04000  -1.09000  15.39700   0.700   15                                
   16   4.62700   0.47500  13.48200   0.700   16                                
   17   3.01300  -2.95900  15.60700   0.700   17                                
   18   4.86700  -0.03600  16.39300   0.700   18                                
   19   5.72600  -4.02000  14.65800   0.700   19