cluster     1   number of spheres in cluster    28
    1   3.32600  -2.07000  19.75200   0.700    1                                
    2   2.59800  -4.45300  19.23000   0.700    2                                
    3   4.71500  -3.56600  18.45900   0.700    3                                
    4   0.94000  -6.91600  16.72200   0.700    4                                
    5   1.74600  -2.50900  15.38600   0.700    5                                
    6  -3.69700   5.30200  19.13400   0.700    6                                
    7  -4.67800   4.12100  19.10800   0.700    7                                
    8  -2.77100   5.31300  17.89400   0.700    8                                
    9  -3.96700   2.76900  19.02100   0.700    9                                
   10   2.08000  -4.92900  16.10800   0.700   10                                
   11   1.71100   0.02400  15.28400   0.700   11                                
   12   2.17000  -3.44800  16.31400   0.700   12                                
   13  -2.33900   3.94000  17.42400   0.700   13                                
   14  -2.90500   2.79400  17.96200   0.700   14                                
   15  -1.33300   3.60200  16.41300   0.700   15                                
   16   2.70400  -2.68800  17.42900   0.700   16                                
   17  -1.19400   2.23700  16.27200   0.700   17                                
   18   0.24100   0.28500  15.57000   0.700   18                                
   19  -0.50400   4.51100  15.62700   0.700   19                                
   20   3.33300  -3.18500  18.67500   0.700   20                                
   21  -0.93300   5.80900  15.51900   0.700   21                                
   22   2.59600  -1.36200  17.12100   0.700   22                                
   23   0.79900  -5.48700  16.53400   0.700   23                                
   24  -0.35300   1.52600  15.42100   0.700   24                                
   25   2.01300  -1.28100  15.89300   0.700   25                                
   26  -0.39700  -0.67000  15.92100   0.700   26                                
   27   0.53800   4.12700  15.08900   0.700   27                                
   28  -2.27900   1.36200  17.27700   0.700   28