cluster     1   number of spheres in cluster    20
    1  46.31600   8.71900   0.01500   0.700    1                                
    2  45.00900   9.21800  -0.03500   0.700    2                                
    3  47.37500   9.53500   0.42100   0.700    3                                
    4  44.74800  10.54000   0.34000   0.700    4                                
    5  47.12100  10.86000   0.78900   0.700    5                                
    6  47.13800  16.27800   3.20200   0.700    6                                
    7  45.81100  11.37000   0.73900   0.700    7                                
    8  45.56100  14.73400   2.39800   0.700    8                                
    9  46.00500  13.40300   2.24100   0.700    9                                
   10  45.53900  12.74200   1.14500   0.700   10                                
   11  44.70800  15.07000   1.37300   0.700   11                                
   12  47.52400  17.00400   4.50100   0.700   12                                
   13  43.99600  16.45200   1.16700   0.700   13                                
   14  46.76900  16.90500   5.49500   0.700   14                                
   15  43.93400  17.24100   2.15800   0.700   15                                
   16  48.59500  17.64300   4.44500   0.700   16                                
   17  43.55700  16.65100  -0.00200   0.700   17                                
   18  45.93200  15.53200   3.42600   0.700   18                                
   19  44.49900  13.77400   0.27100   0.700   19                                
   20  47.19900  12.64800   3.46400   0.700   20