cluster     1   number of spheres in cluster    27
    1  20.20600   1.90500 -12.00000   0.700    1                                
    2  23.03900  -2.91200 -19.86600   0.700    2                                
    3  24.71300  -1.69200 -21.14000   0.700    3                                
    4  21.42600   2.79900 -17.08400   0.700    4                                
    5  21.93700   0.70700 -16.03900   0.700    5                                
    6  23.60900  -4.12000 -20.27200   0.700    6                                
    7  25.27700  -2.89600 -21.53900   0.700    7                                
    8  21.02200   3.31700 -15.85300   0.700    8                                
    9  21.52900   1.22600 -14.81500   0.700    9                                
   10  22.44400  -0.07500 -22.91600   0.700   10                                
   11  22.61800   2.26400 -22.43400   0.700   11                                
   12  22.40300   0.26100 -24.26600   0.700   12                                
   13  22.57800   2.51600 -23.82100   0.700   13                                
   14  23.57700  -1.69000 -20.32400   0.700   14                                
   15  21.90500   1.49600 -17.18100   0.700   15                                
   16  22.57700   0.93700 -21.95900   0.700   16                                
   17  24.73800  -4.10500 -21.10800   0.700   17                                
   18  21.07200   2.53500 -14.71100   0.700   18                                
   19  22.59900   0.67200 -20.56200   0.700   19                                
   20  23.01900  -0.49000 -19.87000   0.700   20                                
   21  22.29500   0.95300 -18.41500   0.700   21                                
   22  22.15400   1.51200 -19.61800   0.700   22                                
   23  22.47400   1.51400 -24.69300   0.700   23                                
   24  22.81900  -0.26100 -18.57900   0.700   24                                
   25  19.33900   4.04600 -13.41300   0.700   25                                
   26  25.32100  -5.26700 -21.52300   0.700   26                                
   27  20.55800   3.23200 -13.13700   0.700   27