cluster     1   number of spheres in cluster    28
    1  20.60800  11.59300  -9.55300   0.700    1                                
    2  14.51500   8.10500 -11.87700   0.700    2                                
    3  15.63200   8.77200 -12.35000   0.700    3                                
    4  20.16500  10.71200 -10.53900   0.700    4                                
    5  19.18500  13.32100 -10.51000   0.700    5                                
    6  13.91400   7.52300 -14.15000   0.700    6                                
    7  17.92300  14.24600 -13.06400   0.700    7                                
    8  17.15900   9.53700 -14.29500   0.700    8                                
    9  20.09600  12.87200  -9.59800   0.700    9                                
   10  13.67700   7.47200 -12.80100   0.700   10                                
   11  15.95000   8.84600 -13.71000   0.700   11                                
   12  19.18800  11.11500 -11.49500   0.700   12                                
   13  18.71300  12.42900 -11.47100   0.700   13                                
   14  15.06500   8.20500 -14.54600   0.700   14                                
   15  17.04300  15.17600 -12.24400   0.700   15                                
   16  18.68800  10.12800 -12.44000   0.700   16                                
   17  16.33300  13.15400 -11.64200   0.700   17                                
   18  17.25700  11.85000 -13.47600   0.700   18                                
   19  17.65900  12.87800 -12.45400   0.700   19                                
   20  16.11600  14.47600 -11.53300   0.700   20                                
   21  17.73300  10.52900 -13.34400   0.700   21                                
   22  17.12300  16.39500 -12.27100   0.700   22                                
   23  19.05000   8.96500 -12.43300   0.700   23                                
   24  15.70600  12.26100 -11.13600   0.700   24                                
   25  16.54000  12.14900 -14.40100   0.700   25                                
   26  20.54200  13.75300  -8.67200   0.700   26                                
   27  15.29300   8.31200 -15.88700   0.700   27                                
   28  12.13900   6.59400 -12.17500   0.700   28