cluster     1   number of spheres in cluster    18
    1  14.96200  41.25700 -81.55400   0.700    1                                
    2  12.73000  38.95900 -77.71400   0.700    2                                
    3  13.99700  38.15600 -77.37900   0.700    3                                
    4  12.34200  38.54000 -79.13200   0.700    4                                
    5  14.30100  37.30000 -78.61400   0.700    5                                
    6  16.17000  39.24000 -84.76200   0.700    6                                
    7  14.70500  39.65300 -84.70500   0.700    7                                
    8  17.64200  38.28600 -83.08700   0.700    8                                
    9  14.64300  40.41700 -82.33700   0.700    9                                
   10  13.66300  38.08500 -79.75400   0.700   10                                
   11  16.30300  38.03900 -83.79900   0.700   11                                
   12  14.27700  39.31800 -83.27400   0.700   12                                
   13  13.51400  37.36100 -81.10600   0.700   13                                
   14  14.80800  37.19300 -81.95100   0.700   14                                
   15  17.68800  38.58600 -81.77200   0.700   15                                
   16  12.97600  36.02800 -80.93000   0.700   16                                
   17  15.09700  38.12400 -82.93700   0.700   17                                
   18  15.51300  36.22100 -81.69800   0.700   18