cluster     1   number of spheres in cluster    17
    1  13.92100   0.40800   2.49400   0.700    1                                
    2  14.58600  -1.37000   1.00100   0.700    2                                
    3  12.86200   0.69200   1.64600   0.700    3                                
    4  13.52500  -1.07300   0.13700   0.700    4                                
    5  16.85500  -4.03400   4.18200   0.700    5                                
    6  16.31100  -2.62200   6.08100   0.700    6                                
    7  17.77400  -4.54200   6.33200   0.700    7                                
    8  15.94700  -0.94900   3.10700   0.700    8                                
    9  15.32700  -2.09500   3.85300   0.700    9                                
   10  14.79900  -0.61700   2.16100   0.700   10                                
   11  12.64800  -0.04000   0.48800   0.700   11                                
   12  16.20800  -2.93300   4.73100   0.700   12                                
   13  17.65700  -4.83500   4.97700   0.700   13                                
   14  17.10700  -3.44600   6.88000   0.700   14                                
   15  11.57900   0.28800  -0.30400   0.700   15                                
   16  18.30400  -5.92100   4.43800   0.700   16                                
   17  17.23800  -3.19900   8.20200   0.700   17