cluster     1   number of spheres in cluster    17
    1  15.35300 -10.93200  16.21300   0.700    1                                
    2  16.01700 -10.05800  15.34100   0.700    2                                
    3  15.63700  -9.35000  18.05200   0.700    3                                
    4  18.11100  -6.64200  16.83700   0.700    4                                
    5  18.17300  -7.08000  15.36300   0.700    5                                
    6  15.16100 -10.58500  17.56100   0.700    6                                
    7  16.49300  -8.82600  15.82500   0.700    7                                
    8  16.31200  -8.46600  17.15500   0.700    8                                
    9  15.68700  -6.13400  17.56400   0.700    9                                
   10  16.10400  -6.33700  19.67100   0.700   10                                
   11  16.85300  -7.10500  17.62600   0.700   11                                
   12  15.32500  -5.74400  18.79600   0.700   12                                
   13  16.99000  -7.11900  19.05000   0.700   13                                
   14  15.22700  -5.83000  16.49200   0.700   14                                
   15  15.96400  -6.12900  20.86400   0.700   15                                
   16  17.14600  -7.99200  14.92200   0.700   16                                
   17  14.52800 -11.42200  18.38700   0.700   17