cluster     1   number of spheres in cluster    18
    1  21.97000  14.27200  52.33200   0.700    1                                
    2  22.74100  14.18300  51.19800   0.700    2                                
    3  19.55700  11.88200  53.31600   0.700    3                                
    4  19.84900  13.81100  54.81700   0.700    4                                
    5  21.07000  13.29600  52.61400   0.700    5                                
    6  20.91800  12.15000  51.71500   0.700    6                                
    7  21.74700  12.08800  50.53200   0.700    7                                
    8  19.00700  15.04400  54.58900   0.700    8                                
    9  18.41500  15.57400  55.93800   0.700    9                                
   10  17.66700  16.80900  55.66500   0.700   10                                
   11  21.64500  11.02900  49.64900   0.700   11                                
   12  22.63000  13.11600  50.32500   0.700   12                                
   13  19.98300  11.36900  52.23200   0.700   13                                
   14  20.18000  13.05500  53.60600   0.700   14                                
   15  17.94300  14.73000  53.69400   0.700   15                                
   16  19.33000  15.81200  57.04200   0.700   16                                
   17  17.52900  17.26700  54.39200   0.700   17                                
   18  17.18100  17.40100  56.58200   0.700   18