cluster     1   number of spheres in cluster    19
    1  -1.43500   2.14500  10.82000   0.700    1                                
    2  -3.51600   7.45600  12.56300   0.700    2                                
    3  -3.99200   2.30400  15.36400   0.700    3                                
    4  -2.56300   5.43800  13.66500   0.700    4                                
    5  -1.35500   3.22000  11.90600   0.700    5                                
    6  -3.82000   3.54800  14.68400   0.700    6                                
    7  -5.25900   2.24900  15.94900   0.700    7                                
    8  -4.96900   4.36800  14.78800   0.700    8                                
    9  -3.80200   6.01500  13.02300   0.700    9                                
   10  -2.60000   3.91800  13.92200   0.700   10                                
   11  -5.32700  -0.52000  16.19200   0.700   11                                
   12  -2.62100   3.17500  12.64900   0.700   12                                
   13  -6.33100   6.22300  13.64100   0.700   13                                
   14  -4.69700   6.81000  15.42200   0.700   14                                
   15  -7.31000   0.98700  16.72900   0.700   15                                
   16  -5.34900   1.04100  18.22000   0.700   16                                
   17  -6.18600   3.64100  15.70000   0.700   17                                
   18  -5.06000   6.01200  14.28100   0.700   18                                
   19  -5.88500   0.94100  16.89100   0.700   19