cluster     1   number of spheres in cluster    16
    1  -5.60300   4.59600  14.89500   0.700    1                                
    2  -5.00100   1.88800  14.42800   0.700    2                                
    3  -4.98600   4.23300  13.68900   0.700    3                                
    4  -4.68800   2.86800  13.46900   0.700    4                                
    5  -5.62100   2.26300  15.63100   0.700    5                                
    6  -5.92800   3.62900  15.87000   0.700    6                                
    7  -4.69500   5.22900  12.76400   0.700    7                                
    8  -2.42100   2.82800  11.98700   0.700    8                                
    9  -5.43200  -0.39900  16.25600   0.700    9                                
   10  -4.60000   3.06200  10.92600   0.700   10                                
   11  -3.92200   0.93000  11.93500   0.700   11                                
   12  -5.32700   1.26200  18.02400   0.700   12                                
   13  -7.42700   0.86200  16.80300   0.700   13                                
   14  -3.92600   2.35400  11.96500   0.700   14                                
   15  -5.99900   0.96500  16.79700   0.700   15                                
   16  -6.66600   4.10300  17.30400   0.700   16