cluster     1   number of spheres in cluster    15
    1  27.35200   0.08500  -1.38300   0.700    1                                
    2  26.23300  -1.05100   0.36600   0.700    2                                
    3  28.53600  -0.01800  -0.63500   0.700    3                                
    4  27.39500  -1.15300   1.12200   0.700    4                                
    5  24.05800  -0.38900  -3.97700   0.700    5                                
    6  23.93400  -2.44800  -2.81800   0.700    6                                
    7  23.54000  -1.01700  -5.11200   0.700    7                                
    8  23.41800  -3.03000  -3.97500   0.700    8                                
    9  26.18100  -0.46900  -0.88800   0.700    9                                
   10  24.29500  -1.10600  -2.80900   0.700   10                                
   11  28.56600  -0.63700   0.61900   0.700   11                                
   12  24.82100  -0.41700  -1.55700   0.700   12                                
   13  23.23400  -2.31500  -5.09100   0.700   13                                
   14  24.00400   0.26200  -0.97000   0.700   14                                
   15  29.69100  -0.75300   1.35600   0.700   15