cluster     1   number of spheres in cluster    12
    1  39.06900  16.07900  32.64900   0.700    1                                
    2  41.68900  19.66300  28.57000   0.700    2                                
    3  40.50800  19.41600  27.87300   0.700    3                                
    4  41.77900  19.04200  29.82600   0.700    4                                
    5  40.55300  18.24200  30.08600   0.700    5                                
    6  39.17200  16.82900  31.36100   0.700    6                                
    7  42.96400  19.17400  30.73100   0.700    7                                
    8  40.31100  17.51200  31.20400   0.700    8                                
    9  43.86900  19.90500  30.29000   0.700    9                                
   10  38.26300  16.82200  30.53500   0.700   10                                
   11  42.97700  18.60400  31.83400   0.700   11                                
   12  39.47300  18.34900  28.75000   0.700   12