cluster     1   number of spheres in cluster    15
    1   5.05300  71.13600  69.46800   0.700    1                                
    2   6.36200  71.26100  69.02500   0.700    2                                
    3   4.05600  70.70200  68.60300   0.700    3                                
    4   6.69700  70.95500  67.71200   0.700    4                                
    5   3.51500  68.54000  62.59700   0.700    5                                
    6   4.73600  69.36300  62.14500   0.700    6                                
    7   2.86000  69.17700  63.84800   0.700    7                                
    8   5.77600  69.45900  63.28900   0.700    8                                
    9   4.35100  70.38100  67.26000   0.700    9                                
   10   5.71900  70.51800  66.81900   0.700   10                                
   11   3.83300  69.63400  64.99500   0.700   11                                
   12   5.20700  69.82100  64.68300   0.700   12                                
   13   3.39600  69.93300  66.30900   0.700   13                                
   14   2.09200  69.79800  66.62500   0.700   14                                
   15   6.06800  70.23600  65.58500   0.700   15