cluster     1   number of spheres in cluster    16
    1  13.00800   3.02300  20.40100   0.700    1                                
    2  13.57400   3.92700  21.48100   0.700    2                                
    3  10.31300   0.26400  23.69600   0.700    3                                
    4   9.99900  -1.23400  23.62100   0.700    4                                
    5  14.30100   0.43500  21.96500   0.700    5                                
    6  11.58600   0.55500  22.91000   0.700    6                                
    7  15.08100   1.71700  22.04500   0.700    7                                
    8   8.94700  -1.68700  24.64300   0.700    8                                
    9  13.98100  -0.16200  23.13100   0.700    9                                
   10   8.71600  -3.17800  24.50800   0.700   10                                
   11   9.39800  -1.35900  25.99700   0.700   11                                
   12  14.97400  -0.76600  23.79800   0.700   12                                
   13  12.72300  -0.09300  23.58600   0.700   13                                
   14   8.30900  -3.66800  23.42800   0.700   14                                
   15   8.96600  -3.91600  25.47300   0.700   15                                
   16  14.16900   2.99900  22.87100   0.700   16