cluster     1   number of spheres in cluster    19
    1  19.95600  21.09500  61.47800   0.700    1                                
    2  23.10500  24.83400  61.88000   0.700    2                                
    3  21.21400  21.66700  61.16400   0.700    3                                
    4  22.82300  23.52700  61.41800   0.700    4                                
    5  18.95000  21.86100  62.09700   0.700    5                                
    6  22.04700  25.66600  62.30700   0.700    6                                
    7  17.64500  25.84800  64.52300   0.700    7                                
    8  21.53200  22.97200  61.55900   0.700    8                                
    9  19.20900  23.22300  62.45300   0.700    9                                
   10  20.77500  25.12000  62.58700   0.700   10                                
   11  20.51100  23.76900  62.18800   0.700   11                                
   12  18.18500  23.98100  63.17200   0.700   12                                
   13  19.72500  25.91600  63.26600   0.700   13                                
   14  16.55600  26.71600  63.97200   0.700   14                                
   15  18.57600  25.21600  63.59900   0.700   15                                
   16  16.40400  26.81600  62.74900   0.700   16                                
   17  17.06600  23.50900  63.40100   0.700   17                                
   18  19.89300  27.10600  63.51700   0.700   18                                
   19  15.87500  27.30200  64.76600   0.700   19