cluster     1   number of spheres in cluster    18
    1  -3.59700  36.25300  21.41300   0.700    1                                
    2  -5.34200  37.23500  19.94100   0.700    2                                
    3  -4.33700  36.66200  22.56300   0.700    3                                
    4  -6.08500  37.64500  21.09100   0.700    4                                
    5  -2.70000  39.33700  18.36000   0.700    5                                
    6  -3.17500  38.66600  16.00100   0.700    6                                
    7  -2.85800  40.77500  17.89200   0.700    7                                
    8  -3.30200  40.05200  15.66200   0.700    8                                
    9  -2.01100  35.88600  17.00700   0.700    9                                
   10  -4.07800  36.53000  20.08600   0.700   10                                
   11  -2.86800  38.27500  17.37300   0.700   11                                
   12  -5.58300  37.36200  22.39400   0.700   12                                
   13  -2.72700  36.82100  17.76600   0.700   13                                
   14  -3.22600  36.07500  18.89000   0.700   14                                
   15  -2.10500  34.71800  17.65600   0.700   15                                
   16  -3.15000  41.08500  16.57100   0.700   16                                
   17  -2.82700  34.81800  18.78000   0.700   17                                
   18  -6.25700  37.74500  23.46000   0.700   18