cluster     1   number of spheres in cluster    13
    1  20.08900  56.38600  21.78000   0.700    1                                
    2  17.65900  54.85000  19.98200   0.700    2                                
    3  18.93800  55.51000  22.15900   0.700    3                                
    4  17.92400  54.93400  21.46600   0.700    4                                
    5  17.20800  54.29400  22.51900   0.700    5                                
    6  18.30600  53.63300  19.28500   0.700    6                                
    7  17.77300  53.49000  17.82600   0.700    7                                
    8  19.80800  53.76600  19.30500   0.700    8                                
    9  17.66800  54.39400  23.74100   0.700    9                                
   10  16.53200  53.46200  17.66200   0.700   10                                
   11  16.06800  53.69800  22.17600   0.700   11                                
   12  18.61900  53.36900  16.91100   0.700   12                                
   13  18.83700  55.21500  23.50900   0.700   13