cluster     1   number of spheres in cluster    18
    1  -1.77700  29.36500  12.40600   0.700    1                                
    2  -2.01300  32.26500  10.49600   0.700    2                                
    3  -1.35000  32.95700   9.45500   0.700    3                                
    4  -0.24200  30.40200  10.39100   0.700    4                                
    5   4.11600  28.24100   8.38800   0.700    5                                
    6   5.05600  29.69300   6.64100   0.700    6                                
    7   2.31100  29.69000   8.85000   0.700    7                                
    8  -1.56000  31.06200  10.99500   0.700    8                                
    9  -0.15400  32.38900   8.88800   0.700    9                                
   10   0.32600  31.16900   9.37100   0.700   10                                
   11   3.22900  29.46500   8.18900   0.700   11                                
   12   1.50500  30.85500   8.63400   0.700   12                                
   13   1.62000  31.98300   7.75300   0.700   13                                
   14   5.17000  28.29900   7.26900   0.700   14                                
   15   3.90100  30.31800   7.21500   0.700   15                                
   16   0.66700  32.87600   7.88100   0.700   16                                
   17   2.49700  32.16000   6.94100   0.700   17                                
   18  -2.15000  30.43400  11.93600   0.700   18