cluster     1   number of spheres in cluster    18
    1  -0.38200  63.52100  71.79600   0.700    1                                
    2  -0.68300  61.20100  71.45400   0.700    2                                
    3   1.20300  61.90000  72.73400   0.700    3                                
    4   5.96400  69.81600  63.32600   0.700    4                                
    5   4.07200  69.37800  61.88500   0.700    5                                
    6   5.16700  67.57100  62.88300   0.700    6                                
    7   5.00900  65.50700  68.89200   0.700    7                                
    8   4.74900  66.48500  67.77100   0.700    8                                
    9   3.76700  65.14300  69.69500   0.700    9                                
   10   4.33900  67.92000  68.13600   0.700   10                                
   11   3.21100  63.72400  69.45200   0.700   11                                
   12   3.71100  68.65000  66.91400   0.700   12                                
   13   1.93900  63.62500  70.29400   0.700   13                                
   14   4.29200  68.24100  65.53400   0.700   14                                
   15   1.17400  62.29500  70.34000   0.700   15                                
   16   3.84000  69.05600  64.29300   0.700   16                                
   17   0.35400  62.24800  71.56700   0.700   17                                
   18   4.76600  68.96400  63.11500   0.700   18