cluster     1   number of spheres in cluster    10
    1   2.61300  69.23500  65.47900   0.700    1                                
    2   6.81900  70.04300  65.67200   0.700    2                                
    3   6.02900  70.05200  66.83400   0.700    3                                
    4   6.25600  69.77300  64.40400   0.700    4                                
    5   4.65200  69.78700  66.76000   0.700    5                                
    6   4.32000  69.21900  62.90400   0.700    6                                
    7   4.88000  69.50600  64.31000   0.700    7                                
    8   2.88100  68.93800  62.98700   0.700    8                                
    9   4.06800  69.51100  65.49200   0.700    9                                
   10   2.33100  68.66800  61.66400   0.700   10