cluster     1   number of spheres in cluster    10
    1   2.94700  68.77500  65.49400   0.700    1                                
    2   4.24800  68.44600  61.41400   0.700    2                                
    3   2.91600  68.18700  61.74700   0.700    3                                
    4   5.16300  68.83200  62.39700   0.700    4                                
    5   2.49000  68.29800  63.07100   0.700    5                                
    6   5.54500  69.27100  64.58100   0.700    6                                
    7   4.73000  68.94200  63.71200   0.700    7                                
    8   6.32200  69.58500  65.41800   0.700    8                                
    9   3.39500  68.68000  64.07400   0.700    9                                
   10   7.61500  69.81200  65.06600   0.700   10