cluster     1   number of spheres in cluster    12
    1   3.90800  69.88100  61.13100   0.700    1                                
    2   4.63000  66.22900  61.86600   0.700    2                                
    3   4.35400  67.28800  59.96000   0.700    3                                
    4   5.94600  69.52600  65.39300   0.700    4                                
    5   5.74900  69.48400  63.99300   0.700    5                                
    6   5.02100  69.06000  66.37600   0.700    6                                
    7   3.52900  68.46600  64.46000   0.700    7                                
    8   4.58100  68.96600  63.45700   0.700    8                                
    9   3.81100  68.55700  65.99000   0.700    9                                
   10   4.59200  68.81400  61.83200   0.700   10                                
   11   4.00900  67.41800  61.32800   0.700   11                                
   12   2.97600  68.13900  67.04100   0.700   12