cluster     1   number of spheres in cluster    12
    1   3.12300   9.39800  25.62900   0.700    1                                
    2   2.11000   9.75300  23.43200   0.700    2                                
    3  -1.96600  11.62400  23.53900   0.700    3                                
    4  -0.69000   9.95100  27.43800   0.700    4                                
    5  -0.42500  10.69300  24.78100   0.700    5                                
    6  -1.64200  10.90600  25.53700   0.700    6                                
    7   0.70500  10.11600  25.50000   0.700    7                                
    8  -0.68300  11.18700  23.56000   0.700    8                                
    9  -2.58100  11.42500  24.70700   0.700    9                                
   10  -1.75100  10.52100  26.83700   0.700   10                                
   11   0.47700   9.76300  26.79900   0.700   11                                
   12   1.95200   9.81700  24.87000   0.700   12