cluster     1   number of spheres in cluster    12
    1  -4.36800   5.13300  10.32000   0.700    1                                
    2  -3.44700   6.16700  10.45100   0.700    2                                
    3  -3.93600   3.81300  10.36500   0.700    3                                
    4  -2.09600   5.87200  10.62600   0.700    4                                
    5  -2.58900   3.52900  10.54000   0.700    5                                
    6  -0.19300   4.22800  10.85000   0.700    6                                
    7  -1.65400   4.55100  10.67100   0.700    7                                
    8   0.69600   4.69200   9.69000   0.700    8                                
    9   0.80400   6.21600   9.69400   0.700    9                                
   10   2.02200   4.09600   9.81200   0.700   10                                
   11   1.38900   6.81300   8.78800   0.700   11                                
   12  -0.07000   6.67000  10.27000   0.700   12