cluster     1   number of spheres in cluster    12
    1  10.60600   0.23300  23.86900   0.700    1                                
    2  10.20200  -1.22500  23.67900   0.700    2                                
    3  11.84400   0.55100  23.02900   0.700    3                                
    4   9.28300  -1.81000  24.78500   0.700    4                                
    5   9.11000  -3.32000  24.56100   0.700    5                                
    6  14.28300  -0.02500  23.08500   0.700    6                                
    7   9.85700  -1.57100  26.14600   0.700    7                                
    8  14.53800   0.62400  21.96200   0.700    8                                
    9  15.26200  -0.63200  23.70800   0.700    9                                
   10  13.04900  -0.07300  23.60100   0.700   10                                
   11   8.56600  -3.70600  23.50200   0.700   11                                
   12   9.52200  -4.10700  25.43000   0.700   12