cluster     1   number of spheres in cluster    16
    1  28.21100   4.45500  21.44000   0.700    1                                
    2  28.73400   4.61000  23.83400   0.700    2                                
    3  30.05700   3.10400  22.41800   0.700    3                                
    4  31.04200   5.84400  19.63800   0.700    4                                
    5  31.12700   6.01500  21.12800   0.700    5                                
    6  30.46100   5.51500  22.22400   0.700    6                                
    7  32.14600   6.92200  21.65600   0.700    7                                
    8  30.26200   7.02700  19.00500   0.700    8                                
    9  30.57300   7.07300  17.49000   0.700    9                                
   10  29.36500   4.47400  22.44100   0.700   10                                
   11  28.77900   6.93800  19.22600   0.700   11                                
   12  32.04900   7.02900  22.98600   0.700   12                                
   13  31.80000   7.13000  17.17000   0.700   13                                
   14  33.01800   7.54300  20.94900   0.700   14                                
   15  29.61200   7.06100  16.69500   0.700   15                                
   16  30.94300   6.13500  23.36900   0.700   16