cluster     1   number of spheres in cluster    13
    1  23.48300   0.27000   4.32100   0.700    1                                
    2  24.52900  -0.21500   3.52100   0.700    2                                
    3  26.46600   1.03400  -0.92900   0.700    3                                
    4  28.03100  -0.05800   0.54000   0.700    4                                
    5  25.53500   1.08400   0.10100   0.700    5                                
    6  27.09900  -0.00800   1.57000   0.700    6                                
    7  22.91700   1.49200   3.95300   0.700    7                                
    8  28.72700   0.40700  -1.83000   0.700    8                                
    9  27.71400   0.46200  -0.71000   0.700    9                                
   10  25.85100   0.56400   1.35100   0.700   10                                
   11  24.85200   0.61800   2.45500   0.700   11                                
   12  29.78800   1.36100  -1.57000   0.700   12                                
   13  23.78700   2.04200   2.49200   0.700   13