cluster     1   number of spheres in cluster    11
    1  68.19600  45.61300   9.45400   0.700    1                                
    2  67.42500  45.54000   8.31400   0.700    2                                
    3  68.71500  46.82600   9.86200   0.700    3                                
    4  67.15600  46.67400   7.58400   0.700    4                                
    5  68.95500  49.22200   9.49700   0.700    5                                
    6  68.65100  50.33300   8.73500   0.700    6                                
    7  68.45500  47.98100   9.13300   0.700    7                                
    8  67.65700  47.90600   7.97800   0.700    8                                
    9  67.42100  49.08700   7.24400   0.700    9                                
   10  66.65100  49.04600   6.12400   0.700   10                                
   11  67.88300  50.29200   7.64000   0.700   11