cluster     1   number of spheres in cluster    15
    1  68.96600  26.63800 185.94901   0.700    1                                
    2  67.52600  21.71900 190.11700   0.700    2                                
    3  67.83600  22.64200 189.14301   0.700    3                                
    4  69.84500  21.06000 190.35201   0.700    4                                
    5  68.63400  24.54100 187.16299   0.700    5                                
    6  68.14100  19.95400 191.79500   0.700    6                                
    7  69.28700  25.40300 186.23300   0.700    7                                
    8  68.50200  20.91400 190.74600   0.700    8                                
    9  69.18500  22.80200 188.74500   0.700    9                                
   10  70.18200  21.97100 189.38200   0.700   10                                
   11  68.11000  20.51900 193.26900   0.700   11                                
   12  69.19400  20.54600 193.95399   0.700   12                                
   13  67.16800  20.94900 193.82401   0.700   13                                
   14  69.61300  23.68500 187.81200   0.700   14                                
   15  71.83700  22.10000 188.95300   0.700   15