cluster     1   number of spheres in cluster    18
    1  29.49300   9.48600  64.20200   0.700    1                                
    2  30.71100   7.42900  64.47300   0.700    2                                
    3  30.67300  10.19600  64.25400   0.700    3                                
    4  31.89100   8.13900  64.52200   0.700    4                                
    5  28.76500   5.15900  65.20900   0.700    5                                
    6  27.47900   3.39900  64.57100   0.700    6                                
    7  29.49900   8.09500  64.31000   0.700    7                                
    8  31.87400   9.51900  64.40500   0.700    8                                
    9  28.03600   6.00500  64.38400   0.700    9                                
   10  26.75900   4.25400  63.76400   0.700   10                                
   11  33.72800  10.71500  65.99800   0.700   11                                
   12  28.49600   3.85500  65.30600   0.700   12                                
   13  27.01100   5.55800  63.64100   0.700   13                                
   14  28.29500   7.37500  64.26700   0.700   14                                
   15  33.16200  11.68800  63.81100   0.700   15                                
   16  34.42000   9.55000  63.94900   0.700   16                                
   17  33.39000  10.42300  64.46000   0.700   17                                
   18  25.44500   3.63600  62.81500   0.700   18