cluster     1   number of spheres in cluster    20
    1  38.34500  23.87000  32.24700   0.700    1                                
    2  37.76800  25.28600  32.30600   0.700    2                                
    3  31.94000  19.26200  27.61400   0.700    3                                
    4  37.90600  24.57100  30.95600   0.700    4                                
    5  32.13600  20.76000  27.36500   0.700    5                                
    6  32.29100  20.98800  25.85700   0.700    6                                
    7  32.56600  22.46600  25.57400   0.700    7                                
    8  33.74300  22.94800  26.42400   0.700    8                                
    9  33.41400  22.70500  27.89900   0.700    9                                
   10  35.43500  24.30400  30.73500   0.700   10                                
   11  34.29600  23.63500  29.96000   0.700   11                                
   12  36.68100  24.03600  30.34000   0.700   12                                
   13  34.54000  23.20400  28.72400   0.700   13                                
   14  33.14900  18.54100  27.35200   0.700   14                                
   15  31.08300  20.61000  25.19100   0.700   15                                
   16  32.87900  22.63900  24.18900   0.700   16                                
   17  33.91100  24.35600  26.23700   0.700   17                                
   18  35.14400  25.07500  31.65400   0.700   18                                
   19  33.16700  23.64900  30.45300   0.700   19                                
   20  33.27300  21.28200  28.07800   0.700   20