cluster     1   number of spheres in cluster    20
    1  37.03300  36.24900  34.57600   0.700    1                                
    2  38.39700  37.46700  32.85000   0.700    2                                
    3  43.59500  38.78700  31.16900   0.700    3                                
    4  37.53100  36.44500  33.15400   0.700    4                                
    5  37.14500  35.56900  31.98200   0.700    5                                
    6  38.51600  36.82300  30.39100   0.700    6                                
    7  42.17600  39.33700  30.86900   0.700    7                                
    8  41.89700  40.72400  31.54600   0.700    8                                
    9  40.47400  41.17500  31.21100   0.700    9                                
   10  39.42800  40.13400  31.71500   0.700   10                                
   11  39.84000  38.74400  31.04400   0.700   11                                
   12  37.65100  35.80400  30.68400   0.700   12                                
   13  38.89600  37.67400  31.49100   0.700   13                                
   14  43.69700  38.54400  32.62400   0.700   14                                
   15  42.86200  41.71500  31.07600   0.700   15                                
   16  40.18200  42.45200  31.81000   0.700   16                                
   17  38.07700  40.51900  31.41600   0.700   17                                
   18  36.37200  34.60700  32.11800   0.700   18                                
   19  38.89000  36.91600  29.21400   0.700   19                                
   20  41.21500  38.28800  31.30600   0.700   20