cluster     1   number of spheres in cluster    20
    1  43.60600  37.82300  29.46700   0.700    1                                
    2  37.14100  35.42400  31.59100   0.700    2                                
    3  38.37700  36.21900  29.71000   0.700    3                                
    4  38.49900  37.38400  31.90000   0.700    4                                
    5  42.19000  38.43900  29.17000   0.700    5                                
    6  42.10800  39.96900  29.44300   0.700    6                                
    7  40.69200  40.46700  29.13500   0.700    7                                
    8  39.65100  39.68600  30.02200   0.700    8                                
    9  39.84300  38.17500  29.70000   0.700    9                                
   10  37.52700  35.34000  30.27900   0.700   10                                
   11  37.62600  36.43700  32.38800   0.700   11                                
   12  38.90400  37.28500  30.50000   0.700   12                                
   13  44.10300  38.31900  30.76100   0.700   13                                
   14  43.07400  40.65700  28.66000   0.700   14                                
   15  40.60000  41.90700  29.38500   0.700   15                                
   16  38.28200  40.11600  29.77600   0.700   16                                
   17  36.37400  34.59700  32.02800   0.700   17                                
   18  38.66600  36.04100  28.48400   0.700   18                                
   19  38.87200  38.24200  32.69400   0.700   19                                
   20  41.21300  37.64700  29.93100   0.700   20