cluster     1   number of spheres in cluster    20
    1  59.54700  50.77200   2.24400   0.700    1                                
    2  61.84500  50.67500   1.03800   0.700    2                                
    3  56.46000  46.50000  -1.26300   0.700    3                                
    4  54.26300  42.55600   3.70800   0.700    4                                
    5  58.78300  48.20300   0.79400   0.700    5                                
    6  55.53000  44.98400   1.06900   0.700    6                                
    7  58.70800  46.98500  -0.06000   0.700    7                                
    8  55.13800  44.62900   2.54100   0.700    8                                
    9  60.13200  48.87400   0.64000   0.700    9                                
   10  56.91400  45.63100   1.04300   0.700   10                                
   11  53.03900  43.49700   1.78300   0.700   11                                
   12  51.98600  42.41700   1.82400   0.700   12                                
   13  60.48000  50.04200   1.28400   0.700   13                                
   14  57.33200  46.35200  -0.03000   0.700   14                                
   15  54.08200  43.55100   2.63200   0.700   15                                
   16  50.82100  42.92500   2.54800   0.700   16                                
   17  52.65400  40.94300  -0.48500   0.700   17                                
   18  51.60100  43.21800  -0.82100   0.700   18                                
   19  50.22900  41.34800   0.06400   0.700   19                                
   20  51.56500  41.93700   0.04900   0.700   20