cluster     1   number of spheres in cluster    15
    1  77.70900  27.73900  41.37400   0.700    1                                
    2  77.75600  26.81600  43.56400   0.700    2                                
    3  77.73600  27.72200  40.03200   0.700    3                                
    4  77.88400  26.40500  39.31300   0.700    4                                
    5  77.97400  25.35700  41.56500   0.700    5                                
    6  76.45600  26.27900  44.10300   0.700    6                                
    7  76.46700  25.91400  45.58100   0.700    7                                
    8  75.37600  27.29700  43.84900   0.700    8                                
    9  78.00000  25.33900  40.15900   0.700    9                                
   10  77.84700  26.65000  42.12500   0.700   10                                
   11  77.42600  25.13500  45.92500   0.700   11                                
   12  77.92300  26.29900  38.11000   0.700   12                                
   13  78.07100  24.34800  42.20900   0.700   13                                
   14  75.63400  26.42000  46.29800   0.700   14                                
   15  77.51000  29.31000  39.03700   0.700   15