cluster     1   number of spheres in cluster    13
    1  76.37700  29.58600  40.40000   0.700    1                                
    2  77.40800  26.92700  42.24400   0.700    2                                
    3  76.82200  28.20300  40.03900   0.700    3                                
    4  77.24300  27.12600  40.75400   0.700    4                                
    5  77.43300  26.16800  39.70800   0.700    5                                
    6  76.13600  26.43000  42.96700   0.700    6                                
    7  76.44200  26.05500  44.45600   0.700    7                                
    8  75.07400  27.49300  42.91700   0.700    8                                
    9  77.17900  26.53200  38.47500   0.700    9                                
   10  75.72200  26.56300  45.34600   0.700   10                                
   11  77.82300  24.94600  40.06500   0.700   11                                
   12  77.36300  25.25400  44.66800   0.700   12                                
   13  76.77000  27.90400  38.68700   0.700   13