cluster     1   number of spheres in cluster    15
    1  77.87700  27.73600  41.49400   0.700    1                                
    2  77.89900  26.77600  43.70400   0.700    2                                
    3  77.92200  27.73800  40.14500   0.700    3                                
    4  78.07700  26.41500  39.41400   0.700    4                                
    5  78.14200  25.32400  41.67400   0.700    5                                
    6  76.59900  26.24000  44.27900   0.700    6                                
    7  76.63500  25.91200  45.77600   0.700    7                                
    8  75.49600  27.21900  43.97400   0.700    8                                
    9  78.17400  25.33100  40.26100   0.700    9                                
   10  78.00400  26.62400  42.24900   0.700   10                                
   11  77.61700  25.16300  46.14400   0.700   11                                
   12  78.13100  26.30900  38.20700   0.700   12                                
   13  78.22600  24.29600  42.30900   0.700   13                                
   14  75.79400  26.40800  46.49000   0.700   14                                
   15  77.71300  29.33700  39.16900   0.700   15