cluster     1   number of spheres in cluster    20
    1  78.20100  39.05100  21.60300   0.700    1                                
    2  77.96000  37.94000  22.41500   0.700    2                                
    3  78.45300  38.88100  20.24000   0.700    3                                
    4  77.97700  36.65800  21.86200   0.700    4                                
    5  78.47000  37.60200  19.68700   0.700    5                                
    6  74.63100  34.33300  20.21500   0.700    6                                
    7  75.91600  32.26200  19.72700   0.700    7                                
    8  75.83700  35.14800  19.75200   0.700    8                                
    9  77.10000  33.13300  19.31200   0.700    9                                
   10  70.22000  31.33100  18.76900   0.700   10                                
   11  71.46900  30.91400  19.53900   0.700   11                                
   12  69.01100  31.38300  19.69000   0.700   12                                
   13  78.24800  35.11300  19.87500   0.700   13                                
   14  78.22700  36.49100  20.49800   0.700   14                                
   15  74.61000  33.00500  19.46500   0.700   15                                
   16  72.69600  31.59800  18.98100   0.700   16                                
   17  73.47500  32.20500  19.87100   0.700   17                                
   18  77.02200  34.35900  20.10500   0.700   18                                
   19  72.93500  31.57100  17.78200   0.700   19                                
   20  68.94300  33.02200  20.45100   0.700   20