cluster     1   number of spheres in cluster    20
    1  31.03000  39.49300  36.77500   0.700    1                                
    2  29.81900  39.64400  37.44900   0.700    2                                
    3  31.82400  38.35300  36.97900   0.700    3                                
    4  29.39500  38.65000  38.32900   0.700    4                                
    5  28.49100  36.14200  41.75100   0.700    5                                
    6  27.12000  36.39400  39.70300   0.700    6                                
    7  27.30500  36.08000  42.51700   0.700    7                                
    8  25.94600  36.34200  40.47800   0.700    8                                
    9  31.82900  35.07900  39.01100   0.700    9                                
   10  30.59500  35.20800  39.68500   0.700   10                                
   11  33.59200  35.81100  37.43000   0.700   11                                
   12  28.43800  36.30500  40.32200   0.700   12                                
   13  26.04500  36.18000  41.87800   0.700   13                                
   14  32.27600  36.08600  38.10700   0.700   14                                
   15  31.46100  37.28300  37.87300   0.700   15                                
   16  30.17200  37.42700  38.59400   0.700   16                                
   17  29.73400  36.34800  39.51500   0.700   17                                
   18  34.40100  36.73200  36.99500   0.700   18                                
   19  24.89300  36.11100  42.59100   0.700   19                                
   20  35.52300  36.13400  36.40800   0.700   20