cluster     1   number of spheres in cluster    21
    1  98.06000  50.29200  19.78700   0.700    1                                
    2  91.62400  52.64700  25.52100   0.700    2                                
    3  94.89900  52.53400  22.63300   0.700    3                                
    4  93.73200  52.81900  23.39500   0.700    4                                
    5  94.95800  48.27700  20.92100   0.700    5                                
    6  95.97400  48.92300  19.93200   0.700    6                                
    7  96.30300  51.14600  21.11400   0.700    7                                
    8  91.96500  47.37800  21.59400   0.700    8                                
    9  91.86000  48.88800  19.45400   0.700    9                                
   10  93.02600  49.49200  19.84600   0.700   10                                
   11  95.03700  51.34800  21.88600   0.700   11                                
   12  92.65300  51.89900  23.44100   0.700   12                                
   13  93.95100  50.45200  21.92800   0.700   13                                
   14  92.79200  50.73000  22.69900   0.700   14                                
   15  91.06900  47.92600  20.38100   0.700   15                                
   16  92.69500  48.58400  22.20300   0.700   16                                
   17  93.72600  49.17600  21.21800   0.700   17                                
   18  96.70900  50.16500  20.32200   0.700   18                                
   19  89.99800  48.72900  20.87700   0.700   19                                
   20  91.82800  49.69800  22.62400   0.700   20                                
   21  91.45800  52.08200  24.20700   0.700   21