cluster     1   number of spheres in cluster    21
    1  50.38600  28.96800  74.31500   0.700    1                                
    2  52.05900  34.37700  78.05600   0.700    2                                
    3  51.36600  33.72600  77.04700   0.700    3                                
    4  51.23100  32.85000  79.74500   0.700    4                                
    5  49.66900  30.94900  79.18900   0.700    5                                
    6  48.68700  30.55400  78.08100   0.700    6                                
    7  50.42900  31.89700  74.89600   0.700    7                                
    8  49.55100  31.27600  73.80900   0.700    8                                
    9  47.89700  28.49300  75.76500   0.700    9                                
   10  52.01100  33.96800  79.38600   0.700   10                                
   11  50.60100  32.60400  77.33900   0.700   11                                
   12  50.52100  32.15700  78.79700   0.700   12                                
   13  49.78300  31.90000  76.27600   0.700   13                                
   14  49.34600  30.48200  76.72300   0.700   14                                
   15  48.44800  29.92400  75.61100   0.700   15                                
   16  47.53300  28.07900  74.33800   0.700   16                                
   17  48.09300  29.17000  73.40300   0.700   17                                
   18  49.14500  29.86800  74.26400   0.700   18                                
   19  52.68500  34.65700  80.34100   0.700   19                                
   20  46.11100  27.96500  74.23000   0.700   20                                
   21  47.06500  30.08200  73.01900   0.700   21