cluster     1   number of spheres in cluster    21
    1  51.53800  98.83900  29.01600   0.700    1                                
    2  51.08900  98.64400  27.70900   0.700    2                                
    3  51.64200 100.11200  29.58400   0.700    3                                
    4  50.43900 102.16800  26.65100   0.700    4                                
    5  49.99400 101.92000  25.34800   0.700    5                                
    6  54.02300 104.01800  31.64200   0.700    6                                
    7  53.84100 103.90300  33.15700   0.700    7                                
    8  51.29600 103.70100  32.86300   0.700    8                                
    9  53.65900 102.70900  30.93500   0.700    9                                
   10  51.46700 102.35100  32.16200   0.700   10                                
   11  50.72300  99.73300  26.92100   0.700   11                                
   12  50.81500 101.11000  27.47600   0.700   12                                
   13  51.30500 101.27400  28.88200   0.700   13                                
   14  50.23800  99.58100  25.52100   0.700   14                                
   15  49.90400 100.68000  24.82600   0.700   15                                
   16  52.47300 104.14200  33.60000   0.700   16                                
   17  52.19500 102.60000  30.91400   0.700   17                                
   18  50.13700  98.45000  24.99400   0.700   18                                
   19  52.15000 103.61200  28.71900   0.700   19                                
   20  50.12200 103.24200  29.79900   0.700   20                                
   21  51.44000 102.71200  29.58300   0.700   21