cluster     1   number of spheres in cluster    21
    1  51.07100  48.11300  25.03400   0.700    1                                
    2  51.08300  47.84700  27.41700   0.700    2                                
    3  50.39300  48.75700  31.03600   0.700    3                                
    4  53.04300  47.88200  26.31000   0.700    4                                
    5  54.12500  48.17100  25.36000   0.700    5                                
    6  53.19400  47.01800  27.33400   0.700    6                                
    7  55.38600  46.53500  26.77400   0.700    7                                
    8  50.61200  47.25500  31.27200   0.700    8                                
    9  52.08300  46.78900  31.63300   0.700    9                                
   10  52.71900  46.19100  30.29500   0.700   10                                
   11  51.61400  46.20700  29.24400   0.700   11                                
   12  56.64000  45.82500  27.00500   0.700   12                                
   13  55.28000  47.42500  25.69900   0.700   13                                
   14  54.33200  46.33000  27.59800   0.700   14                                
   15  51.76300  48.44300  26.28100   0.700   15                                
   16  51.93900  46.99500  28.05200   0.700   16                                
   17  50.94900  49.23900  29.77600   0.700   17                                
   18  52.11200  45.75000  32.69900   0.700   18                                
   19  53.16800  44.80400  30.43800   0.700   19                                
   20  50.38200  46.77100  29.89700   0.700   20                                
   21  54.06900  49.30100  23.95400   0.700   21