cluster     1   number of spheres in cluster    21
    1  37.00600  25.34600  33.10300   0.700    1                                
    2  37.63400  24.87400  31.95300   0.700    2                                
    3  35.61200  25.39100  33.17700   0.700    3                                
    4  36.86300  24.44100  30.86800   0.700    4                                
    5  34.84200  24.95500  32.09500   0.700    5                                
    6  35.23100  23.34500  28.61200   0.700    6                                
    7  32.31900  19.56500  27.96700   0.700    7                                
    8  35.46800  24.47800  30.94100   0.700    8                                
    9  34.70200  24.05400  29.85200   0.700    9                                
   10  32.49700  21.02300  27.52400   0.700   10                                
   11  32.59000  21.19600  25.99300   0.700   11                                
   12  32.83200  22.66300  25.61100   0.700   12                                
   13  34.05500  23.22500  26.36700   0.700   13                                
   14  33.95700  22.92600  27.88300   0.700   14                                
   15  33.38900  24.22400  29.70900   0.700   15                                
   16  33.30600  18.76000  27.31300   0.700   16                                
   17  31.39400  20.72400  25.36400   0.700   17                                
   18  33.03300  22.74600  24.19400   0.700   18                                
   19  34.18800  24.63900  26.13400   0.700   19                                
   20  33.72500  21.51200  28.12000   0.700   20                                
   21  32.90300  23.70200  28.47300   0.700   21