cluster     1   number of spheres in cluster    21
    1  42.34300  -4.19300  34.76100   0.700    1                                
    2  44.64600  -1.68700  26.00300   0.700    2                                
    3  44.57200  -1.00700  27.21400   0.700    3                                
    4  42.91600  -3.16100  32.48300   0.700    4                                
    5  42.83700  -1.81700  34.49300   0.700    5                                
    6  43.74700  -3.69200  27.05400   0.700    6                                
    7  43.29200  -3.31000  29.50900   0.700    7                                
    8  42.70700  -3.02500  33.87800   0.700    8                                
    9  44.24400  -3.03700  25.88300   0.700    9                                
   10  44.10100  -1.66900  28.31800   0.700   10                                
   11  43.69700  -2.95700  28.24600   0.700   11                                
   12  43.26400  -2.04700  31.70000   0.700   12                                
   13  43.17400  -0.74800  33.73600   0.700   13                                
   14  43.48100  -2.18200  30.30700   0.700   14                                
   15  43.39300  -0.81500  32.34600   0.700   15                                
   16  44.35200  -3.69500  24.60900   0.700   16                                
   17  43.98900  -4.96000  24.45000   0.700   17                                
   18  44.82800  -2.99800  23.59700   0.700   18                                
   19  43.95700  -1.23900  29.54400   0.700   19                                
   20  43.72200   0.33300  31.64200   0.700   20                                
   21  43.36200   0.88200  34.71700   0.700   21