cluster     1   number of spheres in cluster    21
    1  41.99100  -4.12700  34.84900   0.700    1                                
    2  44.30400  -1.70600  26.11300   0.700    2                                
    3  44.18100  -1.00100  27.31200   0.700    3                                
    4  42.59400  -3.10000  32.61000   0.700    4                                
    5  42.50700  -1.67700  34.55300   0.700    5                                
    6  43.54000  -3.75000  27.19200   0.700    6                                
    7  43.05500  -3.35900  29.65900   0.700    7                                
    8  42.37500  -2.92900  33.97900   0.700    8                                
    9  43.99200  -3.08500  26.02300   0.700    9                                
   10  43.75300  -1.67800  28.42000   0.700   10                                
   11  43.44100  -2.99800  28.37500   0.700   11                                
   12  42.94400  -2.01800  31.80100   0.700   12                                
   13  42.85400  -0.60200  33.76300   0.700   13                                
   14  43.17000  -2.19500  30.42300   0.700   14                                
   15  43.07600  -0.74500  32.39500   0.700   15                                
   16  44.15500  -3.75300  24.78400   0.700   16                                
   17  44.61800  -3.06700  23.75600   0.700   17                                
   18  43.85300  -5.02800  24.67000   0.700   18                                
   19  43.58000  -1.23700  29.63000   0.700   19                                
   20  43.39800   0.37200  31.63900   0.700   20                                
   21  43.08900   1.10800  34.63700   0.700   21