cluster     1   number of spheres in cluster    21
    1  44.21800   1.18500  39.14300   0.700    1                                
    2  44.03900   2.32500  39.96300   0.700    2                                
    3  44.94600  -0.09900  41.07800   0.700    3                                
    4  46.94200  -1.25200  35.84600   0.700    4                                
    5  44.58600  -1.49300  35.23400   0.700    5                                
    6  46.24500  -1.42000  33.39800   0.700    6                                
    7  44.68000  -0.03200  39.72600   0.700    7                                
    8  44.32000   2.23100  41.35300   0.700    8                                
    9  45.89400  -1.39600  34.85300   0.700    9                                
   10  44.78400   0.99200  41.90300   0.700   10                                
   11  46.60000  -1.20400  37.20900   0.700   11                                
   12  44.24400  -1.44700  36.64000   0.700   12                                
   13  45.26100  -1.29800  37.64000   0.700   13                                
   14  46.30600  -2.84000  32.71600   0.700   14                                
   15  44.15500   3.33600  42.20300   0.700   15                                
   16  45.68300  -3.78500  33.27000   0.700   16                                
   17  46.97800  -2.92100  31.65800   0.700   17                                
   18  44.87900  -1.23200  38.99400   0.700   18                                
   19  45.20100   0.81700  43.90800   0.700   19                                
   20  48.13300  -1.17000  38.66900   0.700   20                                
   21  42.21600  -1.51500  37.24700   0.700   21