cluster     1   number of spheres in cluster    15
    1  -0.43700   2.27200  62.39100   0.700    1                                
    2  -1.77600   1.63600  62.00500   0.700    2                                
    3   2.13700   0.71600  59.03400   0.700    3                                
    4   2.78900  -0.67400  58.82700   0.700    4                                
    5  -1.92300   1.43600  60.49300   0.700    5                                
    6   1.11400   1.14700  57.95800   0.700    6                                
    7   4.10200  -0.75100  58.01500   0.700    7                                
    8   4.58300  -2.18500  57.94800   0.700    8                                
    9  -0.95900  -0.03000  58.78600   0.700    9                                
   10   3.92500  -0.25000  56.67700   0.700   10                                
   11  -1.92500  -0.86100  58.54000   0.700   11                                
   12  -0.87900   0.58200  59.98800   0.700   12                                
   13  -0.01500   0.20900  57.83000   0.700   13                                
   14   4.20700  -3.00800  56.93100   0.700   14                                
   15   5.36900  -2.69300  58.93300   0.700   15