cluster     1   number of spheres in cluster    13
    1  -1.55300   8.84600  14.80900   0.700    1                                
    2  -1.08900   7.87100  13.75600   0.700    2                                
    3  -2.17900   6.99600  13.16300   0.700    3                                
    4  -2.88100   6.10300  14.15800   0.700    4                                
    5  -3.68800   4.99900  13.53000   0.700    5                                
    6  -4.80300   4.49400  14.41500   0.700    6                                
    7  -5.39800   3.17700  13.97700   0.700    7                                
    8  -4.65800   1.95100  14.49300   0.700    8                                
    9  -5.27100  -0.55400  16.06100   0.700    9                                
   10  -7.04600   1.11700  16.28200   0.700   10                                
   11  -5.36500   0.88300  18.02800   0.700   11                                
   12  -4.78900   1.93900  15.95900   0.700   12                                
   13  -5.70600   0.84700  16.65200   0.700   13