cluster     1   number of spheres in cluster    13
    1  -8.76800  16.91500   2.96000   0.700    1                                
    2  -7.38400  17.20000   2.98900   0.700    2                                
    3  -9.68800  17.83700   3.48100   0.700    3                                
    4  -6.92000  18.41000   3.53800   0.700    4                                
    5  -9.22900  19.05200   4.03500   0.700    5                                
    6  -6.03200  22.76000   4.03400   0.700    6                                
    7  -7.49300  23.16300   4.18700   0.700    7                                
    8  -5.99000  21.23600   4.03700   0.700    8                                
    9  -8.29100  21.87400   4.41100   0.700    9                                
   10  -7.02800  20.57100   6.22700   0.700   10                                
   11  -7.83500  19.37000   4.07700   0.700   11                                
   12  -7.29300  20.72800   4.69400   0.700   12                                
   13  -7.09900  19.18900   6.73400   0.700   13