cluster     1   number of spheres in cluster    11
    1  -2.80300   5.00200  12.36900   0.700    1                                
    2  -4.04200   3.49000  11.38100   0.700    2                                
    3  -0.66900   4.70300  11.00500   0.700    3                                
    4  -2.09300   4.40500  11.39100   0.700    4                                
    5   0.25900   3.59700  11.52200   0.700    5                                
    6   1.69200   3.88400  11.10000   0.700    6                                
    7  -0.17900   2.29300  11.01100   0.700    7                                
    8  -2.87800   3.48600  10.80500   0.700    8                                
    9  -4.04200   4.42100  12.36500   0.700    9                                
   10   2.55200   4.46900  11.94600   0.700   10                                
   11   2.06200   3.58300   9.98600   0.700   11