cluster     1   number of spheres in cluster    13
    1  -5.14200   7.18800  12.73500   0.700    1                                
    2  -4.63900   4.35700  15.04100   0.700    2                                
    3  -5.19300   2.45600  16.15200   0.700    3                                
    4  -5.45200   6.00000  13.64300   0.700    4                                
    5  -4.63500  -0.13300  16.84700   0.700    5                                
    6  -3.57800   3.83800  15.55200   0.700    6                                
    7  -3.91500   2.68900  16.21500   0.700    7                                
    8  -4.42100   5.39400  14.27300   0.700    8                                
    9  -6.62700   5.64700  13.74600   0.700    9                                
   10  -5.87200   1.37600  18.28300   0.700   10                                
   11  -7.23300   0.51600  16.80200   0.700   11                                
   12  -6.13800   3.58700  15.32700   0.700   12                                
   13  -5.81200   0.96100  16.88200   0.700   13