cluster     1   number of spheres in cluster    13
    1  -6.81100  26.07700   1.15200   0.700    1                                
    2  -6.57500  26.58300  -1.28400   0.700    2                                
    3  -3.64100  25.01700  -0.11000   0.700    3                                
    4  -2.64400  24.14400  -0.29300   0.700    4                                
    5  -5.58000  23.73200  -0.55600   0.700    5                                
    6  -4.96700  24.88900  -0.22100   0.700    6                                
    7  -2.73100  22.82400  -0.58800   0.700    7                                
    8  -5.10500  22.49200  -0.84400   0.700    8                                
    9  -3.81900  22.06400  -0.89600   0.700    9                                
   10  -5.82000  26.17300   0.00600   0.700   10                                
   11  -1.57600  22.20700  -0.67900   0.700   11                                
   12  -6.10400  21.66400  -1.16600   0.700   12                                
   13  -3.55200  20.87200  -1.14300   0.700   13