cluster     1   number of spheres in cluster    19
    1  -9.72400  12.62600  20.59100   0.700    1                                
    2  -7.55200  15.45500  21.79600   0.700    2                                
    3 -11.00500  14.15300  22.00600   0.700    3                                
    4  -5.89700  15.12900  19.91000   0.700    4                                
    5 -10.98300  13.48300  20.64400   0.700    5                                
    6  -8.46800  13.43800  20.92000   0.700    6                                
    7  -8.60200  14.40400  22.08300   0.700    7                                
    8  -5.63000  15.01700  18.39800   0.700    8                                
    9  -4.15700  15.22600  18.17800   0.700    9                                
   10  -7.91700  16.65300  19.65100   0.700   10                                
   11  -7.35800  15.38900  20.28000   0.700   11                                
   12  -6.01100  13.71900  17.83700   0.700   12                                
   13 -10.95500  14.50700  19.64200   0.700   13                                
   14  -3.48600  14.39400  17.52200   0.700   14                                
   15  -9.10800  16.63000  19.24600   0.700   15                                
   16  -3.66900  16.26900  18.65600   0.700   16                                
   17  -7.16900  17.65200  19.55700   0.700   17                                
   18  -9.88600  15.04100  22.09200   0.700   18                                
   19  -8.13300  14.27000  19.82000   0.700   19