cluster     1   number of spheres in cluster    15
    1  -0.72500 -28.84600  -9.12200   0.700    1                                
    2  -0.82600 -33.07500 -13.02600   0.700    2                                
    3  -0.90000 -34.46900 -12.71800   0.700    3                                
    4  -0.78000 -32.45300 -10.62700   0.700    4                                
    5  -0.17000 -28.93300 -10.51300   0.700    5                                
    6  -0.76500 -32.08000 -11.99000   0.700    6                                
    7  -0.91500 -34.88200 -11.35800   0.700    7                                
    8  -0.85500 -33.80500 -10.30000   0.700    8                                
    9  -0.96200 -36.01200  -9.38700   0.700    9                                
   10  -0.68400 -30.61900 -12.33000   0.700   10                                
   11  -1.00300 -37.10300  -8.58300   0.700   11                                
   12  -0.97600 -36.11200 -10.75200   0.700   12                                
   13  -0.27600 -30.24900 -13.42800   0.700   13                                
   14  -1.11100 -29.61800 -11.33500   0.700   14                                
   15  -0.88100 -34.39900  -8.75200   0.700   15