cluster     1   number of spheres in cluster    18
    1  -0.82200  31.51800   8.63500   0.700    1                                
    2  -0.31100  25.19600  10.36100   0.700    2                                
    3  -0.12500  23.72800  10.64700   0.700    3                                
    4   1.44000  26.71900   9.41500   0.700    4                                
    5   0.28600  29.80400   8.31000   0.700    5                                
    6   0.85800  30.79500   7.48400   0.700    6                                
    7   0.82300  28.47400   8.24200   0.700    7                                
    8   2.41800  29.28700   6.72900   0.700    8                                
    9   1.07700  25.83300  10.59000   0.700    9                                
   10   1.37200  23.53000  10.66000   0.700   10                                
   11   3.48500  29.11500   5.93600   0.700   11                                
   12  -0.74200  30.26700   9.01100   0.700   12                                
   13   0.13600  31.85900   7.75200   0.700   13                                
   14   1.89900  30.50200   6.73200   0.700   14                                
   15   1.89300  28.27600   7.47800   0.700   15                                
   16   2.04100  24.73000  10.63900   0.700   16                                
   17   1.83800  22.39900  10.69100   0.700   17                                
   18   0.30200  27.52000   9.02000   0.700   18