cluster     1   number of spheres in cluster    27
    1 -20.76800   1.12500   1.04200   0.700    1                                
    2 -21.30400  -1.26800   5.67900   0.700    2                                
    3 -19.33100  -2.48000   4.77500   0.700    3                                
    4 -16.29100   1.15000   5.79200   0.700    4                                
    5 -18.18200   2.25500   6.95300   0.700    5                                
    6 -18.24200   5.42900   0.10800   0.700    6                                
    7 -17.72700   4.15800  -0.20700   0.700    7                                
    8 -20.15800   0.09700   3.25900   0.700    8                                
    9 -19.26800   4.50700   2.08500   0.700    9                                
   10 -18.33800   2.08300   3.87000   0.700   10                                
   11 -19.19900  -1.00900   6.81700   0.700   11                                
   12 -17.87600  -0.27100   6.92400   0.700   12                                
   13 -19.55700   6.85600   1.65400   0.700   13                                
   14 -18.90200   8.06000   1.37300   0.700   14                                
   15 -19.94900   1.13800   2.35000   0.700   15                                
   16 -19.03000   5.61000   1.25700   0.700   16                                
   17 -17.98700   3.06200   0.63100   0.700   17                                
   18 -18.77200   3.23200   1.78100   0.700   18                                
   19 -19.03000   2.15100   2.65000   0.700   19                                
   20 -19.48100   0.02600   4.48100   0.700   20                                
   21 -18.55400   1.04100   4.79700   0.700   21                                
   22 -19.33900   9.33300   1.77400   0.700   22                                
   23 -19.79800  -1.16900   5.42700   0.700   23                                
   24 -17.75500   1.03600   6.12100   0.700   24                                
   25 -17.48500   1.82200   0.34000   0.700   25                                
   26 -18.62700  10.30700   1.44300   0.700   26                                
   27 -20.38800   9.45200   2.43900   0.700   27