cluster     1   number of spheres in cluster    19
    1   1.55900 -21.25400   9.12200   0.700    1                                
    2  -0.76100 -14.48000  14.89700   0.700    2                                
    3  -1.82300 -16.44800  15.80400   0.700    3                                
    4  -1.10100 -13.77800  16.05100   0.700    4                                
    5  -2.16700 -15.74500  16.96700   0.700    5                                
    6  -0.41000 -20.86700  12.25500   0.700    6                                
    7  -1.54300 -19.72100  10.39700   0.700    7                                
    8   0.93400 -20.85700  11.52300   0.700    8                                
    9  -0.24000 -19.57100   9.61200   0.700    9                                
   10  -0.74400 -16.54700  13.53500   0.700   10                                
   11  -1.12100 -15.82000  14.77200   0.700   11                                
   12  -1.80700 -14.39800  17.08500   0.700   12                                
   13  -1.29200 -19.66900  11.90100   0.700   13                                
   14  -2.15700 -13.60100  18.30800   0.700   14                                
   15  -2.83800 -14.15800  19.30600   0.700   15                                
   16  -1.80100 -12.38400  18.38600   0.700   16                                
   17  -1.01300 -17.77100  13.39200   0.700   17                                
   18   0.72800 -20.56000  10.10100   0.700   18                                
   19  -0.65500 -18.42900  12.25100   0.700   19