cluster     1   number of spheres in cluster    20
    1   2.18700 -40.18900  21.62100   0.700    1                                
    2   2.93800 -35.28500  25.29200   0.700    2                                
    3   4.37000 -34.30200  23.67100   0.700    3                                
    4  -1.78200 -35.84600  20.87900   0.700    4                                
    5  -1.01300 -36.08700  19.73000   0.700    5                                
    6   0.06800 -36.52200  22.30100   0.700    6                                
    7   1.97700 -39.57000  20.26900   0.700    7                                
    8  -1.20400 -36.07800  22.11600   0.700    8                                
    9   0.31600 -36.55400  19.88100   0.700    9                                
   10   0.86200 -36.77100  21.17800   0.700   10                                
   11   2.60500 -38.18100  20.11100   0.700   11                                
   12   2.24400 -37.56000  18.75000   0.700   12                                
   13   3.83000 -35.58100  24.05500   0.700   13                                
   14   3.25200 -36.87300  22.14100   0.700   14                                
   15   1.12900 -36.81000  18.75000   0.700   15                                
   16   2.24100 -37.27100  21.23500   0.700   16                                
   17   2.93700 -37.74100  17.75400   0.700   17                                
   18   4.38100 -37.35000  22.04200   0.700   18                                
   19   2.84200 -36.01800  23.07000   0.700   19                                
   20  -1.93700 -35.90200  23.21000   0.700   20