cluster     1   number of spheres in cluster    20
    1  -8.27500  22.75000 -24.27100   0.700    1                                
    2  -7.12300  21.04900 -22.33400   0.700    2                                
    3  -4.75200  23.07300 -23.99700   0.700    3                                
    4  -4.22800  18.30300 -20.86600   0.700    4                                
    5  -6.90300  22.75000 -24.03500   0.700    5                                
    6  -6.32900  21.90700 -23.07600   0.700    6                                
    7  -9.05800  21.88600 -23.51800   0.700    7                                
    8  -8.48900  21.05000 -22.56700   0.700    8                                
    9  -3.35900  19.47800 -21.24000   0.700    9                                
   10  -3.26100  20.57800 -20.17600   0.700   10                                
   11  -4.20300  21.64700 -20.72100   0.700   11                                
   12  -3.94700  21.51100 -22.21600   0.700   12                                
   13  -5.90000  23.46200 -24.58900   0.700   13                                
   14  -5.00500  22.12100 -23.08200   0.700   14                                
   15  -3.52500  17.36800 -20.05100   0.700   15                                
   16  -1.93000  21.08900 -20.14400   0.700   16                                
   17  -3.95000  22.95400 -20.25300   0.700   17                                
   18  -3.89300  20.12100 -22.44000   0.700   18                                
   19 -10.83600  21.84000 -23.74600   0.700   19                                
   20  -9.54100  19.95300 -21.62700   0.700   20