cluster     1   number of spheres in cluster    18
    1  -1.72000  50.30000  10.13200   0.700    1                                
    2   0.34300  51.95400   9.06000   0.700    2                                
    3  -1.26600  50.10700   8.80700   0.700    3                                
    4  -0.23600  50.93300   8.27200   0.700    4                                
    5  -1.14100  51.31600  10.90900   0.700    5                                
    6  -0.11600  52.13900  10.37700   0.700    6                                
    7  -1.35200  48.76900   6.74400   0.700    7                                
    8  -0.24100  49.66300   6.16800   0.700    8                                
    9  -1.77300  49.06500   8.01700   0.700    9                                
   10   0.22500  50.67000   6.97800   0.700   10                                
   11  -1.68000  51.54200  12.27000   0.700   11                                
   12   0.52200  53.18800  11.20000   0.700   12                                
   13  -1.95200  48.00500   6.01200   0.700   13                                
   14   0.08200  49.54700   5.00500   0.700   14                                
   15  -2.04300  52.67800  12.53300   0.700   15                                
   16  -2.06500  50.55300  12.87800   0.700   16                                
   17   0.89700  52.85300  12.31200   0.700   17                                
   18   0.94400  54.17100  10.61100   0.700   18