cluster     1   number of spheres in cluster    21
    1 -27.79400   4.33700  -7.68500   0.700    1                                
    2 -26.04700   4.00700  -3.46700   0.700    2                                
    3 -24.02500   1.29600  -6.89800   0.700    3                                
    4 -22.04200   4.27200  -7.83300   0.700    4                                
    5 -21.35700   4.21100  -5.54100   0.700    5                                
    6 -20.74200   4.03000  -8.22500   0.700    6                                
    7 -20.06200   3.97200  -5.93300   0.700    7                                
    8 -25.41200   6.08000  -5.59400   0.700    8                                
    9 -25.63400   3.16600  -7.56100   0.700    9                                
   10 -27.76200   5.42000  -5.43200   0.700   10                                
   11 -22.35900   4.36900  -6.48100   0.700   11                                
   12 -19.74900   3.87000  -7.27300   0.700   12                                
   13 -26.36100   4.49900  -7.26600   0.700   13                                
   14 -25.95000   3.73300  -4.96300   0.700   14                                
   15 -23.81100   4.62700  -6.04000   0.700   15                                
   16 -24.53100   3.38600  -5.44200   0.700   16                                
   17 -24.76900   2.58700  -6.65800   0.700   17                                
   18 -26.37700   4.91600  -5.80000   0.700   18                                
   19 -27.71700   6.28000  -4.30800   0.700   19                                
   20 -18.48200   3.62800  -7.63600   0.700   20                                
   21 -24.08300   5.73100  -5.26400   0.700   21