cluster     1   number of spheres in cluster    21
    1 -15.53900 -12.03300 -29.50800   0.700    1                                
    2 -16.36100 -11.21400 -30.27200   0.700    2                                
    3 -13.66100 -11.42700 -30.86700   0.700    3                                
    4 -14.78000 -16.29200 -28.44600   0.700    4                                
    5 -14.98700 -14.95700 -26.46900   0.700    5                                
    6 -15.88700 -17.30800 -26.37100   0.700    6                                
    7 -14.18200 -12.13800 -29.79800   0.700    7                                
    8 -15.83400 -10.50300 -31.33600   0.700    8                                
    9 -15.17800 -16.16600 -27.12200   0.700    9                                
   10 -14.48200 -10.61000 -31.63300   0.700   10                                
   11 -14.16400 -15.22500 -29.10200   0.700   11                                
   12 -14.38800 -13.88500 -27.12000   0.700   12                                
   13 -13.96300 -14.01100 -28.44000   0.700   13                                
   14 -15.06100 -18.55400 -26.02400   0.700   14                                
   15 -16.63500  -9.70600 -32.08200   0.700   15                                
   16 -15.68300 -19.64700 -26.08800   0.700   16                                
   17 -13.88700 -18.38800 -25.62300   0.700   17                                
   18 -13.36000 -12.94500 -29.06200   0.700   18                                
   19 -13.64000  -9.53400 -33.23200   0.700   19                                
   20 -13.55500 -15.47500 -31.11200   0.700   20                                
   21 -14.07400 -12.07600 -26.09300   0.700   21