cluster     1   number of spheres in cluster    20
    1 -31.83500   4.65300 -50.98000   0.700    1                                
    2 -32.65900   4.33600 -49.89100   0.700    2                                
    3 -30.76300   6.36600 -49.65900   0.700    3                                
    4 -32.62800   6.57000 -46.37400   0.700    4                                
    5 -30.90000   5.67400 -50.83600   0.700    5                                
    6 -32.53700   5.03300 -48.68500   0.700    6                                
    7 -31.57100   6.05100 -48.56400   0.700    7                                
    8 -33.02300   5.04900 -46.36000   0.700    8                                
    9 -30.07300   6.48000 -46.61200   0.700    9                                
   10 -29.98900   8.62300 -47.11200   0.700   10                                
   11 -34.13500   4.79600 -45.31000   0.700   11                                
   12 -31.39900   6.83500 -47.30000   0.700   12                                
   13 -35.34100   4.46600 -45.74400   0.700   13                                
   14 -29.35300   7.60700 -46.56700   0.700   14                                
   15 -31.17700   8.24800 -47.55300   0.700   15                                
   16 -29.75200   5.36200 -46.19400   0.700   16                                
   17 -29.54500   9.75900 -47.20800   0.700   17                                
   18 -33.89400   4.89800 -44.12100   0.700   18                                
   19 -33.40700   4.65300 -47.67300   0.700   19                                
   20 -30.11900   5.99400 -51.86200   0.700   20