cluster     1   number of spheres in cluster    21
    1 -18.54100  62.29000  30.54700   0.700    1                                
    2 -28.97800  64.99200  24.38900   0.700    2                                
    3 -28.22600  65.91600  23.61400   0.700    3                                
    4 -28.33100  64.21200  25.38600   0.700    4                                
    5 -23.16300  65.01100  27.94200   0.700    5                                
    6 -23.85300  62.57200  27.82000   0.700    6                                
    7 -21.93600  64.58600  28.78200   0.700    7                                
    8 -22.64000  62.22000  28.71700   0.700    8                                
    9 -19.71400  62.63300  29.62300   0.700    9                                
   10 -21.00400  62.98400  30.40800   0.700   10                                
   11 -26.81800  66.07400  23.82400   0.700   11                                
   12 -26.96100  64.35000  25.60600   0.700   12                                
   13 -26.18800  65.28800  24.82000   0.700   13                                
   14 -24.87000  64.26800  26.24900   0.700   14                                
   15 -23.60700  63.87000  27.00300   0.700   15                                
   16 -26.09000  67.06400  22.97500   0.700   16                                
   17 -24.76800  67.16300  23.16200   0.700   17                                
   18 -24.87900  65.18700  25.27700   0.700   18                                
   19 -26.08500  63.73800  26.48600   0.700   19                                
   20 -22.19700  63.35400  29.58700   0.700   20                                
   21 -26.63800  67.77800  22.13800   0.700   21