cluster     1   number of spheres in cluster    28
    1   8.31800   1.77900  17.70900   0.700    1                                
    2   9.75200   3.72200  18.17600   0.700    2                                
    3   8.08700   2.26900  16.40500   0.700    3                                
    4   9.52400   4.21600  16.87400   0.700    4                                
    5  15.86600   0.20100  15.51200   0.700    5                                
    6  17.17100   0.30500  15.07700   0.700    6                                
    7  15.80900  -3.85800  15.39100   0.700    7                                
    8  12.27800  -2.26600  16.76600   0.700    8                                
    9  13.44200  -0.14300  17.12900   0.700    9                                
   10  10.92000  -1.59100  17.07900   0.700   10                                
   11  12.09100   0.56900  17.40100   0.700   11                                
   12   9.41300   1.98400  19.98700   0.700   12                                
   13  11.26500   0.71100  21.32900   0.700   13                                
   14   9.14500   2.51400  18.59100   0.700   14                                
   15   8.69000   3.48400  15.99500   0.700   15                                
   16  15.66700  -1.21800  15.52900   0.700   16                                
   17  16.81800  -1.89400  15.11900   0.700   17                                
   18  14.53500  -1.99100  15.88200   0.700   18                                
   19  10.65600   1.06100  19.95400   0.700   19                                
   20  10.41200  -0.20000  19.08200   0.700   20                                
   21  12.23400  -0.40800  21.27400   0.700   21                                
   22  17.74600  -0.95300  14.84000   0.700   22                                
   23  16.93800  -3.22400  15.03200   0.700   23                                
   24  14.63700  -3.33500  15.80500   0.700   24                                
   25  13.37000  -1.37600  16.31100   0.700   25                                
   26  11.05800  -0.36700  17.89700   0.700   26                                
   27   9.54600  -0.99500  19.46200   0.700   27                                
   28   8.40600   4.07400  14.39600   0.700   28