cluster     1   number of spheres in cluster    21
    1   1.38600  66.95800  67.68700   0.700    1                                
    2   5.87200  61.34400  62.42000   0.700    2                                
    3   2.84300  63.38100  64.93700   0.700    3                                
    4   3.80400  62.67600  64.14900   0.700    4                                
    5   3.83700  67.84100  64.85500   0.700    5                                
    6   2.58800  67.93900  65.77900   0.700    6                                
    7   1.68200  65.58800  65.67300   0.700    7                                
    8   5.21700  68.04000  61.76200   0.700    8                                
    9   2.72900  67.75500  61.32900   0.700    9                                
   10   2.55300  67.31600  62.60500   0.700   10                                
   11   2.71000  64.79500  64.84300   0.700   11                                
   12   4.66600  63.38100  63.22900   0.700   12                                
   13   3.57600  65.46400  63.92100   0.700   13                                
   14   4.51900  64.78500  63.14200   0.700   14                                
   15   4.09900  67.89800  60.67500   0.700   15                                
   16   5.10000  66.91200  62.83800   0.700   16                                
   17   3.69400  66.92600  63.58300   0.700   17                                
   18   2.29000  66.65900  66.53100   0.700   18                                
   19   4.34100  66.73900  59.85100   0.700   19                                
   20   5.28300  65.57700  62.29000   0.700   20                                
   21   5.63900  62.76600  62.41800   0.700   21