cluster     1   number of spheres in cluster    20
    1  23.69100  -2.30300  -4.33900   0.700    1                                
    2  23.93500  -2.86400  -3.08300   0.700    2                                
    3  23.89700  -0.93700  -4.52600   0.700    3                                
    4  24.39500  -2.06700  -2.02700   0.700    4                                
    5  24.35600  -0.14100  -3.47900   0.700    5                                
    6  27.61500   0.09100  -1.35300   0.700    6                                
    7  26.67200  -0.63000   0.75500   0.700    7                                
    8  28.88700  -0.19700  -0.85900   0.700    8                                
    9  27.95400  -0.91400   1.25300   0.700    9                                
   10  33.47800  -3.70400   0.47400   0.700   10                                
   11  31.96900  -3.42600   0.55400   0.700   11                                
   12  34.12100  -2.55400   1.25000   0.700   12                                
   13  25.09700   0.19800  -1.07100   0.700   13                                
   14  30.56300  -1.82100   2.00500   0.700   14                                
   15  24.61400  -0.69600  -2.21500   0.700   15                                
   16  26.50300  -0.13700  -0.54100   0.700   16                                
   17  29.06900  -0.70400   0.43200   0.700   17                                
   18  31.89000  -2.58400   1.83200   0.700   18                                
   19  33.01900  -1.65700   1.66300   0.700   19                                
   20  30.35600  -0.97400   0.83400   0.700   20