cluster     1   number of spheres in cluster    21
    1   0.67500  62.62900   5.82800   0.700    1                                
    2  -1.84200  66.70200   5.51400   0.700    2                                
    3   2.70800  63.89900   3.85200   0.700    3                                
    4   1.83300  65.04700   3.29200   0.700    4                                
    5   0.02800  67.62600   3.48600   0.700    5                                
    6  -1.20300  68.41200   2.99600   0.700    6                                
    7  -1.71700  63.75200   4.32500   0.700    7                                
    8   0.66600  59.83800   4.33900   0.700    8                                
    9  -2.61900  64.90400   3.89000   0.700    9                                
   10  -0.10600  61.11100   3.91300   0.700   10                                
   11   2.84300  61.30300   4.09100   0.700   11                                
   12   2.00700  62.52200   3.58300   0.700   12                                
   13   0.41200  65.08000   3.94700   0.700   13                                
   14  -0.47100  66.18200   3.36000   0.700   14                                
   15  -0.28400  63.69700   3.70100   0.700   15                                
   16  -2.40700  67.42200   3.13500   0.700   16                                
   17   2.15100  60.01900   3.85600   0.700   17                                
   18   0.55200  62.47500   4.25500   0.700   18                                
   19  -1.91100  66.27700   3.99400   0.700   19                                
   20  -3.53200  68.12100   3.70300   0.700   20                                
   21   2.69100  59.04600   3.28800   0.700   21