cluster     1   number of spheres in cluster    19
    1   1.50200  20.29500  39.18700   0.700    1                                
    2   2.58600  20.00400  40.00500   0.700    2                                
    3   4.54300  19.38900  36.10800   0.700    3                                
    4   9.27600  20.01500  36.54300   0.700    4                                
    5   1.62000  20.24600  37.81600   0.700    5                                
    6   2.83400  19.90400  37.28800   0.700    6                                
    7   3.85700  19.62600  38.12900   0.700    7                                
    8   8.39300  19.03900  37.31300   0.700    8                                
    9   7.86300  17.88800  36.45400   0.700    9                                
   10   6.55400  17.52300  37.13100   0.700   10                                
   11   6.14200  18.78500  37.88900   0.700   11                                
   12   0.56800  20.52300  37.04100   0.700   12                                
   13   3.74900  19.67500  39.46500   0.700   13                                
   14   3.28000  19.82900  36.00600   0.700   14                                
   15   4.92000  19.27400  37.39400   0.700   15                                
   16   8.62200  20.51900  35.37500   0.700   16                                
   17   8.75600  16.77100  36.37200   0.700   17                                
   18   6.92900  16.61100  38.15100   0.700   18                                
   19   7.22800  19.71300  37.80900   0.700   19