cluster     1   number of spheres in cluster    18
    1  -0.49200  32.31900   8.27800   0.700    1                                
    2   0.17200  23.38700  10.32100   0.700    2                                
    3  -0.77800  24.57800  10.59200   0.700    3                                
    4   1.36400  23.99900  11.17100   0.700    4                                
    5  -0.22300  25.57000   9.57000   0.700    5                                
    6   1.84800  25.04700  10.12600   0.700    6                                
    7   1.70600  27.11800   9.11200   0.700    7                                
    8   0.74900  30.40800   8.04900   0.700    8                                
    9   1.30100  31.41900   7.32600   0.700    9                                
   10   1.32700  29.14100   8.05700   0.700   10                                
   11   2.98100  29.96000   6.61400   0.700   11                                
   12   0.97900  26.30300  10.25700   0.700   12                                
   13   4.12200  29.98100   5.88000   0.700   13                                
   14  -0.29200  31.00100   8.61800   0.700   14                                
   15   0.58800  32.52800   7.49000   0.700   15                                
   16   2.39000  31.17000   6.60900   0.700   16                                
   17   2.44500  28.99100   7.34600   0.700   17                                
   18   0.72200  28.16000   8.84100   0.700   18