cluster     1   number of spheres in cluster    21
    1   9.46500  35.80500  72.44300   0.700    1                                
    2   9.24800  37.18700  72.45100   0.700    2                                
    3   8.87600  35.02200  71.46400   0.700    3                                
    4   8.43900  37.77000  71.47900   0.700    4                                
    5   8.08500  35.61800  70.50100   0.700    5                                
    6   9.58800  39.78400  66.67000   0.700    6                                
    7   8.27700  41.70900  67.28700   0.700    7                                
    8   8.80100  38.97500  67.48500   0.700    8                                
    9   7.50600  40.90600  68.09600   0.700    9                                
   10  13.43200  42.67900  64.40600   0.700   10                                
   11  11.94800  42.87800  64.68000   0.700   11                                
   12  13.72600  41.85700  63.16200   0.700   12                                
   13   6.91700  37.47000  69.35800   0.700   13                                
   14   7.84200  36.98300  70.47800   0.700   14                                
   15   9.33400  41.16500  66.58400   0.700   15                                
   16   7.74700  39.54300  68.18300   0.700   16                                
   17  11.29500  41.74900  65.42400   0.700   17                                
   18  13.42300  40.45700  63.42900   0.700   18                                
   19  10.08900  42.03700  65.88200   0.700   19                                
   20  11.84000  40.67400  65.59100   0.700   20                                
   21   6.89600  38.85200  69.00100   0.700   21