cluster     1   number of spheres in cluster    21
    1  42.03400  -4.36200  34.93800   0.700    1                                
    2  44.24200  -1.71100  26.24600   0.700    2                                
    3  44.11000  -1.01700  27.44500   0.700    3                                
    4  42.54900  -3.29700  32.64700   0.700    4                                
    5  42.37300  -1.93300  34.60900   0.700    5                                
    6  43.44500  -3.75500  27.29200   0.700    6                                
    7  42.33500  -3.17200  34.02600   0.700    7                                
    8  43.91500  -3.09200  26.14600   0.700    8                                
    9  43.66000  -1.70100  28.53500   0.700    9                                
   10  42.79800  -2.15300  31.85800   0.700   10                                
   11  43.33400  -3.02200  28.46600   0.700   11                                
   12  42.61600  -0.82300  33.83600   0.700   12                                
   13  42.83200  -0.88300  32.46400   0.700   13                                
   14  43.01000  -2.26500  30.48500   0.700   14                                
   15  44.06900  -3.77100  24.92700   0.700   15                                
   16  44.47900  -3.08600  23.87700   0.700   16                                
   17  43.80600  -5.06000  24.86000   0.700   17                                
   18  43.45800  -1.28200  29.74300   0.700   18                                
   19  42.91800  -3.40800  29.70400   0.700   19                                
   20  43.05500   0.28900  31.73800   0.700   20                                
   21  42.63400   0.84300  34.79600   0.700   21