cluster     1   number of spheres in cluster    20
    1  32.31700  -7.31800   3.25300   0.700    1                                
    2  35.22900  -3.50500   1.32000   0.700    2                                
    3  30.53900  -3.52300  -0.44200   0.700    3                                
    4  31.55100  -4.14800   0.27800   0.700    4                                
    5  31.25500  -3.16000   3.67000   0.700    5                                
    6  32.31200  -4.01600   3.63400   0.700    6                                
    7  33.69100  -6.64700   3.10100   0.700    7                                
    8  35.04300  -4.61400   2.33200   0.700    8                                
    9  30.78000  -3.11900   2.29900   0.700    9                                
   10  29.61200  -2.70000   0.26500   0.700   10                                
   11  31.70500  -4.00000   1.65700   0.700   11                                
   12  29.75900  -2.45400   1.61700   0.700   12                                
   13  28.73600  -1.53100   2.21800   0.700   13                                
   14  27.74200  -1.10800   0.17600   0.700   14                                
   15  33.69300  -5.38700   2.20900   0.700   15                                
   16  28.69600  -1.25400   3.51700   0.700   16                                
   17  26.85600  -0.47300  -0.57500   0.700   17                                
   18  28.60400  -2.00300  -0.48400   0.700   18                                
   19  27.86200  -0.94000   1.48600   0.700   19                                
   20  32.55100  -4.43400   2.46800   0.700   20