cluster     1   number of spheres in cluster    20
    1  15.89200 -27.99600  24.61500   0.700    1                                
    2  16.36400 -29.03800  23.80500   0.700    2                                
    3  15.17000 -28.29000  25.78200   0.700    3                                
    4  16.09700 -30.37800  24.12500   0.700    4                                
    5  14.29500 -31.61500  26.97400   0.700    5                                
    6  15.36800 -33.16100  25.15700   0.700    6                                
    7  14.92300 -29.63200  26.09000   0.700    7                                
    8  15.00400 -31.86400  25.80600   0.700    8                                
    9  15.38800 -34.36200  26.07900   0.700    9                                
   10  14.24300 -30.22400  27.15300   0.700   10                                
   11  15.36700 -30.63400  25.25900   0.700   11                                
   12  14.14000 -34.44900  26.75900   0.700   12                                
   13  16.79500 -35.46500  28.14300   0.700   13                                
   14  18.05500 -34.04800  26.54200   0.700   14                                
   15  15.59200 -37.05500  26.02200   0.700   15                                
   16  17.00700 -35.80700  24.41600   0.700   16                                
   17  16.54500 -33.01800  28.18200   0.700   17                                
   18  14.66600 -35.86200  23.96200   0.700   18                                
   19  16.74900 -34.21200  27.28600   0.700   19                                
   20  15.64000 -35.86400  25.08900   0.700   20