cluster     1   number of spheres in cluster    20
    1  13.53200  50.53000 -52.21800   0.700    1                                
    2  14.20900  50.26500 -53.41600   0.700    2                                
    3  14.82300  48.57300 -56.40200   0.700    3                                
    4  16.09800  51.25800 -57.43600   0.700    4                                
    5  12.84600  49.45900 -51.50400   0.700    5                                
    6  13.57400  47.94900 -53.30200   0.700    6                                
    7  16.11900  48.75200 -57.18200   0.700    7                                
    8  15.27800  48.86900 -54.97300   0.700    8                                
    9  16.72600  50.07000 -56.69800   0.700    9                                
   10  12.90300  48.21100 -52.11500   0.700   10                                
   11  14.24500  49.03500 -53.91600   0.700   11                                
   12  17.03800  47.70100 -56.79700   0.700   12                                
   13  15.42900  53.48900 -59.46400   0.700   13                                
   14  16.45300  52.29000 -61.27700   0.700   14                                
   15  12.29400  49.61100 -50.41600   0.700   15                                
   16  13.48000  46.81100 -53.74200   0.700   16                                
   17  14.52000  51.40000 -60.18200   0.700   17                                
   18  16.24100  50.01500 -55.26400   0.700   18                                
   19  16.55400  51.30600 -58.84500   0.700   19                                
   20  15.75300  52.14300 -59.95900   0.700   20