cluster     1   number of spheres in cluster    20
    1  15.41100  49.38800 -51.39500   0.700    1                                
    2  15.67100  49.56200 -52.75100   0.700    2                                
    3  15.18300  48.47300 -56.26400   0.700    3                                
    4  16.19400  51.19200 -57.73900   0.700    4                                
    5  14.56200  48.29000 -50.96100   0.700    5                                
    6  14.31000  47.64900 -53.33300   0.700    6                                
    7  16.30500  48.70900 -57.26400   0.700    7                                
    8  15.88400  48.86900 -54.96300   0.700    8                                
    9  16.89500  50.09000 -56.92900   0.700    9                                
   10  14.05200  47.49300 -51.98200   0.700   10                                
   11  15.17200  48.73300 -53.66200   0.700   11                                
   12  17.30400  47.69300 -56.97000   0.700   12                                
   13  15.61900  53.36700 -59.86200   0.700   13                                
   14  16.42000  51.97000 -61.65400   0.700   14                                
   15  14.30300  48.02800 -49.78700   0.700   15                                
   16  13.76500  46.86400 -54.11000   0.700   16                                
   17  14.53700  51.30400 -60.37600   0.700   17                                
   18  16.51100  50.15800 -55.45600   0.700   18                                
   19  16.59100  51.15600 -59.17400   0.700   19                                
   20  15.82600  51.97400 -60.30200   0.700   20