cluster     1   number of spheres in cluster    23
    1  -2.81600  -0.69500  10.76700   0.700    1                                
    2  -1.99400   0.43400  10.70000   0.700    2                                
    3  -4.07500  -0.61100  11.36400   0.700    3                                
    4  -2.41400   1.65800  11.24900   0.700    4                                
    5  -4.49300   0.60500  11.89500   0.700    5                                
    6  -5.97900   3.63500  16.03000   0.700    6                                
    7  -5.70200   4.63500  15.10400   0.700    7                                
    8  -5.02000   1.95800  14.59600   0.700    8                                
    9  -3.68400   1.75800  11.83300   0.700    9                                
   10  -5.62800   2.30500  15.79800   0.700   10                                
   11  -5.08200   4.30000  13.91500   0.700   11                                
   12  -4.74600   2.96900  13.66300   0.700   12                                
   13  -4.15700   2.95100  12.41000   0.700   13                                
   14  -4.16100   4.28100  11.95200   0.700   14                                
   15  -3.63400   4.91300  10.64500   0.700   15                                
   16  -4.20700   2.96500   9.47900   0.700   16                                
   17  -5.65200  -0.13800  16.40700   0.700   17                                
   18  -4.71300   5.06000  12.88000   0.700   18                                
   19  -3.70400   4.21000   9.53300   0.700   19                                
   20  -3.17600   6.05700  10.66800   0.700   20                                
   21  -7.55100   1.01300  17.02900   0.700   21                                
   22  -5.20900   0.87400  18.21800   0.700   22                                
   23  -6.10200   1.25200  17.11600   0.700   23