cluster     1   number of spheres in cluster    20
    1  -3.30200 101.56200  21.56100   0.700    1                                
    2  -2.95400 102.99900  21.15900   0.700    2                                
    3  -3.62500 103.31900  19.84100   0.700    3                                
    4  -3.78700 104.83900  19.70700   0.700    4                                
    5  -4.47700 105.19000  18.37000   0.700    5                                
    6  -5.95700 104.75500  18.42400   0.700    6                                
    7  -6.84100 106.00200  18.62800   0.700    7                                
    8  -7.38000 106.01300  20.07800   0.700    8                                
    9  -8.61100 105.06200  20.17700   0.700    9                                
   10  -8.87200 104.38700  21.61700   0.700   10                                
   11  -7.85300 104.76800  22.77300   0.700   11                                
   12  -7.51200 103.50400  23.64300   0.700   12                                
   13  -6.54100 103.87300  24.78400   0.700   13                                
   14  -5.12900 103.38300  24.44200   0.700   14                                
   15  -4.05500 104.23000  25.16100   0.700   15                                
   16  -2.84200 103.28300  25.42200   0.700   16                                
   17  -1.82500 103.95600  26.33800   0.700   17                                
   18  -2.29100 103.94700  27.84200   0.700   18                                
   19  -2.80400 104.95500  28.50700   0.700   19                                
   20  -2.12800 102.78100  28.38300   0.700   20