cluster     1   number of spheres in cluster    10
    1  -4.83600   3.38800  14.53400   0.700    1                                
    2  -4.51800   2.09200  14.93900   0.700    2                                
    3  -6.58900   3.55000  16.14600   0.700    3                                
    4  -5.84100   4.09600  15.13000   0.700    4                                
    5  -5.28300   1.51500  15.97000   0.700    5                                
    6  -6.30300   2.25100  16.54900   0.700    6                                
    7  -6.12000   5.36300  14.70300   0.700    7                                
    8  -7.01000   1.75300  17.48300   0.700    8                                
    9  -6.15400  -0.27600  17.32200   0.700    9                                
   10  -4.92900  -0.07700  16.53100   0.700   10