cluster     1   number of spheres in cluster     6
    1  25.97100  -3.44700   1.36000   0.700    1                                
    2  25.27700  -2.08300   1.38300   0.700    2                                
    3  25.66100  -4.20100   0.06600   0.700    3                                
    4  25.57700  -1.33900   2.68700   0.700    4                                
    5  26.33700  -5.46200   0.07700   0.700    5                                
    6  24.91000  -0.07400   2.67700   0.700    6