cluster     1   number of spheres in cluster    10
    1   5.99900 -15.36000  20.37800   0.700    1                                
    2   7.48700 -15.58300  20.60300   0.700    2                                
    3   5.61200 -15.24700  18.91200   0.700    3                                
    4   7.98300 -16.97400  20.14800   0.700    4                                
    5   4.12200 -15.51600  18.74400   0.700    5                                
    6   5.95100 -13.89100  18.38600   0.700    6                                
    7   9.21100 -17.16000  19.96800   0.700    7                                
    8   3.56500 -16.52100  19.20200   0.700    8                                
    9   7.15500 -17.89100  19.96400   0.700    9                                
   10   3.45800 -14.70100  18.13900   0.700   10