cluster     1   number of spheres in cluster     9
    1  32.67600  17.15000  22.72700   0.700    1                                
    2  31.45200  17.42500  23.36700   0.700    2                                
    3  33.84400  17.80700  23.13000   0.700    3                                
    4  31.40000  18.38200  24.39300   0.700    4                                
    5  33.80400  18.76800  24.14800   0.700    5                                
    6  32.56700  19.04300  24.77500   0.700    6                                
    7  32.52600  20.04300  25.85400   0.700    7                                
    8  31.36200  20.35800  26.51300   0.700    8                                
    9  33.63600  20.72500  26.24600   0.700    9