cluster     1   number of spheres in cluster    12
    1  18.26000  23.14400  60.36100   0.700    1                                
    2  18.94300  24.33300  60.64000   0.700    2                                
    3  17.20500  22.75500  61.19000   0.700    3                                
    4  17.18700  25.63300  63.75400   0.700    4                                
    5  18.59400  25.13300  61.73600   0.700    5                                
    6  16.86700  23.57400  62.27500   0.700    6                                
    7  17.54100  24.76400  62.55700   0.700    7                                
    8  16.16000  26.71600  63.48400   0.700    8                                
    9  15.77400  26.94200  62.30100   0.700    9                                
   10  15.71800  27.34300  64.47300   0.700   10                                
   11  19.48400  26.64900  62.07300   0.700   11                                
   12  15.51500  23.07000  63.30000   0.700   12