cluster     1   number of spheres in cluster    18
    1  37.12600  23.68000  29.77300   0.700    1                                
    2  32.13900  19.59200  27.95700   0.700    2                                
    3  32.34400  20.99700  27.48500   0.700    3                                
    4  32.50200  21.06300  25.89900   0.700    4                                
    5  32.89200  22.53300  25.42900   0.700    5                                
    6  34.16700  22.89400  26.21500   0.700    6                                
    7  35.63500  23.47700  29.61900   0.700    7                                
    8  32.88600  23.89800  28.19300   0.700    8                                
    9  33.98800  22.84500  27.76700   0.700    9                                
   10  33.32800  25.14700  28.42100   0.700   10                                
   11  35.24700  23.15100  28.39100   0.700   11                                
   12  33.22800  18.81300  27.50200   0.700   12                                
   13  31.31400  20.68200  25.31600   0.700   13                                
   14  33.14400  22.64200  24.02100   0.700   14                                
   15  34.58200  24.15400  25.70400   0.700   15                                
   16  34.86900  23.56600  30.56900   0.700   16                                
   17  31.76500  23.51900  28.53700   0.700   17                                
   18  33.54000  21.47800  28.15300   0.700   18