cluster     1   number of spheres in cluster    18
    1  32.23600  19.37400  27.81800   0.700    1                                
    2  37.01800  24.08500  29.72400   0.700    2                                
    3  32.42600  20.88300  27.48100   0.700    3                                
    4  32.49400  21.08900  25.87300   0.700    4                                
    5  32.71000  22.61200  25.55300   0.700    5                                
    6  34.01200  23.02300  26.23500   0.700    6                                
    7  33.97100  22.74600  27.75600   0.700    7                                
    8  35.56400  23.79100  29.32600   0.700    8                                
    9  38.32500  24.00600  32.75500   0.700    9                                
   10  35.33500  23.08000  28.23400   0.700   10                                
   11  37.13900  24.86500  30.91900   0.700   11                                
   12  37.73200  24.43800  31.83900   0.700   12                                
   13  33.35500  18.64500  27.25800   0.700   13                                
   14  31.30700  20.65100  25.21700   0.700   14                                
   15  32.79300  22.83900  24.12400   0.700   15                                
   16  34.22500  24.44000  26.00000   0.700   16                                
   17  34.68600  24.21900  30.01300   0.700   17                                
   18  33.71500  21.34300  28.01500   0.700   18