cluster     1   number of spheres in cluster    18
    1  -1.94200  70.79800  31.08300   0.700    1                                
    2  -1.31500  71.71400  31.92500   0.700    2                                
    3  -3.33400  70.78400  31.06900   0.700    3                                
    4   0.14700  75.41500  36.90600   0.700    4                                
    5   0.19100  76.69000  36.06200   0.700    5                                
    6  -1.25900  74.86000  36.67800   0.700    6                                
    7  -0.59600  76.30400  34.80700   0.700    7                                
    8  -2.06100  72.58300  32.72300   0.700    8                                
    9  -2.28000  74.37900  34.36600   0.700    9                                
   10  -1.49300  73.52200  33.58500   0.700   10                                
   11  -3.45200  72.49100  32.63500   0.700   11                                
   12  -3.67700  74.27000  34.26700   0.700   12                                
   13  -1.73200  75.41600  35.33100   0.700   13                                
   14  -4.09200  71.61100  31.82700   0.700   14                                
   15  -4.16600  73.33900  33.41100   0.700   15                                
   16  -0.16100  73.51100  33.58100   0.700   16                                
   17  -5.54800  73.22800  33.31300   0.700   17                                
   18  -4.49800  75.04500  34.97500   0.700   18