cluster     1   number of spheres in cluster    17
    1  15.52100  29.37200  -7.88300   0.700    1                                
    2  15.63500  30.66000  -7.38100   0.700    2                                
    3  14.77500  29.14400  -8.99900   0.700    3                                
    4  14.28600  31.40400  -9.19100   0.700    4                                
    5  15.17800  33.10500  -7.47500   0.700    5                                
    6  15.03300  31.70700  -8.06400   0.700    6                                
    7  15.23000  34.25100  -8.50000   0.700    7                                
    8  14.19000  30.14700  -9.64200   0.700    8                                
    9  13.95500  34.41300  -9.08800   0.700    9                                
   10  15.24100  36.86800  -8.47000   0.700   10                                
   11  17.11300  35.64800  -7.17300   0.700   11                                
   12  16.57300  35.45500 -10.37700   0.700   12                                
   13  16.24300  33.14000 -11.01800   0.700   13                                
   14  14.65300  35.70800  -6.43800   0.700   14                                
   15  17.63200  33.73700  -9.09700   0.700   15                                
   16  15.62200  35.75100  -7.54400   0.700   16                                
   17  16.43900  34.08600  -9.83500   0.700   17