cluster     1   number of spheres in cluster    18
    1   1.14800  72.98700  36.62500   0.700    1                                
    2  -2.04100  70.98100  30.62700   0.700    2                                
    3  -1.20900  71.82300  31.36200   0.700    3                                
    4  -3.41300  71.12800  30.80400   0.700    4                                
    5   0.06300  74.04800  36.42200   0.700    5                                
    6  -1.73000  72.77500  32.24000   0.700    6                                
    7  -3.12400  72.84500  32.34700   0.700    7                                
    8  -1.53900  74.57800  33.86500   0.700    8                                
    9  -0.94700  73.64400  33.00300   0.700    9                                
   10  -2.93700  74.64400  33.96900   0.700   10                                
   11  -0.65600  75.49000  34.67000   0.700   11                                
   12  -3.96000  72.03900  31.64600   0.700   12                                
   13  -3.64200  73.77000  33.19900   0.700   13                                
   14   0.37500  73.55000  32.88000   0.700   14                                
   15  -5.03100  73.81600  33.28600   0.700   15                                
   16  -3.51500  75.52400  34.78500   0.700   16                                
   17  -0.84900  76.68900  34.81000   0.700   17                                
   18   0.35400  74.79400  35.20700   0.700   18