cluster     1   number of spheres in cluster    16
    1 -18.56300  87.76300   0.11700   0.700    1                                
    2 -19.38800  88.06700   3.36800   0.700    2                                
    3 -17.86500  88.03100   3.44800   0.700    3                                
    4 -17.89600  86.13000   1.96700   0.700    4                                
    5 -16.64500  88.25100  -0.66500   0.700    5                                
    6 -15.52800  88.76700  -1.37800   0.700    6                                
    7 -16.41400  87.35400   0.35500   0.700    7                                
    8 -14.21400  87.34200   0.12700   0.700    8                                
    9 -12.99200  86.95400   0.44400   0.700    9                                
   10 -14.32400  88.24100  -0.90300   0.700   10                                
   11 -18.00800  88.50600  -0.81100   0.700   11                                
   12 -15.24000  86.86000   0.79900   0.700   12                                
   13 -17.65000  87.04300   0.85700   0.700   13                                
   14 -19.82300  88.84000   2.21200   0.700   14                                
   15 -15.52200  89.57300  -2.31100   0.700   15                                
   16 -17.35600  86.67300   3.19100   0.700   16