cluster     1   number of spheres in cluster    21
    1 -11.45700 -40.71700  15.56500   0.700    1                                
    2 -20.72300 -33.28200  14.43400   0.700    2                                
    3 -18.25200 -34.20600  11.69800   0.700    3                                
    4 -17.25100 -34.83400  12.44200   0.700    4                                
    5 -19.39300 -33.70600  12.32300   0.700    5                                
    6 -17.36200 -34.97600  13.82700   0.700    6                                
    7 -16.67300 -37.20000  17.47100   0.700    7                                
    8 -17.75900 -36.58900  16.81500   0.700    8                                
    9 -15.39100 -35.11900  17.55100   0.700    9                                
   10 -11.67800 -39.22800  15.39100   0.700   10                                
   11 -11.23900 -38.44500  16.61900   0.700   11                                
   12 -12.27500 -38.45800  17.74400   0.700   12                                
   13 -13.57700 -37.78300  17.34800   0.700   13                                
   14 -14.36800 -37.19400  18.52500   0.700   14                                
   15 -19.52300 -33.80600  13.70400   0.700   15                                
   16 -15.51800 -36.47600  17.83200   0.700   16                                
   17 -18.47500 -34.47000  14.49200   0.700   17                                
   18 -17.64600 -35.22600  16.50700   0.700   18                                
   19 -16.42700 -34.46100  16.88100   0.700   19                                
   20 -16.36400 -33.13100  16.57400   0.700   20                                
   21 -18.63500 -34.55900  15.85700   0.700   21