cluster     1   number of spheres in cluster    28
    1 -23.12800   2.00800  15.91300   0.700    1                                
    2 -21.65000   1.16700  14.19600   0.700    2                                
    3 -22.10600   1.85000  16.86600   0.700    3                                
    4 -20.61900   1.00400  15.13400   0.700    4                                
    5 -29.80100   0.65900  14.06100   0.700    5                                
    6 -29.17400  -2.84400  19.63100   0.700    6                                
    7 -28.40400   0.67900  13.42900   0.700    7                                
    8 -28.77300  -1.37900  19.97700   0.700    8                                
    9 -29.66400   1.25700  15.48400   0.700    9                                
   10 -30.59900  -0.36400  18.56800   0.700   10                                
   11 -30.61500  -2.93300  19.12700   0.700   11                                
   12 -31.09100  -1.77900  18.24200   0.700   12                                
   13 -28.50400   1.04900  19.15500   0.700   13                                
   14 -28.51500   2.01600  17.94800   0.700   14                                
   15 -24.01600   1.83700  13.53300   0.700   15                                
   16 -22.89100   1.66300  14.57900   0.700   16                                
   17 -20.85500   1.35200  16.48400   0.700   17                                
   18 -29.08800  -0.36200  18.87200   0.700   18                                
   19 -27.36000   0.69200  14.56600   0.700   19                                
   20 -27.71100   1.41800  16.79300   0.700   20                                
   21 -19.71100   1.15500  17.44500   0.700   21                                
   22 -26.25800   1.67200  14.25500   0.700   22                                
   23 -19.54000   1.95600  18.43300   0.700   23                                
   24 -18.92100   0.16500  17.24100   0.700   24                                
   25 -25.17200   1.08400  13.95400   0.700   25                                
   26 -28.21800   1.16600  15.62900   0.700   26                                
   27 -26.53300   1.21800  17.03200   0.700   27                                
   28 -26.44900   2.88300  14.29900   0.700   28