unknown system                          
           1
     3.885705    0.000000    0.000000
     1.942852    3.365120    0.000000
    -0.000000   -2.243411    3.172665
   Si
   2
Direct configuration=     1
   0.00000000  0.00000000  0.00000000
   0.75000000  0.50000000  0.75000000
unknown system                          
           1
     3.867422    0.000000    0.000000
     1.933711    3.349287    0.000000
    -0.000000   -2.232856    3.157737
   Si
   2
Direct configuration=     2
   0.00000000 -0.00000000 -0.00000000
   0.75000000  0.50000000  0.75000000
unknown system                          
           1
     3.867422    0.000000    0.000000
     1.933711    3.349287    0.000000
    -0.000000   -2.232856    3.157737
   Si
   2
Direct configuration=     3
   0.00000000 -0.00000000 -0.00000000
   0.75000000  0.50000000  0.75000000
