Ac1 Rb3 
   1.0
    -3.1710025000000002    3.1710025000000002    7.1306314999999998
     3.1710025000000002   -3.1710025000000002    7.1306314999999998
     3.1710025000000002    3.1710025000000002   -7.1306314999999998
   Ac Rb 
   1 3 
Direct
  0.000000000000 0.000000000000 0.000000000000 
  0.750000000000 0.250000000000 0.500000000000 
  0.500000000000 0.500000000000 0.000000000000 
  0.250000000000 0.750000000000 0.500000000000 
