Ro2_0      22.6424 +/- 0.0017
  Ro2_2       0.8836 +/- 0.0012
  Ro2_4       0.0000 +/- 0.0012
  
  Rs2_0      22.6425 +/- 0.0017
  Rs2_2      -0.8836 +/- 0.0012
  Rs2_4       0.0000 +/- 0.0012
  
 Ros2_0       0.0000 +/- 0.0017
 Ros2_2      -0.8836 +/- 0.0013
 Ros2_4       0.0000 +/- 0.0013
  
  Rl2_0     383.6400 +/- 0.0017
  Rl2_2       0.0000 +/- 0.0012
  Rl2_4       0.0000 +/- 0.0012
  
 SumRule      0.0000 +/- 0.0025
  
 SumRule is Eq.(29) in the Symmetry paper:
 Ro2_2 - Rs2_2 + 2*Ros2_2 = ?