|   |   Ry--(1--(0  |   
|   Ry--(1--(0  |   |   
Ry--(1--(0  |   |   |   
|   |   |   (0--(1--Ry  
|   |   (0--(1--Ry  |   
|   (0--(1--Ry  |   |   
