P781    xx   |               |  —c  
                                        
 —  | —   @pq   |    >          || —c   
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
  G 4 —    xp   |    >          || —A÷ 
                                        
 —  > ——   x        >          |  —c c 
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
   P781    p    |    >          |= —c —
                                        
    > —c   xx   |    >          || —c — 
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
      —                            —  > 
                                        
 —  | —c   xq   |    >          |  —Gc  
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
   P781 —  p    |    >          || —c  
                                        
    | —    xp   |    >          || —c   
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
  G | — —  x    |               |= —G  
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
   P781 ÷  pq   |    >          || —c  
                                        
  G > —    xq   |    >          || —c   
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
  G | —    pq   x    |          |  —cc—