xxxxxxx                      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
        xxxxxxx       xxxxxxx                      xxxxxxxxxxxxxxxxxxxxxxxxxxxx
    xxxx                     xxxxxxx                      xxxxxxxxxxxxxxxxxxxxx
    x   xxxxxxx                     xxxxxxx                      xxxxxxxxxxxxxx
    x          xxxxxxx                     xxxxxxx                      xxxxxxx
    x                 xxxxxxx                     xxxxxxx                      
    x                        xxxxxxx                     xxxxxxx               
    x                               xxxxxxx                     xxxxxxx        
    x             xxxx                     xxxxxxx                     xxxx    
    x             xxxxxxxxxxx                     xxxxxxx       xxxxxxxxxxx    
    x             xxxxxxxxxxxxxxxxxx                     xxxxxxxxxxxxxxxxxx    
    x             xxxxxxxxxxx   x   xxxxxxx                 xxxxxxxxxxxxxxx    
    x             xxxx          x          xxxx             xxxxxxxxxxx   x    
    x             x             x             x             xxxx          x    
    x             x             x             x             x             x    
    x             x             x             x             x             x    
    x             x             x             x             x             x    
    x             x             x             x             x             x    
    x             x             x             x             x             x    
    x             x             x             x             x             x    
    x             x             x             x             x             x    
    x   xxxxxxx   x             x   xxxxxxx   x             x   xxxxxxx   x    
    xxxx       xxxx             xxxx       xxxx             xxxx       xxxx    
        xxxxxxx                     xxxxxxx                     xxxxxxx