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x                              x
x                              x
x   s                          x
x                              x
x                              x
xxxxxxxxxx            e        x
         x                      
         x                      
x                              x
x     s    xxxxxxxxxxxx        x
x                     x        x
x                     x        x
x                     x        x
x                     x        x
                                
                                
x                              x
x      xxxxx                   x
x       xxxxx                  x
x       xxxxxxx                x
x             x                x
x             x       e        x
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           s  x                 
x             x                x
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x             x     xx   s     x
x             x     xx         x
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