,,,,,,,,,,,,,,,,,,x,x,x,,,,,x,x,x,,,, \Arrowvert, \arrowvert, \Downarrow, \downarrow, \hookleftarrow, \hookrightarrow, \Leftarrow, \leftarrow, \Leftrightarrow, \leftrightarrow, \Longleftarrow, \longleftarrow, \Longleftrightarrow, \longleftrightarrow, \Longrightarrow, \longrightarrow, \nearrow, \nwarrow, \overleftarrow x, \overleftrightarrow x, \overrightarrow x, \Rightarrow, \rightarrow, \searrow, \swarrow, \underleftarrow x, \underleftrightarrow x, \underrightarrow x, \Uparrow, \uparrow, \Updownarrow, \updownarrow