<!-- tailing -->
    <keybind key="A-Left">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <width>50%</width>
      </action>
      <action name="MaximizeVert"/>
      <action name="MoveResizeTo">
        <x>0</x>
        <y>0</y>
      </action>
    </keybind>
    <keybind key="A-Right">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <width>50%</width>
      </action>
      <action name="MaximizeVert"/>
      <action name="MoveResizeTo">
        <x>-0</x>
        <y>0</y>
      </action>
    </keybind>
    <keybind key="A-Up">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <height>50%</height>
      </action>
      <action name="MaximizeHorz"/>
      <action name="MoveResizeTo">
        <x>0</x>
        <y>0</y>
      </action>
    </keybind>
    <keybind key="A-Down">
     <action name="UnmaximizeFull"/>
     <action name="MoveResizeTo">
       <height>50%</height>
     </action>
     <action name="MaximizeHorz"/>
     <action name="MoveResizeTo">
       <x>0</x>
       <y>-0</y>
     </action>
    </keybind>
    <keybind key="A-i">
     <action name="UnmaximizeFull"/>
     <action name="MoveResizeTo">
       <width>50%</width>
       <height>50%</height>
     </action>
     <action name="MoveResizeTo">
       <x>0</x>
       <y>0</y>
     </action>
    </keybind>
    <keybind key="A-o">
     <action name="UnmaximizeFull"/>
     <action name="MoveResizeTo">
       <width>50%</width>
       <height>50%</height>
     </action>
     <action name="MoveResizeTo">
       <x>-0</x>
       <y>0</y>
     </action>
    </keybind>
    <keybind key="A-k">
     <action name="UnmaximizeFull"/>
     <action name="MoveResizeTo">
       <width>50%</width>
       <height>50%</height>
     </action>
     <action name="MoveResizeTo">
       <x>0</x>
       <y>-0</y>
     </action>
    </keybind>
    <keybind key="A-l">
     <action name="UnmaximizeFull"/>
     <action name="MoveResizeTo">
       <width>50%</width>
       <height>50%</height>
     </action>
     <action name="MoveResizeTo">
       <x>-0</x>
       <y>-0</y>
     </action>
    </keybind>