-------------------------5--4------------5-4-----------------
-----5--3---------3--5---------5--6--6-------6-5-6-5---------
-----------5-4-5---------------------------------------------
-------------------------------------------------------------
-------------------------------------------------------------
-------------------------------------------------------------
X2
------------------------5--4-----------4---------------------
-----5--3---------3--5---------5---6------5------------------
-----------5-4-5---------------------------------------------
-------------------------------------------------------------
-------------------------------------------------------------
-------------------------------------------------------------
