----------------------------------------------------------------------
----------------------------------------------------------------------
----------------------------------------------------------------------
----------------------------------------------------------------------
-7-----7-----7-----7-----7-------7--5-----5-----5-----5-----5-----5---
----5-----5-----5-----5-----5-----------------5-----5-----5-----5---5-
X4
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------7---6--------------------7---6---7--------------
-9---7---9-------7---6------9---7---9-----7---6---7--------------
-9---7---9-------5---4------9---7---9-----5---4---5--------------
-7---5---7------------------7---5---7----------------------------
X2
----------------------------------------------------------------------
