---------------------------------|--------------------------------------------
---------------------------------|--------------------------------------------
---------------------------------|-------------------------7-7-7-6------------
---------6-6-------------7-7-7-6-|---------6-6-------------7-7-7-6------------
-7-7-----4-4-----4-4-----5-5-5-4-|-7-7-----4-4-----4-4-----5-5-5-4------------
-5-5-------------2-2-------------|-5-5-------------2-2------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-------x-x-x-x---6-6---x-x-x-x---------x-x-x-x---7-7-7-6----------------------
-7-7---x-x-x-x---4-4---x-x-x-x---4-4---x-x-x-x---5-5-5-4----------------------
-5-5---x-x-x-x---------x-x-x-x---2-2---x-x-x-x--------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-------------------------------------------------7-7-7-6----------------------
-------x-x-x-x---6-6---x-x-x-x---------x-x-x-x---7-7-7-6----------------------
-7-7---x-x-x-x---4-4---x-x-x-x---4-4---x-x-x-x---5-5-5-4----------------------
-5-5---x-x-x-x---------x-x-x-x---2-2---x-x-x-x--------------------------------
-------------------------------|----------------------------------------------
-------------------------------|----------------------------------------------
-x-x-----x-x-----x-x-(b9)--x-x-(b9)|-x-x-----x-x-----x-x-7---x-x-7----------------
-x-x-7---x-x-7---x-x-(b9)--x-x-(b9)|-x-x-4---x-x-4---x-x-7---x-x-7----------------
-x-x-7---x-x-7---x-x-7---x-x-7-|-x-x-4---x-x-4---x-x-5---x-x-5----------------
-x-x-5---x-x-5---x-x-----x-x---|-x-x-2---x-x-2---x-x-----x-x------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-4-4-4-4-4-4------------------------------------------------------------------
-4-4-4-4-4-4------------------------------------------------------------------
-2-2-2-2-2-2------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-0/14-13-12-------------------------------------------------------------------
------------------------------------------------------------------------------
-----5b6-----3----------------------------------------------------------------
-4-4-----4-4------------------------------------------------------------------
-4-4-----4-4------------------------------------------------------------------
-2-2-----2-2------------------------------------------------------------------
------------------------------------------------------------------------------
-------(b9)------7--------------------------------------------------------------
-----7-(b9)----5-7--------------------------------------------------------------
-4-4-----4-4------------------------------------------------------------------
-4-4-----4-4------------------------------------------------------------------
-2-2-----2-2------------------------------------------------------------------
------------------------------------------------------------------------------
