-----------------------------------------------------
-----------------------------------------------------
-----------------------------------------------------
---7-7-7---7-7-7-6-7-9---6-6-6---6-6-6-4-6-7---------
--7-7-7---7-------------7-7-7---7--------------------
-----------------------------------------------------

-----------------------------------------------------
--5-4-5----------------------------------------------
--------6-5-6---------------------4-6-7-4------------
--------------7-6-7----------4-6-7-------------------
--------------------7---4-5-7------------------------
-----------------------------------------------------

--------------------0-0-0-2-0------------------------
--3-2-3----------------------3-2-0-------------------
-------4-3-4----------------------2------------------
------------1-0-1------------------------------------
-----------------2-----------------------------------
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