---------------------------------------------
--------------6-5------------------8-6-------
--5--5--7-5---------------5-5-7-5------------
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---------8-5-----------------6-6-5----------
--------------6-5--------------------6-8-6--
--5-5---------------7-----------------------
--------------------------------------------
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---------------------------------------------
--------------6-5------------------8-6-------
--5--5--7-5---------------5-5-7-5------------
---------------------------------------------
---------------------------------------------
---------------------------------------------
---------8-5-----------------6-6-5----------
--------------6-5--------------------6-8-6--
--5-5---------------7-----------------------
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