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----------------------------7-7-7-7-8---------------
-5-5-5-5---8-5---8-5----------------8------8-5-
------------6-----6------------------------9-6------
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---9---9-8-7-6-5-6-------------------------------
-----5-----------------5-8-7-6-5-4-5-------------
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----8-5---8-5---------8(h)----5(h)---------------
-6-------6-------6(h)------------------------------
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