-0-0-0-3-1-0-1-----1-5-3-
---------------3-3-------
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-------------------------
-------------------------
-0-0-0-3-1-0-1---3-1-1-0-
---------------3---------
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-3-3-8-7-5-5-3-1-1-5-5-3-
-------------------------
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-0-0-0-3-1-0-1---3-------
---------------3---0-3-1-
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