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---0-0-0-2--3-3-3-0-------------------|
-0------------------3-3-3-0-3---------|

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------------------------------------------2-2-2-2-2-2-2-2------------|
-------------------0-2-2-2---2-----2-2---------------------2-2-------|
---0-0-0-2-3-3-3-----------3-----------------------------------3-0---|
-0-------------------------------------------------------------------|

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--0----------2h3---3-0-0------0--------------------|
----1-1-1-1-----------------3----------------------|