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--7-------------6---------------------------------------------|     X2
----9-7-----------7-------------------------------------------|
--------9-7h8h9-----9--7-7h8h9--7-5-----------7-5-------------|
------------------------------------7-5-5h6h7-----7-5-5h6h7---|

---------------------------10-10-7-----------------10-10-7------------|
-----------------------------------10-----5-5h6h7----------10-5-5h6h7-|
--7-----7-9-10B-----7-9-11--------------------------------------------|
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--6b--------6b--------6b-----6b6b6b6b6b6b6b6b-----------------|
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