---9-----------9--------------4-------2-------0-2----4-5-7-5-4-
-7---9-10-10-7---9-10-12-10-7---5-3-5---3-2-3-----0-1----------
---------------------------------------------------------------
---------------------------------------------------------------
-----8-----9-----8----------0------------------------------4-4-
---------------------------------------------------------------
---9-----------9--------------4-------2-------7-5-4-2--------
-7---9-10-10-7--9-10-12-10-7---5-3-5---3-2-3---------6-4-6-7
-------------------------------------------------------------
-------------------------------------------------------------
-----8-----9-----8----------0--------------------------------
-------------------------------------------------------------
-6-7-9-10------10-9-12----9-8-5-4-2-5-4
----------10-9---------10-------------2
---------------------------------------
---------------------------------------
------------------0--------------------
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