-0------3---3---3---3---3---3---3---3---3---3---3---3---3---3---3-----|
--3------3---3---3---3---3---3---3---3---3---3---3---3---3---3--------|
----------0---0-------0---0-------0---0-------0---0-------0---0-------|
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--------------------2-----------3-----------3-----------0-------------|
--------3-------------------------------------------------------------|
-2h3--3---3----3---3---3----3---3---3----3---3---3----3-2h3-------^3--|
-------3---3--3-----3---3--3-----3---3--3-----3---3----3----------^0--|
--------0---0--------0---0--------0---0--------0---0--------------^0--|
------------------------------------------------------------------^0--|
-------------------2------------3------------0--------------------^2--|
------3-----------------------------------------------------------^3--|
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