-------------------------------------------------
----------------------1--3-5--7-7-8-10--8--------
--------------------0-2--4-4--6-6-7-9-----7------
--------------0-2-4--------5--7-7-9-11------9----
-------0-2-4-------------------------------------
-0-2-4-------------------------------------------
-5-6---------------------------------------------
-----8-5--------3---------------2-------8--------
---------5--------3----------b4---2----b7--------
-----------7-6------4---------------2------------
----------------------5-4-3----------------------
-------------------------------------------------
-------------5-----------------------------------
---------------5---------------------------------
-----2-4-5-6-----7-5----------------------------7
-2-4-----------------7-5--------------------7/9--
-------------------------7-6-5-3----------5------
---------------------------------5-4--3-7--------
-----7----------7----8----8----8----9----9--10---
-------8---0-10---10---11---11---11---12---b13---
--b9-----9---------------------------------------
-7-----------------------------------------------
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-------------------------------------------------
-------12-14-b14--14-12-17------------5----------
-13-15---------------------15--12-------6--------
----------------------------------12------6------
--------------------------------------------7----
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-----------------------------------------------1~
--------------5----------------------------------
-------3--5/7----7-6-5-/7-3---8-7-8-10-----------
-----2-----------6-5-4--------7-6-7-9------------
---4-------------7-6-5--------5-4-5-7------------
-5-----------------------------------------------
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