-6-4-3---------------------------------------------
-------6-4-3-6-4-3----------3------------3-4-6-------
---------------------5-3-5------5-3----3-5-----------
-------------------------------------6---------------
-----------------------------------------------------
-----------------------------------------------------

---3-------------------------------------------------
-6---6-4-3---3-4-3-4-6-3-------------3---------------
-----------5-------------5-3--3-5-3-5---3------------
----------------------------6-------------6-6-5-3-5--
-----------------------------------------------------
-----------------------------------------------------

-------------------------------------------------3---
----3-4-3----------------3-----------------3-4-6-----
-5--------5-3---3-5-3-5----3-----------3-5-----------
--------------6--------------6-5-3-5-6---------------
-----------------------------------------------------
-----------------------------------------------------