-----------0---------------------------0--1-1-1----------------------------------------------
---------3---3-1--0--------------------------------------------------------------------------
-----3---------------3-1------------------------------------------------------1--------------
-------------------------4----------4-----------1-1-----1-----3---3-----3--3-----------------

------3-5-3-5------0----------------0-1--0-1--------0--1---1----1----------------------------
-----------------3----3-1-0------------------------------------------------------------------
----3----------3------------3-1--------------------------------------------------------------
---------------------------------4-------------4--4----------------1---1---1--3-----3---3-3--

----------------------------------------------------------------------------------0------------
----------------------------------------------------------------------------0-1-3---3-1--------
---------1-3-3--3-3---3---3-3--------------------1-1--1-1--1--1-1-----------------------1-3-3--
-------------------------------4-4--4-4--4--4-4----------------------3-3---3-------------------

----------------------------------------------------------------------------------------0----
----------------------------------------------------------------------------------0-1-3---3-1
----------3-3---3--3-3--------------------1-1----1-1--------1-------1-1----------------------
------------------------4-4--4-4--4--4-4----------------------------------3-3--3-------------

--------------------------------0------------------0--------------------------------0-------
-----------------------------3-------------------3-----------------------------1-3----3-0---
---------1------------------------1---1-1-1--1-1------3-1--3--3-3-3---1-3-3--3------------1-
-------------4--4-4-4---4-4-----------------------------------------------------------------

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