---------------------------------------------------
-------------0h1--------------------1--------------
------------------0---------------------0----------
--------2--------------------2--------------2------
-----0-------------------3-------------------------
---------------------------------------------------
---------------------------------------------------
----------------2h3--------------------------------
----------------------4----------------4-----------
---------4--------------------------------5--------
-----2--------------------------5------------5-----
-----------------------------3---------------------
---------------------------------------------------
---------------------------------------------------
------------2---------------------------7----------
---------------3---------------------------8-------
-------3--------------------------8-------------8--
----1----------------1---------6-------------------
----------------------0-------0--------0-----------
----------------------3-------1--------0-----------
------------0---------0-------0--------0-----------
---------2-----------------------------2-----------
------2--------------------------------2-----------
---0-----------------------------------------------