---------------------------------------------------
--0-1-1-3-1-0-----------0--------------------------
2-------------2-0-0-2-4----------------------------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
--0-1-3-1-0----------------------------------------
2-----------2-0-2-2-0-0----------------------------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
--0-1-1-3-1-0-----------0--------------------------
2-------------2-0-0-2-4----------------------------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
-------------------------0-3-1-0-------------------
--0-1-3-1-0----------------------3-1---------------
2-----------2-0-2-2-0-0--------------2-0-2---------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
-----0--0-------------------------0-1-0---1--0-----
--1--------3----0---0-3-1-0----1--------3----------
2---------------------------2----------------------
---------------------------------------------------
---------------------------------------------------
---------------------------------------------------
--------0--0------------------------------------0--
1-0-3---------3----0--0-3-1-0-------------1--3-----
------------------------------2-0------------------
-----------------------------------2---------------
---------------------------------------------------
---------------------------------------------------