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