1\\----------------------------------------------------------------
2\\----------------------------------------------------------------
3\\-----------------------2--0----------------------------------2-0
4\\--------------0--2--3--------0--0--0--3--3--2--------0--2--3----
5\\-----0--2--3--------------------------------------3-------------
6\\--3-------------------------------------------------------------
1\\--1-1-1-1-1-1-1-1-0-------------1-1-1-1-1-1-1-1-0---------------
2\\--------------------1---1-1--3--------------------1---1-1--3--1-
3\\----------------------------------------------------------------
4\\----------------------------------------------------------------
5\\----------------------------------------------------------------
6\\----------------------------------------------------------------