7 8
...S....
..35....
..24....
...24...
...353E.
...215..
..........

$
. = NULL
0 = Vertical
1 = Horizontal
2 = TopRight        (NE)
3 = BottomRight     (SE)
4 = BottomLeft      (SW)
5 = TopLeft         (NW)
S = Start
E = End