5 9
31714.314
S...035.6
.E..25..0
.6..37115
.2175....
$
. = NULL
0 = Vertical
1 = Horizontal
2 = TopRight (NE)
3 = BottomRight (SE)
4 = BottomLeft (SW)
5 = TopLeft (NW)
S = Start
E = End