0 0 No distinct orientation
1 1 NE - SW
2 2 E - W
3 3 SE - NW
4 4 N - S
5 5 Parallels shore at east
6 6 Parallels shore at south
7 7 Parallels shore at west
8 8 Parallels shore at north
9 9 Not determined or unknown
15 15 Missing value
