10 0 No distinct orientation
21 1 NE - SW
32 2 E - W
43 3 SE - NW
54 4 N - S
65 5 Parallels shore at east
76 6 Parallels shore at south
87 7 Parallels shore at west
98 8 Parallels shore at north
109 9 Not determined or unknown
1115 15 Missing value
12