N
0
NE
0
E
0
SE
0
S
0
SW
0
W
0
NW
0
N
0
0
0
0
0
0
0
0
NE
0
0
0
0
0
0
0
0
E
0
0
0
0
0
0
0
0
SE
0
0
0
0
0
0
0
0
S
0
0
0
0
0
0
0
0
SW
0
0
0
0
0
0
0
0
W
0
0
0
0
0
0
0
0
NW
0
0
0
0
0
0
0
0