M
0
0
D
-15
0
D
-8
8
D
-8
15
D
-15
23
D
-15
15
D
-23
23
M
-23
23
D
-23
45
D
-15
53
D
-8
53
D
-15
68
D
-8
75
D
0
75
M
0
0
D
15
0
D
8
8
D
8
15
D
15
23
D
15
15
D
23
23
M
23
23
D
23
45
D
15
53
D
8
53
D
15
68
D
8
75
D
0
75
M
-15
68
D
15
68
M
-8
53
D
8
53
M
-23
15
D
8
45
M
-8
68
D
0
60
D
8
68
D
8
60
D
-8
60
D
-8
68
M
0
38
D
-8
38
D
8
53
D
8
45
D
15
45
D
0
30
D
0
38