D
C
M
D
P
M
M
M
D
C
D
C
M
M
C
P
O
D
D
P
P
M
O
P
D
M
P
P
C
P
P
C
M
C
D
M
P
C
M
D
P
D
C
C
C
C
P
C
P
P
P
P
P
C
C
O
O