C
S
C
C
S
M
M
I
M
I
M
M
I
S
U
C
C
S
U
I
I
M
U
C
C
U
I
U
I
M
S
C
M
S
U
S
C
S
I
I
U
C
C
S
S
M
M
S
S
U
I
I
I
M
U
M
U
U
U
C