C
D
H
R
H
D
R
O
D
C
A
O
R
O
C
R
O
H
R
A
R
R
R
A
R
C
O
H
R
A
R
R
C
O
H
A
R
D
H
H
D
C
C
A
R
D
O
A
D
O
R
A
C
H