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