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