D
A
H
N
N
N
A
N
N
A
N
N
N
B
N
A
H
N
N
A
N
N
N
D
A
H
B
A
N
A
N
N
N
B
B
N
H
A
H
B
B
N
H
N
N
H
H
N
H
N
D
B
A
N
D
H
B
N
N
H
H
H