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