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