N
S
S
S
N
I
I
N
N
N
N
N
R
R
R
S
N
N
I
R
S
A
A
R
S
R
A
R
S
N
I
R
R
R
S
N
I
N
S
R
N
A
I
I
R
R
A
I
S
R
R
I
N
S
N
R
S
S
N
N
I
R
S
I
A
A
I
R
N
I
S
S
I
R
S
N
A
I
I
I
A
R
I
S
A
N
A
R
I
S
R
R
N
A
R
I
N
N
I
S
S
A
S
A
R
N
I
N
S
A
R
A
S
A
N
A
A
A
R
R
I
I
A
A
I
N
A
A
S
A
I
A
A
I
N
A
R
I
A
R
S
A
I
N
S
S
S
N
I