2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
