H
T
S
H
S
H
S
H
R
O
O
R
R
S
S
S
S
O
O
T
R
T
H
R
T
R
T
H
S
O
S
S
T
O
T
R
R
H
T
S
S
R
S
T
O
O
H
R
T
O
H
H
T
H
T
H
T
S
S
H
O
O
O
R
R
T
O
H
H
R
T
R
T
O
R
R
H
O
T
S
H
S
O
R
S
H
R
O
T