T
S
H
H
X
T
X
I
S
H
H
T
T
T
T
X
T
X
X
S
X
X
T
X
X
S
H
I
H
S
X
I
H
I
X
X
H
I
H
I
T
H
T
X
X
I
I
S
T
S
S
I
I
S
S
H
X