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