A
S
A
A
S
A
T
A
A
S
A
T
A
R
A
S
T
R
S
T
T
A
A
T
S
R
S
T
S
R
T
R
T
A
R
T
R
T
A
S
S
S
A
R
R
S
T
A
T
A
S
A
S