S
A
M
S
X
M
X
M
A
S
X
X
A
X
S
A
S
X
A
M
S
M
A
X
X
S
X
S
S
M
A
M
M
A
S
X
A
X
M
A
M
M
M
S
M
X
S
M
X
S
A
X
S
M
S
M
A
A
S
S
M
M
A
X
S
A
X
X
S
A
S
A
A
X