(A)

{OU-a
xm{w`
}s
`{

{OX-a
xm{w`
}
`xmgcw

{OX-b
xm{w`
}
`xmgcw

xTT-a
xmw`
匎V
`{

xTT-b
xmw`
匎V
`{

xTV-a
VVxmw`
}
`xmgcw