@Z_CAPTION = 

@Z_BOXTEXT = <$ET sub 1>

@Z_BOXTEXT = <$ET sub 4>

@Z_BOXTEXT = <$ET sub 2>

@Z_BOXTEXT = <$ET sub 3>

@Z_BOXTEXT = <MI>B<D>

@Z_BOXTEXT = <MI>A<D>

@Z_BOXTEXT = <MI>x<D>

@Z_BOXTEXT = <$ET sub 1>

@Z_BOXTEXT = <$ET sub 4>

@Z_BOXTEXT = <$ET sub 2>

@Z_BOXTEXT = <$ET sub 3>

@Z_BOXTEXT = <MI>B<D>

@Z_BOXTEXT = <MI>A<D>

@Z_BOXTEXT = (b) Overlapping Messages

@Z_BOXTEXT = (a) Nonoverlapping Messages



@Z_CAPTION =