\version "2.18.2"

global = {
  \key c \major
  \time 4/4
  \override Staff.BarLine.allow-span-bar = ##f
}

\relative c' {
  \new StaffGroup <<
    \new Staff {
      \global
      e1 | e
      \once \override Staff.BarLine.allow-span-bar = ##t
      e1 | e | e
    }
    \new Staff {
      \global
      c1 | c | c
      \once \override Staff.BarLine.allow-span-bar = ##t
      c1 | c
    }
    \new Staff {
      a1 | a | a | a | a
    }
  >>
}