B33113313132313113313223313331323133313233312111133132322233111   >>    B3311331313231311331322331333132313331323331211113313232223311   <<    B33113313132313113313223313331323133313233312111133132322233113   >>      B33113313132313113313223313331323133313233312111133132322233112   >>