B33113313132313113313223313331323132313331333133112111133132323211   >>    B3311331313231311331322331333132313231333133313311211113313232321   <<    B33113313132313113313223313331323132313331333133112111133132323213   >>      B33113313132313113313223313331323132313331333133112111133132323212   >>