B33113313132313113313223313331323331313311212111133133313232213111   >>    B3311331313231311331322331333132333131331121211113313331323221311   <<    B33113313132313113313223313331323331313311212111133133313232213113   >>      B33113313132313113313223313331323331313311212111133133313232213112   >>