B33113313132313113313223313331323132313331333133112111133133313331323232213111   >>    B3311331313231311331322331333132313231333133313311211113313331333132323221311   <<    B33113313132313113313223313331323132313331333133112111133133313331323232213113   >>      B33113313132313113313223313331323132313331333133112111133133313331323232213112   >>