B33113313132313113313223313331323132313331333133112111133133313223332231211   >>    B3311331313231311331322331333132313231333133313311211113313331322333223121   <<    B33113313132313113313223313331323132313331333133112111133133313223332231213   >>      B33113313132313113313223313331323132313331333133112111133133313223332231212   >>