B33113313132313113313223313331323132313331333133112111133133313331323221313211   >>    B3311331313231311331322331333132313231333133313311211113313331333132322131321   <<    B33113313132313113313223313331323132313331333133112111133133313331323221313213   >>      B33113313132313113313223313331323132313331333133112111133133313331323221313212   >>