B33113313132313113313223313331323133313113311331333132313331323133313223331211   >>    B3311331313231311331322331333132313331311331133133313231333132313331322333121   <<    B33113313132313113313223313331323133313113311331333132313331323133313223331213   >>      B33113313132313113313223313331323133313113311331333132313331323133313223331212   >>