B33113313132313113313223313331323133313223313231333133313211232311211311231   >>    B3311331313231311331322331333132313331322331323133313331321123231121131123   <<    B33113313132313113313223313331323133313223313231333133313211232311211311233   >>      B33113313132313113313223313331323133313223313231333133313211232311211311232   >>