B33113313132313113313223313331323133313223313231333133313211231211111131111   >>    B3311331313231311331322331333132313331322331323133313331321123121111113111   <<    B33113313132313113313223313331323133313223313231333133313211231211111131113   >>      B33113313132313113313223313331323133313223313231333133313211231211111131112   >>