B33113313132313113313223313331323133313223313231333133313311232313211231231   >>    B3311331313231311331322331333132313331322331323133313331331123231321123123   <<    B33113313132313113313223313331323133313223313231333133313311232313211231233   >>      B33113313132313113313223313331323133313223313231333133313311232313211231232   >>