B33113313132313113313223313331323133313223313231333133313233313132212231   >>    B3311331313231311331322331333132313331322331323133313331323331313221223   <<    B33113313132313113313223313331323133313223313231333133313233313132212233   >>      B33113313132313113313223313331323133313223313231333133313233313132212232   >>