B33113313132313113313223313331323132333132332313331333133313232222111   >>    B3311331313231311331322331333132313233313233231333133313331323222211   <<    B33113313132313113313223313331323132333132332313331333133313232222113   >>      B33113313132313113313223313331323132333132332313331333133313232222112   >>