B33113313132313113313223313331323331313231323331333133313231333132212231   >>    B3311331313231311331322331333132333131323132333133313331323133313221223   <<    B33113313132313113313223313331323331313231323331333133313231333132212233   >>      B33113313132313113313223313331323331313231323331333133313231333132212232   >>