C111123313121111121111331333133313331333133313331333133313331323331313232231   >>    C11112331312111112111133133313331333133313331333133313331333132333131323223   <<    C111123313121111121111331333133313331333133313331333133313331323331313232233   >>      C111123313121111121111331333133313331333133313331333133313331323331313232232   >>