llll\u006C\u006C (C99)\U00006C\U00006C (C99)\x6C\x6C (encoding-dependent)\154\154 (encoding-dependent)\u{6C}\u{6C} (C++23)\x{6C}\x{6C} (C++23, encoding-dependent)\o{154}\o{154} (C++23, encoding-dependent)\U0000006C\U0000006C\u006C\u006C\x6C\x6C (encoding-dependent)\154\154 (encoding-dependent)\u006C\u006C\u{6C}\u{6C}\u006C\u006C\x6C\x6C\6C\6C\00006C\00006C=6C=6C%6C%6C