IXIX\u0049\u0058 (C99)\U000049\U000058 (C99)\x49\x58 (encoding-dependent)\111\130 (encoding-dependent)\u{49}\u{58} (C++23)\x{49}\x{58} (C++23, encoding-dependent)\o{111}\o{130} (C++23, encoding-dependent)\U00000049\U00000058\u0049\u0058\x49\x58 (encoding-dependent)\111\130 (encoding-dependent)\u0049\u0058\u{49}\u{58}\u0049\u0058\x49\x58\49\58\000049\000058=49=58%49%58