3535\u0033\u0035 (C99)\U000033\U000035 (C99)\x33\x35 (encoding-dependent)\063\065 (encoding-dependent)\u{33}\u{35} (C++23)\x{33}\x{35} (C++23, encoding-dependent)\o{063}\o{065} (C++23, encoding-dependent)\U00000033\U00000035\u0033\u0035\x33\x35 (encoding-dependent)\063\065 (encoding-dependent)\u0033\u0035\u{33}\u{35}\u0033\u0035\x33\x35\33\35\000033\000035=33=35%33%35