3,3,\u0033\u002C (C99)\U000033\U00002C (C99)\x33\x2C (encoding-dependent)\063\054 (encoding-dependent)\u{33}\u{2C} (C++23)\x{33}\x{2C} (C++23, encoding-dependent)\o{063}\o{054} (C++23, encoding-dependent)\U00000033\U0000002C\u0033\u002C\x33\x2C (encoding-dependent)\063\054 (encoding-dependent)\u0033\u002C\u{33}\u{2C}\u0033\u002C\x33\x2C\33\2C\000033\00002C=33=2C%33%2C