2323\u0032\u0033 (C99)\U000032\U000033 (C99)\x32\x33 (encoding-dependent)\062\063 (encoding-dependent)\u{32}\u{33} (C++23)\x{32}\x{33} (C++23, encoding-dependent)\o{062}\o{063} (C++23, encoding-dependent)\U00000032\U00000033\u0032\u0033\x32\x33 (encoding-dependent)\062\063 (encoding-dependent)\u0032\u0033\u{32}\u{33}\u0032\u0033\x32\x33\32\33\000032\000033=32=33%32%33