7070\u0037\u0030 (C99)\U000037\U000030 (C99)\x37\x30 (encoding-dependent)\067\060 (encoding-dependent)\u{37}\u{30} (C++23)\x{37}\x{30} (C++23, encoding-dependent)\o{067}\o{060} (C++23, encoding-dependent)\U00000037\U00000030\u0037\u0030\x37\x30 (encoding-dependent)\067\060 (encoding-dependent)\u0037\u0030\u{37}\u{30}\u0037\u0030\x37\x30\37\30\000037\000030=37=30%37%30