12点12点\u0031\u0032\u70B9 (C99)\U000031\U000032\U0070B9 (C99)\u{31}\u{32}\u{70B9} (C++23)\U00000031\U00000032\U000070B9\u0031\u0032\u70B9\u0031\u0032\u70B9\u{31}\u{32}\u{70B9}\u0031\u0032\u70B9\31\32\70B9\000031\000032\0070B9=31=32=E7=82=B9%31%32%E7%82%B9