invalid_sequences = ["\xC0", # always invalid utf8
"\xC2\x4a", # 2-byte multibyte identifier, followed by plain ASCII
"\xC2\xC2", # 2-byte multibyte identifier, followed by another one
"\x4a\x82", # plain ASCII, followed by multibyte continuation
"\x82\x82", # multibyte continuations without multibyte identifier
invalid_sequences = ["\xC0", # always invalid utf8
"\xC2\x4a", # 2-byte multibyte identifier, followed by plain ASCII
"\xC2\xC2", # 2-byte multibyte identifier, followed by another one
"\x4a\x82", # plain ASCII, followed by multibyte continuation
"\x82\x82", # multibyte continuations without multibyte identifier