3 u'abcdef' == u'abcdef': OK
4 u'defabc' == u'defabc': OK
5 u'dabcf' == u'dabcf': OK
6 u'dabcfabc' == u'dabcfabc': OK
8 'abcdef' == 'abcdef': OK
9 'defabc' == 'defabc': OK
10 'dabcf' == 'dabcf': OK
11 'dabcfabc' == 'dabcfabc': OK
16 \001 maps to undefined: OK