SU-1\1\section\1\1
SU-2\2\section\2\2
first\3\label\2\2
longtitle\4\label\3\3
SU-3\5\section\3\3
begin1\6\label\4\4
SU-4\7\Section\4\4
begin2\8\label\5\5
SU-5\9\Section\5\5
SU-6\10\section\6\6
conmark\11\label\6\6
KEY-1\12\label\6\6\nsec\6
div\13\label\7\A
SU-7\14\section\7\A
SU-7.1\15\subsection\7.1\A.1
SU-7.2\16\subsection\7.2\A.2
KEY-2\17\label\8\7\nsec\7
SU-8\18\section\8\7
KEY-3\19\label\9\8\nsec\8
last\20\label\9\8
SU-9\21\section\9\8
SU-9.1\22\subsection\9.1\8.1
SU-9.2\23\subsection\9.2\8.2