<?xml version="1.0" encoding="utf-8"?>
a
   b
      c
         d
         e
      f
      g
         h
         i
      j
      <FOLLOWING>n
      o
         p
      q
      r
   </FOLLOWING><PRECEDING>d</PRECEDING><EMPTY></EMPTY><EMPTY></EMPTY><ANCESTOR2>a
   b
      c
         d
         e
      f
      g
         h
         i
      j
      k
   l
   m
   n
      o
         p
      q
      r
   s
   t
</ANCESTOR2><TRICKY>e</TRICKY>k
   l
   <FOLLOWINGSIBLING1>n
      o
         p
      q
      r
   </FOLLOWINGSIBLING1><FOLLOWINGSIBLING2>t</FOLLOWINGSIBLING2><FOLLOWINGSIBLING3></FOLLOWINGSIBLING3>m
   n
      o
         p
      q
      r
   s
   t