How about:
A numbering scheme like this?\r\n
\r\n1.a\r\n 2.a\r\n 3.a\r\n 4.a\r\n 2.b\r\n 2.c\r\n 3.a\r\n 3.b\r\n 4.a\r\n
\r\n
Sure, there are 2 3.a's out there. But it is easy to figure out which 2.? a 3.a is actually associated with.
\r\n\r\nCheers,
\r\nBen
"Career politicians are inherently untrustworthy; if it spends its life buzzing around the outhouse, it\ufffds probably a fly."
\r\n- [link|http://www.nationalinterest.org/issues/58/Mead.html|Walter Mead]