# 2012 and Earlier

<div id="sec-2012_and_earlier" class="toctree" maxdepth="1">

2012r2.1 \<2012r2.1\> 2012r2 \<2012r2\> 2012r1.2 \<2012r1.2\> 2012r1.1 \<2012r1.1\> 2012r1 \<2012r1\> 2011r4.3 \<2011r4.3\>

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