<AAA test="1">
  <BBB test="2" test-first="1" />
  <BBB test="3" test-even="1"/>
  <BBB test="4"/>
  <BBB test="5" test-even="1" test-2="1"/>
  <BBB test="6" test-2="1"/>
  <BBB test="7" test-even="1"/>
  <BBB test="8"/>
  <BBB test="9" test-even="1" test-last="1"/>
  <CCC test="10"/>
  <CCC test="11" test-3="1"/>
  <CCC test="12"/>
</AAA> 
