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<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
  <m:mi>Id</m:mi>
  <m:mstyle scriptlevel="+1"><m:mi>Id</m:mi></m:mstyle>
  <m:mstyle scriptlevel="+2"><m:mi>Id</m:mi></m:mstyle>
  <m:mstyle scriptlevel="+3"><m:mi>Id</m:mi></m:mstyle>
</m:mstyle></m:math></p>

<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
  <m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle>
  <m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle>
</m:mstyle></m:math></p>

<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
    <m:mstyle scriptlevel="+1"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+1"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+1"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
</m:mstyle></m:math></p>
<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
    <m:mstyle scriptlevel="+2"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+2"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+2"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
</m:mstyle></m:math></p>
<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
    <m:mstyle scriptlevel="+3"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+3"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+3"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
</m:mstyle></m:math></p>
<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
    <m:mstyle scriptlevel="+4"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+4"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
    <m:mstyle scriptlevel="+4"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
</m:mstyle></m:math></p>
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