<!DOCTYPE html>
<link rel="stylesheet" href="test-common.css">
<style type="text/css">
  @counter-style a {
    system: fixed;
    symbols: a "b" \63;
  }
  @counter-style b {
    system: additive;
    additive-symbols: \66  6, 'e' 5, d 4, 3 \63, 2 "b", 1 a;
  }
</style>
<ol style="list-style-type: a">
  <li><li><li>
</ol>
<ol style="list-style-type: b">
  <li><li><li><li><li><li>
</ol>