<?xml version="1.0" encoding="UTF-8"?>
<document xmlns="http://commonmark.org/xml/1.0">
    <heading level="1">
        <text>One</text>
    </heading>
    <heading level="2">
        <text>Two</text>
    </heading>
    <heading level="1">
        <text>One</text>
    </heading>
    <heading level="2">
        <text>Two</text>
    </heading>
    <heading level="3">
        <text>Three</text>
    </heading>
    <heading level="4">
        <text>Four</text>
    </heading>
    <heading level="5">
        <text>Five</text>
    </heading>
    <heading level="6">
        <text>Six</text>
    </heading>
</document>
