Original Markdown

# Sample Header * First level bullet * Second level bullet * Third level bullet * Another second level * Back to first level 1. First numbered item 1. Sub-numbered item 2. Another sub-numbered 2. Second numbered item

Modified Markdown

# Sample Header * First level bullet * Second level bullet * Third level bullet * New third level * Another second level * Back to first level 1. First numbered item 1. Sub-numbered item 2. Second numbered item * Added bullet point