This is fun!

# This is the first first-level section

This paragraph belongs to section one.

## This is the first second-level section

This paragraph belongs to subsection one.

## This is the second second-level section

This paragraph belongs to subsection two.

#### This is the first third-level section

To make the task even harder, the `h3`-heading was dropped, but we expect the parser to recognize this section as level 3, not level 4.

## This is the third second-level section

This paragraph belongs to subsection three.

# This is the second first-level section

This paragraph belongs to section two.

        	//what is source code?

This is also a paragraph. Take a look at the other paragraph.

Just introduce some images.