Here's a sample Markdown document with weird headings

A level 2 heading to start

Followed by a level 4

Then a level 1

And another level 2

Then a level 5
Then a level 6
Then a level 5
Then a level 6

And then a level 3

Then a level 5

Then a level 2

Followed by a level 6

Then another level 3

Then level 5

Level 4

Level 3

Level 2

Level 4

Now for some "normal" headings to test going up and down the stack

Section 1

Section 1.1

Section 1.1.1

Section 1.1.1.1

Section 1.1.1.1.1
Section 1.1.1.1.1.1
Section 1.1.1.1.2

Section 1.1.1.2

Section 1.1.2

Section 1.2

Section 2