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
And then a level 3
Then a level 2
Followed by a level 6
Then another level 3
Then level 5
Level 4
Level 3
Level 2
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
Here's a sample Markdown document with weird headings