Main Page heading (h1)

Use one main heading...

Sub heading one (h2)

...and then break everything down into sub headings.

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Sub heading one (h2)

And then you can repeat them like this

Sub heading two (h3)

Another sub heading...

Sub heading three (h3)

...And another

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Sub heading one (h2)

As many times...

Sub heading two (h3)

As you need