Post making contest 2.0

Here

This post breaks rules 3, 4 and 5.

is

This post breaks rules 3, 4 and 5.

another

This post breaks rules 2, 3 and 5.

line of text.

This post breaks rules 1, 2, 3 and 5.

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This post breaks rules 3, 4 and 5.

HINT: as a byproduct of rule 5, all posts that pass it have a property that I'm surprised didn't come up in your character count analysis. A post consisting of 16 letters of the alphabet does not have this property, regardless of which letters you use.