You can't do that either because the way it works here is you're being given a sealed bag with all envelopes coming straight for the ballot boxes and that process was supervised by multiple persons.

And then you have:

- one person who opens the envelope containing the ballot and unfolds it

- one who reads out loud the ballot

- at least two who write down what the person above said

And all that is supervised by the same people who were manning the polling station (at least 4 them).

So if you have multiple ballots in the same envelope, they will call it. The only way it'd work is if they all worked together. And you'd have to do that for a couple counting stations in many given polling stations... That sounds like an inside job you couldn't keep secret for long.

Because one thing I forgot to mention: counting is done at the polling station, it's not centralized, only results are.