Your interpretation of 'safely moved across the lanes' is obviously not what was witnessed by the officer. You didn't see what your actions may have caused to other drivers - lane 1 to lane 3 is a big move, across two lanes? Perhaps you should have waited for a safe gap in the traffic first before moving lanes, instead of assuming right of way over other vehicles simply because you had your indicator on. You could appeal, but as I said your interpretation is not what the officer witnessed, you are viewing the incident only from your persepective, the officer observes and is objective.
Everhelpful? That type of flippant comment really isn't helpful and does challenge your ABer name.