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@kont1 I can't tell really you where your +14 moves came from, but your +3 moves are part of the Win Streak.
Have you not played in awhile? Someone said on here that when they hadn't signed into their game for a couple of weeks the next time they signed in they were given 14 extra moves.
Why do I have 17 extra moves on each level?
There's absolutely nothing wrong with utilising that little advantage, especially since the game missed (& gave it to) you (after having not logged in for a bit).
Rest assured, you'll see very few comments (if any at all) of anyone having this problem ~10000 levels beyond the one you were on (& even before that); but quite the opposite.