Are there now A340-600's with no F section flying? Or scheduled to be soon?

Have CDG-DOH-KUL booked for early next year, and on bothe legs between DOH and KUL the aircraft is showing as an A340-600, with four rows of J seats from 1-4 like so:



That seems to be the seatmap from an A330-200, except the rows go all the way back to 55 - so am a bit confused now!