3 aircraft and 3 cabin layouts, from the 72-600 to the A320neo. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 3 Citilink aircraft here: the Airbus A320, the Airbus A320neo and the ATR 72-600.
The Airbus A320, with 180 seats: 180 Economy in its main layout.
The Airbus A320, with 28" to 34" of seat pitch in Economy and seats 18" wide.