3 classes - 283 seats.

First class - 1 row (2), 2-2-2 configuration - A,C - D,G - H,K. 1 lav in front in the middle (door is in the front not turning to the passengers).

Platinum class - 3 rows in the front cabin (10-12) and 3 in the 2nd cabin (14-16). 2-3-2 seating - A,C - D,F,G - H,K. Row 14 is missing the A,C seats. 3 Lavs - 2 between row 12 and the exit doors on both sides and one in front of row 15 on the left.
Seems like there is no wall between row 14 H,K and the right exit door.

Coach - 2 cabins - rows 21-34 and 45 - 58. 3-3-3 seating - A,B,C - D,F,G - H,J,K. Row 21 is bulkhead. row 45 is an exit row with no D,F,G seats. Rows 34 (AB), 57 (JK) and 58 (AB) have 2 seaters.
6 lavs - 3 behind row 34 and 3 in the back.