Hi, grateful if somebody could help me identify this aircraft, at the time of booking it said it was a B787 but I'm doubtful as I can't find this seating plan (image attached) on any of the usual sites. It's QR0971 SGN to DOH on 17 August, economy cabin. Also, anyone know what is going on in rows 15-17 with the gap/missing seats, and similar for rows 21-25 in the middle seats? Currently have 15a and 15c selected for wife and I. Is this a good pick with the extra legroom and missing 15b?

In other news, BA2032 DoH-LGW on 19 August appears to have club suites as business class is 4 per row. A bonus I wasn't expecting but somehow think it will get swapped.