Which Raffles Seat on 747 is the best?

[TON_UK]

I will travelling on Raffles Class from LHR to SIN which seat on 747 is the best. I sat on 17K upper desk once. I don't like the window. Made me feel sick when I looked out. Which seat would you recommended, if anyone who already travelling on 747 a lot. Please tell me...Thanks.

[UMD]

If you don't like windows, then 20H is the best if those row 20 seats are not used as crew rests.

I like 20H because of its privacy as it is next to the stair wall.

[sporadic]

17C or 17H then, if you don't want the window Still has the legroom.