Advice for this Room Layout

Can anyone tell me whether this is the best scenerio for this room layout. Based on my research of various websites, I think that this layout works best.

The TV location is above a fireplace which is on a 45 degree angle in the corner of the room. We plan on putting the LF, RF and Center speaker either on the wall or on the mantle. The LR will be located above the sofa aiming down, and the RR speaker will also be located high on the wall aiming towards the sofa. With the subwoofer located near the media rack to the right of the fireplace

The furniture location is not set in stone, and I am open to suggestions. We have a Large sofa, a leather recliner, and a club chair (not shown).

Thanks in advance for any comments or reccomendations.

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