[Mikev]

Seated ​

A copyist offers to rearrange the illuminating room.
Lady Clarissa wants to sit behind Brother Etienne, but Brother Etienne is adamant: he must sit behind Lady Clarissa!

How can this problem be solved?

I will post the answer below later.

 

[Wandiwa]

Spoiler

I'm thinking if they sit back to back they are both sitting behind the other?