"No two side by side that we could move to" and yet... you intentionally did NOT book two seats side by side to start with... which you presumably could have easily done...

What is more important....sitting next to each other, or getting a third seat for free?

If its ACTUALLY sitting together that is the priority (nevermind that's not what you selected) then you should do what has already been suggested...leave it as it is and simply give "middle seat" either the aisle or window....

Pardon me for pointing out there is a certain irony in you accusing SQ of playing games with seating allocations...just saying...