anderson crank

A quick learner from Lawrence KS says:

I have three tall anderson crank windows. (see photos).

They have:

7073B L 90
7073B L 90
7073B R 90

The L and R seem to correlate with the left and right. I know that sounds obvious but...

What should I buy from you guys?

User submitted image of their window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting, Mark. I'm afraid t his operator is no longer made, and we won't be able to provide an exact match. That said, consider our 39-365 and 39-366, along with a 39-114L handle. Could you adapt these to work in your window?
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