You might be able to do this by adapting the technique here: Queue Magic - #2 by lgaetz
It would mean creating 1 ring group and 2 custom extensions and I’m not sure what will happen when the same extension is part of 2 different groups that are called simultaneously. Thinking you will need queue autofill disabled and skip busy enabled at a minimum. Be warned the CDRs and queue logs will likely be a dog’s breakfast as a consequence of this config.