Ah! Sorry. I misunderstood. I can attest that A1 works very well on a 27" scale, so a slightly lighter string at C2 on that same length would probably sound amazing. :-)
FWIW, if you want the GDAE strings on 22", you can easily add frets to that scale for the extension by dividing by .9438. One fret would be 22/.9438=23.31". Two frets=24.69". Three frets= 26.16".
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