After a couple of false starts with the quantizing thing, here’s where I landed:
A SUB IN 22
A DIV QT A 134 134
B DIV A 12; A MOD A 12
CV 1 ADD V B N PN 0 A
And then pattern 0 0-11 represent the note numbers within each octave to map to.
Ideally the first line shouldn’t have been necessary and the second should be “N 1” rather than “134”, but this is what worked for me across a full 5-octaves of my MIDI controller going through my CV.OCD.
I hope it’s the same next time I power everything on 