How to play a Db9 chord on Accordion

AKA: Db7(add9), Db7/9, Db9, Db Dominant 9, Db Dominant ninth, Db Ninth

Notes:

D♭, F, A♭, C♭, E♭
(D♭, F, A♭, B, E♭)

Intervals:

R, 3°, 5°, m7°, 9°

Left hand:

D♭ + D♭M + A♭m
(C# + C#M + G#m)

Fingering:

4 + 3 + 2