How to play a DbMaj7/9 chord on Accordion

AKA: Dbj7/9, DbM7/9, DbM9, DbMa7/9, DbMaj7/9, Dbmaj9, Db major7/9, DbΔ7/9, DbΔ9

Notes:

D♭, F, A♭, C, E♭

Intervals:

R, 3°, 5°, 7°, 9°

Left hand:

D♭ + D♭M + A♭M
(C# + C#M + G#M)

Fingering:

4 + 3 + 2