How to play an AbMaj7/9 chord on Accordion

AKA: Abj7/9, AbM7/9, AbM9, AbMa7/9, AbMaj7/9, Abmaj9, Abmajor7/9, AbΔ7/9, AbΔ9

Notes:

A♭, C, E♭, G, B♭

Intervals:

R, 3°, 5°, 7°, 9°

Left hand:

A♭ + A♭M + E♭M
(G# + G#M + D#M)

Fingering:

4 + 3 + 2