How to play a C#m9 chord on Accordion

AKA: C#-7(add9), C#-7/9, C# Dominant minor 9th, C# Dominant minor ninth, C#m7/9, C#m9, C#m7(add9), C#min7(add9), C#min7/9, C#min9, C# minor7/9, C# minor9

Notes:

C#, E, G#, B, D#

Intervals:

R, m3°, 5°, m7°, 9°

Left hand:

C# + C#m + G#m
(D♭ + D♭m + A♭m)

Fingering:

4 + 3 + 2