How to play a C#9/11 chord on Accordion

AKA: C sharp 9/11, C#7/9/11, C#9(11), C#9/11, C# Dominant 11th, C# Dominant 7th/9th/11th, C# Dominant eleventh, C# Dominant ninth eleventh, C# Dominant seventh ninth eleventh

Notes:

C#, E#, G#, B, D#, F#
(C#, F, G#, B, D#, F#)

Intervals:

R, 3°, 5°, m7°, 9°, 11°

Left hand:

C# + BM
(D♭ + C♭M)

or

C# + C#M + BM
(D♭ + D♭M + C♭M)

Fingering:

2 + 4

or

3 + 2 + 4