13.58Your first rich progression

Play slowly:

Cmaj9 | A13 | Dm9 | G13 | Cmaj9

Function:

I → V7/ii → ii → V → I

Try these voicings:

Cmaj9: LH C RH E-B-D

A13: LH A RH G-C♯-F♯

Dm9: LH D RH F-C-E

G13: LH G RH F-B-E

Cmaj9: LH C RH E-B-D

Don't worry if one transition isn't maximally smooth yet. Improve it by ear.